Cat 4506 etherchannel problem.

Discussion in 'Cisco' started by TJ, Feb 7, 2005.

  1. TJ

    TJ Guest

    Has anyone seen a problem with etherchannel (gigabit ethernet) on a Cat
    4506 running:
    12.1(20)EW IOS
    WS-X4548-GB-RJ
    12.1(12r)EW ROM

    4 port group with only the first port of the group connected to a
    passive gig switch, other 3 ports are admin up but physical link down.

    Problem: After ~12-14 hours the port stops forwarding on the cat. If
    the connection is moved from the original port on the passive switch to
    another port on the same switch conenctivity returns.

    This problem has been solved in the past by upgrading IOS and ROM to
    latest revisions. However, I need to justify upgrade with bug id, etc.
    CISCO Tech support no help. Anybody seen, heard documented such a
    case?

    thanks in advance.
    TJ, Feb 7, 2005
    #1
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  2. Hello, TJ!
    You wrote on 7 Feb 2005 09:37:03 -0800:

    T> Has anyone seen a problem with etherchannel (gigabit ethernet) on
    T> a Cat 4506 running:
    T> 12.1(20)EW IOS
    T> WS-X4548-GB-RJ
    T> 12.1(12r)EW ROM

    T> 4 port group with only the first port of the group connected to a
    T> passive gig switch, other 3 ports are admin up but physical link
    T> down.

    T> Problem: After ~12-14 hours the port stops forwarding on the cat. If
    T> the connection is moved from the original port on the passive
    T> switch to another port on the same switch conenctivity returns.

    T> This problem has been solved in the past by upgrading IOS and ROM
    T> to latest revisions. However, I need to justify upgrade with bug
    T> id, etc.CISCO Tech support no help. Anybody seen, heard documented
    T> such a case?

    First of all, it looks like you don't have working Etherchannel. So search for
    bugs and IOS upgrades is pointless at this moment.

    With best regards,
    Andrey.
    Andrey Tarasov, Feb 7, 2005
    #2
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