From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/buttons.html | 109 ++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/content.html | 225 +++++++++++++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/index.html | 29 +++ Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/media.html | 21 ++ 4 files changed, 384 insertions(+) create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/buttons.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/content.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/index.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/media.html (limited to 'Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2') diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/buttons.html new file mode 100644 index 0000000..3b34aca --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch3/3_2_2/buttons.html @@ -0,0 +1,109 @@ + + + + + + + + + + + +New Page 1 + + + + + + + + + + + + + + + + + + + + + + + +
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+ + 3.2 + PPP Authentication 
  + 3.2.2 + + Establishing a PPP session 
+ + + + + + +
+ + + + PPP session establishment progresses through three + phases. These phases are link establishment, authentication, and the + network layer protocol phase. + LCP frames are used to accomplish the + work of each of the LCP phases. The following three classes of LCP + frames are used in a PPP session:
    +
  • + + + + Link-establishment frames are used to establish and configure a + link.
    • +
  • + + + + Link-termination frames are used to terminate a link.
    • +
  • + + + + Link-maintenance frames are used to manage and debug a link.
    • +
+

+ + + + The three PPP session establishment phases are:

+
    +
  • + + + + Link-establishment phase – In this phase each PPP device sends LCP + frames to configure and test the data link. LCP frames contain a + configuration option field that allows devices to negotiate the use of + options such as the maximum transmission unit (MTU), compression of + certain PPP fields, and the link-authentication protocol. If a + configuration option is not included in an LCP packet, the default + value for that configuration option is assumed. + Before any network + layer packets can be exchanged, LCP must first open the connection and + negotiate the configuration parameters. This phase is complete when a + configuration acknowledgment frame has been sent and received.
    • +
  • + + + + Authentication phase (optional) – After the link has been established + and the authentication protocol decided on, the peer may be + authenticated. Authentication, if used, takes place before the network + layer protocol phase is entered. As part of this phase, LCP also + allows for an optional link-quality determination test. The link is + tested to determine whether the link quality is good enough to bring + up network layer protocols. + +
    • +
  • + + + + Network layer protocol phase – In this phase the PPP devices send NCP + packets to choose and configure one or more network layer protocols, + such as IP. + Once each of the chosen network layer protocols has been + configured, packets from each network layer protocol can be sent over + the link. If LCP closes the link, it informs the network layer + protocols so that they can take appropriate action. The + + + + show interfaces command + reveals the LCP and NCP states under PPP configuration.
    • +
+

+ + + + The PPP link remains configured for communications until LCP or NCP + frames close the link or until an inactivity timer expires or a user + intervenes.

+ + + + + +
+ + + + + +
+ +
+ + + + + +
+ + + + + +
  +

+ + + Interactive Media Activity

+ +

Drag and Drop: Establishing a PPP Session

+

When the student has completed this activity, the student + will know the three steps in establishing a PPP Session.

+ +

+
+
+ + +     + + + + + +
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+ + + + + +
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+ + + + Lab Activity

+ +

e-Lab Activity: show interfaces

+

In this activity, the student will demonstrate how to use the + + show interfaces + command to display statistics for interfaces configured on the + router for access server.

+ +

+
+        + + + +

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