Juniper PTX5000 Hardware Manual page 512

• Issue the show chassis routing-engine command. The primary Routing Engine is designated Master in
the Current state field.
user@host> show chassis routing-engine
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state
Election priority
...
2. If the Routing Engine to be replaced is currently functioning as the primary, switch it to backup by
using the CLI command:
user@host> request chassis routing-engine master switch
warning: Traffic will be interrupted while the PFE is re-initialized
Toggle mastership between Routing Engines ? [yes,no] (no) yes
Resolving mastership...
Complete. The other Routing Engine becomes the master.
3. Halt the host subsystem.
user@host> request vmhost halt
Halt the system ? [yes,no] (no) yes
*** FINAL System shutdown message from user@host ***
System going down IMMEDIATELY
Terminated
...
syncing disks... 11 8 done
The operating system has halted.
Please press any key to reboot.
NOTE: The request vmhost halt command halts the Routing Engine on the control plane from
which it was issued. The command shuts down the Routing Engine cleanly, so its state
Master
Master (default)
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