7.1. Discarding Changes in Specific Contexts

The discard command can be used only from the top level of the configuration branch. From any working context (including the configure context), the discard /configure command can be used.

However, the discard /configure command removes all configuration statements from the candidate configuration datastore. To discard changes from a specific context, the output from the compare command can be used to copy and paste configuration statements from within a working context.

By default, the compare command uses the baseline datastore as the base reference. Therefore, any new configuration in the candidate datastore is displayed with a preceding plus (+) sign. When the compare command uses the candidate datastore as the base reference, the compare output displays any new configuration in the candidate datastore with a preceding minus (-) sign, indicating that these configuration elements are not present in the baseline datastore. The configuration elements preceded with a minus (-) sign can be used to discard configurations from the specific context from which the compare command was issued.

In the following configuration example, the lsa-generate timers are modified.

By default, the compare command shows the new configuration using the baseline datastore as the reference:

The following shows the compare command output when the command is executed with the candidate datastore as the reference.

To discard the max-lsa-wait and lsa-initial-wait timer changes, the first two lines from the compare command output can be copied and pasted while in the specified context. The info detail command shows that the timer changes have reverted to their default values.