You can configure 4-byte autonomous
system number (ASN) capability for a neighbor or peer-group.
Procedure
-
Access global configuration
mode.
device# configure terminal
-
Access BGP configuration mode.
device(config)# router bgp
-
Specify the autonomous system in which your device resides.
device(config-bgp-router)# local-as 1000
-
Enable 4-byte ASN capability for
a neighbor.
device(config-bgp-router)# neighbor 10.1.2.3 capability as4 enable
This example shows the neighbor command, the IP address of
the neighbor, and the capability as4 keywords.
Example
The following example summarizes the commands in this
procedure.
device# configure terminal
device(config)# router bgp
device(config-bgp-router)# local-as 1000
device(config-bgp-router)# neighbor 10.1.2.3 capability as4 enable
