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Hierarchy Level


For EIA-530 and V.35 interfaces, configure the clock mode. You cannot configure clocking-mode dce on a DTE router using an X.21 serial line protocol (detected automatically when an X.21 cable is plugged into the serial interface).


dce—DCE timing (DTE mode only, not valid for X.21).

internal—Internal baud timing.

loop—Loop timing.

  • Default: loop

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration

Release Information

Statement introduced before Junos OS Release 7.4.