Enabling IPv6 uRPF

IPv6 uRPF checks only incoming packets on interfaces. You can enable IPv6 uRPF on an interface.

Follow these guidelines when you enable IPv6 uRPF:

You can use the display ipv6 interface command to display statistics about packets discarded by IPv6 uRPF (displayed as "Drops" and "Suppressed drops").
Do not configure the allow-default-route keyword for loose IPv6 uRPF check. Otherwise, IPv6 uRPF might fail to work.

To enable IPv6 uRPF on an interface:

Step	Command	Remarks
1. Enter system view.	system-view	N/A
2. Enter interface view.	interface interface-type interface-number	N/A
3. Enable IPv6 uRPF on the interface.	ipv6 urpf { loose \| strict } [ allow-default-route ] [ acl acl-number ]	By default, IPv6 uRPF is disabled. Support for the parameters depends on the device model.

Step

Command

Remarks

1. Enter system view.

system-view

N/A

2. Enter interface view.

interface interface-type interface-number

N/A

3. Enable IPv6 uRPF on the interface.

ipv6 urpf { loose | strict } [ allow-default-route ] [ acl acl-number ]

By default, IPv6 uRPF is disabled.

Support for the parameters depends on the device model.

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