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Port on WS-C3750G-24PS keeps disconnecting

I have a WS-C3750G-24PS that port (GigabitEthernet1/0/26 ) keeps disconnecting. The last time it happened I did a shut/no shut and it went back up. My opinion is that it is SPF.  What debug commands or commands period can I use to isolate if this is a hardware issue or not?

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4 REPLIES 4
Cisco Employee

Re: Port on WS-C3750G-24PS keeps disconnecting

not sure of some debug commands... but we can try the sfp in the port gig1/0/26 to another working port to check if we stil face the issue... if yes then issue is with sfp

-balaji

VIP Expert

Re: Port on WS-C3750G-24PS keeps disconnecting

you can test the port if it has an IP address configured on it. Change the port from layer-2 to layer-3 (routed port), put an IP address on it and try this command

"test interface giga 1/0/26"

if the port is working you should see this

!!!!!!!!!!!!!!!!!!!!!!!!!!! passed

HTH

Hall of Fame Community Legend

Re: Port on WS-C3750G-24PS keeps disconnecting

OUT OF TOPIC

Hey Reza,

Forgot to say "Congratulations" for getting a new RED badge. 

VIP Expert

Re: Port on WS-C3750G-24PS keeps disconnecting

Hi Leo,

Thanks a lot my friend!!!!

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