User's Manual

34-4
4. Autonomic system path information access-list as-path
The autonomic system path information access-list as-path is only used in BGP. In the BGP routing
messages packet there is an autonomic system path field (in which autonomic system path the routing
messages passes through is recorded). As-path is specially for specifying matching conditions for
autonomic system path field.
As for relevant as-path configurations, please refer to the ip as-path command in BGP configuration.
5. community-list
Community-list is only for BGP. There is a community property field in the BGP routing messages packet for
identifying a community. The community list is for specifying matching conditions for Community-list field.
As for relevant Community-list configuration, please refer to the ip as-path command in BGP configuration
34.2.2 IP Routing Policy Configuration Task List
1． Define route-map
2． Define the match clause in route-map
3． Define the set clause in route-map
4． Define address prefix list
1. Define route-map
Command
Explanation
Global mode
route-map <map_name> {deny | permit}
<sequence_num>
no route-map <map_name> [{deny | permit}
<sequence_num>]
Configure route-map; the
no route-map
<map_name> [{deny |
permit}
<sequence_num>]
command deletes the
route-map.
2. Define the match clause in route-map
Command
Explanation
Route-map configuration mode
match as-path <list-name>
no match as-path [<list-name>]
Match the autonomous
system as path
access-list the BGP route
passes through; the no
match as-path
[<list-name>] command
deletes match condition.