R7#sh run | b router bgp
router bgp 700
 no synchronization
 bgp router-id 7.7.7.7
 bgp log-neighbor-changes
 neighbor 2005:0:237:0:213:60FF:FE33:3E00 remote-as 230
 neighbor 2005:0:702:0:213:7FFF:FE07:540 remote-as 230
 neighbor 2005:17:17::1 remote-as 140
 no auto-summary
 !
 address-family ipv6
 neighbor 2005:0:237:0:213:60FF:FE33:3E00 activate
 neighbor 2005:0:702:0:213:7FFF:FE07:540 activate
 neighbor 2005:0:702:0:213:7FFF:FE07:540 route-map Prob9 in
 neighbor 2005:17:17::1 activate
 network 2000:7:7::/64
 network 2005:0:237::/64
 network 2005:0:702::/64
 network 2005:17:17::/64
 exit-address-family

!
ipv6 prefix-list Prob9 seq 5 permit 2000:4:4::/64
route-map Prob9 permit 10
 match ipv6 address prefix-list Prob9
 set local-preference 5555
!
route-map Prob9 permit 20
!