!
router bgp 65001
  timers bgp 3 9
  no bgp ebgp-requires-policy
  neighbor r1-eth0 interface remote-as external
  address-family ipv4 unicast
    redistribute connected
    neighbor r1-eth0 route-map r2 out
  exit-address-family
 !
!
route-map r2 permit 10
  set community blackhole
!