350
Examples
# In BGP view, enable BGP route refresh for peer 1.1.1.1.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] peer 1.1.1.1 as-number 100
[Sysname-bgp] peer 1.1.1.1 capability-advertise route-refresh
# In BGP-VPN instance view, enable BGP route refresh for peer 1::1.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ip vpn-instance vpn1
[Sysname-bgp-vpn1] peer 1::1 as-number 200
[Sysname-bgp-vpn1] peer 1::1 capability-advertise route-refresh
Related commands
•
display bgp peer
•
peer capability-advertise conventional
•
peer keep-all-routes
•
refresh bgp ipv4 unicast
•
refresh bgp ipv6 unicast
peer capability-advertise suppress-4-byte-as
Use
peer capability-advertise suppress-4-byte-as
to enable 4-byte AS number suppression.
Use
undo peer capability-advertise suppress-4-byte-as
to disable the function.
Syntax
peer
{
group-name
|
ip-address
|
ipv6-address
}
capability-advertise suppress-4-byte-as
undo peer
{
group-name
|
ip-address
|
ipv6-address
}
capability-advertise suppress-4-byte-as
Default
The 4-byte AS number suppression function is disabled.
Views
BGP view, BGP-VPN instance view
Predefined user roles
network-admin
Parameters
group-name
: Specifies a peer group by its name, a case-sensitive string of 1 to 47 characters. The peer
group must have been created.
ip-address
: Specifies a peer by its IP address. The peer must have been created.
ipv6-address
: Specifies a peer by its IPv6 address. The peer must have been created.
Usage guidelines
BGP supports 4-byte AS numbers. The 4-byte AS number occupies four bytes, in the range of 1 to
4294967295. By default, a device sends an Open message to the peer device for session establishment.
The Open message indicates that the device supports 4-byte AS numbers. If the peer device supports
