Managing Configuration History And Rollback - Cisco ASR 9000 Getting Started Manual

Managing Configuration History and Rollback

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Managing Configuration History and Rollback
After each commit operation, the system saves a record of committed configuration changes. This record
has only changes made during the configuration session; it does not contain the complete configuration.
Each record is assigned a unique ID, a commitID. Using a commitID you can:
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Cisco IOS XR automatically saves up to 100 of the most recent commitIDs.
The following sections describe how to manage configuration changes and roll back to a previously
committed configuration:
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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
4-6
F I N A L D R A F T — C i s c o C o n f i d e n t i a l
Identify the previous configuration to which to return. Before rolling back the configuration to a
specific commitID, consider the following:
– You cannot roll back to a configuration removed because of package incompatibility.
Configuration rollbacks only succeed when the configuration passes all compatibility checks
with the active Cisco IOS XR Software release.
If the system finds an incompatible configuration during rollback, the operation fails and an
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error appears.
Load configuration changes made during a configuration session
Load configuration changes from multiple commitIDs
Clear commitIDs
Viewing CommitIDs, page 4-7
Viewing Configuration Changes Recorded in a CommitID, page 4-7
Previewing Rollback Configuration Changes, page 4-8
Rolling Back the Configuration to a Specific Rollback Point, page 4-8
Rolling Back the Configuration over a Specified Number of Commits, page 4-9
Loading CommitID Configuration Changes to the Target Configuration, page 4-9
Loading Rollback Configuration Changes to the Target Configuration, page 4-10
Deleting CommitIDs, page 4-11
Document Title
Cisco ASR 9000 Series Aggregation Services Router System
Management Configuration Guide
Cisco ASR 9000 Series Aggregation Services Router System
Management Command Reference
Chapter 4 Configuring Additional Router Features
OL-17502-01