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Diffstat (limited to 'Bachelor/CCNA4/en_CCNA4_v30/ch4')
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<title>Content</title>
+<base target="_self">
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+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
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+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
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+ width="2" height="1"></font></td>
+ <td width="100%" bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">Overview</font></b></td>
+ </tr>
+</table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="20"></td>
+ <td>
+
+ <table border="0" cellpadding="0" cellspacing="0" bordercolor="#111111" width="95%">
+ <tr>
+ <td width="100%">
+ <font face="Arial" size="2">Integrated Services Digital Network
+ (ISDN) is a network that provides end-to-end digital connectivity
+ to support a wide range of services including voice and data
+ services.</font><p><font face="Arial" size="2">ISDN allows
+ multiple digital channels to operate simultaneously through the
+ same regular phone wiring used for analog lines, but ISDN
+ transmits a digital signal rather than analog. Latency is much
+ lower on an ISDN line than on an analog line.</font></p>
+ <p><font face="Arial" size="2">Dial-on-demand routing (DDR) is a
+ technique developed by Cisco that allows the use of existing
+ telephone lines to form a wide-area network (WAN), instead of
+ using separate, dedicated lines. Public switched telephone
+ networks (PSTNs) are involved in this process.</font></p>
+ <p><font face="Arial" size="2">DDR is used when a constant
+ connection is not needed, thus reducing costs. DDR defines the
+ process of a router connecting using a dialup network when there is
+ traffic to send, and then disconnecting when the transfer is
+ complete.</font></p>
+ <p><font face="Arial" size="2">Students completing this module should be able to:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">Define the ISDN standards used
+ for addressing, concepts, and signaling</font></li>
+ <li><font face="Arial" size="2">Describe how ISDN uses the
+ physical and data link layers</font></li>
+ <li><font face="Arial" size="2">List the interfaces and
+ reference points for ISDN</font></li>
+ <li><font face="Arial" size="2">Configure the router ISDN
+ interface</font></li>
+ <li><font face="Arial" size="2">Determine what traffic is
+ allowed when configuring DDR</font></li>
+ <li><font face="Arial" size="2">Configure static routes for DDR</font></li>
+ <li><font face="Arial" size="2">Choose the correct encapsulation
+ type for DDR</font></li>
+ <li><font face="Arial" size="2">Be able to determine and apply
+ an access list affecting DDR traffic</font></li>
+ <li><font face="Arial" size="2">Configure dialer interfaces</font></li>
+ </ul>
+ <p><font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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+
+<head>
+
+<title>Cisco Global Learning Network</title>
+
+
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+
+<head>
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+ WIDTH="100%" HEIGHT="100%">
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+
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+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
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+
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+
+<!--
+
+if (document.images) {
+ image1on = new Image();
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+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Concepts</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.1.1</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Introducing ISDN</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2" COLOR="#000000">
+ There are several WAN technologies used to provide network access from
+ remote locations. One of these technologies is ISDN. </font>
+ <font face="Arial" size="2">ISDN can be used as a solution to the low
+ bandwidth problems that small offices or dial-in users have with
+ traditional telephone dial-in services.</font><p>
+
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <font face="Arial" size="2">
+ The traditional PSTN was based on an analog connection between the
+ customer premises and the local
+ exchange, also called the local loop. </font>
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"><font face="Arial" size="2">
+ The analog circuits introduce limitations on the bandwidth that can be
+ obtained on the local loop. Circuit restrictions do not permit analog
+ bandwidths greater than approximately 3000 Hz. ISDN technology
+ permits the use of digital data on the local loop, providing better
+ access speeds for the remote users.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></font></p>
+ <p>
+
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <font face="Arial" size="2">
+ Telephone companies developed ISDN with the intention of creating a
+ totally digital network. ISDN allows digital signals to be transmitted
+ over existing telephone wiring. This became possible when the
+ telephone company switches were upgraded to handle digital signals.
+ ISDN is generally used for telecommuting and networking small and
+ remote offices into the corporate LAN.</font></font></p>
+ <p>
+ <font face="Arial" size="2" COLOR="#000000">
+ Telephone companies developed ISDN as part of an effort to standardize
+ subscriber services. This included the User-Network Interface (UNI),
+ better known as the local loop.
+ <font face="Arial" size="2">
+ The ISDN standards define the hardware and call setup schemes for
+ end-to-end digital connectivity. These standards help achieve the goal
+ of worldwide connectivity by ensuring that ISDN networks easily
+ communicate with one another. In an ISDN network, the digitizing
+ function is done at the user site rather than the telephone company.</font></font></p>
+ <p>
+ <font face="Arial" size="2" COLOR="#000000">
+ ISDN brings digital connectivity to local sites. The following list
+ provides some of the benefits of ISDN:
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></p>
+ <ul>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000">
+ Carries a variety of user traffic signals, including data, voice,
+ and video </font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000">
+ Offers much faster call setup than modem connections </font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000">
+ B channels provide a faster data transfer rate
+ than modems </font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000">
+ B channels are suitable for negotiated Point-to-Point Protocol (PPP)
+ links </font></li>
+ </ul>
+ <p>
+
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <font face="Arial" size="2">
+ ISDN is a versatile service able to carry voice, video, and data
+ traffic. It is possible to use multiple channels to carry different
+ types of traffic over a single connection.</font></font></p>
+ <p>
+
+ <font face="Arial" size="2" COLOR="#000000">
+ ISDN uses out-of-band signaling, the delta (D channel), for call setup
+ and signaling. To make a normal telephone call, the user dials the
+ number one digit at a time. Once all the numbers are received, the
+ call can be placed to the remote user. ISDN delivers the numbers to
+ the switch at D-channel rates, thus reducing the time it takes to set
+ up the call.</font></p>
+ <p>
+
+ <font face="Arial" size="2" COLOR="#000000">
+ ISDN also provides more bandwidth than a traditional 56 kbps dialup
+ connection. ISDN uses bearer channels, also called B channels, as
+ clear data paths. Each B channel provides 64 kbps of bandwidth. With
+ multiple B channels, ISDN offers more bandwidth for WAN connections
+ than some leased services. An ISDN connection with two B channels
+ would provide a total usable bandwidth of 128 kbps.</font></p>
+ <p>
+ <font face="Arial" size="2" COLOR="#000000">
+ Each ISDN B channel can make a separate serial connection to any other
+ site in the ISDN network. Since PPP operates over both synchronous and
+ asynchronous serial links, ISDN lines can be used in conjunction with
+ PPP encapsulation.</font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Integrated Services Digital Network (ISDN)<p>
+ <a target="_blank" href="http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/isdn.htm">
+ http://www.cisco.com/univercd/cc/
+ td/doc/cisintwk/ ito_doc/ isdn.htm</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+
+ <font face="Arial" size="2"> </font>
+
+ </td>
+ </tr>
+ <tr>
+ <td width="15"> </td>
+ <td>
+
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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+
+<head>
+
+
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+<title>Flash Graphic</title>
+</head>
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+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
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+
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+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
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+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
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+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4</font></b><font face="Arial" size="2" color="#FFFFFF"><b>.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Concepts</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.1.2</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN standards and access
+ methods</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2">Work on standards for ISDN began in the
+ late 1960s. A comprehensive set of ISDN recommendations was published
+ in 1984 and is continuously updated by the International
+ Telecommunication Union Telecommunication Standardization Sector (ITU-T),
+ formerly known as the Consultative Committee for International
+ Telegraph and Telephone (CCITT). The ISDN standards are a set of
+ protocols that encompass digital telephony and data communications.
+ The ITU-T groups and organizes the ISDN protocols according to the
+ following general topic areas:
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font><ul>
+ <li><font face="Arial" size="2"><b>E Protocols</b> – Recommend
+ telephone network standards for ISDN. For example, the E.164
+ protocol describes international addressing for ISDN.</font></li>
+ <li><font face="Arial" size="2"><b>I Protocols</b> – Deal with
+ concepts, terminology, and general methods. The I.100 series
+ includes general ISDN concepts and the structure of other I-series
+ recommendations. I.200 deals with service aspects of ISDN. I.300
+ describes network aspects. I.400 describes how the UNI is provided.</font></li>
+ <li><font face="Arial" size="2"><b>Q Protocols</b> – Cover how
+ switching and signaling should operate. The term signaling in this
+ context means the process of establishing an ISDN call.</font></li>
+ </ul>
+ <p><font face="Arial" size="2">ISDN standards define two main channel
+ types, each with a different transmission rate. The bearer channel, or
+ B channel, is defined as a clear digital path of 64 kbps. It is said to
+ be clear because it can be used to transmit any type of digitized data
+ in full-duplex mode. For example, a digitized voice call can be
+ transmitted on a single B channel. The second channel type is called a
+ delta channel, or D channel. There can either be 16 kbps for the Basic
+ Rate Interface (BRI) or 64 kbps for the Primary Rate Interface (PRI).
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"> The D
+ channel is used to carry control information for the B channel. </font>
+ </p>
+ <p><font face="Arial" size="2">When a TCP connection is established,
+ there is an exchange of information called the connection setup. This
+ information is exchanged over the path on which the data will
+ eventually be transmitted. Both the control information and the data
+ share the same pathway. This is called in-band signaling. ISDN
+ however, uses a separate channel for control information, the D
+ channel. This is called out-of-band signaling.</font></p>
+ <p><font face="Arial" size="2">ISDN specifies two standard access
+ methods, BRI and PRI.
+ A single BRI or PRI interface provides a multiplexed bundle of B and D
+ channels.</font></p>
+ <p><font face="Arial" size="2">BRI uses two 64 kbps B channels plus
+ one 16kbps D channel. BRI operates with many
+ Cisco routers. Because it uses two B channels and one D channel, BRI
+ is sometimes referred to as 2B+D.</font></p>
+ <p><font face="Arial" size="2">The B channels can be used for
+ digitized speech transmission. In this case, specialized methods are
+ used for the voice encoding. Also, the B channels can be used for
+ relatively high-speed data transport. In this mode, the information is
+ carried in frame format, using either high-level data link control (HDLC) or PPP as the Layer 2
+ protocol. PPP is more robust than HDLC because it provides a mechanism
+ for authentication and negotiation of compatible link and protocol
+ configuration.</font></p>
+ <p><font face="Arial" size="2">ISDN is considered a circuit-switched
+ connection. The B channel is the elemental circuit-switching unit.</font></p>
+ <p><font face="Arial" size="2">The D channel carries signaling
+ messages, such as call setup and teardown, to control calls on B
+ channels. Traffic over the D channel employs the Link Access Procedure
+ on the D Channel (LAPD) protocol. LAPD is a data link layer protocol based on HDLC.</font></p>
+ <p><font face="Arial" size="2">In North America and Japan, PRI offers
+ twenty-three 64 kbps B channels and one 64 kbps D channel. A PRI offers the same service as a T1 or DS1
+ connection. In Europe and much of the rest of the world, PRI offers 30
+ B channels and one D channel in order to offer the same level of
+ service as an E1 circuit. PRI uses a Data Service Unit/Channel Service
+ Unit (DSU/CSU) for T1/E1 connections.</font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Integrated Services Digital Network (ISDN)<p>
+ <a target="_blank" href="http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/isdn.htm">
+ http://www.cisco.com/univercd/cc/
+ td/doc/ cisintwk/ito_doc/ isdn.htm</a>s</font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
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+ </TR>
+ </TABLE><p>
+
+
+ <font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
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+
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+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
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+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4</font></b><font face="Arial" size="2" color="#FFFFFF"><b>.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Concepts</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.1.3</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%">
+ <strong><font face="Arial" size="2" color="#FFFFFF">ISDN 3-layer model and
+ protocols</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2" COLOR="#000000"> ISDN utilizes a suite of
+ ITU-T standards spanning the physical, data link, and network layers
+ of the OSI reference model:
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font><ul>
+ <li>
+
+ <font face="Arial" size="2" COLOR="#000000"> The ISDN BRI and PRI physical layer
+ specifications are defined in ITU-T I.430 and I.431, respectively. </font>
+ </li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> The ISDN data link
+ specification is based on LAPD and is formally specified in the
+ following:
+ <ul>
+ <li>ITU-T Q.920</li>
+ <li>ITU-T Q.921</li>
+ <li>ITU-T Q.922</li>
+ <li>ITU-T Q.923</li></font>
+ </li>
+ </ul></ul>
+
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <font face="Arial" size="2"> The ISDN network layer is defined in ITU-T
+ Q.930, also known as I.450 and ITU-T Q.931, also known as I.451. These
+ standards specify user-to-user, circuit-switched, and packet-switched
+ connections.</font></font></p>
+ <p>
+
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <font face="Arial" size="2"> BRI service is provided over a local
+ copper loop that traditionally carries analog phone service. While
+ there is only one physical path for a BRI, there are three separate
+ information paths, 2B+D. Information from the three channels is
+ multiplexed into the one physical path. </font>
+ </font>
+ </p>
+ <p>
+
+ <font face="Arial" size="2" COLOR="#000000"> ISDN physical layer, or Layer 1, frame
+ formats differ depending on whether the frame is outbound or inbound.
