CBS110-8T-D problem

[n-tunukovic]

I have a Cisco Business CBS110-8T-D unmanaged. It works normally for about ten days, and then suddenly it stops working. I unplug it from the power, I unplug the router from the power, I try everything possible, but it doesn't work. All the lights are on as they should be. And then, after about ten minutes, suddenly everything works. By itself. What is the problem here???

[Blue_Bird]

Check for Loops; Ensure you don't have two cables plugged into the same two devices, or a secondary desktop switch plugged back into itself.

Best regards
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[n-tunukovic]

No, no... that's all it needs to be.

[ashish.kushwaha]

CBS110 is unmanaged, there are no logs, SNMP counters, or CLI to inspect. Diagnosis is therefore based on symptom pattern.

Borrow or temporarily replace the CBS110 with any other 8-port switch for two weeks. If the replacement runs without fault, the CBS110 hardware is confirmed defective.