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Automatic and manual RPM failover
RPM failover is the process of the standby RPM becoming the primary RPM. FTOS fails over to the
standby RPM when:
1. communication is lost between the standby and primary RPMs
2. you request a failover via the CLI
3. you remove the primary RPM
Use the command
show redundancy from EXEC Privilege mode to display the reason for the last failover.
Figure 18-1. Viewing RPM Redundancy Status
Note: A system may not start correctly if it boots from a corrupted FTOS image or an incorrect boot
location. To troubleshoot a failed start, you can interrupt the boot process and configure a different boot
location with the boot change or boot system commands. For more information, see Recovering from a
Failed Start on page 77.
FTOS#show redundancy
-- RPM Status --
------------------------------------------------
RPM Slot ID: 0
RPM Redundancy Role: Primary
RPM State: Active
RPM SW Version: 7.6.1.0
Link to Peer: Up
-- PEER RPM Status --
------------------------------------------------
RPM State: Standby
RPM SW Version: 7.6.1.0
-- RPM Redundancy Configuration --
------------------------------------------------
Primary RPM: rpm0
Auto Data Sync: Full
Failover Type: Hot Failover
Auto reboot RPM: Enabled
Auto failover limit: 3 times in 60 minutes
-- RPM Failover Record --
------------------------------------------------
Failover Count: 0
Last failover timestamp: None
Last failover Reason: None
Last failover type: None
-- Last Data Block Sync Record: --
------------------------------------------------
Line Card Config: succeeded May 19 2008 11:34:06
Start-up Config: succeeded May 19 2008 11:34:06
Runtime Event Log: succeeded May 19 2008 11:34:06
Running Config: succeeded May 19 2008 11:34:07
FTOS#