456 
Ste
  Command  Remarks 
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: 
•  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 
 
Ste
  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, 
respectively.
 
 
Configuring the default local preference