動態NAT
Router 0 :
Router>en
Router#conf
Router(config)#interface serial 0/0
Router(config-if)#ip add 192.168.1.2 255.255.255.0
Router(config-if)#no shutdown
Router(config-if)#clock rate 9600
Router(config-if)#no shutdown
Router(config)#interface fastEthernet 0/0
Router(config-if)#ip address 192.168.3.1 255.255.255.0
Router(config-if)#no shutdown
Router(config)#ip route 10.0.0 .0 255.0.0.0 192.168.1.1
Router 1 :
Router>en
Router#conf
Router(config)#interface fastEthernet 0/0
Router(config-if)#ip address 10.0.0 .1 255.0.0.0
Router(config-if)#no shutdown
Router(config)#interface serial 0/0
Router(config-if)#ip address 192.168.1.1 255.255.255.0
Router(config-if)# no shutdown
Router(config)#ip route 192.168.3.0 255.255.255.0 192.168.1.2
Router(config)#ip nat pool wang 192.168.1.225 192.168.1.254 netmask 255.255.255.0
Router(config)#access-list 1 permit 10.0.0 .1
Router(config)#access-list 1 permit 10.0.0 .2
Router(config)#access-list 1 permit 10.0.0 .3
Router(config)#ip nat inside source list 1 pool wang ov
Router(config)#ip nat inside source list 1 pool wang overload
Router(config)#
Router(config)#interface fastEthernet 0/0
Router(config-if)#ip nat inside
Router(config)#interface serial 0/0
Router(config-if)#ip nat outside
Router(config-if)#end
Router#show ip nat translations
Pro Inside global Inside local Outside local Outside global
icmp 192.168.1.225:102410.0.0.2:5 192.168.3.1:5 192.168.3.1:1024
icmp 192.168.1.225:5 10.0.0 .3:5 192.168.3.2:5 192.168.3.2:5
icmp 192.168.1.225:6 10.0.0 .3:6 192.168.3.2:6 192.168.3.2:6
icmp 192.168.1.225:7 10.0.0 .3:7 192.168.3.2:7 192.168.3.2:7
Router#