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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 fastEthernet 0/0

R2(config-if-FastEthernet 0/0)#ip address 192.168.2.2 255.255.255.0

R2(config-if-FastEthernet 0/0)#exit

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R2(config)#ip route 192.168.10.0 255.255.255.0 192.168.2.1      //ÉèÖÃÍâÍøµ½·þÎñÆ÷¹«ÍøµØÖ·µÄ·ÓÉ

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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 access-list extended 100

R1(config-ext-nacl)#10 permit ip any host 192.168.10.168     //ÍâÍøµ½·þÎñÆ÷¹«ÍøµØÖ·£¨192.168.10.168£©µÄÁ÷Á¿

R1(config-ext-nacl)#exit

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R1(config)#ip nat pool server 192.168.1.100 192.168.1.101 netmask 255.255.255.0 type rotary     //½ç˵ÃûΪserverµÄµØÖ·³Ø £¬µØÖ·³ØÀàÐÍΪrotary£¨Ñ­»·£© £¬ÔÚ×öÄ¿µÄnatת»»Ê± £¬Ñ­»·×ª»»ÎªÄÚÍø·þÎñÆ÷µÄµØÖ·

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R1(config)#ip nat inside destination list 100 pool server      //½«acl 100µÄÁ÷Á¿ £¬±¨ÎĵÄÄ¿µÄµØÖ·×ª»»³ÉserverµØÖ·³ØµÄµØÖ·

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3£©ÎÒ˾װ±¸¾ÙÐÐTCP¸ºÔØÆ½ºâʱ £¬ÊÇ»ùÓÚÔ´ipµØÖ·µÄhashÖµ¾ÙÐиºÔØÆ½ºâ £¬ÈôÍâÍø2¸öip»á¼ûûÓÐʵÏÖ¸ºÔØÆ½ºâ £¬ÊÇÓÉÓÚÕâ2¸öipµØÖ·µÄhashÖµÒ»Ñù £¬¿ÉÒÔʵÑé±ä»»ÍâÍøipµØÖ·×ö²âÊÔ¡£ 

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»®·Ö²âÊÔ¶à¸öÍâÍøPC»á¼û·þÎñÆ÷µÄ¹«ÍøµØÖ· £¬ÈôµÚÒ»PC»á¼û¸Ã·þÎñÆ÷ʱת»»³É192.168.1.100µÄÄÚÍøµØÖ· £¬µÚ¶þPC»á¼û¸Ã·þÎñÆ÷ʱת»»³É192.168.1.101µÄÄÚÍøµØÖ· £¬ÔòNATÖØ´óƽºâÉèÖÃ׼ȷ¡£

µÚÒ»¸öPC»á¼û·þÎñÆ÷ʱ £¬»á¼ûµ½server-1 £¬Éó²énatת»»±íÈçÏÂ

R2#telnet 192.168.10.168

Trying 192.168.10.168, 23...

server-1>

 

R1#show ip nat translations

Pro Inside global            Inside local            Outside local          Outside global

tcp 192.168.10.168:23  192.168.1.100:23   192.168.2.2:1052   192.168.2.2:1052

µÚ¶þ¸öPC»á¼û·þÎñÆ÷ʱ £¬»á¼ûµ½server-2 £¬Éó²énatת»»±íÈçÏÂ

R4#telnet 192.168.10.168

Trying 192.168.10.168, 23...

server-2>

R1#show ip nat translations

Pro Inside global            Inside local             Outside local          Outside global

tcp 192.168.10.168:23  192.168.1.101:23   192.168.2.3:1053   192.168.2.3:1053

 

 

 

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