3Com S7906E Command Reference Manual page 1523

undo ipv4-family vpn-instance vpn-instance-name
View
BGP view
Default Level
2: System level
Parameters
vpn-instance vpn-instance-name: Associates a VPN instance with an IPv4 address family and enters
BGP VPN instance view. The vpn-instance-name argument is a string of 1 to 31 characters.
Description
Use the ipv4-family command to enter BGP-VPN instance view.
Use the undo ipv4-family command to remove all the configurations performed in either of the two
views.
Before entering BGP VPN instance view, make sure the corresponding VPN instance is created.
Examples
# Enter BGP-VPN instance view.
<Sysname> system-view
[Sysname] bgp 100
[Sysname] ipv4-family vpn-instance vpn1
[Sysname-bgp-vpn1]
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-VPN instance view
Default Level
2: System level
Parameters
group-name: Name of the peer group, a case-sensitive 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-loop command 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.
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