Link fragmentation and Interleaving for Multilink PPP


Scenario:

Your VoIP network is a little problematic to say the least. VoIP calls sound choppy and users are complaining all over the place. You look into the datastreams and it seems large data frames are preventing VoIP packets to get to their destination in time. You can’t upgrade the links but you have read about link fragmentation and interleaving…let’s chop em down!

Goal:

  • All IP addresses have been preconfigured for you.
  • Configure PPP encapsulation between router Chop and Slice.
  • Configure PPP Multilink between router Chop and Slice.
  • Configure fragmentation and interleaving on router Chop and Slice.
  • The serialization delay should have a maximum of 10ms. The bandwidth of the serial link is 64kbps.

IOS:

c3640-jk9s-mz.124-16.bin

Topology:

Link Fragmentation and Interleaving Multilink PPP

Video Solution:

Configuration Files

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Written by René Molenaar - CCIE #41726

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About the Author: Rene Molenaar

René - CCIE #41726 is the creator of GNS3Vault.com where he shares CCNA, CCNP and CCIE R&S labs. He also blogs about networking on http://networklessons.com

8 Comments

    1. It’s pretty much the same but the video is how to configure multilink PPP over frame-relay, it’s a different lab.

  1. how about if using interface multilink to configure ppp multilink interleave an fragment.???
    not in virtual-template

  2. what is the difference between applying a virtual template values to MLP or assigning values directly ppp multilink interface. We can run all command under multilink interface as well. so whats the need of a virtual template if we have only one serial link. kindly assisit

  3. For some odd reason the interleave does not appear when the show ppp multllink cmd is issued . I wonder why….

  4. In addition to my above comment are you suppose disable the ip add on the serial links….

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