Juniper JUNOS - NETWORK OPERATION GUIDE REV1

JUNOS Internet Software Network Operations Guide: Hardware
572 ! Monitoring Redundant MCS Status
Step 2: Check the Redundant MCS Status from the Craft Interface
Action To display redundant MCS status from the craft interface, use the following CLI
command:
user@host> show chassis craft-interface
Sample Output user@host> show chassis craft-interface
FPM Display contents:
+--------------------+
|myrouter |
|3 Alarms active |
|R: Hard errors |
|R: PEM 1 Input Fail |
+--------------------|
Front Panel System LEDs:
Routing Engine 0 1
--------------------------
OK * *
Fail . .
Master * .
Front Panel Alarm Indicators:
-----------------------------
Red LED *
Yellow LED *
Major relay *
Minor relay *
Front Panel FPC LEDs:
FPC 0 1 2 3 4 5 6 7
------------------------------------
Red * . . . * . . .
Green . * . * . * * .
MCS LEDs:
MCS 0 1
--------------
Amber . .
Green * *
Blue * .
[...Output truncated...]
What It Means The MCS LEDs section of the command output indicates the status of the redundant
MCSs. An asterisk (*) indicates the current operating state:
Amber (offline), Green
(online), and
Blue (Master).