!
!debug bgp conditional-advertisement
!debug bgp updates
!
int r2-eth0
 ip address 192.168.1.2/24
!
int r2-eth1
 ip address 192.168.2.2/24
!
router bgp 65000
 no bgp ebgp-requires-policy
 bgp conditional-advertisement timer 5
 neighbor 192.168.1.1 remote-as internal
 neighbor 192.168.1.1 timers 1 3
 neighbor 192.168.1.1 timers connect 1
 neighbor 192.168.2.1 remote-as internal
 neighbor 192.168.2.1 timers 1 3
 neighbor 192.168.2.1 timers connect 1
 address-family ipv4 unicast
  redistribute static
  neighbor 192.168.1.1 advertise-map advertise-map exist-map exist-map
  neighbor 192.168.1.1 route-map deny-all out
 exit-address-family
!
ip route 10.10.10.1/32 r2-eth0
ip route 10.10.10.2/32 r2-eth0
!
ip prefix-list default seq 5 permit 0.0.0.0/0
ip prefix-list advertise seq 5 permit 10.10.10.1/32
!
route-map deny-all deny 10
!
route-map exist-map permit 10
 match ip address prefix-list default
!
route-map advertise-map permit 10
 match ip address prefix-list advertise
 set community 65000:1
!
