Please help me. I want to connect my two Cisco 3750 switch by gbic GLC-LH-SM .Unfortunately, when i trying to connect,it's not uplink.
More information about two switch below:
Gi1/0/51 notconnect 1 auto auto 1000BaseLX SFP
switch 2 show interface status
Gi2/0/51 notconnect 1 auto auto 1000BaseLX SFP
I have no idea to deal with it,any ideas ?
Retrieving data ...