3Com S7902E, Configuration Manual

Page: 1336 / 2621

1-8
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:
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.