Month: March 2010

Checking optical interface type

Sometimes you log onto a switch remotely and need to know what kind of optical interface the switches actually have plugged in. It’s pretty simple: Switch#show interface gi1/0/25 capabilities GigabitEthernet1/0/25 Model:                 WS-C3750G-24TS Type:                  1000BaseLX SFP Speed:                 1000 Duplex:                full Trunk encap. type:     802.1Q,ISL Trunk mode:            on,off,desirable,nonegotiate Channel:               yes Broadcast suppression: percentage(0-100) Flowcontrol:           rx-(off,on,desired),tx-(none) Fast Start:           …

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