CRC, FEC errors - speed goes down - TalkTalk Help & Support
Chasing CRC Errors in a Data Center Fabric « ipSpace.net blog
Cisco CCNA Troubleshooting Switches Introduction
What is meaning of "CRC Errors", "DMA Overrun", "Packet Too Short Errors" and "Packet Too Large Errors" in entstat/netstat and what can be done to resolve them?
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router - Cisco 2821 MPLS Input Errors on Interface GigabitEthernet 0/0 - Server Fault