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Ruijie(config)#hostname R1

R1(config)#interface gigabitEthernet 0/0

R1(config-GigabitEthernet 0/0)#ip address 192.168.1.1 255.255.255.0

R1(config-GigabitEthernet 0/0)#exit

R1(config)#interface gigabitEthernet 0/1

R1(config-GigabitEthernet 0/2)#ip address 192.168.2.1 255.255.255.0

R1(config-GigabitEthernet 0/2)#exit

Ruijie(config)#hostname R2

R2(config)#interface gigabitEthernet 0/0

R2(config-GigabitEthernet 0/0)#ip address 192.168.1.2 255.255.255.0

R2(config-GigabitEthernet 0/0)#exit

R2(config)#interface gigabitEthernet 0/1

R2(config-GigabitEthernet 0/1)#ip address 172.16.1.1 255.255.255.0

R2(config-GigabitEthernet 0/1)#exit

R2(config)#interface gigabitEthernet 0/2

R2(config-GigabitEthernet 0/2)#ip address 172.16.2.1 255.255.255.0

R2(config-GigabitEthernet 0/2)#exit

Ruijie(config)#hostname R3

R3(config)#interface fastEthernet 0/0

R3(config-if-FastEthernet 0/0)#ip address 192.168.2.2 255.255.255.0

R3(config-if-FastEthernet 0/0)#exit

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R1(config)#ip route 172.16.0.0 255.255.0.0 192.168.1.2

R1(config)#ip route 100.1.1.0 255.255.255.0 192.168.2.2

R2(config)#ip route 100.1.1.0 255.255.255.0 192.168.1.1

R2(config)#ip route 192.168.0.0 255.255.0.0 192.168.1.1

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R1(config)#interface gigabitEthernet 0/1

R1(config-GigabitEthernet 0/1)#ip nat outside      //ÉèÖÃnatµÄÍâÍø¿Ú

R1(config-GigabitEthernet 0/1)#exit

R1(config)#int gigabitEthernet 0/0

R1(config-GigabitEthernet 0/0)#ip nat inside     //ÉèÖÃnatµÄÄÚÍø¿Ú

R1(config-GigabitEthernet 0/0)#exit

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R1(config)#ip nat inside source static 172.16.1.100 192.168.2.168 permit-inside      //°ÑÄÚÍø172.16.1.100 Ó³Éä³É¹«ÍøµÄ192.168.2.88

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R1(config)#ip nat inside source static tcp 172.16.1.100 23 192.168.2.168 23  permit-inside      //°ÑÄÚÍø172.16.1.100 tcp 23¶Ë¿Ú Ó³Éä³É¹«ÍøµÄ192.168.2.88 µÄ23¶Ë¿Ú

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