Cisco Bug: CSCuj38121 - FWM-2-STM_LOOP_DETECT: Loops detected error message is a false alarm
Feb 21, 2018
- Cisco Nexus 3000 Series Switches
- Cisco Nexus 3548 Switch
Known Affected Releases
Symptom: Error message"%FWM-2-STM_LOOP_DETECT: Loops detected in the network among ports ... Disabling dynamic learning notifications for 180 seconds" might be seen when a member link restores in the L2 Port-channel, with L3 mcast traffic is running. Conditions: with L3 mcast traffic is running, shut then no shut a member link in the L2 port-channel, the error message might happen, it is intermittent.
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Bug Details Include
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