Topology:

[CE1]---[PE1]---[PE2]---[CE2]
     s s     e e     s s  


Configuration:

CE1#sh ru
Building configuration...

Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
service udp-small-servers
service tcp-small-servers
!
hostname CE1
!
enable password cisco
!
ip subnet-zero
!
!
process-max-time 200
!
interface Loopback0
 ip address 192.168.101.1 255.255.255.0
 no ip directed-broadcast
!
!
interface Serial0
 ip address 192.168.1.2 255.255.255.0
 no ip directed-broadcast
 no ip route-cache
 no ip mroute-cache
 clockrate 4000000
!
!
router rip
 version 2
 redistribute static
 network 192.168.1.0
 network 192.168.101.0
!
no ip classless
!
!
end

//****************
PE1#sh ru
Building configuration...

Current configuration : 2912 bytes
!
version 12.1
no service single-slot-reload-enable
no service timestamps debug uptime
no service timestamps log uptime
service password-encryption
!
hostname PE1
!
boot system flash slot0:c7200-p-mz.121-5.T1.bin
enable password 7 121A0C041104
!
clock timezone TPE 8
ip subnet-zero
ip cef
!
!
no ip finger
!
!
ip vrf vrf101
 rd 1:101
 route-target export 1:101
 route-target import 1:101
call rsvp-sync
!
!
interface Loopback9
 ip address 11.11.11.11 255.255.255.255
!
interface FastEthernet1/1
 bandwidth 100000
 ip address 10.0.0.1 255.255.255.0
 duplex full
 tag-switching ip
!
interface Serial3/0
 ip vrf forwarding vrf101
 ip address 192.168.1.1 255.255.255.0
!
router ospf 9999
 log-adjacency-changes
 network 10.0.0.1 0.0.0.0 area 0
 network 11.11.11.11 0.0.0.0 area 0
 network 192.168.1.1 0.0.0.0 area 0
!
router rip
 version 2
 !
 address-family ipv4 vrf vrf101
 version 2
 redistribute bgp 1 metric 0
 network 192.168.1.0
 no auto-summary
 exit-address-family
!
router bgp 1
 no synchronization
 bgp log-neighbor-changes
 neighbor 12.12.12.12 remote-as 1
 neighbor 12.12.12.12 update-source Loopback9
 no auto-summary
 !
 address-family ipv4 vrf vrf101
 redistribute rip
 no auto-summary
 no synchronization
 exit-address-family
 !
 address-family vpnv4
 neighbor 12.12.12.12 activate
 neighbor 12.12.12.12 send-community extended
 no auto-summary
 exit-address-family
!
no ip classless
no ip http server
!
!
!
end


//*****************
PE2#sh ru
Building configuration...

Current configuration : 2418 bytes
!
version 12.1
no service single-slot-reload-enable
no service timestamps debug uptime
no service timestamps log uptime
no service password-encryption
!
hostname PE2
!
boot system slot0:c7200-p-mz.121-5.T1.bin
enable password cisco
!
clock timezone TPE 8
ip subnet-zero
ip cef
!
!
no ip finger
!
!
ip vrf vrf101
 rd 1:101
 route-target export 1:101
 route-target import 1:101
call rsvp-sync
!
!
interface Loopback9
 ip address 12.12.12.12 255.255.255.255
!
interface FastEthernet1/1
 bandwidth 100000
 ip address 10.0.0.2 255.255.255.0
 duplex full
 tag-switching ip
!

interface Serial3/0
 ip vrf forwarding vrf101
 ip address 192.168.2.1 255.255.255.0
 no ip route-cache cef
!
router ospf 9999
 log-adjacency-changes
 network 10.0.0.2 0.0.0.0 area 0
 network 12.12.12.12 0.0.0.0 area 0
 network 192.168.2.1 0.0.0.0 area 0
!
router rip
 version 2
 !
 address-family ipv4 vrf vrf101
 version 2
 redistribute bgp 1 metric 0
 network 192.168.2.0
 no auto-summary
 exit-address-family
!
router bgp 1
 no synchronization
 bgp log-neighbor-changes
 neighbor 11.11.11.11 remote-as 1
 neighbor 11.11.11.11 update-source Loopback9
 no auto-summary
 !
 address-family ipv4 vrf vrf101
 redistribute rip
 no auto-summary
 no synchronization
 exit-address-family
 !
 address-family vpnv4
 neighbor 11.11.11.11 activate
 neighbor 11.11.11.11 send-community extended
 no auto-summary
 exit-address-family
!
no ip classless
no ip http server
!
!
!
end


//*********

CE2#sh ru
Building configuration...

Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
service udp-small-servers
service tcp-small-servers
!
hostname CE2
!
enable password cisco
!
!
ip subnet-zero
!
!
interface Loopback0
 ip address 192.168.102.1 255.255.255.0
 no ip directed-broadcast
!
interface Serial0
 ip address 192.168.2.2 255.255.255.0
 no ip directed-broadcast
 no ip mroute-cache
 no fair-queue
 clockrate 4000000
!
!
router rip
 version 2
 redistribute static
 network 192.168.2.0
 network 192.168.102.0
!
no ip classless
no ip http server
!
!
end