Configuring mbgp route attributes, Prerequisites, Configuring mbgp route preferences – H3C Technologies H3C S7500E Series Switches User Manual

Page 243: Configuring the default local preference, Configuring mbgp, Route attributes

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8-9

To do…

Use the command…

Remarks

Configure BGP route dampening

parameters

dampening [ half-life-reachable

half-life-unreachable reuse

suppress ceiling | route-policy

route-policy-name ] *

Required

Not configured by default

Configuring MBGP Route Attributes

You can modify MBGP route attributes to affect route selection.

Prerequisites

Before configuring this task, you need to configure MBGP basic functions.

Configuring MBGP Route Preferences

You can reference a route policy to set preferences for routes matching it. Routes not matching it use

the default preferences.

Follow these steps to configure MBGP route preferences:

To do…

Use the command…

Remarks

Enter system view

system-view

Enter BGP view

bgp as-number

Enter IPv4 MBGP address family

view

ipv4-family multicast

Configure preferences for external,

internal, local MBGP routes

preference { external-preference

internal-preference

local-preference | route-policy

route-policy-name }

Optional

The default preferences of

multicast MBGP eBGP, MBGP

iBGP, and local MBGP routes are

255, 255, and 130 respectively.

Configuring the Default Local Preference

Follow these steps to configure the default local preference:

To do…

Use the command…

Remarks

Enter system view

system-view

Enter BGP view

bgp as-number

Enter IPv4 MBGP address family

view

ipv4-family multicast

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