To maintain the host subsystem, check the LEDs (RE0 and RE1) on the craft interface. For more information
about the LEDs and the display, see “MX2020 Craft Interface Description” on page 31.
NOTE: Even though the Routing Engine is combined with a Control Board (CB-RE), separate
LEDs on the craft interface show the status of the routing engines, and separate LEDs show the
status of the Control Board.
For optimum router performance, verify the condition of the Routing Engines and the CB-REs.
Action
On a regular basis:
•
Check the host subsystem LEDs on the craft interface. For more information about the LEDs, and the
display, see “MX2020 Craft Interface Description” on page 31. During normal operations:
NOTE: Even though the Routing Engine is combined with a Control Board (CB-RE), separate
LEDs on the craft interface show the status of the routing engines, and separate LEDs show
the status of the Control Board.
•
The green host subsystem ONLINE LED on the craft interface is lit.
•
The red host subsystem OFFLINE LED on the craft interface is not lit.
•
Check the LEDs on the Routing Engine portion of the CB-RE faceplate. During normal operations, the
ONLINE LED is lit steadily green.
•
Issue the show chassis routing-engine command to check the status of the Routing Engines. 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 36 degrees C / 96 degrees F
CPU temperature 31 degrees C / 87 degrees F
DRAM 16351 MB (16384 MB installed)
Memory utilization 7 percent
CPU utilization:
486
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