Re: Input errors on fastethernet interface router 2811
CRCs are considered input errors, and usually point to an issue with the other side of the physical connection. So, to answer your question it's normal to see CRCs on only one side of a link. That's most likely why Edison suggested you try connecting to a different switch port.
If you are going to change switch ports, I would suggest making sure you are moving to a different ASIC as well. To determine port / ASIC mappings, you can do a 'show platform pm if-numbers'.
Also, have you tried using auto-negotiated speed and duplex on this links? Since they're hardcoded you shouldn't see a mismatch, but just something to try..
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
Q1: What are all the channel operational states from a BR (border role) perspective and what are the rules/conditions to be in each st...
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