3Com MSR 30, MSR 50 manual Peer allow-as-loop, Peer as-path-acl BGP-VPNv4 subaddress family view

1698 CHAPTER 98: MPLS L3VPN CONFIGURATION COMMANDS

<Sysname> system-view

[Sysname] bgp 100

[Sysname] ipv4-family vpnv4

[Sysname-bgp-af-vpnv4] peer 3.3.3.3 advertise-community

peer allow-as-loop

Syntax peer { group-name ip-address } allow-as-loop[ number ]

undo peer { group-name ip-address } allow-as-loop

View BGP-VPNv4 subaddress family view/BGP-L2VPN address family view

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

ip-address: IP address of the peer.

number: Maximum number that the local AS number can appear repeatedly in the AS-PATH attribute. It ranges from 1 to 10 and defaults to 1.

Description Use the peer allow-as-loopcommand to allow the local AS number to appear in the AS-PATH attribute of a received route and to set the allowed maximum number of repetitions.

Use the undo peer allow-as-loopcommand to remove the configuration.

Example # In BGP-VPNv4 subaddress family view, allow the local AS number to appear repeatedly in the AS-PATH attribute of a route received from peer 1.1.1.1 for up to twice.

<Sysname> system-view

[Sysname] bgp 100

[Sysname] ipv4-family vpnv4

[Sysname-bgp-af-vpnv4] peer 1.1.1.1 allow-as-loop 2

#In BGP-L2VPN address family view, allow the local AS number to appear repeatedly in the AS-PATH attribute of a route received from peer 1.1.1.1 for up to twice.

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] l2vpn-family

[Sysname-bgp-af-l2vpn] peer 1.1.1.1 allow-as-loop 2

peer as-path-acl (BGP-VPNv4 subaddress family view)

Syntax peer { group-name ip-address } as-path-aclaspath-filter-number { import export }

undo peer { group-name ip-address } as-path-aclaspath-filter-number { import export }