BGP Globally Unique (public) AS# Range 1-64511
BGP Private AS# Range 64512 – 65535
router bgp (as can’t be previously used)
router bgp 650002
bgp router-id 1.1.1.1
neighbor 10.1.2.2 remote-as 65002
then configure on the other
next router
router bgp 65002
bgp router-id 2.2.2.2
neighbor 10.1.2.1 remote-as 65001
neighbor 10.2.3.2 remote-as 65002
verify
sh ip bgp sum
