Supported Platforms
clocking
Syntax
Hierarchy Level
Release Information
Statement introduced before Junos OS Release 7.4.
interface option added in Junos OS Release 8.2.
Statement introduced in Junos OS Release 12.2 for the ACX Series Universal Access Routers.
Description
For interfaces that can use various clock sources, configure the source of the transmit clock on each interface.
Options
external—The clock source is provided by the data communication equipment (DCE).
interface interface-name—For interfaces operating on T1/E1 PIMs for J Series Services Routers only, configure clocking for the drop-and insert feature. When configuring this feature, both ports must use the same clock source: either the router’s internal clock or an external clock on one of the interfaces. If an external clock source is required, one interface must specify clocking external and the other must specify the same clock.
internal—Use the internal stratum 3 clock as the reference clock.
Default: internal
Required Privilege Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.
