!
 hostname PE3
 !
 ip cef
 no ip domain lookup
 !
 !
 ip vrf CUST
  rd 1:10
  route-target export 10:10
  route-target import 10:10
 !
 !
 !
 !
 interface Loopback0
  ip address 1.1.1.3 255.255.255.255
  ip ospf network point-to-point
 !
 interface Ethernet0/0
  ip address 192.168.30.2 255.255.255.0
  full-duplex
  mpls ip
 !
 interface Ethernet0/1
  ip vrf forwarding CUST
  ip address 192.168.31.1 255.255.255.0
  full-duplex
 !
 router ospf 10
  log-adjacency-changes
  network 1.1.1.3 0.0.0.0 area 0
  network 192.168.30.2 0.0.0.0 area 0
 !
 router bgp 65100
  no bgp default ipv4-unicast
  bgp log-neighbor-changes
  neighbor 1.1.1.1 remote-as 65100
  neighbor 1.1.1.1 update-source Loopback0
  neighbor 1.1.1.2 remote-as 65100
  neighbor 1.1.1.2 update-source Loopback0
  neighbor 1.1.1.4 remote-as 65100
  neighbor 1.1.1.4 update-source Loopback0
  !
  address-family vpnv4
   neighbor 1.1.1.1 activate
   neighbor 1.1.1.1 send-community both
   neighbor 1.1.1.2 activate
   neighbor 1.1.1.2 send-community both
   neighbor 1.1.1.4 activate
   neighbor 1.1.1.4 send-community both
  exit-address-family
  !
  address-family ipv4 vrf CUST
   redistribute static
   no synchronization
  exit-address-family
 !
 ip route vrf CUST 10.3.0.0 255.255.255.0 192.168.31.2
 !
 !
 !
 !
 mpls ldp router-id Loopback0
 !
 end

!
 hostname PE4
 !
 ip cef
 no ip domain lookup
 !
 !
 ip vrf CUST
  rd 1:10
  route-target export 10:10
  route-target import 10:10
 !
 !
 !
 !
 interface Loopback0
  ip address 1.1.1.4 255.255.255.255
  ip ospf network point-to-point
 !
 interface Ethernet0/0
  ip address 192.168.40.2 255.255.255.0
  full-duplex
  mpls ip
 !
 interface Ethernet0/1
  ip vrf forwarding CUST
  ip address 192.168.41.1 255.255.255.0
  full-duplex
 !
 router ospf 10
  log-adjacency-changes
  network 1.1.1.4 0.0.0.0 area 0
  network 192.168.40.2 0.0.0.0 area 0
 !
 router bgp 65100
  no bgp default ipv4-unicast
  bgp log-neighbor-changes
  neighbor 1.1.1.1 remote-as 65100
  neighbor 1.1.1.1 update-source Loopback0
  neighbor 1.1.1.2 remote-as 65100
  neighbor 1.1.1.2 update-source Loopback0
  neighbor 1.1.1.3 remote-as 65100
  neighbor 1.1.1.3 update-source Loopback0
  !
  address-family vpnv4
   neighbor 1.1.1.1 activate
   neighbor 1.1.1.1 send-community both
   neighbor 1.1.1.2 activate
   neighbor 1.1.1.2 send-community both
   neighbor 1.1.1.3 activate
   neighbor 1.1.1.3 send-community both
  exit-address-family
  !
  address-family ipv4 vrf CUST
   redistribute static
   no synchronization
  exit-address-family
 !
 ip route vrf CUST 10.4.0.0 255.255.255.0 192.168.41.2
 !
 !
 !
 !
 mpls ldp router-id Loopback0
 !
 end

!
 hostname P1
 !
 ip cef
 no ip domain lookup
 !
 !
 !
 !
 interface Ethernet0/0
  ip address 192.168.10.1 255.255.255.0
  full-duplex
  mpls ip
 !
 interface Ethernet0/1
  ip address 192.168.20.1 255.255.255.0
  full-duplex
  mpls ip
 !
 interface Ethernet0/2
  ip address 192.168.30.1 255.255.255.0
  full-duplex
  mpls ip
 !
 interface Ethernet0/3
  ip address 192.168.40.1 255.255.255.0
  full-duplex
  mpls ip
 !
 router ospf 10
  log-adjacency-changes
  network 192.168.10.1 0.0.0.0 area 0
  network 192.168.20.1 0.0.0.0 area 0
  network 192.168.30.1 0.0.0.0 area 0
  network 192.168.40.1 0.0.0.0 area 0
 !
 !
 !
 !
 mpls ldp router-id Loopback0
 !
 end