R4#sh run | b bgp router bgp 100 no synchronization bgp router-id 4.4.4.4 bgp log-neighbor-changes network 17.80.1.0 mask 255.255.255.0 network 40.0.0.0 aggregate-address 17.80.0.0 255.255.254.0 neighbor 17.80.1.1 remote-as 100 neighbor 17.80.1.1 next-hop-self neighbor 17.80.1.1 route-map ToR3 in neighbor 192.10.32.254 remote-as 1000 neighbor 192.10.32.254 local-as 14 no-prepend neighbor 192.10.32.254 route-map Null out no auto-summary !