Command Manual – MPLS 
Quidway S8500 Series Routing Switches  Chapter 2  BGP/MPLS VPN Configuration Commands
 
Huawei Technologies Proprietary 
2-28 
View 
VPNv4 subaddress family view, VPN-instance subaddress family view  
Parameter 
group-name: Name of a neighbor peer group, consisting of 1 to 47 alphanumeric 
characters. 
acl-number: AS regular expression ACL number, ranging 1 to 199.  
Description 
Use the peer as-path-acl export command to apply the routing filtering policy based 
on AS path list to the advertised routing information. 
Use the undo peer as-path-acl export command to cancel the configuration.  
By default, there is no filtering policy based on AS path list.  
You can only use the peer as-path-acl export command in the peer group.  
Related command: peer as-path-acl import.  
Example 
# Configure the test peer group to filter the advertised routing information with the AS 
path ACL 3.  
[Quidway-bgp] ipv4-family vpnv4 
[Quidway-bgp-af-vpn] peer test as-path-acl 3 export 
2.1.31  peer as-path-acl import 
Syntax 
peer { group-name | peer-address } as-path-acl acl-number import 
undo peer { group-name | peer-address } as-path-acl acl-number import 
View 
VPNv4 subaddress family view, VPN-instance subaddress family view  
Parameter 
group-name: Name of a neighbor peer group, consisting of 1 to 47 alphanumeric 
characters. 
peer-address: IP address of the peer group in dotted decimal format.  
acl-number: AS regular expression ACL number, ranging 1 to 199.  
import: Filters the received routes with AS path list.