2013年12月25日星期三

Cisco Switch 3560 Errdisable disable State

Please see attached my error I get on up link of  trunk port.
How can I find root of problem to solve it.

This could be caused by a network device but I am guessing that would be rather difficult to track down. How many users are connected o the WS-C3560X-24P-S  switch? Are you able to provide me a sanitized configuration of the 3560? Also are you able to test the fiber link for any physical layer issues?

smaller frames are less effective and will cause drainage of the resource(memory/cpu) if it's being received at an alarming rate.

Since this is being received at the trunk port, trailing the diagram/cabling some network device or even a NIC is not working the way it's expected(may be half duplex or faulty) and network/link is congested at that segment and as a result of collision, the smaller frames are making their way in. It will be a tedious job to find that part.


If you can do a WS-C3560X-48P-L   packet capture, the source and destination field might make your life easy.

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