R1
interface GigabitEthernet0/0/1
ip address 12.1.1.1 255.255.255.0

interface GigabitEthernet0/0/2

interface NULL0

interface LoopBack0
ip address 192.168.1.1 255.255.255.0

interface LoopBack1
ip address 10.1.1.1 255.255.255.0

interface LoopBack2
ip address 10.1.3.1 255.255.255.0

interface Tunnel0/0/0
ip address 172.16.1.1 255.255.255.0
tunnel-protocol gre
source 10.1.1.1
destination 10.1.2.1

bgp 1
peer 12.1.1.2 as-number 2

ipv4-family unicast
undo synchronization
network 10.1.1.0 255.255.255.0
network 10.1.3.0 255.255.255.0
peer 12.1.1.2 enable

ip route-static 192.168.2.0 255.255.255.0 Tunnel0/0/0

R2
interface GigabitEthernet0/0/0
ip address 12.1.1.2 255.255.255.0

interface GigabitEthernet0/0/1
ip address 23.1.1.2 255.255.255.0

interface GigabitEthernet0/0/2
ip address 25.1.1.2 255.255.255.0

interface NULL0

interface LoopBack0
ip address 2.2.2.2 255.255.255.0

bgp 64512
router-id 2.2.2.2
confederation id 2
confederation peer-as 64513
peer 3.3.3.3 as-number 64512
peer 3.3.3.3 connect-interface LoopBack0
peer 5.5.5.5 as-number 64513
peer 5.5.5.5 ebgp-max-hop 2
peer 5.5.5.5 connect-interface LoopBack0
peer 12.1.1.1 as-number 1

ipv4-family unicast
undo synchronization
network 2.2.2.0 255.255.255.0
peer 3.3.3.3 enable
peer 3.3.3.3 next-hop-local
peer 5.5.5.5 enable
peer 5.5.5.5 next-hop-local
peer 12.1.1.1 enable

ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 2.2.2.2 0.0.0.0
network 23.1.1.2 0.0.0.0
network 25.1.1.2 0.0.0.0

R3
interface GigabitEthernet0/0/0
ip address 23.1.1.3 255.255.255.0

interface GigabitEthernet0/0/1
ip address 34.1.1.3 255.255.255.0

interface GigabitEthernet0/0/2

interface NULL0

interface LoopBack0
ip address 3.3.3.3 255.255.255.0

bgp 64512
router-id 3.3.3.3
confederation id 2
confederation peer-as 64513
peer 2.2.2.2 as-number 64512
peer 2.2.2.2 connect-interface LoopBack0
peer 4.4.4.4 as-number 64512
peer 4.4.4.4 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
network 3.3.3.0 255.255.255.0
peer 2.2.2.2 enable
peer 4.4.4.4 enable
peer 4.4.4.4 reflect-client

ospf 1 router-id 3.3.3.3
area 0.0.0.0
network 0.0.0.0 255.255.255.255

R4
interface GigabitEthernet0/0/0
ip address 34.1.1.4 255.255.255.0

interface GigabitEthernet0/0/1
ip address 47.1.1.4 255.255.255.0

interface GigabitEthernet0/0/2

interface NULL0

interface LoopBack0
ip address 4.4.4.4 255.255.255.0

bgp 64512
router-id 4.4.4.4
confederation id 2
confederation peer-as 64513
peer 3.3.3.3 as-number 64512
peer 3.3.3.3 connect-interface LoopBack0
peer 7.7.7.7 as-number 64513
peer 7.7.7.7 ebgp-max-hop 2
peer 7.7.7.7 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
network 4.4.4.0 255.255.255.0
peer 3.3.3.3 enable
peer 7.7.7.7 enable

ospf 1 router-id 4.4.4.4
area 0.0.0.0
network 0.0.0.0 255.255.255.255

R5
interface GigabitEthernet0/0/0
ip address 25.1.1.5 255.255.255.0

interface GigabitEthernet0/0/1
ip address 56.1.1.5 255.255.255.0

interface GigabitEthernet0/0/2

interface NULL0

interface LoopBack0
ip address 5.5.5.5 255.255.255.0

bgp 64513
router-id 5.5.5.5
confederation id 2
confederation peer-as 64512
peer 2.2.2.2 as-number 64512
peer 2.2.2.2 ebgp-max-hop 2
peer 2.2.2.2 connect-interface LoopBack0
peer 6.6.6.6 as-number 64513
peer 6.6.6.6 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
network 5.5.5.0 255.255.255.0
peer 2.2.2.2 enable
peer 6.6.6.6 enable

ospf 1 router-id 5.5.5.5
area 0.0.0.0
network 0.0.0.0 255.255.255.255

R6
interface GigabitEthernet0/0/0
ip address 56.1.1.6 255.255.255.0

interface GigabitEthernet0/0/1
ip address 67.1.1.6 255.255.255.0

interface GigabitEthernet0/0/2

interface NULL0

interface LoopBack0
ip address 6.6.6.6 255.255.255.0

bgp 64513
peer 5.5.5.5 as-number 64513
peer 5.5.5.5 connect-interface LoopBack0
peer 7.7.7.7 as-number 64513
peer 7.7.7.7 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
network 6.6.6.0 255.255.255.0
peer 5.5.5.5 enable
peer 7.7.7.7 enable
peer 7.7.7.7 reflect-client

ospf 1 router-id 6.6.6.6
area 0.0.0.0
network 0.0.0.0 255.255.255.255
area 0.0.0.9

R7
interface GigabitEthernet0/0/0
ip address 47.1.1.7 255.255.255.0

interface GigabitEthernet0/0/1
ip address 67.1.1.7 255.255.255.0

interface GigabitEthernet0/0/2
ip address 78.1.1.7 255.255.255.0

interface NULL0

interface LoopBack0
ip address 7.7.7.7 255.255.255.0

bgp 64513
router-id 7.7.7.7
confederation id 2
confederation peer-as 64512
peer 4.4.4.4 as-number 64512
peer 4.4.4.4 ebgp-max-hop 2
peer 4.4.4.4 connect-interface LoopBack0
peer 6.6.6.6 as-number 64513
peer 6.6.6.6 connect-interface LoopBack0
peer 78.1.1.8 as-number 3

ipv4-family unicast
undo synchronization
network 7.0.0.0
network 7.7.7.0 255.255.255.0
peer 4.4.4.4 enable
peer 4.4.4.4 next-hop-local
peer 6.6.6.6 enable
peer 6.6.6.6 next-hop-local
peer 78.1.1.8 enable

ospf 1 router-id 7.7.7.7
area 0.0.0.0
network 7.7.7.7 0.0.0.0
network 47.1.1.7 0.0.0.0
network 67.1.1.7 0.0.0.0

R8
interface GigabitEthernet0/0/0
ip address 78.1.1.8 255.255.255.0

interface GigabitEthernet0/0/1

interface GigabitEthernet0/0/2

interface NULL0

interface LoopBack0
ip address 192.168.2.1 255.255.255.0

interface LoopBack1
ip address 10.1.2.1 255.255.255.0

interface LoopBack2
ip address 10.1.4.1 255.255.255.0

interface Tunnel0/0/0
ip address 172.16.1.2 255.255.255.0
tunnel-protocol gre
source 10.1.2.1
destination 10.1.1.1

bgp 3
peer 78.1.1.7 as-number 2

ipv4-family unicast
undo synchronization
network 10.1.2.0 255.255.255.0
network 10.1.4.0 255.255.255.0
peer 78.1.1.7 enable

ip route-static 192.168.1.0 255.255.255.0 Tunnel0/0/0