+ If the frame is outbound, it is sent from the terminal to the network.
+ Outbound frames use the TE frame format. If the frame is inbound, it
+ is sent from the network to the terminal. Inbound frames use the NT
+ frame format.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p>
+
+ <font face="Arial" size="2">Each frame contains two sample frames each
+ containing the following:</font></p>
+ <ul>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> 8 bits from the B1
+ channel </font>
+ </li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> 8 bits from the B2
+ channel</font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> 4 bits from the D channel </font>
+ </li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> 6 bits of overhead </font>
+ </li>
+ </ul>
+ <p>
+
+ <font face="Arial" size="2">ISDN BRI frames contain 48 bits. Four
+ thousand of
+ these frames are transmitted every second. Each B channel, B1and B2,
+ have a capacity of 8*4000 = 64 kbps, while channel D has a capacity of
+ 4*4000 = 16 kbps. This accounts for 144 kbps of the total ISDN BRI
+ physical interface bit rate of 192 kbps. The remainder of the data rate
+ are the overhead bits that are required for transmission.</font></p>
+ <p>
+
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <font face="Arial" size="2"> The overhead bits of an ISDN physical
+ layer frame are used as follows: </font>
+ </font>
+ </p>
+ <ul>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> <b>Framing bit </b>–
+ Provides synchronization</font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> <b>Load balancing bit </b>
+ – Adjusts the average bit value</font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> <b>Echo of previous D
+ channel bits</b> – Used for contention resolution when several
+ terminals on a passive bus contend for a channel</font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> <b>Activation bit</b> –
+ Activates devices</font></li>
+ <li>
+ <font face="Arial" size="2" COLOR="#000000"> <b>Spare bit</b> –
+ Unassigned</font></li>
+ </ul>
+ <p>
+
+ <font face="Arial" size="2">Note that the physical bit rate for the
+ BRI interface is 48*4000 = 192 kbps. The effective rate is 144 kbps = 64 kbps + 64 kbps + 16 kbps (2B+D).</font></p>
+ <p>
+
+ <font face="Arial" size="2">Layer 2 of the ISDN signaling channel is
+ LAPD.</font><font face="Arial" size="2" COLOR="#000000"> LAPD is similar to HDLC. LAPD is used across the D channel to
+ ensure that control and signaling information is received and flows
+ properly.</font></p>
+ <p>
+
+ <font face="Arial" size="2" COLOR="#000000"> The LAPD flag and control fields are
+ identical to those of HDLC.
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"><font face="Arial" size="2"> The LAPD address field is 2 bytes long.
+ The first address field byte contains the service access point
+ identifier (SAPI), which identifies the portal at which LAPD services
+ are provided to Layer 3. The command/response bit (C/R), indicates
+ whether the frame contains a command or a response. The second byte
+ contains the terminal endpoint identifier (TEI). Each piece of
+ terminal equipment on the customer premises needs a unique
+ identifier. The TEI may be statically assigned at installation, or the
+ switch may dynamically assign it when the equipment is started up. If the TEI is statically assigned during installation, the TEI
+ is a number ranging from 0 to 63. Dynamically assigned TEIs range from
+ 64 to 126. A TEI of 127, or all 1s, indicates a broadcast.</font></font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Integrated Services Digital Netowrk (ISDN)<p>
+ <a target="_blank" href="http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/isdn.htm">
+ http://www.cisco.com/univercd/cc/
+ td/doc/ cisintwk/ito_doc/ isdn.htm</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+
+ <font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<title>Content</title>
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+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Concepts</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.1.4</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN functions</font></b></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <p><font face="Arial" size="2">Several exchanges must occur for one
+ router to connect to another using ISDN. To establish an ISDN call,
+ the D channel is used between the router and the ISDN switch. Signal
+ System 7 (SS7) signaling is used between the switches within the
+ service provider network. </font></p>
+
+ <p><font face="Arial" size="2">The D channel between the router and
+ the ISDN switch is always up. Q.921 describes the ISDN data-link
+ processes of LAPD, which functions like Layer 2 processes in the OSI
+ reference model. The D channel is used for call control functions such
+ as call setup, signaling, and termination. These functions are
+ implemented in the Q.931 protocol. Q.931 specifies OSI reference model
+ Layer 3 functions. The Q.931 standard recommends a network layer
+ connection between the terminal endpoint and the local ISDN switch,
+ but it does not impose an end-to-end recommendation. Because some ISDN
+ switches were developed before Q.931 was standardized, the various
+ ISDN providers and switch types can and do use various implementations
+ of Q.931. Because switch types are not standard, routers must have
+ commands in their configuration specifying the ISDN switch to which they
+ are connecting.</font></p>
+
+ <p><font face="Arial" size="2">The following sequence of events occurs
+ during the establishment of a BRI or PRI call:
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></p>
+ <ol>
+ <li>The D channel is used to send the
+ called number to the local ISDN switch.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></li>
+ <li>The local switch uses the SS7 signaling protocol to set up a path
+ and pass the called number to the remote ISDN switch.
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></li>
+ <li>The remote ISDN switch signals the destination over the D
+ channel. <img border="0" src="../../images/4.gif" align="absmiddle" width="12" height="12"></li>
+ <li>The destination ISDN NT-1 device sends the remote ISDN switch a
+ call-connect message. </li>
+ <li>The remote ISDN switch uses SS7 to send a call-connect message
+ to the local switch.
+ <img border="0" src="../../images/5.gif" align="absmiddle" width="12" height="12"></li>
+ <li>The local ISDN switch connects one B channel end-to-end, leaving
+ the other B channel available for a new conversation or data
+ transfer. Both B channels can be used simultaneously.
+ <img border="0" src="../../images/6.gif" align="absmiddle" width="12" height="12"></font></li>
+ </ol>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <a href="javascript:void(0)" onClick="window.open('../../activities/ch04/activity_4_1_4.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">
+ <img border="0" src="../../images/media_icon.gif" width="25" height="25"></a> <b>
+ <a onClick="window.open('../../activities/ch04/activity_4_1_4.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');" href="javascript:void(0)">Interactive Media Activity</a></b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>Drag and Drop: ISDN Functions</p>
+ <p>When the student has completed this activity, the student
+ will be able to correctly identify the ISDN establishment cycle.</p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><IMG alt="" height="2" width="1" src="../../images/s.gif"></p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+
+
+
+
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Integrated Services Digital Network (ISDN)<p>
+ <a target="_blank" href="http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/isdn.htm">
+ http://www.cisco.com/univercd/cc/
+ td/doc/cisintwk/ito_doc/isdn.htm</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_4/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_4/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_4/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+</head>
+
+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
+ <frameset rows="100%,48">
+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
+ <frame name="bottom" scrolling="no" marginwidth="0" marginheight="0" src="../../navigation.html" target="contents">
+ </frameset>
+ <frameset rows="100%,48">
+ <frame name="content" scrolling="yes" marginwidth="0" marginheight="0" target="_self" src="content.html">
+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
+ </frameset>
+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
+ </body>
+ </noframes>
+</frameset>
+
+</html>
diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_4/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_4/media.html new file mode 100644 index 0000000..79bd686 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_4/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_1_4.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
+ <EMBED src="../../flash/ch04/4_1_4.swf" quality=high bgcolor=#FFFFFF WIDTH="100%" HEIGHT="100%" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED></OBJECT>
+
+
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/buttons.html new file mode 100644 index 0000000..a263bd7 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/buttons.html @@ -0,0 +1,110 @@ +<html>
+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
+
+
+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
+
+<script language="JavaScript">
+
+<!--
+
+if (document.images) {
+ image1on = new Image();
+ image1on.src = "../../images/index_ov.gif";
+
+ image2on = new Image();
+ image2on.src = "../../images/glossary_ov.gif";
+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
+
+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
+
+ image5on = new Image();
+ image5on.src = "../../images/quiz_ov.gif";
+
+ image1off = new Image();
+ image1off.src = "../../images/index_up.gif";
+
+ image2off = new Image();
+ image2off.src = "../../images/glossary_up.gif";
+
+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
+
+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
+
+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
+
+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
+
+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
+
+ image3hint = new Image();
+ image3hint.src = "../../images/menu_back.gif";
+
+ image4hint = new Image();
+ image4hint.src = "../../images/menu_next.gif";
+
+ image5hint = new Image();
+ image5hint.src = "../../images/menu_quiz.gif";
+
+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
+}
+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
+ }
+}
+
+// -->
+</script>
+
+
+<base target="_self">
+
+
+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
+ <img name="image2" border="0" src="../../images/glossary_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" valign="middle" align="left" height="48">
+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_1_4/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
+ <td bgcolor="#336666" valign="middle" height="48">
+ <a target="main" onMouseOver="changeImages('image4', 'image4on'); changeImages('hint', 'image4hint');" onMouseOut="changeImages('image4', 'image4off'); changeImages('hint', 'imageHint');" href="../4_1_6/index.html">
+ <img name="image4" border="0" src="../../images/next_up.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/content.html new file mode 100644 index 0000000..9faf493 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/content.html @@ -0,0 +1,174 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4</font></b><font face="Arial" size="2" color="#FFFFFF"><b>.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Concepts</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.1.5</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN reference points</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2">ISDN standards define functional groups as
+ devices or pieces of hardware that enable the user to access the
+ services of the BRI or PRI. Vendors can create hardware that supports
+ one or more functions. ISDN specifications define four reference
+ points that connect one ISDN device to another.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"> Each device
+ in an ISDN network performs a specific task to facilitate end-to-end
+ connectivity.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font><p>
+
+ <font face="Arial" size="2">To connect devices that perform specific
+ functions, the interface between the two devices needs to be well
+ defined. These interfaces are called reference points.
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"> The
+ reference points that affect the customer side of the ISDN connection
+ are as follows:</font></p>
+ <ul>
+ <li>
+
+ <font face="Arial" size="2"><b>R</b> – References the connection
+ between a non-ISDN compatible device Terminal Equipment type 2 (TE2) and a
+ Terminal Adapter (TA),
+ for example an RS-232 serial interface.</font></li>
+ <li>
+
+ <font face="Arial" size="2"><b>S</b> – References the points
+ that connect into the customer switching device Network Termination
+ type 2 (NT2) and enables
+ calls between the various types of customer premises equipment.</font></li>
+ <li>
+
+ <font face="Arial" size="2"><b>T</b> – Electrically identical to the S
+ interface, it references the outbound connection from the NT2 to the
+ ISDN network or Network Termination type 1 (NT1).</font></li>
+ <li>
+
+ <font face="Arial" size="2"><b>U</b> – References the connection
+ between the NT1 and the ISDN network owned by the telephone company.</font></li>
+ </ul>
+ <p>
+
+ <font face="Arial" size="2">Because the S and T references are
+ electrically similar, some interfaces are labeled S/T interfaces.
