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Cisco Bug: CSCuq05855 - %FWM-2-STM_LOOP_DETECT between low rate ports

Last Modified

Nov 27, 2020

Products (8)

  • CiscoPro Workgroup EtherSwitch Software
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases


Description (partial)

%FWM-2-STM_LOOP_DETECT on ports in low rate.

2 ports receives frames from same source mac address with 120 pps.
Nexus 5000 indicates %FWM-2-STM_LOOP_DETECT a few seconds after sending frames.
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