ISP Connectioin Overview and Configuration of all Nodes

R1 Config

ip vrf one
 rd 1:1
 route-target export 1:1
 route-target import 1:1
!
interface Loopback0
 ip address 1.1.1.1 255.255.255.255
!
interface FastEthernet1/0
 ip address 192.168.12.1 255.255.255.0
 mpls ip
!
interface FastEthernet2/0
 ip vrf forwarding one
 ip address 192.168.14.1 255.255.255.0
 mpls ip
!
router ospf 2 vrf one
 log-adjacency-changes
 redistribute bgp 1 subnets
 network 192.168.14.1 0.0.0.0 area 0
!
router ospf 1
 log-adjacency-changes
 network 1.1.1.1 0.0.0.0 area 0
 network 192.168.12.1 0.0.0.0 area 0
 network 192.168.13.1 0.0.0.0 area 0
 mpls traffic-eng router-id Loopback0
 mpls traffic-eng area 0
!
router bgp 1
 no bgp default ipv4-unicast
 bgp log-neighbor-changes
 neighbor 3.3.3.3 remote-as 1
 neighbor 3.3.3.3 update-source Loopback0
 !
 address-family ipv4
  no synchronization
  no auto-summary
 exit-address-family
 !
 address-family vpnv4
  neighbor 3.3.3.3 activate
  neighbor 3.3.3.3 send-community extended
 exit-address-family
 !
 address-family ipv4 vrf one
  no synchronization
  redistribute ospf 2 vrf one
 exit-address-family

R2 Config

interface Loopback0
 ip address 2.2.2.2 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.12.2 255.255.255.0
 mpls ip
!
interface FastEthernet0/1
 ip address 192.168.23.2 255.255.255.0
 mpls ip
!
router ospf 1
 log-adjacency-changes
 network 2.2.2.2 0.0.0.0 area 0
 network 192.168.12.2 0.0.0.0 area 0
 network 192.168.23.2 0.0.0.0 area 0

R3 Config

ip vrf one
 rd 1:1
 route-target export 1:1
 route-target import 1:1
!
interface Loopback0
 ip address 3.3.3.3 255.255.255.255
!
interface FastEthernet1/1
 ip address 192.168.23.3 255.255.255.0
 speed auto
 duplex auto
 mpls ip
!
interface FastEthernet2/0
 ip vrf forwarding one
 ip address 192.168.36.3 255.255.255.0
 mpls bgp forwarding
!
router ospf 1
 log-adjacency-changes
 network 3.3.3.3 0.0.0.0 area 0
 network 192.168.13.3 0.0.0.0 area 0
 network 192.168.23.3 0.0.0.0 area 0
 mpls traffic-eng router-id Loopback0
 mpls traffic-eng area 0
!
router bgp 1
 no bgp default ipv4-unicast
 bgp log-neighbor-changes
 neighbor 1.1.1.1 remote-as 1
 neighbor 1.1.1.1 update-source Loopback0
 !
 address-family ipv4
  no synchronization
  no auto-summary
 exit-address-family
 !
 address-family vpnv4
  neighbor 1.1.1.1 activate
  neighbor 1.1.1.1 send-community extended
 exit-address-family
 !
 address-family ipv4 vrf one
  no synchronization
  neighbor 192.168.36.6 remote-as 2
  neighbor 192.168.36.6 activate
  neighbor 192.168.36.6 send-label
 exit-address-family

R4 Config

interface Loopback0
 ip address 4.4.4.4 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.14.4 255.255.255.0
 mpls ip
!
interface FastEthernet0/1
 ip address 192.168.45.4 255.255.255.0
 mpls ip
!
router ospf 1
 log-adjacency-changes
 network 4.4.4.4 0.0.0.0 area 0
 network 192.168.14.4 0.0.0.0 area 0
 network 192.168.45.4 0.0.0.0 area 0