+ Although they perform different functions, the port is electrically
+ the same and can be used for either function.</font></p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <a href="javascript:void(0)" onClick="window.open('../../activities/ch04/activity_4_1_5.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">
+ <img border="0" src="../../images/media_icon.gif" width="25" height="25"></a> <b>
+ <a onClick="window.open('../../activities/ch04/activity_4_1_5.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');" href="javascript:void(0)">Interactive Media Activity</a></b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>Drag and Drop: ISDN Reference Points</p>
+ <p>When the student has completed this activity, the student
+ will be able to correctly identify the ISDN reference points.</p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><IMG alt="" height="2" width="1" src="../../images/s.gif"></p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Integrated Servicews Digital Network (ISDN)<p>
+ <a target="_blank" href="http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/isdn.htm">
+ http://www.cisco.com/univercd/cc/
+ td/doc/cisintwk/ito_doc/isdn.htm</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+</head>
+
+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
+ <frameset rows="100%,48">
+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
+ <frame name="bottom" scrolling="no" marginwidth="0" marginheight="0" src="../../navigation.html" target="contents">
+ </frameset>
+ <frameset rows="100%,48">
+ <frame name="content" scrolling="yes" marginwidth="0" marginheight="0" target="_self" src="content.html">
+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
+ </frameset>
+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
+ </body>
+ </noframes>
+</frameset>
+
+</html>
diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/media.html new file mode 100644 index 0000000..b42dbbc --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_5/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_1_5.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
+ <EMBED src="../../flash/ch04/4_1_5.swf" quality=high bgcolor=#FFFFFF WIDTH="100%" HEIGHT="100%" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED></OBJECT>
+
+
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/buttons.html new file mode 100644 index 0000000..e6ff410 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/buttons.html @@ -0,0 +1,109 @@ +<html>
+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
+
+
+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
+
+<script language="JavaScript">
+
+<!--
+
+if (document.images) {
+ image1on = new Image();
+ image1on.src = "../../images/index_ov.gif";
+
+ image2on = new Image();
+ image2on.src = "../../images/glossary_ov.gif";
+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
+
+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
+
+ image5on = new Image();
+ image5on.src = "../../images/quiz_ov.gif";
+
+ image1off = new Image();
+ image1off.src = "../../images/index_up.gif";
+
+ image2off = new Image();
+ image2off.src = "../../images/glossary_up.gif";
+
+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
+
+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
+
+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
+
+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
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+ imageHint.src = "../../images/menu_up.gif";
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+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
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+
+// -->
+</script>
+
+
+<base target="_self">
+
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+
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+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
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+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/content.html new file mode 100644 index 0000000..0950b32 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/content.html @@ -0,0 +1,140 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4</font></b><font face="Arial" size="2" color="#FFFFFF"><b>.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Concepts</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.1.6</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Determining the router ISDN
+ interface</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2">In the United States, the customer is
+ required to provide the NT1. In Europe and various other countries,
+ the telephone company provides the NT1 function and presents an S/T
+ interface to the customer. In these configurations, the customer is
+ not required to supply a separate NT1 device or integrated NT1
+ function in the terminal device. Equipment such as router ISDN modules
+ and interfaces must be ordered accordingly.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font><p>
+
+ <font face="Arial" size="2">To select a Cisco router with the appropriate ISDN interface, do the
+ following:</p>
+ <ol>
+ <li>Determine whether the router supports ISDN BRI. Look on the back of
+ the router for a BRI connector or a BRI WAN Interface Card (WIC).</li>
+ <li>Determine the provider of the NT1. An NT1 terminates the local loop
+ to the central office (CO) of the ISDN service provider. In the United
+ States, the NT1 is Customer Premise Equipment (CPE), meaning that it
+ is the responsibility of the customer. In Europe, the service provider
+ typically supplies the NT1.
+
+ </li>
+ <li>If the NT1 is CPE, make sure the router has a U interface. If the
+ router has an S/T interface, then it will need an external NT1 to
+ connect to the ISDN provider.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></li>
+ </ol>
+ <p>
+
+ <font face="Arial" size="2">If the router has a connector labeled BRI then it is already
+ ISDN-enabled. With a native ISDN interface already built in, the
+ router is a TE1. If the router has a U interface, it also has a
+ built-in NT1.
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p>
+
+ <font face="Arial" size="2">If the router does not have a connector labeled BRI, and it is a
+ fixed-configuration, or non-modular router, then it must use an
+ existing serial interface. With non-native ISDN interfaces such as
+ serial interfaces, an external TA device must be
+ attached to the serial interface to provide BRI connectivity. If the
+ router is modular it may be possible to upgrade to a native ISDN
+ interface, providing it has an available slot.</font></p>
+ <blockquote>
+ <p>
+
+ <font face="Arial" size="2"><b>Caution: </b>A router with a U interface should never be connected to an
+ NT1 as it will damage the interface.</font></p>
+ </blockquote>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Integrated Services Digital Network (ISDN)<p>
+ <a target="_blank" href="http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/isdn.htm">
+ http://www.cisco.com/univercd/cc/
+ td/doc/ cisintwk/ito_doc/ isdn.htm</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+
+ <font face="Arial" size="2"> </font></p>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
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diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/media.html new file mode 100644 index 0000000..0ef962a --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_6/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_1_6.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
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+
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+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html new file mode 100644 index 0000000..5834902 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/buttons.html @@ -0,0 +1,109 @@ +<html>
+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
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+
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+
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+
+if (document.images) {
+ image1on = new Image();
+ image1on.src = "../../images/index_ov.gif";
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+ image2on.src = "../../images/glossary_ov.gif";
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+ image3on.src = "../../images/back_ov.gif";
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+ image5off.src = "../../images/quiz_up.gif";
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+ image1hint.src = "../../images/menu_index.gif";
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+ image2hint.src = "../../images/menu_glossary.gif";
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+ image3hint.src = "../../images/menu_back.gif";
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+ image5hint.src = "../../images/menu_quiz.gif";
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+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
+}
+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
+ }
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+
+// -->
+</script>
+
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+<base target="_self">
+
+
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+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
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+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
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+ <img name="image4" border="0" src="../../images/next_up.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/content.html new file mode 100644 index 0000000..3eecb57 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/content.html @@ -0,0 +1,133 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4</font></b><font face="Arial" size="2" color="#FFFFFF"><b>.1</b></font></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Concepts</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.1.7</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN switch types</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2">Routers must be configured to identify the
+ type of switch with which they will communicate. Available ISDN switch
+ types vary, depending in part on the country in which the switch is
+ being used. As a consequence of various implementations of Q.931, the D
+ channel signaling protocol used on ISDN switches varies from vendor to
+ vendor.</font><p>
+
+ <font face="Arial" size="2">Services offered by ISDN carriers vary
+ considerably from country to country or region to region.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"> Like modems,
+ each switch type operates slightly differently, and has a specific set
+ of call setup requirements. Before the router can be connected to an
+ ISDN service, it must be configured for the switch type used at the CO.
+ This information must be specified during router configuration so the
+ router can communicate with the switch, place ISDN network level calls,
+ and send data.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p>
+
+ <font face="Arial" size="2">In addition to knowing the switch type the
+ service provider is using, it may also be necessary to know what service
+ profile identifiers (SPIDs) are assigned by the telco. A SPID is a
+ number provided by the ISDN carrier to identify the line configuration
+ of the BRI service. SPIDs allow multiple ISDN devices, such as voice and
+ data equipment, to share the local loop. SPIDs are required by DMS-100
+ and National ISDN-1 switches.</font></p>
+ <p>
+
+ <font face="Arial" size="2">SPIDs are used only in North America and
+ Japan. The ISDN carrier provides a SPID to identify the line
+ configuration of the ISDN service. In many cases when configuring a
+ router, the SPIDs will need to be entered.</font></p>
+ <p>
+
+ <font face="Arial" size="2">Each SPID points to line setup and
+ configuration information. SPIDs are a series of characters that usually
+ resemble telephone numbers. SPIDs identify each B channel to the switch
+ at the central office. Once identified, the switch links the available
+ services to the connection. Remember, ISDN is typically used for dialup
+ connectivity. The SPIDs are processed when the router initially connects
+ to the ISDN switch. If SPIDs are necessary, but are not configured
+ correctly, the initialization will fail, and the ISDN services cannot be
+ used.</font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>ISDN Switch Types, Codes, and Values<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_command_reference_chapter09186a00800eea24.html">
+ http://www.cisco.com/en/US/products/sw/
+ iosswrel/ps1831/ products_command_reference_ chapter09186a00800eea24.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
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diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/media.html new file mode 100644 index 0000000..22e41c0 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_1_7/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_1_7.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
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+
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+</body>
+
+</html>
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+
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+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
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+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
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+ image3on.src = "../../images/back_ov.gif";
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+}
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+
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+
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+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
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+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_1_7/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
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+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/content.html new file mode 100644 index 0000000..bdd57b1 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/content.html @@ -0,0 +1,260 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4.2</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Configuration</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.2.1</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Configuring ISDN BRI</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font FACE="Arial" SIZE="2">The command
+ </font>
+
+ <font FACE="Courier New" SIZE="2"><b>isdn switch-type</b> <i>
+ switch-type</i></font><font FACE="Arial" SIZE="2"> can be configured
+ at the global or interface command mode to specify the provider ISDN
+ switch. <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font><p>
+
+ <font FACE="Arial" SIZE="2">Configuring the </font><font FACE="Courier New" SIZE="2"><b>isdn
+ switch-type</b></font><font FACE="Arial" SIZE="2"> command in the
+ global configuration mode sets the ISDN switch type identically for
+ all ISDN interfaces. Individual interfaces may be configured, after
+ the global configuration command, to reflect an alternate switch type. </font></p>
+ <p>
+
+ <font FACE="Arial" SIZE="2">When the ISDN service is installed, the
+ service provider will issue information about the switch type and SPIDs. SPIDs are used to define the services available to individual ISDN
+ subscribers. Depending on the switch type, these SPIDs may have to be
+ added to the configuration. National ISDN-1 and DMS-100 ISDN switches
+ require SPIDs to be configured, but the AT&T 5ESS switch does not.
+ SPIDs must be specified when using the Adtran ISDN simulator.</font></p>
+ <p>
+
+ <font FACE="Arial" SIZE="2">The format of the SPIDs can vary depending
+ on the ISDN switch type and specific provider requirements. Use the
+ </font>
+
+ <font FACE="Courier New" SIZE="2"><b>isdn spid1</b></font><font FACE="Arial" SIZE="2">
+ and
+ </font>
+
+ <font FACE="Courier New" SIZE="2"><b>isdn spid2</b></font><font FACE="Arial" SIZE="2">
+ interface configuration mode commands to specify the SPID required by
+ the ISDN network when the router initiates a call to the local ISDN
+ exchange. <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12">
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p>
+
+ <font FACE="Arial" SIZE="2">Configuration of ISDN BRI is a mix of
+ global and interface commands.
+ <img border="0" src="../../images/4.gif" align="absmiddle" width="12" height="12"> To
+ configure the ISDN switch type, use the
+ </font>
+
+ <font FACE="Courier New" SIZE="2"><b>isdn switch-type</b></font><font FACE="Arial" SIZE="2">
+ command in global configuration mode:
+ </font>
+ </p>
+ <blockquote>
+ <p>
+
+ <font FACE="Courier New" SIZE="2">Router(config)#<b>isdn switch-type</b>
+ <i>switch-type</i>
+ </font>
+ </p>
+ </blockquote>
+ <p>
+
+ <font FACE="Arial" SIZE="2">The argument
+ </font>
+ <i>
+
+ <font FACE="Courier New" SIZE="2">switch-type</font></i><font FACE="Arial" SIZE="2">
+ indicates the service provider switch type. To disable the switch on
+ the ISDN interface, specify i</font><font FACE="Courier New" SIZE="2"><b>sdn
+ switch-type none</b></font><font FACE="Arial" SIZE="2">. The following
+ example configures the National ISDN-1 switch type in the global
+ configuration mode:</font></p>
+ <blockquote>
+ <p>
+
+ <font FACE="Courier New" SIZE="2">Router(config)#<b>isdn switch-type
+ basic-ni </b>
+ </font>
+ </p>
+ </blockquote>
+ <p>
+
+ <font FACE="Arial" SIZE="2">To define SPIDs use the
+ </font>
+
+ <font FACE="Courier New" SIZE="2"><b>isdn spid#</b></font><font FACE="Arial" SIZE="2">
+ command in interface configuration mode. This command is used to
+ define the SPID numbers that have been assigned for the B channels:
+ </font>
+ </p>
+ <blockquote>
+ <p>
+
+ <font FACE="Courier New" SIZE="2">Router(config-if)#<b>isdn spid1</b>
+ <i>spid-number</i> [<i>ldn</i>]<br>
+ Router(config-if)#<b>isdn spid2</b> <i>spid-number</i> [<i>ldn</i>]</font></p>
+ </blockquote>
+ <p>
+
+ <font FACE="Arial" SIZE="2">The optional
+ </font>
+ <i>
+
+ <font FACE="Courier New" SIZE="2">ldn</font></i><font FACE="Arial" SIZE="2">
+ argument defines a local dial directory number. On most switches, the
+ number must match the called party information coming in from the ISDN
+ switch. SPIDs are specified in interface configuration mode. To enter
+ interface configuration mode, use the
+ </font>
+
+ <font FACE="Courier New" SIZE="2"><b>interface bri</b></font><font FACE="Arial" SIZE="2">
+ command in the global configuration mode:</font></p>
+ <blockquote>
+ <p>
+
+ <font FACE="Courier New" SIZE="2">Router(config)#<b>interface bri</b>
+ <i>slot/port</i> <br>
+ Router(config)#<b>interface bri0/0</b><br>
+ Router(config-if)#<b>isdn
+ spid1 51055540000001
+ 5554000</b><br>
+ Router(config-if)#<b>isdn
+ spid2 51055540010001
+ 5554001</b></font></p>
+ </blockquote>
+ <p>
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD>
+ <IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+
+ <a target="main" href="../lab4_2_1/index.html">
+
+ <img border="0" src="../../images/lab_icon.gif" width="25" height="25"> <b>
+ Lab Activity</b></a></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>Lab Exercise: Configuring ISDN BRI (U-Interface)</p>
+ <p>In this lab, the student will configure an ISDN router to make a successful
+ connection to a local ISDN switch. </p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ <p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+
+
+
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Configuring ISDN BRI<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_chapter09186a00800ca71c.html">
+ http://www.cisco.com/en/US/products/sw/
+ iosswrel/ps1835/ products_configuration_guide_m chapter09186a00800ca71c.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+</head>
+
+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
+ <frameset rows="100%,48">
+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
+ <frame name="bottom" scrolling="no" marginwidth="0" marginheight="0" src="../../navigation.html" target="contents">
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+ <frameset rows="100%,48">
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+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
+ </frameset>
+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
+ </body>
+ </noframes>
+</frameset>
+
+</html>
diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/media.html new file mode 100644 index 0000000..b35e342 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_1/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
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+
+
+
+</body>
+
+</html>
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+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
+
+
+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
+
+<script language="JavaScript">
+
+<!--
+
+if (document.images) {
+ image1on = new Image();
+ image1on.src = "../../images/index_ov.gif";
+
+ image2on = new Image();
+ image2on.src = "../../images/glossary_ov.gif";
+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
+
+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
+
+ image5on = new Image();
+ image5on.src = "../../images/quiz_ov.gif";
+
+ image1off = new Image();
+ image1off.src = "../../images/index_up.gif";
+
+ image2off = new Image();
+ image2off.src = "../../images/glossary_up.gif";
+
+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
+
+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
+
+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
+
+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
+
+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
+
+ image3hint = new Image();
+ image3hint.src = "../../images/menu_back.gif";
+
+ image4hint = new Image();
+ image4hint.src = "../../images/menu_next.gif";
+
+ image5hint = new Image();
+ image5hint.src = "../../images/menu_quiz.gif";
+
+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
+}
+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
+ }
+}
+
+// -->
+</script>
+
+
+<base target="_self">
+
+
+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
+ <img name="image2" border="0" src="../../images/glossary_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" valign="middle" align="left" height="48">
+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_2_1/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
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+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
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+</html>
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<title>Content</title>
+<base target="_self">
+<style>
+<!--
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+ {mso-style-name:"";
+ text-decoration:underline;
+ text-underline:single;
+ color:teal}
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+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4.2</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Configuration</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.2.2</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Configuring ISDN PRI</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <p>
+ <font face="Arial" size="2">ISDN PRI is delivered over a leased T1 or
+ E1 line. The main PRI configuration tasks are as follows:
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></p>
+ <ol>
+ <li>Specify the correct PRI switch
+ type that the router interfaces with at the CO of
+ the ISDN provider. </li>
+ <li>Specify the T1/E1 controller, framing type, and line coding for
+ the facility of the ISDN provider. </li>
+ <li>Set a PRI group timeslot for the T1/E1 facility and indicate the
+ speed used. </font></li>
+ </ol>
+ <p><font face="Arial" size="2">Because routers connect to PRI using
+ T1/E1, there is no "interface pri” command. Instead, the physical
+ interface on the router that connects to the leased line is called a
+ T1 controller, or an E1 controller, if an E1 line is being used. This
+ controller must be configured properly in order to communicate with the
+ carrier network. The ISDN PRI D and PRI B channels are configured
+ separately from the controller, using the
+ </font><font face="Courier New" size="2"><b>interface serial</b></font><font face="Arial" size="2"> command.
+ </font></p>
+ <p><font face="Arial" size="2">Use the </font>
+ <font face="Courier New" size="2"><b>isdn switch-type</b></font><font face="Arial" size="2"> command to
+ specify the ISDN switch used by the provider to which the PRI
+ connects. As with BRI, this command can be issued globally or in
+ interface configuration mode. The table shows the switch types
+ available for ISDN PRI configuration:
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></p>
+ <blockquote>
+ <p><font face="Courier New" size="2">Router(config)#<b>isdn
+ switch-type
+ primary-net5 </b> </font></p>
+ </blockquote>
+ <p><font face="Arial" size="2">Configuring a T1 or E1 controller is
+ done in four parts:
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></p>
+ <ol>
+ <li>From global configuration mode,
+ specify the controller and the slot/port in the router where the PRI
+ card is located:
+ </font><font face="Courier New" size="2">
+ <p>Router(config)#<b>controller</b>
+ {<b>t1</b> |
+ <b>e1</b>} {<i>slot</i>/<i>port</i>} <br>
+ Router(config-controller)# </li>
+ <br>
+ </li></font><font face="Arial" size="2"><li>Configure the framing, line coding, and clocking, as dictated by
+ the service provider. The </font><font face="Courier New" size="2">
+ <b>framing</b></font><font face="Arial" size="2">
+ command is used to select the frame
+ type used by the PRI service provider. For T1, use the following
+ command syntax:
+ </font><font face="Courier New" size="2">
+ <p>Router(config-controller)#<b>framing</b> {<b>sf</b> | <b>esf</b>}</p>
+ </font><font face="Arial" size="2">
+ For E1 lines, use the </font><font face="Courier New" size="2">
+ <b>framing</b></font><font face="Arial" size="2">
+ command with the following options:
+ </font><font face="Courier New" size="2">
+ <p>Router(config-controller)#<b>framing</b> {<b>crc4</b> | <b>no-crc4</b>}
+ [<b>australia</b>] </p>
+ </font><font face="Arial" size="2">
+ Use the </font><font face="Courier New" size="2">
+ <b>linecode</b></font><font face="Arial" size="2">
+ command to identify the physical-layer signaling
+ method on the digital facility of the provider:
+ </font><font face="Courier New" size="2">
+ <p>Router(config-controller)#<b>linecode</b> {<b>ami</b> | <b>b8zs</b>|
+ <b>hdb3</b>} </p>
+ </font><font face="Arial" size="2">
+ <p>In North America, the B8ZS signaling method is used for T1 carrier
+ facilities. It allows a full 64 kbps for each ISDN channel. In Europe,
+ it is typically HDB3 encoding that is used.</p>
+ </li>
+ <li>Configure the specified interface for PRI operation and the number
+ of fixed timeslots that are allocated on the digital facility of the
+ provider:
+ </font><font face="Courier New" size="2">
+ <p>Router(config-controller)#<b>pri-group</b> [<b>timeslots</b>
+ <i>range</i>] </font></p>
+ <font face="Arial" size="2">
+ <p>For T1, the range of timeslots used is 1-24. For E1 the range of
+ timeslots used is 1-31.</p>
+ </li>
+ <li>Specify an interface for PRI D-channel operation. The interface
+ is a serial interface to a T1/E1 on the router: </font>
+ <p><font size="2" face="Courier New">Router(config)#<b>interface serial</b>{<i>slot/port:</i> | <i>unit:</i>}{<b>23</b> | <b>15</b>} </font>
+ </font></li>
+ </ol>
+ <p><font face="Arial" size="2">Within an E1 or T1 facility, the
+ channels start numbering at 1. The numbering ranges from 1 to 31 for
+ E1 and 1 to 24 for T1. Serial interfaces in the Cisco router start
+ numbering at 0. Therefore, channel 16, the E1 signaling channel, is
+ channel 15 on the interface. Channel 24, the T1 signaling channel,
+ becomes channel 23 on the interface. Thus, interface serial 0/0:23
+ refers to the D channel of a T1 PRI. </font></p>
+ <p><font face="Arial" size="2">Subinterfaces, commonly used with Frame
+ Relay, are designated with a dot, or period. For example, Serial
+ 0/0.16 is a subinterface. Do not confuse the channels of a T1 or E1
+ with subinterfaces. Channels use a colon instead of a dot to indicate
+ the channel number: </font></p>
+ <ul>
+ <li><font face="Arial" size="2">S0/0.23 refers to a Subinterface</font></li>
+ <li><font face="Arial" size="2">S0/0:23 refers to a channel </font>
+ </li>
+ </ul>
+ <TABLE bgcolor="#669999" width="95%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD>
+ <IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="95%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+
+ <a href="javascript:void(0)" onClick="window.open('../../elabs/mod04/elab_4_2_2/elab4_2_2.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">
+ <img border="0" src="../../images/lab_icon.gif" width="25" height="25"><b></a>
+ <a href="javascript:void(0)" onClick="window.open('../../elabs/mod04/elab_4_2_2/elab4_2_2.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">Lab Activity</a></b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>e-Lab Activity:
+ </font><font FACE="Courier New" SIZE="2" COLOR="#808080">
+ <b>isdn switch-type</b></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>In this activity, the student will demonstrate how to use the
+ </font><font FACE="Courier New" SIZE="2" COLOR="#808080">
+ <b>isdn switch-type</b></font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ command.</p>
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Configuring ISDN PRI<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_chapter09186a00800ca71d.html">
+ http://www.cisco.com/en/US/products/sw/
+ iosswrel/ps1835/products_configuration_
+ guide_chapter09186a00800ca71d.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+
+ <font face="Arial" size="2"> </font>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE></td>
+ </tr>
+ </table>
+
+</blockquote>
+</blockquote>
+</blockquote>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_2/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_2/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_2/index.html @@ -0,0 +1,29 @@ +<html>
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+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
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+ WIDTH="100%" HEIGHT="100%">
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+</body>
+
+</html>
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+
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+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
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+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4.2</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Configuration</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.2.3</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Verifying ISDN configuration</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2">Several </font>
+ <font size="2" face="Courier New"><b>show</b></font><font face="Arial" size="2">
+ commands can be used to verify that the ISDN configuration has been
+ implemented correctly.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font><p>
+ <font face="Arial" size="2">To confirm BRI operations, use the </font>
+ <font size="2" face="Courier New"><b>show isdn status</b></font><font face="Arial" size="2">
+ command to inspect the status of the BRI interfaces. This command can
+ be used after configuring the ISDN BRI to verify that the TE1, or
+ router, is communicating correctly with the ISDN switch. In the Figure
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"> output,
+ the TEIs have been successfully
+ negotiated and ISDN Layer 3 is ready to make or receive calls. </font></p>
+ <p><font face="Arial" size="2">Verify that Layer 1 Status is ACTIVE,
+ and that the Layer 2 Status state MULTIPLE_FRAME_ESTABLISHED appears.
+ This command also displays the number of active calls.</font></p>
+ <p><font face="Arial" size="2">The </font>
+ <font size="2" face="Courier New"><b>show isdn active</b></font><font face="Arial" size="2">
+ command displays current call information, including all of the
+ following:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">Called number</font></li>
+ <li><font face="Arial" size="2">Time until the call is disconnected
+ </font></li>
+ <li><font face="Arial" size="2">Advice of charge (AOC) </font></li>
+ <li><font face="Arial" size="2">Charging units used during the call</font></li>
+ <li><font face="Arial" size="2">Whether the AOC information is
+ provided during calls or at end of calls</font></li>
+ </ul>
+ <p><font face="Arial" size="2">The </font>
+ <font size="2" face="Courier New"><b>show dialer</b></font><font face="Arial" size="2">
+ command displays information about the dialer interface:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">Current call status </font></li>
+ <li><font face="Arial" size="2">Dialup timer values </font></li>
+ <li><font face="Arial" size="2">Dial reason </font></li>
+ <li><font face="Arial" size="2">Remote device that is connected</font></li>
+ </ul>
+ <p><font face="Arial" size="2">The </font>
+ <font size="2" face="Courier New"><b>show interface bri0/0</b></font><font face="Arial" size="2">
+ displays statistics for the BRI interface configured on the router.
+ Channel specific information is displayed by putting the channel
+ number at the end of the command. In this case, the </font>
+ <font face="Courier New" size="2"><b>show interface
+ bri0/0:1</b></font><font face="Arial" size="2"> command shows the following:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">The B channel is using PPP
+ encapsulation.</font></li>
+ <li><font face="Arial" size="2">LCP has negotiated and is open.</font></li>
+ <li><font face="Arial" size="2">There are two NCPs running, IPCP and
+
+ Cisco Discovery Protocol Control Protocol (CDPCP).
