Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


mode (Dynamic Profiles)


Hierarchy Level


Check whether the packet has a source address with a corresponding prefix in the routing table. If a corresponding prefix is not found, unicast reverse path forwarding (RPF) loose mode does not accept the packet. Unlike strict mode, loose mode does not check whether the interface expects to receive a packet with a specific source address prefix.


If you do not include this statement, unicast RPF is in strict mode.

Required Privilege Level

interface—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 9.6.