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Modifying the Default Routing Engine Mastership

For routers with two Routing Engines, you can configure which Routing Engine is the master and which is the backup. By default, the Routing Engine in slot 0 is the master (re0) and the one in slot 1 is the backup (re1).

Note: In systems with two Routing Engines, both Routing Engines cannot be configured to be master at the same time. This configuration causes the commit check to fail.

To modify the default configuration, include the routing-engine statement at the [edit chassis redundancy] hierarchy level:



[edit chassis redundancy]

routing-engine slot-number (master | backup | disabled);

slot-number can be 0 or 1. To configure the Routing Engine to be the master, specify the master option. To configure it to be the backup, specify the backup option. To disable a Routing Engine, specify the disabled option.

Note: To switch between the master and the backup Routing Engines, you must modify the configuration and then activate it by issuing the commit synchronize command.

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