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Analyze OSPF Link-State Advertisement Packets in Detail

Action

To analyze OSPF link-state advertisement packets in detail, follow these steps:

  1. In configuration mode, go to the following hierarchy level:
    [edit]user@host# edit protocols ospf traceoptions
  2. Configure OSPF link-state packages:
    [edit protocols ospf traceoptions]user@host# set flag lsa-update detail
  3. Verify the configuration:
    user@host# show

    For example:


    [edit protocols ospf traceoptions]
    user@host# show
    file ospf size 5m world-readable;
    flag hello detail;
    flag lsa-update detail;
  4. Commit the configuration:
    user@host# commit
  5. View the contents of the file containing the detailed messages:
    user@host# run show log filename

    For example:

    user@host# run show log ospf

    Dec 2 16:23:47 OSPF sent LSUpdate (4) -> 224.0.0.5 (so-1/1/0.0) ec 2 16:23:47 Version 2, length 196, ID 10.0.0.6, area 0.0.0.0
    Dec 2 16:23:47 checksum 0xcc46, authtype 0
    Dec 2 16:23:47 adv count 6 Dec 2 16:23:47 OSPF sent LSUpdate (4) -> 224.0.0.5 (so-1/1/1.0)
    Dec 2 16:23:47 Version 2, length 196, ID 10.0.0.6, area 0.0.0.0 Dec 2 16:23:47 checksum 0xcc46, authtype 0
    Dec 2 16:23:47 adv count 6

Published: 2010-01-25

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