Taking The Host Subsystem Offline - Juniper T4000 Hardware Manual

T4000 Core Router Hardware Guide

Taking the Host Subsystem Offline

276
To take a host subsystem offline:
Determine whether the host subsystem is functioning as the master or as the backup,
1.
using one of the two following methods:
Check the Routing Engine LEDs on the craft interface. If the green
lit, the corresponding host subsystem is functioning as the master.
Use the show chassis routing-engine
is the master. In this example, the master Routing Engine in
in the
Master Current state
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state
Election priority
Temperature
CPU temperature
DRAM
Memory utilization
CPU utilization:
User
Background
Kernel
Interrupt
Idle
Model
Serial ID
Start time
Uptime
Last reboot reason
Load averages:
Routing Engine status:
Slot 1:
Current state
Election priority
Temperature
CPU temperature
DRAM
Memory utilization
CPU utilization:
User
Background
Kernel
Interrupt
Idle
Model
Serial ID
Start time
Uptime
Last reboot reason
If the host subsystem is functioning as the master, switch it to backup using the CLI
2.
command to determine which Routing Engine
field:
Master
Master (default)
38 degrees C / 100 degrees F
56 degrees C / 132 degrees F
8960 MB
20 percent
0 percent
0 percent
4 percent
1 percent
95 percent
RE-DUO-1800
P737F-002693
2011-12-08 21:04:20 PST
1 day, 13 hours, 22 minutes, 57 seconds
Router rebooted after a normal shutdown.
1 minute 5 minute
0.04
Backup
Backup (default)
38 degrees C / 100 degrees F
53 degrees C / 127 degrees F
8960 MB
17 percent
0 percent
0 percent
1 percent
1 percent
98 percent
RE-DUO-1800
P737F-002587
2011-12-08 20:57:51 PST
1 day, 13 hours, 29 minutes, 11 seconds
Router rebooted after a normal shutdown.
Copyright © 2018, Juniper Networks, Inc.
LED is
MASTER
is designated
Slot 0
15 minute
0.05 0.01