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Configuration Conformance

  1. To check your router configuration files against a user-defined template, select Tools > Configuration Conformance... A project is made of a set of configuration files listed in the Configurations tab and a set of templates listed in the Templates tab that are used to check the configuration files.

  2. To populate the Configurations tab, right-click over the left pane and select Open Configuration(s) from the server. Navigate to the directory containing the live network configuration files (/u/wandl/data/collection/.LiveNetwork/config) and select all files using Ctrl-A. Click Select.

  3. To populate the Templates tab, right-click over the left pane and select New Template. Provide the filename and directory to store the template. Select the configuration type and relevant options (such as use regular expression). Then click OK.

  4. In the Templates tab, right-click the template from the left pane and select “Show in Main Pane.” In the Configurations tab, right-click a configuration file containing statements that should be matched and select “Show in Secondary Pane.” Copy and paste the statements that should be matched from the secondary pane to the main pane. (Only the main pane can be edited.) In some cases, certain statements can be configured for flexibility in matching by including regular expressions in portions of the statement. For example, to have all Cisco router hostnames start with “rtr” one line would be “hostname rtr.*”

  5. Right-click the edited template and click “Save.”

  6. To save the project, right-click over the left pane and select Project>Save As on the server. It is necessary to save on the server rather than the client PC in order to schedule conformance tasks on a regular basis.

  7. To check for conformance, right-click over the left pane and select Check Conformance. View the All Conformance Results tab at the bottom of the window to view statements that matched, partially matched, or failed to be matched. Double-click an entry to view the relevant configuration file lines color-coded according to indicate matched and unmatched lines.

    For details on more advanced template creation and additional features, refer to the Router Feature Guide for IP/MPLSView.

    Configuration Revision Manager

  8. To compare a configuration file with a previous version, right-click a device and select Show Config File. Then in the resulting Config Editor, select the following menu from the upper right Actions menu: Actions > Tools > Compare > With revision... Then select the version to compare with.

  9. To open the Revision Manager to access all configuration files and their revisions, select Tools>Revision Manager to access the revision manager. In the upper right corner, select Actions>Configuration Revision to access the configuration revision manager. The program will then attempt to access the configuration files that were collected on the server side and display them in the revision manager window. Whenever a new router collection is performed, the revision manager will then create a new revision of the configuration files and keep a history of them.


    If you have trouble opening up the Configuration Revision view, please make sure that you have scheduled the Scheduling Live Network Collection task at a regular interval in the Task Manager to perform repeated config file collection. This allows the program to establish a baseline of the configuration files, against which future versions of the files are compared.

  10. The configuration files will be listed in the left column. If there are multiple revisions, they will be listed under a folder for that router. To see the dates of these revisions, select the folder, and the revisions will be listed on the right pane in a table with “Last checked-in” times.

  11. To compare revisions, right-click over a configuration file version and select “Compare the selection with revision...” The differences will be color-coded (blue for addition, green for removal, and red for modification).

For more details, refer to the Router Feature Guide for IP/MPLSView.

Figure 1: Viewing Configuration Changes
Viewing Configuration Changes