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Beginner

BPDU Skewing?

Hello all,

We have dual 6509's Hybrid Mode 8.3.1 and are trying to troubleshoot a STP problem. I enabled bpdu-skewing on both switches and noticed many error logs. My first question is this normal behavior to have so many delayed bpdu packets? And, secondly in the bpdu-skewing stats i noticed large numbers for the worst category 4345. I'm curious as to what causes this kind of delay and should we be concerned? Your suggestions are all welcomed...Thx!

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Enthusiast

Re: BPDU Skewing?

Hi,

the delay depends on L1-L2 problem, like CPU utilization, link traffic, L2 specific problem ...

I need more infos about your L2 topology, and STP features applyed (like loop guard, etc).

About bpdu skewing:

http://www.cisco.com/en/US/tech/tk389/tk621/technologies_tech_note09186a0080094640.shtml

Regards

Andrea

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