3com MSR 20-20 참조 매뉴얼

BGP-VPNv4 subaddress family view

group-name: Name of the peer group, a string of 1 to 47 characters.

ip-address: IP address of the peer.

aspath-acl-number: AS_PATH filtering list number, in the range 1 to 256.

import: Filters the received routes.

export: Filters the routes to be advertised.

Use the peer as-path-acl command to specify to filter routes received from or to 
be advertised to a specified peer or peer group based on an AS_PATH list.

Use the undo peer as-path-acl command to remove the configuration.

By default, no AS filtering list is applied to a peer or peer group.

# In BGP-VPNv4 subaddress family view, apply AS filtering list 3 to routes 
advertised by peer group test.

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] ipv4-family vpnv4

[Sysname-bgp-af-vpnv4] peer test as-path-acl 3 export 

peer { group-name | ip-address } default-route-advertise vpn-instance 
vpn-instance-name

undo peer { group-name | ip-address } default-route-advertise vpn-instance 
vpn-instance-name

BGP-VPNv4 subaddress family view

group-name: Name of the peer group, a string of 1 to 47 characters.

ip-address: IP address of the peer.

vpn-instance-name: Name of the VPN instance, a string of 1 to 31 characters.

Use the peer default-route-advertise vpn-instance command to specify to 
advertise all default routes of a VPN instance to a peer or peer group.

Use the undo peer default-route-advertise vpn-instance command to 
remove the configuration.

By default, no default route is advertised to a peer or peer group.