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></li>
+ </ul>
+ <TABLE bgcolor="#669999" width="95%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD>
+ <IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="95%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+
+ <a href="javascript:void(0)" onClick="window.open('../../elabs/mod04/elab_4_2_3/elab4_2_3.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">
+ <img border="0" src="../../images/lab_icon.gif" width="25" height="25"><b></a>
+ <a href="javascript:void(0)" onClick="window.open('../../elabs/mod04/elab_4_2_3/elab4_2_3.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">Lab Activity</a></b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>e-Lab Activity:
+ </font><font FACE="Courier New" SIZE="2" COLOR="#808080">
+ <b>show isdn status</b></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>In this activity, the student will demonstrate how to use the
+ </font><b><font FACE="Courier New" SIZE="2" COLOR="#808080">
+ show isdn status</font></b><font FACE="Arial" SIZE="2" COLOR="#808080">
+ command to display the status of all ISDN interfaces.</p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ <p>
+
+
+
+
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_3/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_3/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_3/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_3/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_3/media.html new file mode 100644 index 0000000..9a2664c --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_3/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_2_3.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
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+
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+
+</body>
+
+</html>
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+
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+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
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+<script language="JavaScript" src="../../javascript/buttons.js"></script>
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+
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+ image3on.src = "../../images/back_ov.gif";
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+ imageHint.src = "../../images/menu_up.gif";
+}
+
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+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
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+ }
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+}
+
+// -->
+</script>
+
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+<base target="_self">
+
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+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
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+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
+ <img name="image2" border="0" src="../../images/glossary_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" valign="middle" align="left" height="48">
+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_2_3/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
+ <td bgcolor="#336666" width="100%" valign="middle" height="48">
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+ <img name="image4" border="0" src="../../images/next_up.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><b><font face="Arial" size="2" color="#FFFFFF">4.2</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">ISDN Configuration</font></strong></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.2.4</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Troubleshooting the ISDN
+ configuration</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+
+ <tr>
+ <td width="15"></td>
+ <td>
+ <font FACE="Arial" SIZE="2">
+ The following commands are used to debug and troubleshoot the ISDN
+ configuration:</font>
+ <font face="Arial" size="2">
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font><ul>
+ <li><font FACE="Arial" SIZE="2">The </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>debug isdn q921</b> </font>
+ <font FACE="Arial" SIZE="2">
+ command shows data link layer, or Layer 2, messages on the D channel
+ between the router and the ISDN switch. Use this command if the </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>show
+ isdn status</b></font><font FACE="Arial" SIZE="2">
+ command does not show Layer 1 as ACTIVE and Layer 2 as MULTIPLE_FRAME_ESTABLISHED.</font></li>
+ <li>
+ <font FACE="Arial" SIZE="2">
+ The </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>debug isdn q931</b></font><font FACE="Arial" SIZE="2">
+ command shows the exchange of call setup and teardown messages of
+ the Layer 3 ISDN connection.<br>
+ The </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>debug ppp authentication</b></font><font FACE="Arial" SIZE="2">
+ command displays the PPP authentication protocol messages, including
+ Challenge Handshake Authentication Protocol (CHAP) packet exchanges
+ and Password Authentication Protocol (PAP) exchanges.</font></li>
+ <li>
+ <font FACE="Arial" SIZE="2">
+ The </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>debug ppp negotiation</b></font><font FACE="Arial" SIZE="2">
+ command displays information on PPP traffic and exchanges while the
+ PPP components are negotiated. This includes LCP,
+ authentication, and NCP exchanges. A
+ successful PPP negotiation will first open the LCP state, then
+ authenticate, and finally negotiate NCP.</font></li>
+ <li>
+ <font FACE="Arial" SIZE="2">
+ The </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>debug ppp error</b></font><font FACE="Arial" SIZE="2">
+ command displays protocol errors and error statistics associated
+ with PPP connection negotiation and operation. Use the </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>debug ppp</b></font><font FACE="Arial" SIZE="2">
+ commands to troubleshoot a Layer 2 problem if the </font>
+ <font FACE="Courier New" SIZE="2">
+ <b>show isdn status</b></font><font FACE="Arial" SIZE="2">
+ command does not indicate an ISDN problem.</li>
+ </ul>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Troubleshooting ISDN BRI SPIDs<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk379/technologies_tech_note09186a0080093c44.shtml">
+ http://www.cisco.com/en/US/tech/
+ tk801/tk379/technologies_tech_ note09186a0080093c44.shtml</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+
+
+ </font>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE></td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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+
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+
+</html>
diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_4/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_4/media.html new file mode 100644 index 0000000..6e67d18 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_2_4/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_2_4.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
+ <EMBED src="../../flash/ch04/4_2_4.swf" quality=high bgcolor=#FFFFFF WIDTH="100%" HEIGHT="100%" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED></OBJECT>
+
+
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/buttons.html new file mode 100644 index 0000000..cbf30af --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/buttons.html @@ -0,0 +1,109 @@ +<html>
+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
+
+
+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
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+<script language="JavaScript">
+
+<!--
+
+if (document.images) {
+ image1on = new Image();
+ image1on.src = "../../images/index_ov.gif";
+
+ image2on = new Image();
+ image2on.src = "../../images/glossary_ov.gif";
+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
+
+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
+
+ image5on = new Image();
+ image5on.src = "../../images/quiz_ov.gif";
+
+ image1off = new Image();
+ image1off.src = "../../images/index_up.gif";
+
+ image2off = new Image();
+ image2off.src = "../../images/glossary_up.gif";
+
+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
+
+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
+
+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
+
+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
+
+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
+
+ image3hint = new Image();
+ image3hint.src = "../../images/menu_back.gif";
+
+ image4hint = new Image();
+ image4hint.src = "../../images/menu_next.gif";
+
+ image5hint = new Image();
+ image5hint.src = "../../images/menu_quiz.gif";
+
+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
+}
+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
+ }
+}
+
+// -->
+</script>
+
+
+<base target="_self">
+
+
+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
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+ <td bgcolor="#336666" valign="middle" align="left" height="48">
+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_2_4/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
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+ <img name="image4" border="0" src="../../images/next_up.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/content.html new file mode 100644 index 0000000..f25dc05 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/content.html @@ -0,0 +1,134 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.1</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%">
+ <strong><font face="Arial" size="2" color="#FFFFFF">DDR
+ operation</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td><font size="2" face="Arial">
+ Dial-on-demand routing (DDR) is triggered when traffic that matches a predefined set of
+ criteria is queued to be sent out a DDR-enabled interface. The traffic
+ that causes a DDR call to be placed is referred to as interesting
+ traffic. Once the router has transmitted the interesting traffic, the
+ call is terminated.<p>The key to efficient DDR operation is in the
+ definition of interesting traffic. Interesting traffic is defined
+ with the
+ </font><font size="2" face="Courier New">
+ <b>dialer-list</b></font><font size="2" face="Arial">
+ command. Dialer lists can allow all traffic from a specific protocol
+ to bring up a DDR link, or they can query an access list to see what
+ specific types of traffic should bring up the link. Dialer lists do not filter
+ traffic on an interface. Even traffic that is not interesting will be
+ forwarded if the connection to the destination is active.</p>
+ <p>DDR is implemented in Cisco routers in the following steps:</p>
+ <ol>
+ <li>The router receives traffic, performs a routing table lookup to
+ determine if there is a route to the destination, and identifies the
+ outbound interface.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></li>
+ <li>If the outbound interface is configured for DDR, the router does a
+ lookup to determine if the traffic is interesting.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></li>
+ <li>The router identifies the dialing information necessary to make
+ the call using a dialer map to access the next-hop router.
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></li>
+ <li>The router then checks to see if the dialer map is in use. If the
+ interface is currently connected to the desired remote destination,
+ the traffic is sent. If the interface is not currently connected to
+ the remote destination, the router sends call-setup information
+ through
+ the BRI using the D channel.
+ <img border="0" src="../../images/4.gif" align="absmiddle" width="12" height="12"></li>
+ <li>After the link is enabled, the router transmits both interesting
+ and uninteresting traffic. Uninteresting traffic can include data and
+ routing updates.</li>
+ <li>The idle timer starts and runs as long as no interesting traffic
+ is seen during the idle timeout period and disconnects the call based on the idler
+ timer configuration.
+ <img border="0" src="../../images/5.gif" align="absmiddle" width="12" height="12"></li>
+ </ol>
+ <p>The idle timer setting specifies the length of time the router should
+ remain connected if no interesting traffic has been sent. Once a DDR
+ connection is established, any traffic to that destination will be
+ permitted. However, only interesting traffic resets the idle timer. </p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>DDR<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tech_protocol_family_home.html">
+ http://www.cisco.com/en/US/tech/tk801/ tk133/tech_protocol_family_ home.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+
+ </font></td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+</head>
+
+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
+ <frameset rows="100%,48">
+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
+ <frame name="bottom" scrolling="no" marginwidth="0" marginheight="0" src="../../navigation.html" target="contents">
+ </frameset>
+ <frameset rows="100%,48">
+ <frame name="content" scrolling="yes" marginwidth="0" marginheight="0" target="_self" src="content.html">
+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
+ </frameset>
+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
+ </body>
+ </noframes>
+</frameset>
+
+</html>
diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/media.html new file mode 100644 index 0000000..dee6b88 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_1/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_3_1.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
+ <EMBED src="../../flash/ch04/4_3_1.swf" quality=high bgcolor=#FFFFFF WIDTH="100%" HEIGHT="100%" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED></OBJECT>
+
+
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/buttons.html new file mode 100644 index 0000000..04ba394 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/buttons.html @@ -0,0 +1,109 @@ +<html>
+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
+
+
+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
+
+<script language="JavaScript">
+
+<!--
+
+if (document.images) {
+ image1on = new Image();
+ image1on.src = "../../images/index_ov.gif";
+
+ image2on = new Image();
+ image2on.src = "../../images/glossary_ov.gif";
+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
+
+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
+
+ image5on = new Image();
+ image5on.src = "../../images/quiz_ov.gif";
+
+ image1off = new Image();
+ image1off.src = "../../images/index_up.gif";
+
+ image2off = new Image();
+ image2off.src = "../../images/glossary_up.gif";
+
+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
+
+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
+
+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
+
+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
+
+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
+
+ image3hint = new Image();
+ image3hint.src = "../../images/menu_back.gif";
+
+ image4hint = new Image();
+ image4hint.src = "../../images/menu_next.gif";
+
+ image5hint = new Image();
+ image5hint.src = "../../images/menu_quiz.gif";
+
+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
+}
+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
+ }
+}
+
+// -->
+</script>
+
+
+<base target="_self">
+
+
+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
+ <img name="image2" border="0" src="../../images/glossary_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" valign="middle" align="left" height="48">
+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_3_1/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
+ <td bgcolor="#336666" width="100%" valign="middle" height="48">
+ <a target="main" onMouseOver="changeImages('image4', 'image4on'); changeImages('hint', 'image4hint');" onMouseOut="changeImages('image4', 'image4off'); changeImages('hint', 'imageHint');" href="../4_3_3/index.html">
+ <img name="image4" border="0" src="../../images/next_up.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/content.html new file mode 100644 index 0000000..935d7a1 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/content.html @@ -0,0 +1,154 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.2</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Configuring legacy DDR</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+ <p><font face="Arial" size="2">
+ Legacy DDR is a term used to define a very basic DDR configuration in
+ which a single set of dialer parameters is applied to an interface. If
+ multiple unique dialer configurations are needed on one interface,
+ then dialer profiles should be used. </font></p>
+ <p><font face="Arial" size="2">To configure legacy DDR perform the
+ following steps:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">
+ Define static routes
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font></li>
+ <li><font face="Arial" size="2">
+ Specify interesting traffic
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></li>
+ <li><font face="Arial" size="2">
+ Configure the dialer information
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></li>
+ </ul>
+ <p>
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD>
+ <IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+
+ <a target="main" href="../lab4_3_2/index.html">
+
+ <img border="0" src="../../images/lab_icon.gif" width="25" height="25"> <b>
+ Lab Activity</b></a></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>Lab Exercise: Configuring Legacy DDR</p>
+ <p>In this lab, the student will configure an ISDN
+ router to make a Legacy dial-on-demand routing (DDR) call to
+ another ISDN capable router.</p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+
+
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Configuring Legacy DDR Spokes<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/products/sw/iosswrel/ps1828/products_configuration_guide_chapter09186a0080087272.html">
+ http://www.cisco.com/en/US/products/sw/
+ iosswrel/ps1828/ products_configuration_guide_ chapter09186a0080087272.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font></p>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_2/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
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+
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+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_3_2.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
+ <EMBED src="../../flash/ch04/4_3_2.swf" quality=high bgcolor=#FFFFFF WIDTH="100%" HEIGHT="100%" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED></OBJECT>
