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Wireless Networks Thread, 3Com Baseline Plus 2952 - errors in log file? in Technical; Hi We're encountering some gremlins on our system and I've been digging through some log files on the switches and ...
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    3Com Baseline Plus 2952 - errors in log file?

    Hi

    We're encountering some gremlins on our system and I've been digging through some log files on the switches and see a few of these logged:

    Jan 13 10:34:31:605 2011 MSTP Critical PFWD Instance 0's GigabitEthernet1/0/16 has been set to forwarding state!
    Jan 13 10:34:31:599 2011 IFNET Warning LINK UPDOWN GigabitEthernet1/0/16: link status is UP
    Jan 13 10:34:29:234 2011 IFNET Warning LINK UPDOWN GigabitEthernet1/0/16: link status is DOWN
    Jan 13 10:34:06:789 2011 MSTP Critical PFWD Instance 0's GigabitEthernet1/0/16 has been set to forwarding state!
    Jan 13 10:34:06:783 2011 IFNET Warning LINK UPDOWN GigabitEthernet1/0/16: link status is UP
    Jan 13 10:34:04:394 2011 IFNET Warning LINK UPDOWN GigabitEthernet1/0/16: link status is DOWN

    What would generate something appearing in the log files on a fairly common basis?

    Thanks in advance!

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    Looks like you have an iffy cable somewhere - "Warning LINK UPDOWN GigabitEthernet1/0/16: link status is DOWN" - Critical PFWD Instance 0's GigabitEthernet1/0/16 has been set to forwarding state! either that or you have a dodgy port - I'd try and test your cable since the port is fluctuating up / down.

    Also if your switch supports spanning-tree just check the settings, See if it's compatible Spanning-tree with other switches - Make sure the port hasn't been blocked for any reason.

    Hope this helps

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    3Com Logs

    Hi

    Sorry to revive an old thread but did you ever find a solution to your problem? We are experiencing a similar problem in one of our schools and just wondered if you had any suggestions?

    Many Thanks

    Andy

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