Router B

router bgp XXXXX
 no synchronization
 bgp router-id X.X.X.3
 bgp log-neighbor-changes
 network X.X.X.0 mask 255.255.255.0
 neighbor Internal peer-group
 neighbor Internal remote-as XXXXX
 neighbor Internal next-hop-self
 neighbor X.X.X.49 remote-as XXXX
 neighbor X.X.X.49 send-community
 neighbor X.X.X.49 distribute-list 10 in
 neighbor X.X.X.49 prefix-list ASXXXXX out
 neighbor X.X.X.49 route-map PROVIDERB-IN in
 neighbor X.X.X.49 route-map PROVIDERB-OUT out
 neighbor X.X.X.49 filter-list 100 out
 neighbor 192.168.0.1 peer-group Internal
 neighbor 192.168.0.1 description C3725-A
 no auto-summary

ip bgp-community new-format
ip as-path access-list 100 permit ^(XXXXX_)*$

ip prefix-list ASXXXXX permit X.X.X.0/24

ip route 0.0.0.0 0.0.0.0 Multilink1 252
ip route 0.0.0.0 0.0.0.0 X.X.X.1 253

route-map PROVIDERB-IN permit 10
 set local-preference 90
 set as-path prepend XXXXX
!
route-map PROVIDERB-OUT permit 10
 set community XXXX:1300 XXXX:1507

Router A

router bgp XXXXX
 no synchronization
 bgp router-id X.X.X.2
 bgp log-neighbor-changes
 network X.X.X.0 mask 255.255.255.0
 neighbor Internal peer-group
 neighbor Internal remote-as XXXXX
 neighbor Internal next-hop-self
 neighbor X.X.X.197 remote-as XXX
 neighbor X.X.X.197 prefix-list ASXXXXX out
 neighbor X.X.X.197 route-map XXXXX-ds3-in in
 neighbor X.X.X.197 route-map XXXXX-ds3-out out
 neighbor X.X.X.197 filter-list 100 out
 neighbor 192.168.0.2 peer-group Internal
 neighbor 192.168.0.2 description C3725-B
 no auto-summary

ip route 0.0.0.0 0.0.0.0 Serial1/0 251
ip route 0.0.0.0 0.0.0.0 X.X.X.3 252

ip bgp-community new-format
ip as-path access-list 100 permit ^(XXXXX_)*$
!
ip prefix-list ASXXXXX permit 65.240.66.0/24

route-map XXXXX-ds3-in permit 10
 set metric 10
 set local-preference 110
!
route-map XXXXX-ds3-out permit 10