AR1:
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interface GigabitEthernet0/0/0 //进入接口
ip address 10.1.12.1 255.255.255.0
ospf enable 200 area 0.0.0.200
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AR2:
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interface GigabitEthernet0/0/0 //进入接口
ip address 10.1.12.2 255.255.255.0
ospf enable 200 area 0.0.0.200
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interface GigabitEthernet0/0/1 //进入接口
ip address 100.1.23.1 255.255.255.0
ospf enable 100 area 0.0.0.100
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interface LoopBack1 //进入环回接口
ip address 172.16.1.2 255.255.255.0
ospf enable 100 area 0.0.0.100
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interface Tunnel0/0/0 //创建隧道接口
ip address 10.1.24.2 255.255.255.0 //添加隧道ip
tunnel-protocol gre //添加协议
source 172.16.1.2 //源ip地址
destination 172.16.1.4 //目的ip地址
ospf enable 200 area 0.0.0.200 //宣告
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AR3:
interface GigabitEthernet0/0/0 //进入接口
ip address 100.1.23.2 255.255.255.0
ospf enable 100 area 0.0.0.100
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interface GigabitEthernet0/0/1 //进入接口
ip address 100.1.34.1 255.255.255.0
ospf enable 100 area 0.0.0.100
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AR4:
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interface GigabitEthernet0/0/0 //进入接口
ip address 100.1.34.2 255.255.255.0
ospf enable 100 area 0.0.0.100
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interface GigabitEthernet0/0/1 //进入接口
ip address 10.1.45.1 255.255.255.0
ospf enable 200 area 0.0.0.200
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interface LoopBack1 //进入环回接口
ip address 172.16.1.4 255.255.255.0
ospf enable 100 area 0.0.0.100
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interface Tunnel0/0/0
ip address 10.1.24.4 255.255.255.0
tunnel-protocol gre
source 172.16.1.4
destination 172.16.1.2
ospf enable 200 area 0.0.0.200
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AR5:
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interface GigabitEthernet0/0/0
ip address 10.1.45.2 255.255.255.0
ospf enable 200 area 0.0.0.200
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ospf 200
area 0.0.0.200
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