JUNOS Internet Software Network Operations Guide: Hardware
118 ! Checking the Router Chassis Component Status
Step 2: Check the Component Environmental Status
Action To check the environmental status of the router component, use the following CLI
command:
user@host> show chassis environment
Sample Output
m20@host> show chassis environment
Class Item Status Measurement
Power Power Supply A OK
Power Supply B OK
Temp FPC Slot 1 OK 30 degrees C / 86 degrees F
FPC Slot 2 OK 29 degrees C / 84 degrees F
Power Supply A OK 23 degrees C / 73 degrees F
Power Supply B OK 21 degrees C / 69 degrees F
SSB Slot 0 OK 30 degrees C / 86 degrees F
Backplane OK 24 degrees C / 75 degrees F
Fans Rear Fan OK Spinning at normal speed
Upper Fan OK Spinning at normal speed
Middle Fan OK Spinning at normal speed
Bottom Fan OK Spinning at normal speed
Misc Craft Interface OK
What It Means The command output lists the components installed in an M20 router chassis,
including the category or class, component name, operational status, and
temperature or speed measurement. Use this command to get a quick status of
each component installed in the router chassis. You can also use the
show chassis
component-name
CLI command to get more detailed status information on certain
components for isolating problems. For an example, see “Display Detailed
Component Environmental Information” on page 59.
Step 3: Check the Component Status from the Craft Interface
Action To check the router operation status from the craft interface, use the following CLI
command:
user@host> show chassis craft-interface
Sample Output
m160@host> show chassis craft-interface
FPM Display contents:
+--------------------+
|myrouter |
|Up: 1+16:46 |
| |
|Fans OK |
+--------------------+
Front Panel System LEDs:
Host 0 1
------------------------
OK . *
Fail . .
Master . *
Front Panel Alarm Indicators:
-----------------------------
Red LED .
Yellow LED .
Major relay .
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