+
+
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/buttons.html new file mode 100644 index 0000000..8752858 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/buttons.html @@ -0,0 +1,109 @@ +<html>
+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
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+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
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+<script language="JavaScript">
+
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+ image3on.src = "../../images/back_ov.gif";
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+ image3off.src = "../../images/back_up.gif";
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+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
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+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
+
+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
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+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
+
+ image3hint = new Image();
+ image3hint.src = "../../images/menu_back.gif";
+
+ image4hint = new Image();
+ image4hint.src = "../../images/menu_next.gif";
+
+ image5hint = new Image();
+ image5hint.src = "../../images/menu_quiz.gif";
+
+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
+}
+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
+ }
+}
+
+// -->
+</script>
+
+
+<base target="_self">
+
+
+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
+ <img name="image2" border="0" src="../../images/glossary_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" valign="middle" align="left" height="48">
+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_3_2/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
+ <td bgcolor="#336666" width="100%" valign="middle" height="48">
+ <a target="main" onMouseOver="changeImages('image4', 'image4on'); changeImages('hint', 'image4hint');" onMouseOut="changeImages('image4', 'image4off'); changeImages('hint', 'imageHint');" href="../4_3_4/index.html">
+ <img name="image4" border="0" src="../../images/next_up.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/content.html new file mode 100644 index 0000000..34622da --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/content.html @@ -0,0 +1,125 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.3</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Defining static routes for DDR</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+ <font face="Arial" size="2">To forward traffic, routers need to know
+ what route to use for a given destination. When a dynamic routing
+ protocol is used, the DDR interface will dial the remote site for
+ every routing update or hello message if these packets are defined as
+ interesting traffic. To prevent the frequent or constant activation of
+ the DDR link necessary to support dynamic routing protocols, configure
+ the necessary routes statically. </font>
+ <p><font face="Arial" size="2">To configure a static route for IP use
+ the following command:</font></p>
+ <blockquote>
+ <p><font face="Courier New" size="2">Router(config)#<b>ip route</b>
+ <i>net-prefix mask</i> {<i>address</i> | <i>interface</i>} [<i>distance</i>]
+ [<b>permanent</b>] </font></p>
+ </blockquote>
+ <p><font face="Arial" size="2">The Central router has a static route
+ to network 10.40.0.0 on the Home router.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"> The Home
+ router has two static routes defined for the two subnets on the
+ Central LAN. If the network attached to the Home router is a stub
+ network, then all non-local traffic should be sent to Central. A
+ default route is a better choice for the Home router in this instance.</font></p>
+ <blockquote>
+ <p><font face="Courier New" size="2">Home(config)#<b>ip route
+ 0.0.0.0 0.0.0.0 10.1.0.2</b></font></p>
+ </blockquote>
+ <p><font face="Arial" size="2">When configuring static routes,
+ consider the following:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">By default, a static route will take
+ precedence over a dynamic route because of its lower administrative
+ distance. Without additional configuration, a dynamic route to a
+ network will be ignored if a static route is present in the routing
+ table for the same network.</font></li>
+ <li><font face="Arial" size="2">To reduce the number of static route
+ entries, define a summarized or default static route. <br>
+ </font></li>
+ </ul>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Evaluating Backup Interfaces, Floating Static Routes, and Dialer Watch for DDR Backup<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/technologies_tech_note09186a008009457d.shtml">
+ http://www.cisco.com/en/US/tech/
+ tk801/tk133/technologies_tech_ note09186a008009457d.shtml</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+</head>
+
+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
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+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
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+ <frameset rows="100%,48">
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+
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+
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+ </noframes>
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+
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diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/media.html new file mode 100644 index 0000000..4b42b99 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_3/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
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+
+
+
+</body>
+
+</html>
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+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
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+
+<!--
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+ image1on.src = "../../images/index_ov.gif";
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+ image2on.src = "../../images/glossary_ov.gif";
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+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
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+ image4on = new Image();
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+ image1off.src = "../../images/index_up.gif";
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+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
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+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
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+ image1hint.src = "../../images/menu_index.gif";
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+
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+<base target="_self">
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+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
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+
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+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.4</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Specifying interesting traffic
+ for DDR</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+ <p><font face="Arial" size="2">DDR calls are triggered by interesting
+ traffic. This traffic can be defined as any of the following:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">IP traffic of a particular protocol
+ type</font></li>
+ <li><font face="Arial" size="2">Packets with a particular source
+ address or destination </font></li>
+ <li><font face="Arial" size="2">Other criteria as defined by the
+ network administrator</font></li>
+ </ul>
+ <p><font face="Arial" size="2">Use the </font>
+ <font size="2" face="Courier New"><b>dialer-list </b></font><font face="Arial" size="2">
+ command to identify interesting traffic. The command syntax is as
+ follows:</font></p>
+ <blockquote>
+ <p><font face="Courier New" size="2">Router(config)#<b>dialer-list</b>
+ <i>dialer-group-num</i> <b>protocol</b> <i>protocol-name
+ </i>{<i>permit</i> | <i>deny</i> | <b>list</b> <i>access-list-number</i>} </font></p>
+ </blockquote>
+ <p><font face="Arial" size="2">The </font><i>
+ <font size="2" face="Courier New">dialer-group-num</font></i><font face="Arial" size="2">
+ is an integer between 1 and 10 that identifies the dialer list to the
+ router. The command </font><font size="2" face="Courier New"><b>
+ dialer-list 1 protocol ip permit</b></font><font face="Arial" size="2">
+ will allow all IP traffic to trigger a call.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"> Instead of
+ permitting all IP traffic, a dialer list can point to an access list
+ in order to specify exactly what types of traffic should bring up the
+ link. The reference to access list 101 in dialer list 2 prevents FTP
+ and Telnet traffic from activating the DDR link. Any other IP packet is
+ considered interesting, and will therefore initiate the DDR link.</font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Configuration Examples<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tech_configuration_examples_list.html">
+ http://www.cisco.com/en/US/tech/tk801/ tk133/tech_configuration_
+ examples_list.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ <p>
+
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.5</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Configuring DDR dialer
+ information</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td><font face="Arial" size="2">There are several steps involved in
+ configuring the DDR interface. PPP
+ is configured on the dialer interface using the same commands that
+ enable PPP on a serial interface. HDLC is the default encapsulation for
+ an ISDN interface on a Cisco router, but most networks employ PPP for
+ circuit-switched connections. Because of its robustness,
+ interoperability, and additional features such as authentication, PPP is
+ the data link protocol in use on the B channels of most routers. To
+ configure PPP on the DDR interface use the following commands:
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font><blockquote>
+ <p><font face="Courier New" size="2">Home(config)#<b>username
+ Central password cisco </b> <br>
+ Home(config)#<b>interface bri0/0</b><br>
+ Home(config-if)#<b>encapsulation ppp </b> <br>
+ Home(config-if)#<b>ppp authentication chap</b><br>
+ Home(config-if)#<b>ip address 10.1.0.1 255.255.255.0</b></font></p>
+ </blockquote>
+ <p><font face="Arial" size="2">A dialer list specifying the interesting
+ traffic for this DDR interface needs to be associated with the DDR
+ interface. This is done using the </font>
+ <font face="Courier New" size="2"><b>dialer-group </b><i>group-number</i></font><font face="Arial" size="2">
+ command: <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></p>
+ <blockquote>
+ <p><font face="Courier New" size="2">Home(config-if)#<b>dialer-group 1</b></font></p>
+ </blockquote>
+ <p><font face="Arial" size="2">In the command, </font>
+ <i><font face="Courier New" size="2">group-number</font></i><font face="Arial" size="2">
+ specifies the number of the dialer group to which the interface belongs.
+ The group number can be an integer from 1 to 10. This number must match
+ the </font>
+ <font face="Courier New" size="2"><b>dialer-list</b> <i>group-number</i></font><font face="Arial" size="2">.
+ Each interface can have only one dialer group. However, the same dialer
+ list can be assigned to multiple interfaces with the </font>
+ <font face="Courier New" size="2"><b>dialer-group</b></font><font face="Arial" size="2">
+ command.</font></p>
+ <p><font face="Arial" size="2">The correct dialing information for the
+ remote DDR interface needs to be specified. This is done using the </font>
+ <font face="Courier New" size="2"><b>dialer map</b></font><font face="Arial" size="2">
+ command. <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p><font face="Arial" size="2">The </font>
+ <font face="Courier New" size="2"><b>dialer map</b></font><font face="Arial" size="2">
+ command maps the remote protocol address to a telephone number. This
+ command is necessary to dial multiple sites.</font></p>
+ <blockquote>
+ <p><font face="Courier New" size="2">Router(config-if)#<b>dialer map</b>
+ <i>protocol
+ next-hop-address</i> [<b>name </b><i>hostname</i>] [<b>speed
+ 56</b> |<b>
+ 64</b>] [<b>broadcast</b>] <i>dial-string </i></font></p>
+ </blockquote>
+ <p><font face="Arial" size="2">If dialing only one site, use an
+ unconditional </font>
+ <font face="Courier New" size="2"><b>dialer string</b></font><font face="Arial" size="2">
+ command that always dials the one phone number regardless of the traffic
+ destination. This step is unique to legacy DDR. Although the information
+ is always required, the steps to configure destination information are
+ different when using dialer profiles instead of legacy DDR.</font></p>
+ <p><font face="Arial" size="2">The </font>
+ <font face="Courier New" size="2"><b>dialer idle-timeout</b> <i>seconds</i></font><font face="Arial" size="2">
+ command may be used to specify the number of idle seconds before a call
+ is disconnected. </font>
+ <font face="Courier New" size="2"> <i>
+ <img border="0" src="../../images/4.gif" align="absmiddle" width="12" height="12"></i></font><font face="Arial" size="2"> The </font>
+ <font face="Courier New" size="2"><i>seconds</i></font><font face="Arial" size="2">
+ represent the number of seconds until a call is disconnected after the
+ last interesting packet is sent. The default is 120.</font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Configuration Examples<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tech_configuration_examples_list.html">
+ http://www.cisco.com/en/US/tech/tk801/ tk133/tech_configuration_
+ examples_list.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font></td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
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+
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+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_3_5.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
+ <EMBED src="../../flash/ch04/4_3_5.swf" quality=high bgcolor=#FFFFFF WIDTH="100%" HEIGHT="100%" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED></OBJECT>
+
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+
+</body>
+
+</html>
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+
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+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
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+ image3on.src = "../../images/back_ov.gif";
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+}
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+
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+
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+
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+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
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\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/content.html new file mode 100644 index 0000000..7f52400 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/content.html @@ -0,0 +1,151 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.6</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Dialer profiles</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td><font face="Arial" size="2">Legacy DDR is limited because the
+ configuration is applied directly to a physical interface. Since the IP
+ address is applied directly to the interface, then only DDR interfaces
+ configured in that specific subnet can establish a DDR connection with
+ that interface. This means that there is a one-to-one correspondence
+ between the two DDR interfaces at each end of the link.</font><p>
+ <font face="Arial" size="2">Dialer profiles remove the configuration
+ from the interface receiving or making calls and only bind the
+ configuration to the interface on a per-call basis. Dialer profiles
+ allow physical interfaces to dynamically take on different
+ characteristics based on incoming or outgoing call requirements. Dialer
+ profiles can do all of the following:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">Define encapsulation and access
+ control lists </font></li>
+ <li><font face="Arial" size="2">Determine minimum or maximum calls</font></li>
+ <li><font face="Arial" size="2">Turn features on or off</font></li>
+ </ul>
+ <p><font face="Arial" size="2">Dialer profiles aid in the design and
+ deployment of more complex and scalable circuit-switched internetworks
+ by implementing a more scalable DDR model in Cisco routers and access
+ servers. Dialer profiles separate the logical portion of DDR, such as
+ the network layer, encapsulation, and dialer parameters, from the
+ physical interface that places or receives calls.
+ <img border="0" src="../../images/1.gif" align="middle" width="12" height="12"></font></p>
+ <p><font face="Arial" size="2">Using dialer profiles, the following
+ tasks may be performed:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">Configure B channels of an ISDN
+ interface with different IP subnets.</font></li>
+ <li><font face="Arial" size="2">Use different encapsulations on the B
+ channels of an ISDN interface.</font></li>
+ <li><font face="Arial" size="2">Set different DDR parameters for the B
+ channels of an ISDN interface.</font></li>
+ <li><font face="Arial" size="2">Eliminate the waste of ISDN B channels
+ by letting ISDN BRIs belong to
+ multiple dialer pools.</font></li>
+ </ul>
+ <p><font face="Arial" size="2">A dialer profile consists of the
+ following elements:
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></p>
+ <ul>
+ <li><font face="Arial" size="2"><b>Dialer interface</b> – A logical
+ entity that uses a per-destination dialer profile.</font></li>
+ <li><font face="Arial" size="2"><b>Dialer pool</b> – Each dialer
+ interface references a dialer pool, which is a group of one or more
+ physical interfaces associated with a dialer profile.</font></li>
+ <li><font face="Arial" size="2"><b>Physical interfaces</b> –
+ Interfaces in a dialer pool are configured for encapsulation
+ parameters and to identify the dialer pools to which the interface
+ belongs. PPP authentication, encapsulation type, and multilink PPP are
+ all configured on the physical interface.
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></li>
+ </ul>
+ <p><font face="Arial" size="2">Like legacy DDR, dialer profiles activate
+ when interesting traffic is queued to be sent out a DDR interface.
