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Maintaining the Host Subsystem
The host subsystem comprises an SCB and a Routing Engine installed into a slot in
the SCB. To maintain the host subsystem components, follow these guidelines:
■ Check the LEDs on the craft interface to view information about the status of
the Routing Engines. For more information about the LEDs, see “Craft
Interface” on page 17.
■ Check the LEDs on the SCB faceplate (see Table 9 on page 13).
■ Check the LEDs on the Routing Engine faceplate (see Table 10 on page 16).
■
To check the status of the Routing Engines, issue the show chassis routing-engine
command. The output is similar to the following:
user@host> show chassis routing-engine
Routing Engine status:
Slot 0:
Current state Master
Election priority Master (default)
Temperature 45 degrees C / 113 degrees F
CPU temperature 43 degrees C / 109 degrees F
DRAM 2048 MB
Memory utilization 15 percent
CPU utilization:
User 0 percent
Background 0 percent
Kernel 8 percent
Interrupt 0 percent
Idle 92 percent
Model RE-S-1300
Serial ID 1000694968
Start time 2007-07-10 12:27:39 PDT
Uptime 1 hour, 40 minutes, 37 seconds
Load averages: 1 minute 5 minute 15 minute
0.11 0.06 0.01
Routing Engine status:
Slot 1:
Current state Backup
Election priority Backup (default)
Temperature 46 degrees C / 114 degrees F
CPU temperature 42 degrees C / 107 degrees F
DRAM 2048 MB
Memory utilization 13 percent
CPU utilization:
User 0 percent
Background 0 percent
Kernel 0 percent
Interrupt 0 percent
Idle 100 percent
Model RE-S-1300
Serial ID 1000694976
Start time 2007-06-19 14:17:00 PDT
Uptime 20 days, 23 hours, 51 minutes, 4 seconds
70 ■ Maintaining the Host Subsystem
MX240 Ethernet Services Router Hardware Guide