Configuring Mbgp Route Dampening; Configuring Mbgp Route Attributes - 3Com S7906E Configuration Manual

To do...
Filter incoming routes using an
ACL or IP prefix list
Reference a route policy to
routes from an IPv4 MBGP
peer/peer group
Reference an ACL to filter
routing information from an
IPv4 MBGP peer/peer group
Reference an AS path ACL to
filter routing information from
an IPv4 MBGP peer/peer group
Reference an IP prefix list to
filter routing information from
an IPv4 MBGP peer/peer group
Specify the maximum number
of routes that can be received
from an IPv4 MBGP peer/peer
group
Members of a peer group can have different route reception filtering policies from the peer group.

Configuring MBGP Route Dampening

By configuring MBGP route dampening, you can suppress unstable routes from being added to the
MBGP routing table or being advertised to MBGP peers.
Follow these steps to configure BGP route dampening:
To do...
Enter system view
Enter BGP view
Enter IPv4 MBGP address
family view
Configure BGP route
dampening parameters

Configuring MBGP Route Attributes

You can modify MBGP route attributes to affect route selection.
Use the command...
filter-policy { acl-number |
ip-prefix ip-prefix-name }
import
peer { group-name |
ip-address } route-policy
policy-name import
peer { group-name |
ip-address } filter-policy
acl-number import
peer { group-name |
ip-address } as-path-acl
as-path-acl-number import
peer { group-name |
ip-address } ip-prefix
ip-prefix-name import
peer { group-name |
ip-address } route-limit limit
[ percentage ]
Use the command...
system-view
bgp as-number
ipv4-family multicast
dampening
[ half-life-reachable
half-life-unreachable reuse
suppress ceiling | route-policy
route-policy-name ] *
1-7
Remarks
At least one of these
approaches is required.
No inbound route filtering is
configured by default.
Optional
The number is unlimited by
default.
Remarks
—
—
—
Required
Not configured by default