R2#sh run | b router
router bgp 100
 no synchronization
 bgp router-id 2.2.2.2
 bgp log-neighbor-changes
 bgp bestpath med missing-as-worst
 network 2.2.2.2 mask 255.255.255.255
 network 20.0.0.0
 network 180.40.7.0 mask 255.255.255.224
 neighbor 180.40.7.3 remote-as 100
 neighbor 180.40.7.3 next-hop-self
 neighbor 180.40.7.3 route-map FromR3 in
 neighbor 180.40.7.66 remote-as 300
 neighbor 180.40.7.66 route-map Prob3a in
 neighbor 180.40.7.130 remote-as 300
 neighbor 180.40.7.130 route-map Prob3b in
 neighbor 208.28.1.130 remote-as 200
 neighbor 208.28.1.130 route-map Prob2 in
 no auto-summary
!
route-map FromR3 permit 10
 set ip next-hop peer-address
!


R3#sh run | b router
router bgp 100
 no synchronization
 bgp router-id 3.3.3.3
 bgp log-neighbor-changes
 bgp bestpath med missing-as-worst
 network 3.3.3.3 mask 255.255.255.255
 network 30.0.0.0
 neighbor InAS100 peer-group
 neighbor InAS100 remote-as 100
 neighbor InAS100 route-reflector-client
 neighbor 17.80.1.2 peer-group InAS100
 neighbor 180.40.7.2 peer-group InAS100
 neighbor 208.28.1.1 remote-as 300
 no auto-summary
!


R4#sh run | b router
router bgp 100
 no synchronization
 bgp router-id 4.4.4.4
 bgp log-neighbor-changes
 network 4.4.4.4 mask 255.255.255.255
 network 17.80.1.0 mask 255.255.255.0
 network 40.0.0.0
 neighbor 17.80.1.1 remote-as 100
 neighbor 17.80.1.1 route-map FromR3 in
 no auto-summary
!
no ip http server
no ip http secure-server
ip classless
!
!
!
route-map FromR3 permit 10
 set ip next-hop peer-address
!
!