show redundancy config-sync
To display a configuration synchronization failure or the ignored mismatched command list (MCL), if any,
use the show redundancy config-sync command in EXEC mode.
show redundancy config-sync {failures {bem| mcl| prc}| ignored failures mcl}
Syntax Description
Displays MCL entries or best effort method (BEM)/Parser Return Code (PRC)
failures.
failures
Displays a BEM failed command list, and forces the standby switch to reboot.bem
Displays commands that exist in the switch’s running configuration but are not
supported by the image on the standby switch, and forces the standby switch to
reboot.
mcl
Displays a PRC failed command list and forces the standby switch to reboot.prc
Displays the ignored MCL failures.ignored failures mcl
Command Default
None
Command Modes
User EXEC
Privileged EXEC
Command History
ModificationRelease
This command was introduced.Cisco IOS XE 3.3SECisco IOS XE 3.3SE
Usage Guidelines
When two versions of Cisco IOS images are involved, the command sets supported by two images might
differ. If any of those mismatched commands are executed on the active switch, the standby switch might not
recognize those commands, which causes a configuration mismatch condition. If the syntax check for the
command fails on the standby switch during a bulk synchronization, the command is moved into the MCL
and the standby switch is reset. To display all the mismatched commands, use the show redundancy
config-sync failures mcl command.
To clean the MCL, follow these steps:
1
Remove all mismatched commands from the active switch's running configuration.
2
Revalidate the MCL with a modified running configuration by using the redundancy config-sync validate
mismatched-commands command.
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
869
show redundancy config-sync
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