``` 左边的路由 ip access-list standard 1 #文件访问控制列表 permit 192.168.3.0 0.0.0.255 #允许这个网段通过 exit ip nat pool dcc 172.16.1.1 172.16.1.100 netmask 255.255.255.0 ip nat inside source list 1 pool dcc int f0/0 ip nat inside #指定内部接口 int f0/1 ip nat outside #指定外部接口 静态路由 ip route 192.168.1.0 255.255.255.0 172.16.1.2 右边的路由 ip access-list standard 1 permit 172.16.2.0 0.0.0.255 exit ip nat pool dcc 192.168.1.5 192.168.1.6 netmask 255.255.255.0 ip nat inside source list 1 pool dcc int f0/0 ip nat inside int f0/1 ip nat outside 静态路由 ip route 192.168.1.0 255.255.255.0 172.16.1.2 ``` 查看NAT转换 ``` show ip nat translations ```