Determining Routing Engine Mastership ! 477
Chapter 36: Host Redundancy Overview
Step 2: Display the Router Hardware
Action To determine which Routing Engine you are logged in to, use the following JUNOS
software command-line interface (CLI) command:
user@host> show chassis hardware
Hardware inventory:
Item Version Part number Serial number Description
Chassis 65565 M320
Midplane REV 05 710-009120 RB0662 M320 Midplane
FPM GBUS REV 04 710-005928 HV7564 M320 Board
FPM Display REV 05 710-009351 HY0996 M320 FPM Display
CIP REV 04 710-005926 HV2440 M320 CIP
PEM 0 Rev 03 740-009148 QD17663 DC Power Entry Module
PEM 1 Rev 03 740-009148 QD17664 DC Power Entry Module
PEM 2 Rev 03 740-009148 QD17662 DC Power Entry Module
PEM 3 Rev 03 740-009148 QD16006 DC Power Entry Module
Routing Engine 0 REV 05 740-008883 P11123900322 RE-4.0
Routing Engine 1 REV 05 740-008883 P11123900311 RE-4.0
CB 0 REV 07 710-009115 HW8716 M320 Control Board
CB 1 REV 07 710-009115 HW8693 M320 Control Board
[...Output truncated...]
What it Means The output from the show chassis hardware command indicates that you are logged
in to the master Routing Engine because this command can only be used on the
master Routing Engine.
If you are not logged in to the master Routing Engine, you will see the following
command output:
user@host>
show chassis hardware
error: Aborted! This command can only be used on the master routing engine.
Determining Routing Engine Mastership
Steps To Take To determine Routing Engine mastership, follow these steps:
1. Determine the Routing Engine Mastership By Checking Status on page 478
2. Determine Routing Engine Mastership By Checking the LEDs on page 478
3. Log In To Backup Routing Engine If graceful-switchover is Configured on
page 479
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