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Cisco NX-OS System Messages Reference
OL-15994-03
Chapter 2 System Messages and Recovery Procedures
GLBP Messages
FWM-4
Error Message FWM-4-FCFIB_CPU_HOG: Inactive or busy
Explanation Either fcfib was not scheduled to run, or fcfib was busy, and fcfib did not service the
message or timer queue for an extended period.
Recommended Action Enter 'debug fwm error', then recreate the operation scenario, to find out more
details.
Error Message FWM-4-FWM_DUPLICATE_UNICAST_MAC_REGISTRATION: Unicast MAC address
[chars] vlan [dec] registered on interface [chars] before deregistering on
interface [chars]
Explanation Duplicate unicast MAC registration observed.
Recommended Action No action is required.
Error Message FWM-4-STM_LEARNING_OVERLOAD: [chars]
Explanation The system getting overloaded due to learning processes.
Recommended Action Contact the Cisco Technical Assistance Center (TAC) through the Cisco
Support web site http://www.cisco.com/tac.
FWM-6
Error Message FWM-6-MAC_MOVE_NOTIFICATION: Host [chars] in vlan [dec] is flapping
between port [chars] and port [chars]
Explanation Notification of a MAC address moving as per configuration.
Recommended Action No action is required.
Error Message FWM-6-STM_THRESHOLD_NOTIFICATION: Station table reached [dec]% of the
total capacity (total entries [dec])
Explanation Station table capacity utilization message as per configured threshold values.
Recommended Action No action is required.
GLBP Messages
This section contains the GLBP messages.