interface loopback 0
 ip address <RouterX>/32
!
interface serial 0/0
 ip address <ser0/0>/30
 ip ospf message-digest key 1 md5 afnog
!
interface ethernet 0/0
 shutdown
!
interface serial 0/1
 ip address <ser0/1>/30
 ip ospf message-digest key 1 md5 afnog
!
interface ethernet 0/1
 ip address <eth0/1>/30
!
router ospf 1
 log-adjacency-changes
 passive-interface default
 no passive-interface serial 0/0
 no passive-interface serial 0/1
 network <loop0>/32 area 0
 network <ser0/0>/30 area 0
 network <ser0/1>/30 area 0
 area 0 authentication message-digest
!
router bgp 100
 log-neighbor-changes
 network <eth0/1>/30
 neighbor 81.199.108.81 remote-as 100
 neighbor 81.199.108.81 update-source loopback 0
 neighbor 81.199.108.82 remote-as 100
 neighbor 81.199.108.82 update-source loopback 0
 neighbor 81.199.108.83 remote-as 100
 neighbor 81.199.108.83 update-source loopback 0
 neighbor 81.199.108.84 remote-as 100
 neighbor 81.199.108.84 update-source loopback 0
 neighbor 81.199.108.85 remote-as 100
 neighbor 81.199.108.85 update-source loopback 0
 neighbor 81.199.108.86 remote-as 100
 neighbor 81.199.108.86 update-source loopback 0
 neighbor 81.199.108.87 remote-as 100
 neighbor 81.199.108.87 update-source loopback 0
 neighbor 81.199.108.88 remote-as 100
 neighbor 81.199.108.88 update-source loopback 0
 neighbor 81.199.108.89 remote-as 100
 neighbor 81.199.108.89 update-source loopback 0
 neighbor 81.199.108.90 remote-as 100
 neighbor 81.199.108.90 update-source loopback 0
 no auto-summary
 no synchronization
!
ip route <eth0/1>/30 null0 250
!