!
router bgp 65001
 no bgp ebgp-requires-policy
 neighbor 192.168.1.2 remote-as external
 neighbor 192.168.1.2 timers 3 10
 address-family ipv4 unicast
  neighbor 192.168.1.2 route-map r2 in
 exit-address-family
!
ip prefix-list p1 seq 5 permit 172.16.255.31/32
!
bgp route-map delay-timer 1
route-map r2 permit 10
 match ip address prefix-list p1
 set as-path replace 65003
route-map r2 permit 20
 set as-path replace any
!
