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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 0/1)#ip address 192.168.2.1 255.255.255.0
R1(config-GigabitEthernet 0/1)#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
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R1(config)#interface gigabitEthernet 0/1
R1(config-GigabitEthernet 0/1)#ip nat outside //ÅäÖÃnatµÄ±íÍø¿Ú
R1(config-GigabitEthernet 0/1)#exit
R1(config)#int gigabitEthernet 0/0
R1(config-GigabitEthernet 0/0)#ip nat inside //ÅäÖÃnatµÄÄÚÍø¿Ú
R1(config-GigabitEthernet 0/0)#exit
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R1(config)#ip access-list standard 10
R1(config-std-nacl)#10 permit 172.16.1.0 0.0.0.255
R1(config-std-nacl)#20 permit 172.16.2.0 0.0.0.255
R1(config-std-nacl)#exit
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R1(config)#ip nat pool ruijie netmask 255.255.255.0 //ÅäÖÃÒ»¸öÃû×ÖΪruijieµÄ¹«ÍøµØÖ·³Ø
R1(config-ipnat-pool)#address 192.168.2.10 192.168.2.11 //¹«ÍøµØÖ·µÄÕØʼipµØÖ·£¬ÊµÏÖipµØÖ·
R1(config-ipnat-pool)#address 192.168.2.15 192.168.2.15 //ÈôÓжà¸ö¹«ÍøµØÖ·£¬µ«ÊDz»Â½Ðø£¬Äܹ»ÅäÖöà¸ö¹«ÍøµØÖ·¶Î
R1(config-ipnat-pool)#exit
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R1(config)#ip nat inside source list 10 pool ruijie overload //½«acl 10Æ¥ÅäµÄÁ÷Á¿£¬Ö´ÐÐnatת»»£¬×ª»»³ÉµØÖ·³ØruijieÀïÃæµÄµØÖ·
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