09-03-2021 12:41 AM
Our Cisco 2960X switches display warning, the optical signal received by transceiver is too high. Is there anyone can explain and advise how to resolve the issue?
May 21 00:14:47.726: %SFF8472-5-THRESHOLD_VIOLATION: Gi1/0/27: Rx power high warning; Operating value: -1.8 dBm, Threshold value: -3.0 dBm.
May 21 00:14:56.559: %SFF8472-5-THRESHOLD_VIOLATION: Gi1/0/28: Rx power high warning; Operating value: 0.3 dBm, Threshold value: -3.0 dBm.
May 21 00:24:48.669: %SFF8472-5-THRESHOLD_VIOLATION: Gi1/0/27: Rx power high warning; Operating value: -1.8 dBm, Threshold value: -3.0 dBm.
May 21 00:24:57.508: %SFF8472-5-THRESHOLD_VIOLATION: Gi1/0/28: Rx power high warning; Operating value: 0.3 dBm, Threshold value: -3.0 dBm.
09-03-2021 02:05 AM
shut/no shut the ports first.
Next, bounce the switch.
09-03-2021 03:38 AM
Your input to that SFP is to hot. You need an attenuator. What type of SFP is it?
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