Clocking - Juniper JUNOS 10.1 - CONFIGURATION GUIDE 1-2010 Configuration Manual

JUNOS 10.1 Network Interfaces Configuration Guide

clocking

clocking (external [interface interface-name ] | internal);
Syntax
Hierarchy Level [edit interfaces interface-name]
Statement introduced before JUNOS Release 7.4.
Release Information
interface
For interfaces that can use various clock sources, configure the source of the transmit
Description
clock on each interface.
external
Options
interface interface-name
internal
interface—To view this statement in the configuration.
Required Privilege Level
interface-control—To add this statement to the configuration.
Related Topics
1026
clocking
option added in JUNOS Release 8.2.
—The clock source is provided by the data communication equipment (DCE).
—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.
—Use the internal stratum 3 clock as the reference clock.
Default: internal
Configuring the Clock Source on page 140
Configuring the Clock Source on SONET/SDH Interfaces on page 930
Clock Sources on Channelized Interfaces on page 398
Configuring a Channelized T1/E1 Interface to Drop and Insert Time Slots on
page 520
loop-timing on page 1244