neighbor capability as4
Enables or disables support for 4-byte autonomous system numbers (ASNs) at the neighbor
or peer-group level.
Syntax
neighbor
{
ip-address
|
ipv6-address
|
peer-group-name
}
capability
as4
[
disable
|
enable
]
no neighbor
{
ip-address
|
ipv6-address
|
peer-group-name
}
capability
as4
[
disable
|
enable
]
Command Default
4-byte ASNs are disabled by default.
Parameters
Modes
BGP configuration mode
Usage Guidelines
4-byte ASNs are first considered at the neighbor, then at the peer group, and finally at the global level.
The
disable keyword or the
no form of the command removes all neighbor capability for 4-byte ASNs.
History