Thanks Leo... I know it is a layer 1 issue, but my question was more around if the logs would help in determining if it was specifically the SFP or fibre cabling itself. I was hoping to find out remotely as the site is in a regional location (5 hours drive). I will just have to take a couple of everything and test. "Could someone please help me determine if the fault is with the SFPs / switch or the fibre cabling."
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