Cisco Catalyst 4500 Series Message Manual page 103

Chapter 2 Messages and Recovery Procedures
Error Message C4K_REDUNDANCY-2-NON_SYMMETRICAL_REDUNDANT_SYSTEM: [char]
Explanation
redundancy operations are not guaranteed.
Recommended Action
identical.
Error Message C4K_REDUNDANCY-2-POSTFAIL:POST failure on [char] supervisor detected.
[char]
Explanation
the current active supervisor engine to standby and attempts to become the active supervisor engine.
If the standby supervisor engine failed POST, then it will suspend at bootup and stay there. During
this time if the active supervisor engine fails, then the standby supervisor engine will also reboot
because it is not a fully functional standby supervisor engine at this point.
Recommended Action
Error Message C4K_REDUNDANCY-2-POSTFAIL_RESET:POST failure on ACTIVE supervisor
detected. [char]
Explanation
bootup. The active supervisor engine will reset itself so that the standby supervisor engine can take
over as the new active supervisor engine.
Recommended Action
Immediate action is not needed for the switch to operate, but redundancy will not be available until
there is a second functional supervisor engine.
Error Message C4K_REDUNDANCY-2-CONFIG_VERIFICATION_ERROR: The Active supervisor has
previously detected a config sync
Explanation
redundancy mode as RPR. For proper operation of SSO redundancy, the configuration running in
the active supervisor engine and standby supervisor engine must be the same. Here we have detected
at least one command unsupported or failing on the standby supervisor engine during the running
configuration bulk sync. In this condition SSO redundancy operations are not guaranteed.
Recommended Action
command. Remove from the configuration the commands that are causing the bulk sync
configuration failure.
OL-11541-01
The active and standby supervisor engine hardware is different. In this condition,
Configure the hardware so that the active and standby supervisor engines are
The active supervisor engine failed POST. The current standby supervisor engine resets
Run offline diagnostics on the failed supervisor engine to isolate the problem.
The active supervisor engine failed POST but detected the standby supervisor engine at
Run offline diagnostics on the failed supervisor engine to isolate the failure.
When this message appears the system cannot work in SSO mode so it sets the system
Please check the full list of failures using the show issu config-sync failures
Catalyst 4500 Series Switch Cisco IOS System Message Guide Release 12.2(31)SGA
verification error (error code [dec]).
REDUNDANCY Messages
2-83