Check The Pcg Leds For Mastership On The Faceplate; Display Pcg Failure Alarms - Juniper M Series Monitoring And Troubleshooting Manual

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Check the PCG LEDs for Mastership on the Faceplate

Display the Packet Forwarding Engine Current Clock Source

Sample Output

Documentation

[...Output truncated...]

The command output shows that

To check the PCG LEDs for mastership.

To check the PCG LEDs, look on the PCG faceplate at the rear of the M40e or M160 router

chassis."Check the PCG LED Status on the Faceplate" on page 708

states. If the blue

To determine the current clock source of the Packet Forwarding Engine. 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

PFE clock status:

Current source

Measured frequency

Reference clock status:

Current source

Primary source

Secondary source

Tertiary source

Rollover algorithm

Sync message current

Sync message normal

Sync message override

The command output shows that the PCG in slot 0 is the primary clock source or master.

Checklist for Monitoring Redundant PCGs on page 703

To verify PCG failure by checking the current PCG alarms.

is the master because the blue

LED on the PCG faceplate is on steadily, the PCG is functioning

Free-running

Chapter 37: Monitoring Redundant PCGs

describes the PCG LED