Maintaining The M40E Host Module Components - Juniper M40E Hardware Manual

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Maintaining the M40e Host Module Components

Purpose
Action
Copyright © 2010, Juniper Networks, Inc.
All manuals and user guides at all-guides.com
For further description of the output from the command, see the Junos OS System Basics
and Services Command Reference.
M40e Cooling System Description on page 48
Troubleshooting the Cooling System on the M40e Router on page 150
Replacing the Fan Tray on an M40e Router on page 168
M40e Clearance Requirements for Airflow and Hardware Maintenance on page 71
Verify the condition of the host module components.
The router can have a Routing Engine in each of the slots labeled
Miscellaneous Control Subsystem (MCS) in each of the slots labeled
at the rear of the chassis, as shown in "M40e Chassis Description" on page 8. Each paired
Routing Engine and MCS function together as a host module. To maintain the host
module, regularly:
Check the LCD and the host module LEDs on the craft interface. The LCD reports host
module status during normal operation and describes the cause of failures when they
occur. The green LEDs labeled
module when it is functioning normally. The
host module if it is installed. For more information about the LEDs and LCD, see "M40e
Craft Interface Alarm LEDs and Controls" on page 35 and "M40e Craft Interface LCD
Description" on page 36.
Issue the CLI
show chassis routing-engine
Engines. As shown in the sample output, the master Routing Engine is designated
in the
Master Current state
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state
Election priority
Temperature
DRAM
Memory utilization
CPU utilization:
User
Background
Kernel
Interrupt
Idle
Model
Serial ID
Start time
Uptime
Load averages:
Routing Engine status:
Slot 1:
Chapter 14: Maintaining M40e Router Hardware Components
and light steadily for the master host
ONLINE MASTER
LED also lights for the standby
ONLINE
command to check the status of the Routing
field:
Master
Master (default)
37 degrees C / 98 degrees F
768 MB
18 percent
0 percent
0 percent
2 percent
0 percent
98 percent
RE-2.0
8b00000792898b01
2003-04-29 16:09:49 PDT
16 days, 3 hours, 6 minutes, 34 seconds
1 minute 5 minute
0.00
and and a
RE 0 RE 1
and
MCS 0 MCS 1
15 minute
0.00 0.00
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