H3C Technologies H3C S12500 Series Switches - Manual (Page 454)

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Configuring IPv6 MBGP route dampening
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter BGP view. bgp as-number N/A
3. Enter IPv6 MBGP address
family view.
ipv6-family multicast N/A
4. 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 the following:
• IPv6 MBGP protocol preference
• Default LOCAL_PREF attribute
• MED attribute
• NEXT_HOP attribute
• AS_PATH attribute
Configuration prerequisites
Before you configure IPv6 MBGP route attributes, complete the following tasks:
• Enable IPv6.
• Configure basic IPv6 MBGP functions.
Configuring IPv6 MBGP route preferences
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter BGP view. bgp as-number N/A
3. Enter IPv6 MBGP address
family view.
ipv6-family multicast N/A
4. Configure preferences for
external, internal, and 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.