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FINAL DRAFT —Cisco Confidential
4-6
Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-17502-01
Chapter 4 Configuring Additional Router Features
Managing Configuration History and Rollback
Related Documents
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:
• 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
error appears.
• Load configuration changes made during a configuration session
• Load configuration changes from multiple commitIDs
• Clear commitIDs
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:
• 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
Related Topic Document Title
Installation and activation of the Manageability and
Security Packages
Cisco ASR 9000 Series Aggregation Services Router System
Management Configuration Guide
Descriptions of the XML server commands Cisco ASR 9000 Series Aggregation Services Router System
Management Command Reference