preference

Use preference to configure the preference for IPv6 IS-IS.

Use undo preference to restore the default.

Syntax

preference { preference | route-policy route-policy-name } *

undo preference

Default

The preference for IPv6 IS-IS is 15.

Views

IS-IS IPv6 unicast address family view

Predefined user roles

network-admin

Parameters

preference: Specifies a preference for IPv6 IS-IS, in the range of 1 to 255.

route-policy route-policy-name: Specifies a routing policy by its name, a case-sensitive string of 1 to 63 characters.

Usage guidelines

If multiple dynamic routing protocols find routes to the same destination, the route found by the protocol with the highest preference is selected as the optimal route.

Examples

# Set the preference for IPv6 IS-IS to 20.

<Sysname> system-view
[Sysname] isis 1
[Sysname-isis-1] address-family ipv6
[Sysname-isis-1-ipv6] preference 20