3com S7906E Installation Instruction

Page of 2621
 
1-8 
Configuration Prerequisites 
Before the configuration, accomplish the following tasks: 
Enable IPv6 
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: 
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 
— 
Set the default local preference  default local-preference value
Optional 
By default, the default local 
preference is 100. 
 
Configuring the MED Attribute 
Follow these steps to configure the MED attribute: 
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 a default MED value  default med med-value 
Optional 
By default, the default 
med-value is 0.