HP Cisco Nexus 5000 Cisco NX-OS System Messages Reference (OL-15994-03, July 2 - Page 664

STP Messages Chapter 2 System Messages and Recovery Procedures Send document comments to [email protected] STP-4 STP-6 Error Message STP-4-FORWARDTIME_CONFIG_CHANGE: Forward Delay time change to [dec] seconds for instance [chars] is not recommended as it can cause STP data loops during High Availability Dual-Supervisor Switchover and In-Service Software Upgrade Explanation It is stongly recommended to avoid changing forward delay time value to less than the default value of 15 seconds since it can cause STP data loops during High Availability Dual-Supervisor Switchover and also during In-Service Software Upgrade. Please read the release notes. Recommended Action Please change the forward delay time to be greater than or equal to the default value of 15 seconds. Error Message STP-4-HELLOTIME_CONFIG_CHANGE: Hello time change to [dec] seconds for instance [chars] is not recommended as it can trigger STP Topology Changes during High Availability Dual-Supervisor Switchover and In-Service Software Upgrade Explanation It is stongly recommended to avoid changing Hello time value to less than the default value of 2 seconds since it can trigger STP Topology change during High Availability Dual-Supervisor Switchover and also during In-Service Software Upgrade. Please read the release notes. Recommended Action Please change the hello time to be greater than or equal to the default value of 2 seconds. Error Message STP-4-MAC_ADDR_FLUSH_REQ_TIMEOUT: MAC Address Flush req to L2FM timedout after [dec] sec. vdc [dec], tree id [dec], num ports [dec], ports [chars], opcode [chars], msg id ([dec]), rr_token [hex] Explanation The MAC Address Flush Request to L2FM has timed outCheck the port. Recommended Action No user action is required. Error Message STP-6-FIRST_BPDU_TX: First BPDU transmitted Explanation First BPDU transmitted. Recommended Action No action is required. 2-626 Cisco NX-OS System Messages Reference OL-15994-03