3Com 7757 Configuration Manual page 359

c
Configuring BGP Route
Receiving Policy
Configuring the Way to Advertise/Receive Routing Information
Table 294 Configure the BGP route advertising policy
Operation
Filter the Specify an
routing ACL-based
information BGP route
to be filtering
advertised to policy for a
a peer group peer group
Specify an AS
path
ACL-based
BGP filtering
policy for a
peer group
IP
prefix-based
BGP route
filtering
policy for a
peer group
CAUTION:
Only the routes that pass the specified filter are advertised.
■
A peer group member uses the same outbound route filtering policy as that of
■
the peer group it belongs to. That is, a peer group adopts the same outbound
route filtering policy.
Table 295 Configure BGP route receiving policy
Operation
Enter system view
Enable BGP, and enter BGP
view
Filter the received global
routing information
Specify a route filtering
policy for routes coming
from a peer/peer group
Command
peer group-name
filter-policy acl-number
export
peer group-name
as-path-acl acl-number
export
peer group-name ip-prefix
ip-prefix-name export
Command
system-view
bgp as-number
filter-policy { acl-number |
ip-prefix ip-prefix-name }
import
peer { group-name |
ip-address } route-policy
policy-name import
Description
Required
By default, a peer group has no
peer group-based ACL BGP
route filtering policy, AS path
ACL-based BGP route filtering
policy, or IP prefix list-based
BGP route filtering policy
configured.
Description
-
Required
By default, BGP is disabled.
Required
By default, the received routing
information is not filtered.
Required
By default, no route filtering
policy is specified for a
peer/peer group.
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