hostname dev1
!
interface Loopback0
 ip address 10.99.1.1 255.255.255.0
 no shutdown
!
interface GigabitEthernet0/1
 ip address 10.12.0.1 255.255.255.0
 no shutdown
!
router bgp 100
 bgp router-id 10.99.1.1
 network 10.99.1.0 mask 255.255.255.0
 neighbor 10.12.0.2 remote-as 300
!
end