sysname DC01
#
interface GigabitEthernet0/0/0
ip address 20.1.0.1 255.255.255.252
#
interface GigabitEthernet0/0/1
ip address 10.0.0.1 255.255.255.252
ospf cost 500
#
interface GigabitEthernet0/0/2
ip address 10.1.0.1 255.255.255.0
#
interface Tunnel0/0/1
ip address 1.1.1.1 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.2.0.1
ospf cost 500
#
interface Tunnel0/0/2
ip address 1.1.1.9 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.2.1.1
#
ospf 1
import-route ospf 2
area 0.0.0.0
network 10.0.0.0 0.0.0.3
area 0.0.0.1
network 1.1.1.0 0.0.0.3
network 10.0.0.0 0.15.255.255
#
ospf 2
import-route ospf 1
area 0.0.0.2
network 1.1.1.8 0.0.0.3
#
ip route-static 0.0.0.0 0.0.0.0 20.1.0.2
sysname DC02
#
interface GigabitEthernet0/0/0
ip address 20.1.1.1 255.255.255.252
#
interface GigabitEthernet0/0/1
ip address 10.0.0.2 255.255.255.252
#
interface GigabitEthernet0/0/2
ip address 10.2.0.1 255.255.255.0
#
interface NULL0
#
interface Tunnel0/0/1
ip address 1.1.1.5 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.2.0.1
#
interface Tunnel0/0/2
ip address 1.1.1.13 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.2.1.1
#
ospf 1
import-route ospf 2
area 0.0.0.0
network 10.0.0.0 0.0.0.3
area 0.0.0.1
network 1.1.1.4 0.0.0.3
network 10.0.0.0 0.15.255.255
#
ospf 2
import-route ospf 1
area 0.0.0.2
network 1.1.1.12 0.0.0.3
#
ip route-static 0.0.0.0 0.0.0.0 20.1.1.2
#
sysname branch01
#
interface GigabitEthernet0/0/0
ip address 20.2.0.1 255.255.255.252
#
interface GigabitEthernet0/0/1
ip address 10.17.0.1 255.255.255.0
#
interface Tunnel0/0/1
ip address 1.1.1.2 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.1.0.1
ospf cost 500
#
interface Tunnel0/0/2
ip address 1.1.1.6 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.1.1.1
#
ospf 1
area 0.0.0.1
network 1.1.1.0 0.0.0.3
network 1.1.1.4 0.0.0.3
network 10.17.0.0 0.0.255.255
#
ip route-static 0.0.0.0 0.0.0.0 20.2.0.2
sysname branch02
#
interface GigabitEthernet0/0/0
ip address 20.2.1.1 255.255.255.252
#
interface GigabitEthernet0/0/1
ip address 10.18.0.1 255.255.255.0
#
interface Tunnel0/0/1
ip address 1.1.1.10 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.1.0.1
ospf cost 500
#
interface Tunnel0/0/2
ip address 1.1.1.14 255.255.255.252
tunnel-protocol gre
keepalive
source GigabitEthernet0/0/0
destination 20.2.1.1
#
ospf 2
area 0.0.0.2
network 1.1.1.8 0.0.0.3
network 1.1.1.12 0.0.0.3
network 10.18.0.0 0.0.255.255
#
ip route-static 0.0.0.0 0.0.0.0 20.2.1.2