We have an MPLS with interface gi0/0 that is getting a lot of input errors and was wondering if there is a way to troubleshoot this issue to determine why this might be happening. I can provide more information if needed.
Cisco 2821 MPLS Input Errors on Interface GigabitEthernet 0/0
ciscorouter
Best Answer
From Cisco's document "Troubleshooting Ethernet":
In your case, the input errors seem to be mostly ignored packets, and a very small percentage of overruns.
In conclusion, it seems that the router is heavily overloaded. However there are 2 things here that cause suspicion:
So depending on your actual symptoms (do you experience actual packet loss or not, only at time of high load or all the time, etc.) there can be 2 other explanations: