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Configuring ipv6 mbgp route attributes, Configuration prerequisites, Configuring ipv6 mbgp route preferences – H3C Technologies H3C S7500E Series Switches User Manual

Page 411: Configuring the default local preference, Configuring ipv6 mbgp route, Attributes

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14-9

To do…

Use the command…

Remarks

Configure IPv6 MBGP route

dampening parameters

dampening [ half-life-reachable

half-life-unreachable reuse

suppress ceiling | route-policy

route-policy-name ]*

Optional

Not configured by default

Configuring IPv6 MBGP Route Attributes

This section describes how to use IPv6 MBGP route attributes to affect IPv6 MBGP route

selection. IPv6 MBGP route attributes involve:

z

IPv6 MBGP protocol preference

z

Default LOCAL_PREF attribute

z

MED attribute

z

NEXT_HOP attribute

z

AS_PATH attribute

Configuration Prerequisites

Before the configuration, accomplish the following tasks:

z

Enable IPv6

z

Configure the IPv6 MBGP basic functions

Configuring IPv6 MBGP Route Preferences

Follow these steps to configure IPv6 MBGP route preferences:

To do…

Use the command…

Remarks

Enter system view

system-view

Enter BGP view

bgp as-number

Enter IPv6 MBGP address

family view

ipv6-family multicast

Configure preferences for

external, internal, local IPv6

MBGP routes

preference

{ external-preference

internal-preference

local-preference | route-policy

route-policy-name }

Optional

The default preference values of

external, internal and local

routes are 255, 255, and 130,

respectively.

Configuring the Default Local Preference

Follow these steps to configure the default local preference: