静态配置：
Router(config)#ip nat outside source static 10.10.10.1 171.16.68.5
Router(config)#interface f0/0
Router(config-if)#ip nat inside
Router(config)#int f0/1
Router(config-if)#ip nat outside
Router(config-if)#end
Router#show ip nat translations
Pro Inside global Inside local Outside local Outside global
--- --- --- 171.16.68.1 10.10.10.5
动态配置：
Router(config)#int e7/0
Router(config-if)#ip add 10.10.10.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Ethernet7/0, changed state to up
Router(config-if)#ip nat inside
Router(config-if)#exi
Router(config)#int e6/0
Router(config-if)#ip add 10.10.20.1 255.255.255.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface Ethernet6/0, changed state to up
Router(config-if)#ip nat inside
Router(config-if)#exi
Router(config)#int serial 5/0
Router(config-if)#ip address 172.16.10.64 255.255.255.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial5/0, changed state to down
Router(config-if)#ip nat outside
Router(config-if)#exi
Router(config)ip nat pool ccie 172.16.10.1 172.16.10.63 prefix 24
^
Router(config)#ip nat inside source list 7 pool ccie
Router(config)#access-list 7 permit 10.10.10.0 0.0.0.31
Router(config)#access-list 7 permit 10.10.20.0 0.0.0.31
^
