router bgp 65000
  no bgp ebgp-requires-policy
  neighbor 192.168.255.2 remote-as 65001
  neighbor 192.168.255.2 timers 3 10
  address-family ipv4 unicast
    redistribute connected
    aggregate-address 172.16.255.0/24 route-map aggr-rmap
  exit-address-family
!
route-map aggr-rmap permit 10
  set metric 123
!