[c-nsp] %LINK-4-ERROR: FastEthernet0/1 is experiencing errors

[Justin M. Streiner]

On Fri, 6 May 2005, Feng Wang wrote:

> Anyone has idea how to fix this problem?
> I have a Cisco 3512XL running Etherchannel with a Cisco 6509. The Etherchannel has two fastEthernet links.
>
> There is no err reported on 6509 side.
> And I also check the speed/duplex on both side, they are hardcoded as 100M/Full Duplex.
>
> I suspect the port fa0/1 is defect in 3512 side. How do you think?

It's worth trying another port, just make sure you move the port-channel 
configuration to the new interface as well.  It might also be a bad cable 
- try replacing the patch cable that connects to Fa0/1 on the 3512.

Just a guess...

jms