[nsp] Ethernet switch error messages

Andrew Fort afort at choqolat.org
Wed Oct 1 02:29:38 EDT 2003

Dan Salekin said the following on 1/10/2003 2:50 AM:

> Does anybody know the condition that must be met for the following error message to be logged in a 2924 switch:
> %LINK-4-ERROR: FastEthernet0/5 is experiencing errors
> The software rev is 12.0(5.1)XW
> I'm looking for a technical answer.
> The Cisco TAC technical answer indicated that "a lot" of errors received may trigger the message!
> I'm looking for a little more detail.

Dan, as suggested, see what errors are increasing in 'sh int fa0/5' 

Usually it'll be CRC errors, and as often as not that'll be triggered by 
a duplex mismatch between Fa0/5 and the device at the far end.  Confirm 
that you have speed and duplex set similarly at each end.


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