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Home > Success Center > Network Configuration Manager (NCM) > NCM Documentation > NCM 7.9 Administrator Guide > Compare configuration files

Compare configuration files

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Created by Caroline Juszczak, last modified by Anthony.Rinaldi_ret on Oct 03, 2016

Views: 1,016 Votes: 2 Revisions: 5

Updated: May 31, 2018

Use SolarWinds NCM to compare configuration files on two different nodes or to compare different versions of configs on the same node. You can:

  • Compare running and startup configs to detect changes that were made to the in-memory config but were not permanently saved  to non-volatile memory (NVRAM). These changes will be lost if the device loses power or is rebooted. 
  • In a multi-vendor environment, compare configs from different vendors for reference purposes.
  • Compare different versions of the same config to quickly see what changed. 
  • Compare the configs on different nodes to ensure they match.

To avoid flagging inconsequential changes (such as the last updated date), you can specify lines or blocks to exclude from comparisons.

When you assign a baseline to a device, NCM automatically compares the device's configs to the baseline and reports any changes.

  1. Click My Dashboards >  Network Configuration > Configuration Management.
  2. Select the nodes:
    • To compare configs from two different nodes, select both nodes.
    • To compare two configs from the same node, select a single node.
  3. Click Compare Node(s) Configs, and then select Compare node(s) configs from the drop-down menu.
  4. Select the configs you want to compare.

    The Compare Node(s) Config window displays the configs next to each other.

  5. Review the configs for changes (yellow), added lines (green), and missing lines (red).
  6. Click Edit Config for either config if you need to make changes.
  7. If a config is obsolete and should be removed, click Delete Config.
  8. Click Close.


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