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Where is logging for interface negotiation history?

Hey all,

I googled it and I searched the forums here - but like all valuable tech nuggets I believe the answer is hidden in the nix/CLI which I'm pretty sure 99.999% of the world doesn't know how to leverage.

Being in the 99.999% - I'm hoping someone can tell me. 

A customer is stating that he has an interface flapping (WAN) due to negotiation issues - but I can't confirm or deny.

Please advise.



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  • FormerMember
    0 FormerMember in reply to John Woodall

    Hi John Woodall,

    Using "tail -f" was just an example to catch the log entries, if you are after the history of the speed negotiation, you have to use "cat" or "grep" to see static entries. 

    I am glad that your question was answered by the previous post. 

    Thanks,