6-43
Description
Use the
peer allow-as-loop
command to allow the local AS number to exist in the AS_PATH attribute
of routes from a peer/peer group, and to configure the number of times the local AS number can
appear.
Use the
undo peer allow-as-loop
command to remove the configuration.
By default, the local AS number is not allowed in routes from a peer/peer group.
Related commands:
display bgp routing-table peer
.
Examples
# In BGP view, configure the number of times the local AS number can appear in AS-path attribute of
routes from peer 1.1.1.1 as 2.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] peer 1.1.1.1 allow-as-loop 2
# In BGP-VPN instance view, configure the number of times for which the local AS number can appear
in AS-path attribute of routes from peer 1.1.1.1 as 2 (the VPN has been created).
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ipv4-family vpn-instance vpn1
[Sysname-bgp-vpn1] peer 1.1.1.1 allow-as-loop 2
peer as-number (BGP/BGP-VPN instance view)
Syntax
peer
{
group-name
|
ip-address
}
as-number
as-number
undo peer
group-name as-number
undo peer
ip-address
View
BGP view, BGP-VPN instance view
Default Level
2: System level
Parameters
group-name
: Name of a peer group, a string of 1 to 47 characters.
ip-address
: IP address of a peer.
as-number
: AS number of the peer or peer group, in the range 1 to 4294967295.
Description
Use the
peer
{
group-name
|
ip-address
}
as-number
as-number
command to specify a peer/peer
group with an AS number.
Use the
undo peer
group-name as-number
command to delete a peer group.
Use the
undo peer
ip-address
command to delete a peer.
By default, no peer or peer group is specified.
You can specify the AS number of a peer in either of the following two ways: