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Ethernet media problems - excessive noise, excessive collisions, excessive runt frames, late collisions, and no link integrity on 10Base-T, 100Base-T4, or 100Base-TX

TCC_2
Level 10
Level 10

‎06-22-2009 05:05 PM - edited ‎03-01-2019 04:04 PM

Core Issue

When troubleshooting Ethernet media, the show interfaces ethernet and show interfaces fastethernet privileged EXEC commands provide several key fields of information that can help you isolate problems related to Ethernet interfaces.

These are the syntax for the show interfaces ethernet and show interfaces fastethernet commands:

  • show interfaces ethernet [slot | interface] [accounting]
  • show interfaces fastethernet [slot | interface] [accounting]

Resolution

For information on understanding and troubleshooting excessive noise, excessive collisions, excessive runt frames, late collisions, and link integrity, refer to the Troubleshooting Ethernet Media Problems section of Solving Ethernet Problems.

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