R2#sh run | b router bgp
router bgp 230
 no synchronization
 bgp router-id 2.2.2.2
 bgp log-neighbor-changes
 neighbor 2005:0:102:0:20A:41FF:FECF:5980 remote-as 140
 neighbor 2005:0:237:0:213:60FF:FE33:3E00 remote-as 230
 neighbor 2005:0:702:0:213:7FFF:FE12:A540 remote-as 700
 neighbor 2005:0:1203:0:213:60FF:FE33:3E00 remote-as 230
 no auto-summary

 address-family ipv6
 neighbor 2005:0:102:0:20A:41FF:FECF:5980 activate
 neighbor 2005:0:237:0:213:60FF:FE33:3E00 activate
 neighbor 2005:0:702:0:213:7FFF:FE12:A540 activate
 neighbor 2005:0:702:0:213:7FFF:FE12:A540 route-map Prob10 out
 neighbor 2005:0:1203:0:213:60FF:FE33:3E00 activate
 network 2000:2:2::/64
 network 2005:0:102::/64
 network 2005:0:1203::/64
 exit-address-family
 !
s
!
ip as-path access-list 1 permit ^$
!

!
ipv6 prefix-list Prob10 seq 5 permit 2000::/16 ge 64 le 64
route-map Prob10 permit 10
 match ipv6 address prefix-list Prob10
 match as-path 1
 set as-path prepend 230 230 230 230
!
route-map Prob10 permit 20
!


R3#sh run | b router bgp
router bgp 230
 no synchronization
 bgp router-id 3.3.3.3
 bgp log-neighbor-changes
 neighbor 2005:0:237:0:213:7FFF:FE07:540 remote-as 230
 neighbor 2005:0:237:0:213:7FFF:FE12:A540 remote-as 700
 neighbor 2005:0:1203:0:213:7FFF:FE07:540 remote-as 230
 no auto-summary
!
 address-family ipv6
 neighbor 2005:0:237:0:213:7FFF:FE07:540 activate
 neighbor 2005:0:237:0:213:7FFF:FE12:A540 activate
 neighbor 2005:0:237:0:213:7FFF:FE12:A540 route-map Prob10 out
 neighbor 2005:0:1203:0:213:7FFF:FE07:540 activate
 network 2000:3:3::/64
 exit-address-family
!
!
ipv6 prefix-list Prob10 seq 5 permit 2000::/16 ge 64 le 64
route-map Prob10 permit 10
 match ipv6 address prefix-list Prob10
 match as-path 1
 set as-path prepend 230 230 230 230
!
route-map Prob10 permit 20
!