How to determine whether the SFP or Cable is faulty
This KB article is linked to the Interactive Workflow Brocade Switch Troubleshooting Workflow.
Applies to
Brocade switches all models
Description
To determine whether the SFP or a cable is the cause of the loss of connectivity, check the porterrshow output from the switch.
enc out errors alone imply primarily a cable issue.
enc out and crc err in combination primarily imply a GBIC/SFP problem.