Maintaining The T640 Control Boards - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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Maintaining the T640 Control Boards

Purpose
Action
184
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state
Election priority
Temperature
DRAM
CPU utilization:
User
Background
Kernel
Interrupt
Idle
Start time
Uptime
Load averages:
Routing Engine status:
Slot 1:
Current state
For further description of the output from the commands, see show chassis routing-engine.
T640 Routing Engine Description on page 33
T640 RE-600 LEDs on page 36
T640 RE-1600 LEDs on page 38
T640 RE-2000 LEDs on page 39
T640 RE-C1800 LEDs on page 41
Troubleshooting the T640 Host Subsystem on page 213
For optimum router performance, verify the condition of the router's control boards.
On a regular basis:
Check the LEDs on the control board faceplate. During normal operations:
The green LED on the control board faceplate is lit.
OK
The green host subsystem
The red host subsystem
The yellow FAIL LED on the control board faceplate is not lit.
Issue the show chassis environment cb
boards. The output is similar to the following:
user@host> show chassis environment cb
CB 0 status:
State
Temperature
Power:
Master
Master (default)
34 degrees C / 93 degrees F
2048 Mbytes
0 percent
0 percent
1 percent
0 percent
99 percent
2002-01-22 05:21:31 UTC
10 days, 16 hours, 4 minutes, 52 seconds
1 minute 5 minute
0.00 0.00
Empty
OK LED on the craft interface is lit.
LED on the craft interface is not lit.
FAIL
command to check the status of the control
Online Master
29 degrees C / 84 degrees F
15 minute
0.00
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