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3750 Switch .. port not working

 

Hiii

 

 I have a problem with switch 3750 port not working.. its not spanning tree issu .. but if i restart the switch or moved cable to another port then lif is good.. this happening frequently...any idea ?

 

Thanks

2 REPLIES
Hall of Fame Super Gold

This sounds like the port has

This sounds like the port has gone into "error-disable".  

 

When this happens, can you post the output to the command "sh interface status err"?

New Member

Also please show us the

Also please show us the output on the sh int g1/0/1 counters errors (insert your port number).  This is also handy on troubleshooting bad interfaces.  See if the same input/output errors increment when you move the cable to another port.

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