+ First, an interesting packet is routed to a remote DDR IP address. The router
+ then checks the configured dialer interfaces for one that shares the
+ same subnet as the remote DDR IP address. If one exists, the router
+ looks for an unused physical DDR interface in the dialer pool. The
+ configuration from the dialer profile is then applied to the interface
+ and the router attempts to create the DDR connection. When the
+ connection is terminated, the interface is returned to the dialer pool
+ for the next call.</font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Dialer Profiles<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tk159/tech_protocol_home.html">
+ http://www.cisco.com/en/US/tech/
+ tk801/tk133/tk159/ tech_protocol_home.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font></td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
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+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
+ <frameset rows="100%,48">
+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
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+ </frameset>
+ <frameset rows="100%,48">
+ <frame name="content" scrolling="yes" marginwidth="0" marginheight="0" target="_self" src="content.html">
+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
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+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
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+ </noframes>
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+
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diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/media.html new file mode 100644 index 0000000..9c8b010 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_6/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
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+
+
+
+</body>
+
+</html>
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+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
+
+
+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
+
+<script language="JavaScript">
+
+<!--
+
+if (document.images) {
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+ image1on.src = "../../images/index_ov.gif";
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+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
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+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
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+ image5on.src = "../../images/quiz_ov.gif";
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+ image2off = new Image();
+ image2off.src = "../../images/glossary_up.gif";
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+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
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+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
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+ image1hint.src = "../../images/menu_index.gif";
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+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
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+ image4hint.src = "../../images/menu_next.gif";
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+ image5hint.src = "../../images/menu_quiz.gif";
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+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
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+
+function changeImages() {
+ if (document.images) {
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+
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+<base target="_self">
+
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+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
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+ <a target="main" onMouseOver="changeImages('image4', 'image4on'); changeImages('hint', 'image4hint');" onMouseOut="changeImages('image4', 'image4off'); changeImages('hint', 'imageHint');" href="../4_3_8/index.html">
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+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
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+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.7</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Configuring dialer profiles</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+ <font face="Arial" size="2">Multiple dialer interfaces may be
+ configured on a router. Each dialer interface is the complete
+ configuration for a destination. The
+ </font><font face="Courier New" size="2"><b>interface dialer </b></font><font face="Arial" size="2"> command
+ creates a dialer interface and enters interface configuration mode.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p><font face="Arial" size="2">To configure the dialer interface,
+ perform the following tasks:
+ <ol>
+ <li>Configure one or more dialer
+ interfaces with all the basic DDR commands:
+ <ul>
+ <li>IP address</li>
+ <li>Encapsulation type and authentication</li>
+ <li>Idle-timer </li>
+ <li>Dialer-group for interesting traffic</li></ul>
+ <li>Configure a </font><font face="Courier New" size="2"><b>dialer string</b></font><font face="Arial" size="2"> and </font>
+ <font face="Courier New" size="2"><b>dialer remote-name</b></font><font face="Arial" size="2"> to specify the
+ remote router name and phone number to dial it. The </font>
+ <font face="Courier New" size="2"><b>dialer pool</b></font><font face="Arial" size="2">
+ associates this logical interface with a pool of physical interfaces. </li>
+ <li>Configure the physical interfaces and assign them to a dialer pool
+ using the </font><font face="Courier New" size="2"><b>dialer pool-member</b></font><font face="Arial" size="2"> command.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"></font></li>
+ </ol>
+ <p><font face="Arial" size="2">An interface can be assigned to multiple
+ dialer pools by using multiple </font><font face="Courier New" size="2">
+ <b>dialer pool-member</b></font><font face="Arial" size="2"> commands. If more than
+ one physical interface exists in the pool, use the </font>
+ <font face="Courier New" size="2"><b>priority</b></font><font face="Arial" size="2"> option of
+ the </font><font face="Courier New" size="2"><b>dialer pool-member</b></font><font face="Arial" size="2"> command to set the priority of the interface
+ within a dialer pool. If multiple calls need to be placed and only one
+ interface is available, then the dialer pool with the highest priority
+ is the one that dials out. </font></p>
+ <p><font face="Arial" size="2">A combination of any of these interfaces
+ may be used with dialer pools:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">Synchronous Serial</font></li>
+ <li><font face="Arial" size="2">Asynchronous Serial</font></li>
+ <li><font face="Arial" size="2">BRI</font></li>
+ <li><font face="Arial" size="2">PRI</font></li>
+ </ul>
+ <p>
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD>
+ <IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+
+ <a target="main" href="../lab4_3_7/index.html">
+
+ <img border="0" src="../../images/lab_icon.gif" width="25" height="25"> <b>
+ Lab Activity</b></a></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>Lab Exercise: Configuring Dialer Profiles</p>
+ <p>In this lab, the student will configure ISDN Dialer Profiles on the routers.</p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+
+
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Dialer Profiles<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tk159/tech_protocol_home.html">
+ http://www.cisco.com/en/US/tech/
+ tk801/tk133/tk159/ tech_protocol_home.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font></td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_7/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_7/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_7/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+</head>
+
+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
+ <frameset rows="100%,48">
+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
+ <frame name="bottom" scrolling="no" marginwidth="0" marginheight="0" src="../../navigation.html" target="contents">
+ </frameset>
+ <frameset rows="100%,48">
+ <frame name="content" scrolling="yes" marginwidth="0" marginheight="0" target="_self" src="content.html">
+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
+ </frameset>
+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
+ </body>
+ </noframes>
+</frameset>
+
+</html>
diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_7/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_7/media.html new file mode 100644 index 0000000..6a62962 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_7/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
+ <PARAM NAME=movie VALUE="../../flash/ch04/4_3_7.swf"> <PARAM NAME=quality VALUE=high> <PARAM NAME=bgcolor VALUE=#FFFFFF>
+ <EMBED src="../../flash/ch04/4_3_7.swf" quality=high bgcolor=#FFFFFF WIDTH="100%" HEIGHT="100%" TYPE="application/x-shockwave-flash" PLUGINSPAGE="http://www.macromedia.com/go/getflashplayer"></EMBED></OBJECT>
+
+
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/buttons.html new file mode 100644 index 0000000..0830b60 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/buttons.html @@ -0,0 +1,109 @@ +<html>
+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
+
+
+
+<title>New Page 1</title>
+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
+
+<script language="JavaScript">
+
+<!--
+
+if (document.images) {
+ image1on = new Image();
+ image1on.src = "../../images/index_ov.gif";
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+ image2on.src = "../../images/glossary_ov.gif";
+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
+
+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
+
+ image5on = new Image();
+ image5on.src = "../../images/quiz_ov.gif";
+
+ image1off = new Image();
+ image1off.src = "../../images/index_up.gif";
+
+ image2off = new Image();
+ image2off.src = "../../images/glossary_up.gif";
+
+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
+
+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
+
+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
+
+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
+
+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
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+ image3hint = new Image();
+ image3hint.src = "../../images/menu_back.gif";
+
+ image4hint = new Image();
+ image4hint.src = "../../images/menu_next.gif";
+
+ image5hint = new Image();
+ image5hint.src = "../../images/menu_quiz.gif";
+
+ imageHint = new Image();
+ imageHint.src = "../../images/menu_up.gif";
+}
+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
+ }
+ }
+}
+
+// -->
+</script>
+
+
+<base target="_self">
+
+
+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image1', 'image1on'); changeImages('hint', 'image1hint');" onMouseOut="changeImages('image1', 'image1off'); changeImages('hint', 'imageHint');" href="javascript:openIndex('ch4');">
+ <img name="image1" border="0" src="../../images/index_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a onMouseOver="changeImages('image5', 'image5on'); changeImages('hint', 'image5hint');" onMouseOut="changeImages('image5', 'image5off'); changeImages('hint', 'imageHint');" href="javascript:openQuiz('ch04');">
+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
+ <img name="image2" border="0" src="../../images/glossary_up.gif" width="31" height="48"></a></td>
+ <td bgcolor="#336666" valign="middle" align="left" height="48">
+ <a target="main" onMouseOver="changeImages('image3', 'image3on'); changeImages('hint', 'image3hint');" onMouseOut="changeImages('image3', 'image3off'); changeImages('hint', 'imageHint');" href="../4_3_7/index.html">
+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
+ <td bgcolor="#336666" width="100%" valign="middle" height="48">
+ <a target="main" onMouseOver="changeImages('image4', 'image4on'); changeImages('hint', 'image4hint');" onMouseOut="changeImages('image4', 'image4off'); changeImages('hint', 'imageHint');" href="../4_3_9/index.html">
+ <img name="image4" border="0" src="../../images/next_up.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/content.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/content.html new file mode 100644 index 0000000..a0d83af --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/content.html @@ -0,0 +1,114 @@ +<html>
+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.8</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Verifying DDR configuration</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td><p><font face="Arial" size="2">
+ The </font><font face="Courier New" size="2">
+ <b>show dialer interface [BRI]</b></font><font face="Arial" size="2">
+ command displays information in the same format as the legacy DDR
+ statistics on incoming and outgoing calls. </font></p>
+ <p><font face="Arial" size="2">
+ The message “Dialer state is data link layer up” suggests that the
+ dialer came up properly and interface BRI 0/0:1 is bound to the profile
+ dialer1.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p><font face="Arial" size="2">
+ The </font><font face="Courier New" size="2">
+ <b>show isdn active</b></font><font face="Arial" size="2">
+ command displays information about the current active ISDN calls.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12"> In this
+ output, the ISDN call is outgoing to a remote router named Seattle.</font></p>
+ <p><font face="Arial" size="2">
+ The </font><font face="Courier New" size="2">
+ <b>show isdn status</b></font><font face="Arial" size="2">
+ command displays information about the three layers of the BRI interface.
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"> In this
+ output, ISDN Layer 1 is active, ISDN Layer 2 is established with SPID1
+ and SPID2 validated, and there is one active connection on Layer 3.</font></p>
+ <p>
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Configuration Examples<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tech_configuration_examples_list.html">
+ http://www.cisco.com/en/US/tech/</a><br>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tech_configuration_examples_list.html">
+ tk801/tk133/tech_configuration_</a><br>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tech_configuration_examples_list.html">
+ examples_list.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font></p>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+</head>
+
+<frameset cols="490,301" framespacing="0" border="0" frameborder="0" marginheight=0 marginwidth=0 topmargin=0 leftmargin=0>
+ <frameset rows="100%,48">
+ <frame name="graphics" scrolling="no" marginwidth="0" marginheight="0" src="media.html">
+ <frame name="bottom" scrolling="no" marginwidth="0" marginheight="0" src="../../navigation.html" target="contents">
+ </frameset>
+ <frameset rows="100%,48">
+ <frame name="content" scrolling="yes" marginwidth="0" marginheight="0" target="_self" src="content.html">
+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
+ </frameset>
+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
+ </body>
+ </noframes>
+</frameset>
+
+</html>
diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/media.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/media.html new file mode 100644 index 0000000..62a279a --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_8/media.html @@ -0,0 +1,21 @@ +<html>
+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
+ codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
+ WIDTH="100%" HEIGHT="100%">
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+
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+</body>
+
+</html>
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+
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+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
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+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
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+ <td bgcolor="#336666" align="left" height="48"><a href="javascript:openGlossary();" onMouseOver="changeImages('image2', 'image2on'); changeImages('hint', 'image2hint');" onMouseOut="changeImages('image2', 'image2off'); changeImages('hint', 'imageHint');">
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+
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+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();" link="#808080" vlink="#808080" alink="#808080">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666" width="18" valign="top">
+ <img border="0" src="../../images/content_lines.gif" width="16" height="25">
+ <img border="0" src="../../images/transdot.gif" width="2" height="1"></td>
+ <td bgcolor="#336666"><font face="Arial" size="2" color="#FFFFFF"><b>4.</b></font><b><font face="Arial" size="2" color="#FFFFFF">3</font></b></td>
+ <td bgcolor="#336666"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#336666" width="100%"><b>
+ <font face="Arial" size="2" color="#FFFFFF">DDR Configuration</font></b></td>
+ <td width="9" bgcolor="#336666"> </td>
+ </tr>
+ <tr>
+ <td bgcolor="#669999" height="25" width="18"> </td>
+ <td bgcolor="#669999" height="25"><b>
+ <font face="Arial" size="2" color="#FFFFFF">4.3.9</font></b></td>
+ <td bgcolor="#669999"><img border="0" src="../../images/transdot.gif" width="10" height="1"></td>
+ <td bgcolor="#669999" height="25" width="100%"><strong>
+ <font face="Arial" size="2" color="#FFFFFF">Troubleshooting the DDR
+ configuration</font></strong></td>
+ <td bgcolor="#669999" height="25" width="9"> </td>
+ </tr></table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td><font face="Arial" size="2">There are two major types of DDR
+ problems. Either a router is not dialing when it should, or it is
+ constantly dialing when it should not. Several </font>
+ <font face="Courier New" size="2"><b>debug</b></font><font face="Arial" size="2">
+ commands can be used to help troubleshoot problems with a DDR
+ configuration.</font><p><font face="Arial" size="2">The </font>
+ <font size="2" face="Courier New"><b>debug isdn q921</b></font><font face="Arial" size="2">
+ command is useful for viewing Layer 2 ISDN call setup exchanges.
