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When Prime Infrastructure discovers the devices in your network, it retrieves and stores the device configurations in its archives. When you make a change to a device configuration, Prime Infrastructure stores the previous version as well as the current version. Prime Infrastructure stores all device configuration versions.
You can perform configuration archive tasks in two places:
•Operate > Configuration Archives—Lists all configuration archives by device type, site group, or user-defined group. You can schedule archive collections, rollbacks, and view details of configurations.
•Operate > Device Work Center—View a specific device's archived configurations, compare its configurations, schedule a configuration rollback, and schedule archive collections for that device.
By default, Prime Infrastructure archives up to five device configuration versions for each device for seven days after:
•Every inventory collection
•Prime Infrastructure receives notification of a configuration change event
To change when Prime Infrastructure archives configurations:
Step 1 Choose Administration > System Settings > Configuration Archive.
Step 2 Change the necessary settings. To archive an unlimited number of configuration versions, uncheck Number of version to retain and Number of days to retain.
Step 3 To have Prime Infrastructure ignore commands for a particular device type, click the Advanced tab, choose the device type, and enter the commands to be ignored. If the device you specify has a change in its configuration and Prime Infrastructure detects that the change is in one of the commands in the exclude list, Prime Infrastructure does not create an archived version of the configuration with this change.
Step 4 Click Save.
To specify when to archive configurations:
Step 1 Choose Operate > Configuration Archives.
Step 2 Choose the device(s) whose configuration you want to archive, then click Schedule Archive. The Configuration Archive Schedule window appears.
Step 3 Enter schedule parameters for the archive collection.
Step 4 Click:
•Save to save your changes.
•Close to exit without saving your changes.
Step 5 To view the progress of the configuration archive job, choose Tools > Task Manager > Jobs Dashboard.
You can compare any two archived running or startup configurationss to find changes made to a device. If you decide to cancel a configuration change, you can roll back to any earlier archived configration (see Rolling Back Configuration Changes).
To compare archived configurations:
Step 1 Choose Operate > Device Work Center.
Step 2 Choose the device whose configurations you want to compare, then click Configuration Archive. The list of archived configurations for the selected device appears.
Step 3 Click the expand icon for the archived configuration you want to compare with others.
Step 4 Click the appropriate link in the Compare With column:
a. To compare the running and startup configurations, click Startup.
b. To cmpare the rarchived configuration with another archived version, click Other Version. Then select the other archived version and click Compare.
c. To cmpare the rarchived configuration with an archived configuration on a different device, click Other Device. Then select the other device and click Compare.
Step 5 To see only the differences between the two configuration archives you are comparing:
a. Click Raw Configuration.
b. From the Select Type drop-down menu, choose Difference only.
The differences are highlighted in red.
You can use Prime Infrastructure to rollback a device's configuration to a previous version of the configuration.
The following steps explain how to roll back a configuration change.
Step 1 Choose Operate > Configuration Archives.
Step 2 Click the expand icon for the device whose configuration you want to roll back.
Step 3 Click the specific configuration version to which you want to roll back, then click Schedule Rollback.
Step 4 Specify the rollback options.
Step 5 Specify the scheduling options.
Step 6 Click Submit.