router bgp 65000
  neighbor 192.168.255.2 remote-as 1000
  neighbor 192.168.255.2 timers 3 10
  neighbor 192.168.255.2 local-as 500
  address-family ipv4 unicast
    redistribute connected
    neighbor 192.168.255.2 route-map outgoing out
!
ip prefix-list peer-out permit 172.16.255.254/32
route-map outgoing permit 10
  match ip address prefix-list peer-out
!