R5 Config

ip vrf two
 rd 2:2
 route-target export 2:2
 route-target import 2:2
!
pseudowire-class AS3-AS4
 encapsulation mpls
!
interface Loopback0
 ip address 5.5.5.5 255.255.255.255
!
interface FastEthernet1/0
 ip address 192.168.45.5 255.255.255.0
 mpls ip
!
interface FastEthernet1/1
 xconnect 7.7.7.7 34 pw-class AS3-AS4
!
interface FastEthernet2/0
 ip vrf forwarding two
 ip address 192.168.155.5 255.255.255.0
!
router ospf 1
 log-adjacency-changes
 network 5.5.5.5 0.0.0.0 area 0
 network 192.168.45.5 0.0.0.0 area 0
!
router bgp 2
 no bgp default ipv4-unicast
 bgp log-neighbor-changes
 neighbor 7.7.7.7 remote-as 2
 neighbor 7.7.7.7 update-source Loopback0
 !
 address-family ipv4
  no synchronization
  no auto-summary
 exit-address-family
 !
 address-family vpnv4
  neighbor 7.7.7.7 activate
  neighbor 7.7.7.7 send-community extended
 exit-address-family
 !
 address-family ipv4 vrf two
  no synchronization
  redistribute connected
  redistribute static
 exit-address-family
!
ip route vrf two 15.15.15.15 255.255.255.255 192.168.155.15

R6 Config

interface Loopback0
 ip address 6.6.6.6 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.36.6 255.255.255.0
!
interface FastEthernet0/1
 ip address 192.168.67.6 255.255.255.0
 mpls ip
!
router ospf 1
 log-adjacency-changes
 redistribute bgp 2 subnets route-map AS2LOOPBACKS
 network 6.6.6.6 0.0.0.0 area 0
 network 192.168.67.6 0.0.0.0 area 0
!
router bgp 2
 bgp log-neighbor-changes
 neighbor 192.168.36.3 remote-as 1
 !
 address-family ipv4
  redistribute ospf 1 route-map AS2LOOPBACKS
  neighbor 192.168.36.3 activate
  neighbor 192.168.36.3 send-label
  no auto-summary
  no synchronization
 exit-address-family
!
ip prefix-list AS2LOOPBACKS seq 5 permit 4.4.4.4/32
ip prefix-list AS2LOOPBACKS seq 10 permit 5.5.5.5/32
ip prefix-list AS2LOOPBACKS seq 15 permit 6.6.6.6/32
ip prefix-list AS2LOOPBACKS seq 20 permit 7.7.7.7/32
!
route-map AS2LOOPBACKS permit 10
 match ip address prefix-list AS2LOOPBACKS

R7 Config

ip vrf two
 rd 2:2
 route-target export 2:2
 route-target import 2:2
!
pseudowire-class AS3-AS4
 encapsulation mpls
!
interface Loopback0
 ip address 7.7.7.7 255.255.255.255
!
interface FastEthernet1/0
 ip address 192.168.67.7 255.255.255.0
 mpls ip
!
interface FastEthernet1/1
 xconnect 5.5.5.5 34 pw-class AS3-AS4
!
interface FastEthernet2/0
 ip vrf forwarding two
 ip address 192.168.167.7 255.255.255.0
!
router ospf 1
 log-adjacency-changes
 network 7.7.7.7 0.0.0.0 area 0
 network 192.168.67.7 0.0.0.0 area 0
!
router bgp 2
 no bgp default ipv4-unicast
 bgp log-neighbor-changes
 neighbor 5.5.5.5 remote-as 2
 neighbor 5.5.5.5 update-source Loopback0
 !
 address-family ipv4
  no synchronization
  no auto-summary
 exit-address-family
 !
 address-family vpnv4
  neighbor 5.5.5.5 activate
  neighbor 5.5.5.5 send-community extended
 exit-address-family
 !
 address-family ipv4 vrf two
  no synchronization
  redistribute connected
  redistribute static
 exit-address-family
!
ip route vrf two 16.16.16.16 255.255.255.255 192.168.167.16

R8 Config

ip vrf 34
 rd 34:34
 route-target export 34:34
 route-target import 34:34
!
interface Loopback0
 ip address 8.8.8.8 255.255.255.255
!
interface Loopback1
 ip address 8.8.8.81 255.255.255.255
!
interface Tunnel0
 ip address 3.4.34.8 255.255.255.0
 mpls bgp forwarding
 tunnel source Loopback1
 tunnel destination 10.10.10.11
!
interface FastEthernet1/0
 ip address 192.168.89.8 255.255.255.0
 mpls ip
!
interface FastEthernet1/1
 ip address 192.168.128.8 255.255.255.0
!
interface FastEthernet2/0
 ip vrf forwarding 34
 ip address 192.168.138.8 255.255.255.0
!
router ospf 1
 log-adjacency-changes
 network 8.8.8.8 0.0.0.0 area 0
 network 192.168.89.8 0.0.0.0 area 0
!
router bgp 3
 bgp log-neighbor-changes
 neighbor 3.4.34.10 remote-as 4
 neighbor 10.10.10.10 remote-as 4
 neighbor 10.10.10.10 ebgp-multihop 4
 neighbor 10.10.10.10 update-source Loopback0
 neighbor 192.168.128.12 remote-as 12
 !
 address-family ipv4
  no synchronization
  network 8.8.8.81 mask 255.255.255.255
  no neighbor 3.4.34.10 activate
  no neighbor 10.10.10.10 activate
  neighbor 192.168.128.12 activate
  no auto-summary
 exit-address-family
 !
 address-family vpnv4
  neighbor 3.4.34.10 activate
  neighbor 3.4.34.10 send-community extended
  neighbor 10.10.10.10 activate
  neighbor 10.10.10.10 send-community extended
  neighbor 10.10.10.10 route-map LOCAL-PREFERENCE-200 in
 exit-address-family
 !
 address-family ipv4 vrf 34
  no synchronization
  redistribute connected
  redistribute static
 exit-address-family
!
ip route vrf 34 13.13.13.13 255.255.255.255 192.168.138.13
!
route-map LOCAL-PREFERENCE-200 permit 10
 set local-preference 200
!
mpls ldp router-id Loopback0 force

R9 Config

interface Loopback0
 ip address 9.9.9.9 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.119.9 255.255.255.0
!
interface FastEthernet0/1
 ip address 192.168.89.9 255.255.255.0
 mpls ip
!
router ospf 1
 log-adjacency-changes
 redistribute bgp 3 subnets route-map AS4-LOOPBACKS
 network 9.9.9.9 0.0.0.0 area 0
 network 192.168.89.9 0.0.0.0 area 0
!
router bgp 3
 no synchronization
 bgp log-neighbor-changes
 redistribute ospf 1 route-map AS3-LOOPBACKS
 neighbor 192.168.119.11 remote-as 4
 neighbor 192.168.119.11 send-label
 no auto-summary
!
ip prefix-list AS3-LOOPBACKS seq 5 permit 8.8.8.8/32
!
ip prefix-list AS4-LOOPBACKS seq 5 permit 10.10.10.10/32
!
route-map AS3-LOOPBACKS permit 10
 match ip address prefix-list AS3-LOOPBACKS
!
route-map AS4-LOOPBACKS permit 10
 match ip address prefix-list AS4-LOOPBACKS
!
mpls ldp router-id Loopback0 force

R10 Config

ip vrf 34
 rd 34:34
 route-target export 34:34
 route-target import 34:34
!
interface Loopback0
 ip address 10.10.10.10 255.255.255.255
!
interface Loopback1
 ip address 10.10.10.11 255.255.255.255
!
interface Tunnel0
 ip address 3.4.34.10 255.255.255.0
 mpls bgp forwarding
 tunnel source Loopback1
 tunnel destination 8.8.8.81
!
interface FastEthernet1/0
 ip address 192.168.110.10 255.255.255.0
 mpls ip
!
interface FastEthernet1/1
 ip address 192.168.112.10 255.255.255.0
!
interface FastEthernet2/0
 ip vrf forwarding 34
 ip address 192.168.114.10 255.255.255.0
!
router ospf 1
 log-adjacency-changes
 network 10.10.10.10 0.0.0.0 area 0
 network 192.168.110.10 0.0.0.0 area 0
!
router bgp 4
 bgp log-neighbor-changes
 neighbor 3.4.34.8 remote-as 3
 neighbor 8.8.8.8 remote-as 3
 neighbor 8.8.8.8 ebgp-multihop 4
 neighbor 8.8.8.8 update-source Loopback0
 neighbor 192.168.112.12 remote-as 12
 !
 address-family ipv4
  no synchronization
  network 10.10.10.11 mask 255.255.255.255
  no neighbor 3.4.34.8 activate
  no neighbor 8.8.8.8 activate
  neighbor 192.168.112.12 activate
  no auto-summary
 exit-address-family
 !
 address-family vpnv4
  neighbor 3.4.34.8 activate
  neighbor 3.4.34.8 send-community extended
  neighbor 8.8.8.8 activate
  neighbor 8.8.8.8 send-community extended
  neighbor 8.8.8.8 route-map LOCAL-PREFERENCE-200 in
 exit-address-family
 !
 address-family ipv4 vrf 34
  no synchronization
  redistribute connected
  redistribute static
 exit-address-family
!
ip route vrf 34 14.14.14.14 255.255.255.255 192.168.114.14
!
route-map LOCAL-PREFERENCE-200 permit 10
 set local-preference 200
!
mpls ldp router-id Loopback0 force

R11 Config

interface Loopback0
 ip address 11.11.11.11 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.119.11 255.255.255.0
!
interface FastEthernet0/1
 ip address 192.168.110.11 255.255.255.0
 mpls ip
!
router ospf 1
 log-adjacency-changes
 redistribute bgp 4 subnets route-map AS3LOOPBACKS
 network 11.11.11.11 0.0.0.0 area 0
 network 192.168.110.11 0.0.0.0 area 0
!
router bgp 4
 no synchronization
 bgp log-neighbor-changes
 redistribute ospf 1 route-map AS4LOOPBACKS
 neighbor 192.168.119.9 remote-as 3
 neighbor 192.168.119.9 send-label
 no auto-summary
!
ip prefix-list AS3LOOPBACKS seq 5 permit 8.8.8.8/32
!
ip prefix-list AS4LOOPBACKS seq 5 permit 10.10.10.10/32
!
route-map AS4LOOPBACKS permit 10
 match ip address prefix-list AS4LOOPBACKS
!
route-map AS3LOOPBACKS permit 10
 match ip address prefix-list AS3LOOPBACKS
!
mpls ldp router-id Loopback0 force

R12 Config

interface FastEthernet0/0
 ip address 192.168.112.12 255.255.255.0
!
interface FastEthernet0/1
 ip address 192.168.128.12 255.255.255.0
!
router bgp 12
 no synchronization
 bgp log-neighbor-changes
 neighbor 192.168.112.10 remote-as 4
 neighbor 192.168.128.8 remote-as 3
 no auto-summary

R13 Config

interface Loopback0
 ip address 13.13.13.13 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.138.13 255.255.255.0
!
ip route 0.0.0.0 0.0.0.0 192.168.138.8

R14 Config

interface Loopback0
 ip address 14.14.14.14 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.114.14 255.255.255.0
!
ip route 0.0.0.0 0.0.0.0 192.168.114.10

R15 Config

interface Loopback0
 ip address 15.15.15.15 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.155.15 255.255.255.0
!
ip route 0.0.0.0 0.0.0.0 192.168.155.5

R16 Config

interface Loopback0
 ip address 16.16.16.16 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.167.16 255.255.255.0
!
ip route 0.0.0.0 0.0.0.0 192.168.167.7