05-11-2017 08:56 AM
Generally this is the case when port is Disabled (Persistent).
Can you verify by providing switchshow output?
05-11-2017 08:59 AM
First Steps to troubleshoot :
check hardware : SFP , cable .
Possible I2C bus issue.
Verified port speed .
To bring the port back online, the port needs to be reinitialized to clear the Port_Flt status.
On the disabled port, execute the following two commands:
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