Cisco Systems Cisco IOS XR manual Commit best-effort, Commit comment line, Commit confirmed

Chapter 4 Configuring General Router Features

Managing Configuration Sessions

To commit target configuration changes to the running configuration, enter the commit command by itself or with one or more of the options described in Table 4-5.

Table 4-5 Commit Command Options

	Command	Description
	commit		(Default) Merges the target configuration with the running configuration
			and commits changes only if all changes in the target configuration pass
			the semantic verification process. If any semantic errors are found, none
			of the configuration changes takes effect.
	commit best-effort		Merges the target configuration with the running configuration and
			commits only valid changes (best effort). Some configuration changes
			might fail due to semantic errors.
	commit comment line		(Optional) Assigns a comment to a commit.
			• This text comment is displayed in the commit entry displayed with
			the show configuration commit list [detail] command.
			• The line argument is the text for the optional comment or label.
			• The comment option must appear at the end of the command line. If
			multiple options are entered, all text after the comment option is
			treated as a comment.
	commit confirmed		(Optional) Commits the configuration in global configuration mode on a
	seconds		trial basis for a minimum of 30 seconds and a maximum of 300 seconds
			(5 minutes).
			• During the trial configuration, enter commit to confirm the
			configuration. If you do not enter the commit command, the router
			reverts to the previous configuration when the trial time period
			expires.
			• The confirmed option is not available in administration
			configuration mode.
	commit label line		(Optional) Assigns a meaningful label. This label is displayed in the
			output for the show configuration commit list [detail] command instead
			of the numeric label.
			• The line argument is the text for the optional comment or label.
	commit force		(Optional) Merges the target configuration with the running
			configuration and allows a configuration commit in low-memory
			conditions.
			A low-memory warning occurs when a user attempts to commit a target
			configuration that exceeds the default capacity of the router.
			The recommended resolution to such a warning is to remove
			configurations using the no commands.
			Caution The force option can cause the router to experience severe
				problems if low-memory conditions occur. The force option
				should be used only to remove configurations.
	commit replace		(Optional) Replaces the contents of the running configuration with the
			target configuration.
				Cisco IOS XR Getting Started Guide
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