Displaying Redundant Routing Engine Mastership and Backup

Action

To display which Routing Engine is master and backup, use the following CLI command:

user@host> show chassis routing-engine

Sample Output

user@host> show chassis routing-engine

Routing Engine status 

 Slot 0  

  Current state: Master 

  Election priority: Master 

 Temperature          41 C / 105 degrees F

  DRAM               765 Mbytes

  CPU utilization 

    User              0 percent

    Background          0 percent

    Kernel             0 percent

    Interrupt          0 percent

    Idle            100 percent

  Serial ID            39000004f8bdec01

  Start time            2000-01-04 22:02:58 UTC

  Uptime               14 hours, 45 minutes, 40 seconds

  Load averages           1 minute   5 minute  15 minute

                                     0.05    0.04    0.01

 Slot 1 

  Current state  Backup 

  Election priority  Backup (default) 

  Temperature          41 C / 105 degrees F

[...Output truncated...]

What It Means

The command output shows the status of the Routing Engines: RE0 is Master and RE1 is Backup.

Alternative Actions

You can also use the show chassis environment routing-engine command; for more information see Monitoring the Routing Engine Status. The Current State field indicates which Routing Engine is master and which is backup.

For M40e and M160 routers, you can also use the show chassis craft-interface command. The command output shows the master and backup Routing Engine LED status; for more information, see Monitoring the Routing Engine Status.