Check The Pcg Led States For Pcg Mastership On The Faceplate - Juniper M Series Monitoring And Troubleshooting Manual

Sample Output
Meaning

Check the PCG LED States for PCG Mastership on the Faceplate

Purpose
Action
Display the Packet Forwarding Engine Current Clock Source
Purpose
Action
Sample Output
Meaning
Copyright © 2012, Juniper Networks, Inc.
user@host> show chassis craft-interface
user@host> show chassis craft-interface
[...Output truncated...]
PCG LEDs:
PCG 0 1
--------------
Amber . .
Green * *
Blue * .
[...Output truncated...]
The command output shows that
on.
To determine the PCG mastership from the PCG LEDs on the faceplate.
To check the PCG LEDs, look on the PCG faceplate at the rear of the M40e or M160 router
chassis (see "PCG Overview" on page
is on steadily, the PCG is functioning as master (see
Faceplate" on page 470).
The Packet Forwarding Engine current clock source is the master PCG.
To display the PCG master from the Packet Forwarding Engine clock source output, use
the following command:
user@host> show chassis clocks
user@host> show chassis clocks
PFE clock status:
Current source
Measured frequency
Reference clock status:
Current source
Primary source
Secondary source
Tertiary source
Rollover algorithm
PLL mode
PLL errors
Sync message current
Sync message normal
Sync message override
The command output shows that the PCG in slot 0 is the primary clock source.
is the master because the blue
PCG 0
467). If the blue MASTER
"Check the PCG LED States on the
PCG 0
125.03 MHz
Primary
Internal
Internal
Internal
Holdover
Free-running
0
0x00
0x00
0x00
Chapter 20: Monitoring the PCG
LED is
MASTER
LED on the PCG faceplate
471