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request chassis synchronization switch

Syntax

Syntax (M Series, T Series)

Syntax (PTX Series)

Description

(M320, M40e, M120, T320, T640, and T1600 routers and PTX Packet Transport Routers only) Change the external clock source used for chassis synchronization.

Options

external-a

(Routing matrix only) Change the synchronization source to external source A.
external-b

(Routing matrix only) Change the synchronization source to external source B.
bits-a

(PTX Series only) Change the synchronization source to the BITS external source A.
bits-b

(PTX Series only) Change the synchronization source to the BITS external source B.
fpc-slot-number

(PTX Series only) Change the synchronization source to an FPC in the slot specified. For the PTX5000 Packet Transport Router, replace slot-number with a value from 0 through 7.
gps-0-10mhz

(PTX Series only) Change the synchronization source to the 10 MHz GPS source on CCG port 0.
gps-0-5mhz

(PTX Series only) Change the synchronization source to the 5 MHz GPS source on CCG port 0.
gps-1-10mhz

(PTX Series only) Change the synchronization source to the 10 MHz GPS source on CCG port 1.
gps-1-5mhz

(PTX Series only) Change the synchronization source to the 5 MHz GPS source on CCG port 1.

Required Privilege Level

maintenance

Output Fields

When you enter this command, you are provided feedback on the status of your request. Not configured indicates that the source is not configured. Present indicates that the source is configured and present. Qualified indicates that the source is being used for synchronization.

Sample Output

request chassis synchronization switch (M Series, T Series)

request chassis synchronization switch (PTX Series)

Release Information

Command introduced in Junos OS Release 7.6.

Related Documentation