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Hierarchy Level

Release Information

Statement introduced before Junos OS Release 7.4.


Modify the Automatic Protection Switching (APS) interval at which the protect and working routers send packets to their neighbors to advertise that they are operational. A router considers its neighbor to be operational for a period, called the hold time, that is, by default, three times the advertisement interval.


milliseconds—Interval between advertisement packets.

Range: 1 through 65,534 milliseconds

Default: 1000 milliseconds

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Related Documentation