+ <img border="0" src="../../images/1.gif" align="absmiddle" width="12" height="12"> The “i =”
+ field in the Q.921 payload field is the hexadecimal value of a Q.931
+ message. In the following lines, the seventh and eighth most significant
+ hexadecimal numbers in the “i =” field indicate the type of Q.931
+ message: </font></p>
+ <ul>
+ <li><font face="Arial" size="2">0x05 indicates a call setup message
+ </font></li>
+ <li><font face="Arial" size="2">0x02 indicates a call proceeding
+ message </font></li>
+ <li><font face="Arial" size="2">0x07 indicates a call connect message
+ </font></li>
+ <li><font face="Arial" size="2">0x0F indicates a connect
+ acknowledgment (ack) message</font></li>
+ </ul>
+ <p><font face="Arial" size="2">The </font>
+ <font size="2" face="Courier New"><b>debug isdn q931</b></font><font face="Arial" size="2">
+ command is useful for observing call setup exchanges for both outgoing
+ and incoming calls.
+ <img border="0" src="../../images/2.gif" align="absmiddle" width="12" height="12">
+ <img border="0" src="../../images/3.gif" align="absmiddle" width="12" height="12"></font></p>
+ <p><font face="Arial" size="2">The </font>
+ <font size="2" face="Courier New"><b>debug dialer [events | packets]</b></font><font face="Arial" size="2">
+ command is useful for troubleshooting DDR connectivity. The </font>
+ <font size="2" face="Courier New"><b>debug dialer events</b></font><font face="Arial" size="2">
+ command sends a message to the console indicating when a DDR link has
+ connected and what traffic caused it to connect.
+ <img border="0" src="../../images/4.gif" align="absmiddle" width="12" height="12"> If a router
+ is not configured correctly for DDR, then the output of the command will
+ usually indicate the source of the problem. If there is no debug output,
+ then the router is not aware of any interesting traffic. An incorrectly
+ configured dialer or access list may be the cause. </font></p>
+ <p><font face="Arial" size="2">Not all DDR problems result in an
+ interface failing to dial. Routing protocols can cause an interface to
+ continuously dial, even if there is no user data to send. An interface
+ that is constantly going up and down is said to be flapping. The </font>
+ <font size="2" face="Courier New"><b>debug dialer packet</b></font><font face="Arial" size="2">
+ command sends a message to the console every time a packet is sent out a
+ DDR interface. Use this debug command to see exactly what traffic is
+ responsible for a flapping DDR interface.</font></p>
+ <p><font face="Arial" size="2">If a router is not connecting when it
+ should, then it is possible that an ISDN problem is the cause, as
+ opposed to a DDR problem. The remote router may be incorrectly
+ configured, or there could be a problem with the ISDN carrier network.
+ Use the </font><font size="2" face="Courier New"><b>isdn call interface</b></font><font face="Arial" size="2">
+ command to force the local router to attempt to dial into the remote
+ router. <img border="0" src="../../images/5.gif" align="absmiddle" width="12" height="12"> If
+ the routers cannot communicate using this command, then the lack of
+ connectivity is an ISDN problem, not a DDR problem. However, if the
+ routers can communicate, then both the toll network and the ISDN
+ configurations on the routers are working properly. In this case, the
+ problem is most likely an error in the DDR configuration on either
+ router.</font></p>
+ <p><font face="Arial" size="2">In some cases it is useful to reset the
+ connection between the router and the local ISDN switch. The </font>
+ <font size="2" face="Courier New"><b>clear interface bri</b></font><font face="Arial" size="2">
+ command clears currently established connections on the interface and
+ resets the interface with the ISDN switch. This command forces the
+ router to renegotiate its SPIDs with the
+ ISDN switch, and is sometimes necessary after making changes to the
+ </font><font size="2" face="Courier New"><b>isdn spid1</b></font><font face="Arial" size="2">
+ and </font><font size="2" face="Courier New"><b>isdn spid2</b></font><font face="Arial" size="2">
+ commands on an interface.</font></p>
+ <TABLE bgcolor="#669999" width="95%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD>
+ <IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="95%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+
+ <a href="javascript:void(0)" onClick="window.open('../../elabs/mod04/elab_4_3_9/elab4_3_9.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">
+ <img border="0" src="../../images/lab_icon.gif" width="25" height="25"><b></a>
+ <a href="javascript:void(0)" onClick="window.open('../../elabs/mod04/elab_4_3_9/elab4_3_9.html','Interactivity','width=740,height=390,toolbar=0,resizable=yes,scrollbars=0,screenX=26,screenY=38,left=26,top=38');">Lab Activity</a></b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>e-Lab Activity:
+ </font><font FACE="Courier New" SIZE="2" COLOR="#808080">
+ <b>isdn spid</b></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ <p>In this activity, the student will demonstrate how to use the
+ </font><font FACE="Courier New" SIZE="2" COLOR="#808080">
+ <b>isdn spid </b></font><font FACE="Arial" SIZE="2" COLOR="#808080">
+ command to define at the router the service profiles identifier
+ number that was assigned by the ISDN service provided for the B1
+ channel.</p>
+ <font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p></TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+
+
+ <TABLE bgcolor="#B0AFAF" width="95%" border="0" cellspacing="0" cellpadding="0">
+ <TR>
+ <TD valign="top">
+ <TABLE bgcolor="#669999" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD width="5">
+ <img border="0" src="../../images/lab_toplft.gif" width="116" height="23"></TD>
+ <TD><IMG alt="" height="1" width="3" src="../../images/s.gif"></TD><TD align="right" valign="top">
+ <IMG alt="" src="../../images/corner_ur_7.gif" width="7" height="7"></TD>
+ </TR>
+ </TABLE>
+
+ <TABLE bgcolor="#B0AFAF" width="100%" cellspacing="0" cellpadding="0" border="0">
+ <TR>
+ <TD>
+ <TABLE width="100%" cellpadding="2" cellspacing="0" border="0" bordercolor="#111111">
+ <TR>
+ <TD bgcolor="#ffffff" width="15"> </TD>
+ <TD bgcolor="#ffffff"><font FACE="Arial" SIZE="2" COLOR="#000000">
+ <p><font color="#808080">
+ <img border="0" src="../../images/links_icon.gif" width="25" height="25">
+ <b>Web Links</b></font></p>
+ </font><font FACE="Arial" SIZE="2" COLOR="#808080">
+
+ <p>Tech Notes<p>
+ <a target="_blank" href="http://www.cisco.com/en/US/tech/tk801/tk133/tech_tech_notes_list.html">
+ http://www.cisco.com/en/US/tech/
+ tk801/tk133/ tech_tech_notes_ ist.html</a></font></p>
+
+ <p>
+ <IMG alt="" height="2" width="1" src="../../images/s.gif"></p>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE>
+ </TD>
+ </TR>
+ </TABLE><p>
+
+ <font face="Arial" size="2"> </font></td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_9/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_9/index.html new file mode 100644 index 0000000..82a25be --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_3_9/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
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+ <frameset rows="100%,48">
+ <frame name="content" scrolling="yes" marginwidth="0" marginheight="0" target="_self" src="content.html">
+ <frame name="navigation" scrolling="no" marginwidth="0" marginheight="0" noresize src="buttons.html" target="self">
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+
+ <noframes>
+ <body>
+
+ <p>This page uses frames, but your browser doesn't support them.</p>
+
+ </body>
+ </noframes>
+</frameset>
+
+</html>
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+
+<head>
+
+
+
+<title>Flash Graphic</title>
+</head>
+
+<body bgcolor="#FFFFFF" topmargin="1" leftmargin="1">
+<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
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+
+ image3on = new Image();
+ image3on.src = "../../images/back_ov.gif";
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+ image4on = new Image();
+ image4on.src = "../../images/next_ov.gif";
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+ image5on.src = "../../images/quiz_ov.gif";
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+ image3off = new Image();
+ image3off.src = "../../images/back_up.gif";
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+ image4off = new Image();
+ image4off.src = "../../images/next_up.gif";
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+ image5off = new Image();
+ image5off.src = "../../images/quiz_up.gif";
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+ image1hint = new Image();
+ image1hint.src = "../../images/menu_index.gif";
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+ image2hint = new Image();
+ image2hint.src = "../../images/menu_glossary.gif";
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+ image3hint = new Image();
+ image3hint.src = "../../images/menu_back.gif";
+
+ image4hint = new Image();
+ image4hint.src = "../../images/menu_next.gif";
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+ image5hint = new Image();
+ image5hint.src = "../../images/menu_quiz.gif";
+
+ imageHint = new Image();
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+
+function changeImages() {
+ if (document.images) {
+ for (var i=0; i<changeImages.arguments.length; i+=2) {
+ document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
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+ }
+}
+
+// -->
+</script>
+
+
+<base target="_self">
+
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+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
+
+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
+ <td bgcolor="#336666" width="100%" height="48" align="right"><font color="#FFFFFF" size="2" face="Arial"><b> </b></font>
+ <img name="hint" border="0" src="../../images/menu_up.gif" width="136" height="19"></td>
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+ <img name="image5" border="0" src="../../images/quiz_up.gif" width="31" height="48"></a></td>
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+ <img name="image3" border="0" src="../../images/back_up.gif" width="30" height="48"></a></td>
+ <td bgcolor="#336666" width="100%" valign="middle" height="48">
+ <img name="image4" border="0" src="../../images/next_dim.gif" width="30" height="48"></a></td>
+ <td height="48"><img border="0" src="../../images/menu_bar.gif" width="15" height="48"></td>
+ </tr>
+</table>
+
+</html>
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+
+<head>
+<meta http-equiv="Content-Language" content="en-us">
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+
+
+
+<title>Content</title>
+<base target="_self">
+</head>
+
+<body background="../../images/bg.gif" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0" onLoad="window.focus();">
+
+<table border="0" cellpadding="0" cellspacing="0" width="100%">
+ <tr>
+ <td bgcolor="#336666"><img border="0" src="../../images/content_lines.gif" width="16" height="25"><font face="Arial" size="2" color="#000000"><img border="0" src="../../images/transdot.gif"
+ width="2" height="1"></font></td>
+ <td width="100%" bgcolor="#336666"><b>
+ <font face="Arial" size="2" color="#FFFFFF">Summary</font></b></td>
+ </tr>
+</table>
+
+<table border="0" cellpadding="0" cellspacing="0" width="95%" bordercolor="#111111">
+ <tr>
+ <td width="15"></td>
+ <td>
+
+ <font face="Arial" size="2">ISDN refers to a set of communication
+ protocols proposed by telephone companies to permit telephone networks
+ to carry integrated voice, video, and data services. ISDN permits
+ communication over high-quality, high-speed, digital communication
+ channels. </font>
+ <p><font face="Arial" size="2">DDR is used in order to save the costs
+ of a dedicated WAN line for organizations and companies that do not
+ need a permanent connection. It can also be used as a backup by
+ organizations that use the dedicated line for critical applications.
+ </font></p>
+ <p><font face="Arial" size="2">An understanding of the following key
+ points should have been achieved:</font></p>
+ <ul>
+ <li><font face="Arial" size="2">ISDN carries data, voice, and video</font></li>
+ <li><font face="Arial" size="2">ISDN uses standards for addressing,
+ concepts, and signaling</font></li>
+ <li><font face="Arial" size="2">ISDN uses the physical and data-link
+ layers</font></li>
+ <li><font face="Arial" size="2">Interfaces and reference points for
+ ISDN</font></li>
+ <li><font face="Arial" size="2">Router configuration for ISDN</font></li>
+ <li><font face="Arial" size="2">Which traffic is allowed when
+ configuring DDR</font></li>
+ <li><font face="Arial" size="2">Static routes for DDR</font></li>
+ <li><font face="Arial" size="2">The correct encapsulation type for
+ DDR</font></li>
+ <li><font face="Arial" size="2">Access lists affecting DDR traffic</font></li>
+ <li><font face="Arial" size="2">Dialer interfaces</font></li>
+ </ul>
+ <p><font face="Arial" size="2"> </font>
+ </td>
+ </tr>
+ </table>
+
+</body>
+
+</html>
\ No newline at end of file diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_4_1/index.html b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_4_1/index.html new file mode 100644 index 0000000..0eaf5b0 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch4/4_4_1/index.html @@ -0,0 +1,29 @@ +<html>
+
+<head>
+
+<title>Cisco Global Learning Network</title>
+
+
+</head>
+
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+
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+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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+
+<head>
+
+
+
+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Language" content="en-us">
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+<script language="JavaScript" src="../../javascript/buttons.js"></script>
+
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+<script language="JavaScript">
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+<!--
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+if (document.images) {
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+ image1on.src = "../../images/index_ov.gif";
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+ image2on.src = "../../images/glossary_ov.gif";
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+ image3on = new Image();
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+ image3off = new Image();
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+<base target="_self">
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+</head>
+
+<body bgcolor="#cccccc" topmargin="0" leftmargin="0" marginheight="0" marginwidth="0">
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+<table border="0" cellpadding="0" cellspacing="0" height="48" width="100%" style="border-collapse: collapse" bordercolor="#111111">
+ <tr>
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+<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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