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Configuring Failover to Backup Media If a Junos OS Process Fails

 

For routers or switches with redundant Routing Engines, you can configure the router or switch to switch to backup media that contains a version of the system if a software process fails repeatedly. You can configure the router or switch to fail over either to backup media or to the other Routing Engine. To configure automatic switchover to backup media if a software process fails, include the failover statement at the [edit system processes process-name] hierarchy level:

process-name is one of the valid process names. If this statement is configured for a process, and that process fails four times within 30 seconds, the router reboots from either the alternative media or the other Routing Engine.