i am trying to add a 3750 switch to the network. i want to config a fiber connection as the uplink to the core. i don't get any connectivity lights that its talking to anything. the fiber run is good because i can connect it to our old switch and all works. what am i missing? I've config the port the same as our old config uplink connection.
Have you tried swapping receive and transmit strands? Are you trying to throw 850nm over a singlemode fiber? Is the SFP really all the way plugged in (some ofthem can be tricky.)? Are your patches good? Did you maybe forget to remove a shutdown statement?
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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