ipv6 nd router-preference

Use ipv6 nd router-preference to set a router preference in RA messages.

Use undo ipv6 nd router-preference to restore the default.

Syntax

ipv6 nd router-preference { high | low | medium }

undo ipv6 nd router-preference

Default

The router preference is medium.

Views

Interface view

Predefined user roles

network-admin

Parameters

high: Sets the router preference to the highest setting.

low: Sets the router preference to the lowest setting.

medium: Sets the router preference to the medium setting.

Usage guidelines

A hosts selects a router with the highest preference as the default router.

When router preferences are the same in RA messages, a host selects the router corresponding to the first received RA message as the default gateway.

Examples

# Set the router preference in RA messages to the highest on VLAN-interface 100.

<Sysname> system-view
[Sysname] interface vlan-interface 100
[Sysname-Vlan-interface100] ipv6 nd router-preference high