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
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: