R4#sh run | b vrf
ip vrf ToCR1
 rd 1000:1
 route-target export 1000:1
 route-target import 1000:1
!
ip vrf ToR3
 rd 100:1
 route-target export 100:1
 route-target export 1000:1
 route-target import 100:1
 route-target import 1000:1
!
!
interface Loopback0
 ip vrf forwarding ToR3
 ip address 4.4.4.4 255.255.255.255
!
interface Loopback99
 ip vrf forwarding ToR3
 ip address 40.1.1.1 255.0.0.0
!
interface FastEthernet0/0
 ip vrf forwarding ToR3
 ip address 17.80.1.2 255.255.255.0
 duplex auto
 speed auto
!
interface ATM1/0
 ip vrf forwarding ToCR1
 ip address 192.10.32.2 255.255.255.0
 no atm ilmi-keepalive
 pvc 0/72
  protocol ip 192.10.32.254 broadcast
 !
!
router bgp 65004
 no synchronization
 bgp router-id 4.4.4.4
 bgp log-neighbor-changes
 bgp confederation identifier 100
 bgp confederation peers 65002 65003
 no auto-summary
 !
 address-family ipv4 vrf ToR3
 neighbor 17.80.1.1 remote-as 65003
 neighbor 17.80.1.1 activate
 neighbor 17.80.1.1 next-hop-self
 neighbor 17.80.1.1 route-map FromR3 in
 no auto-summary
 no synchronization
 network 4.4.4.4 mask 255.255.255.255
 network 17.80.1.0 mask 255.255.255.0
 network 40.0.0.0
 aggregate-address 17.80.0.0 255.255.254.0
 exit-address-family
 !
 address-family ipv4 vrf ToCR1
 neighbor 192.10.32.254 remote-as 1000
 neighbor 192.10.32.254 local-as 2 no-prepend
 neighbor 192.10.32.254 activate
 neighbor 192.10.32.254 route-map NoRoutes out
 no auto-summary
 no synchronization
 exit-address-family
!