Technical Documentation



rpf-check {fail-filter filter-name;mode loose;}

Hierarchy Level

[edit interfaces interface-name unit logical-unit-number family family],[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number family family]

Release Information

Statement introduced before JUNOS Release 7.4.


Check whether traffic is arriving on an expected path. You can include this statement with the inet or inet6 protocol family only.

The mode statement is explained separately.


fail-filter—A filter to evaluate when packets are received on the interface. If the RPF check fails, this optional filter is evaluated. If the fail filter is not configured, the default action is to silently discard the packet.

Required Privilege Level

interface—To view this statement in the configuration.

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

Published: 2010-04-20