Juniper PTX5000 Hardware Manual page 448

PTX5000 Packet Transport Router Hardware Guide
412
Check the LED on the Control Board. If the blue
MASTER
subsystem is functioning as the master.
Issue the show chassis routing-engine
designated in the
Master
user@host> show chassis routing-engine
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state
Election priority
...
If the Routing Engine to be replaced is currently functioning as the master, switch it
2.
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.
Halt the host subsystem.
3.
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
control plane from which it was issued. The command shuts down the
Routing Engine cleanly, so its state information is preserved. The SIBs
might continue forwarding traffic for approximately 5 minutes after the
request vmhost halt
that has been halted, you must connect through the console.
On the console or other management device connected to the other Routing Engine,
enter CLI operational mode and issue the following command.
user@host> request chassis cb offline slot n
n is 0 or 1 for the slot number of the host subsystem being taken offline.
Verify that the Control Board is offline:
4.
user@host> show chassis environment cb
command. The master Routing Engine is
field.
Current state
Master
Master (default)
command halts the Routing Engine on the
command has been issued. To reboot a Routing Engine
Copyright © 2017, Juniper Networks, Inc.
LED is lit, the host
MASTER