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Hierarchy Level

Release Information

Statement introduced in Junos OS Release 9.2 for EX Series switches.

Statement introduced in Junos OS Release 13.2 for the QFX Series.


For switches with more than one Routing Engine, including those in a Virtual Chassis or a Virtual Chassis Fabric, configure the master Routing Engine to switch over gracefully to a backup Routing Engine without interruption to packet forwarding.


Graceful Routing Engine switchover (GRES) is disabled.

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.