Cisco Systems Cisco IOS XR Manual De Usuario
5-8
Cisco IOS XR Getting Started Guide
OL-10957-02
Chapter 5 Configuring Additional Router Features
Managing Configuration History and Rollback
Loading Rollback Configuration Changes to the Target Configuration
If the changes for a specific rollback point are close to what you want, but a rollback is not appropriate,
you can load the rollback configuration changes into the target configuration, modify the target
configuration, and then commit the new configuration. Unlike the rollback process, the loaded changes
are not applied until you commit them.
you can load the rollback configuration changes into the target configuration, modify the target
configuration, and then commit the new configuration. Unlike the rollback process, the loaded changes
are not applied until you commit them.
Tip
To display the rollback changes, enter the show configuration rollback changes command.
To load rollback configuration changes from the current configuration to a specific session, go to global
configuration or administration configuration mode and enter the load rollback changes to commitId
command:
configuration or administration configuration mode and enter the load rollback changes to commitId
command:
RP/0/0/CPU0:router(config)# load rollback changes to 1000000068
Building configuration...
Loading.
233 bytes parsed in 1 sec (231)bytes/sec
To load rollback configuration changes from the current configuration to a specified number of previous
sessions, go to global configuration or administration configuration mode and enter the load rollback
changes last commit-range command:
sessions, go to global configuration or administration configuration mode and enter the load rollback
changes last commit-range command:
RP/0/0/CPU0:router(config)# load rollback changes last 6
Building configuration...
Loading.
221 bytes parsed in 1 sec (220)bytes/sec
In the preceding example, the command loads the rollback configuration changes for the last six
commitIDs.
commitIDs.
To load the rollback configuration for a specific commitID, go to global configuration or administration
configuration mode and enter the load rollback changes commitId command:
configuration mode and enter the load rollback changes commitId command:
RP/0/0/CPU0:router(config)# load rollback changes 1000000060
Building configuration...
Loading.
199 bytes parsed in 1 sec (198)bytes/sec
Deleting CommitIDs
You can delete the oldest configuration commitIDs by entering the clear configuration commit
command in EXEC or administration EXEC mode. The clear configuration commit command must be
followed by either the amount of disk space you want to reclaim or number of commitIDs you want to
delete. To reclaim disk space from the oldest commitIDs, enter the clear configuration commit
command followed by the keyword diskspace and number of kilobytes to reclaim:
command in EXEC or administration EXEC mode. The clear configuration commit command must be
followed by either the amount of disk space you want to reclaim or number of commitIDs you want to
delete. To reclaim disk space from the oldest commitIDs, enter the clear configuration commit
command followed by the keyword diskspace and number of kilobytes to reclaim:
RP/0/0/CPU0:router# clear configuration commit diskspace 50
Deleting 4 rollback points '1000000001' to '1000000004'
64 KB of disk space will be freed. Continue with deletion?[confirm]
To delete a specific number of the oldest commitIDs, enter the clear configuration commit command
followed by the keyword oldest and number of commitIDs to delete:
followed by the keyword oldest and number of commitIDs to delete: