!
int r2-eth0
 ip address 192.168.137.60/24
!
router bgp 65600
 bgp router-id 192.168.137.60
 no bgp ebgp-requires-policy
 no bgp enforce-first-as
 neighbor 192.168.137.1 remote-as 65000
 !
 address-family ipv4 unicast
  neighbor 192.168.137.1 disable-addpath-rx
  neighbor 192.168.137.1 prefix-list out out
 exit-address-family
!
exit
!
ip prefix-list out seq 100 deny any
!
