Technical Documentation

failover (System Process)


failover (alternate-media | other-routing-engine);

Hierarchy Level

[edit system processes process-name]

Release Information

Statement introduced before JUNOS Release 7.4.


Configure the router to reboot if the software process fails four times within 30 seconds, and specify the software to use during the reboot.


process-name—JUNOS Software process name. Some of the processes that support the failover statement are bootp, chassis-control, craft-control, ethernet-connectivity-fault-management, init, interface-control, neighbor-liveness, pfe, redundancy-interface-process, routing, and vrrp.

alternate-media—Use the JUNOS Software image on alternate media during the reboot.

other-routing-engine—On routers with dual Routing Engines, use the JUNOS Software image on the other Routing Engine during the reboot. That Routing Engine assumes mastership; in the usual configuration, the other Routing Engine is the designated backup Routing Engine.

Required Privilege Level

system—To view this statement in the configuration.

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

Published: 2010-04-28