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rpf-check

 

List of Syntax

Syntax (MX Series, SRX Series, M Series, T Series, PTX Series)

Syntax (EX Series and QFX Series)

Syntax (MX Series, SRX Series, M Series, T Series, PTX Series)

Syntax (EX Series and QFX Series)

Hierarchy Level (MX Series, SRX Series, M Series, T Series, PTX Series)

Hierarchy Level (EX Series and QFX Series)

Release Information

Statement introduced before Junos OS Release 7.4.

Statement introduced in Junos OS Release 9.3 for EX Series switches.

Statement introduced in Junos OS Release 13.2 for the QFX Series.

Statement introduced in Junos OS Release 14.1X53-D20 for the OCX Series.

Support for interface ps0 (pseudowire subscriber logical interface device) added in Junos OS Release 15.1.

Description

Enable a reverse-path forwarding (RPF) check on unicast traffic.

On EX3200 and EX4200 switches, enable a reverse-path forwarding (RPF) check on unicast traffic (except ECMP packets) on all ingress interfaces.

On EX4300 switches, enable a reverse-path forwarding (RPF) check on unicast traffic, including ECMP packets, on all ingress interfaces.

On EX8200 and EX6200 switches, enable an RPF check on unicast traffic, including ECMP packets, on the selected ingress interfaces.

On QFX Series switches, enable an RPF check on unicast traffic on the selected ingress interfaces. ECMP packets are checked by QFX5000 Series switches only.

The mode statement is explained separately.

Default

Unicast RPF is disabled on all interfaces.

Options

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.