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    Enabling Graceful Restart

    Graceful restart is disabled by default. You must configure graceful restart at the [edit routing-options] or [edit routing-instances instance-name routing-options] hierarchy level to enable the feature globally.

    For example:

    routing-options {graceful-restart;}

    You can, optionally, modify the global settings at the individual protocol level or, as of Junos OS 15.1, at the individual routing instance level.

    Note: If you configure graceful restart after a BGP or LDP session has been established, the BGP or LDP session restarts and the peers negotiate graceful restart capabilities.

    To disable graceful restart, include the disable statement. You can do this globally for all protocols by including the disable statement at the [edit routing-options] hierarchy level, or you can disable graceful restart for a single protocol by including the disable statement at the [edit protocols protocol graceful-restart] hierarchy level. To configure a time period for complete restart, include the restart-duration statement. You can specify a number between 120 and 900.

    For a list of hierarchy levels at which you can include this statement, see the statement summary section for this statement.

    When you include the graceful-restart statement at the [edit routing-options] hierarchy level, graceful restart is also enabled for aggregate and static routes.

    Modified: 2016-06-07