Cisco Bug: CSCup25222 - Frequent Low Rx Power and warnings on DS-X9448-768K9
Dec 26, 2019
- Cisco MDS 9000 Series Multilayer Switches
Known Affected Releases
Symptom: Frequent SFP Low Rx Power warnings and alarms whenever an interface comes up. <pre> 2017 Mar 30 15:35:29 switchname %PORT-5-IF_UP: %$VSAN 3%$ Interface fc7/21 is up in mode F 2017 Mar 30 15:35:45 switchname %PORT-4-IF_SFP_WARNING: Interface fc7/21, Low Rx Power Warning 2017 Mar 30 15:35:45 switchname %PORT-3-IF_SFP_ALARM: Interface fc7/21, Low Rx Power Alarm 2017 Mar 30 15:45:45 switchname %PORT-4-IF_SFP_WARNING: Interface fc7/21, Low Rx Power Warning cleared 2017 Mar 30 15:45:45 switchname %PORT-3-IF_SFP_ALARM: Interface fc7/21, Low Rx Power Alarm cleared </pre> Both the warning and alarm are cleared 10 minutes later. Conditions: MDS 9700 with 2/4/8/10/16 Gbps Advanced FC Module DS-X9448-768K9.
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