router bgp 65500
 bgp router-id 192.0.2.11
 no bgp network import-check
 neighbor 192.0.2.100 remote-as 65500
 address-family ipv4 unicast
  network 172.31.0.11/32
  network 172.31.0.111/32
  network 172.31.0.20/32
 exit-address-family
!