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I am at the end of a 21-switch replacement as part of a larger security-surveillance upgrade. Most of the cutovers have gone smoothly, but I have a few fiber uplinks that will not come up after moving them to the new switches. Old switch: (1G) SMC Ne...
@KJK99 wrote:C1300 switches are picky about SFP modules. I have 3rd-party SFP modules that work when connecting two CBS350 switches, one C1300 and one CBS350 switches, but they do not work when connecting two C1300 switches.Yup, I'm beginning to see ...
@pieterh wrote:did you swap the cable on both sides together? ⚬ I tried that on Tuesday when I had a coworker with me. Other than Tuesday, it's kinda hard to do based on where this project is taking place. Sallyport, multiple locked doors, needing to...
@Daniel Harris wrote:I’d start by checking the SFP compatibility and DOM/transceiver diagnostics before assuming a laser issue. If the ports show no link LED at all, verifying the interface state, optic detection, and fiber polarity on both switches ...
