router bgp 65002
 no bgp ebgp-requires-policy
 neighbor 192.168.1.1 remote-as external
 address-family ipv4 unicast
  neighbor 192.168.1.1 capability orf prefix-list both
  neighbor 192.168.1.1 prefix-list r1 in
 exit-address-family
!
ip prefix-list r1 seq 5 permit 10.10.10.1/32