Sh run int lo0
interface Loopback0
 ip address 192.168.0.4 255.255.255.255
end


sh run | s bgp

router bgp 65234
 bgp router-id 4.4.4.4
 bgp log-neighbor-changes
 no bgp default ipv4-unicast
 neighbor 192.168.0.3 remote-as 65234
 neighbor 192.168.0.3 update-source Loopback0
 !
 address-family ipv4
  network 192.168.0.4 mask 255.255.255.255
  neighbor 192.168.0.3 activate
 exit-address-family

sh version
Cisco IOS Software, IOSv Software (VIOS-ADVENTERPRISEK9-M), Version 15.6(2)T