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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.</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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