网络地址转换NAT配置
1、配置Server-PT服务器
IP:192.168.1.2
子网掩码:255.255.255.0
网关:192.168.1.1
2、配置计算机PC0
IP :222.0.2.2
子网掩码:255.255.255.0
网关:222.0.2.1
3、配置路由器Router0
Router>en
Router#conf t
Router(config)#host R0
R0(config)#int fa0/0
R0(config-if)#ip address 192.168.1.1 255.255.255.0
R0(config-if)#no shutdown
R0(config-if)#
R0(config-if)#int s2/0
R0(config-if)#ip address 222.0.1.1 255.255.255.0
R0(config-if)#no shutdown
R0(config-if)#clock rate 64000
R0(config-if)#exit
R0(config)#ip route 222.0.2.0 255.255.255.0 222.0.1.2
R0(config)#
4、配置路由器Router1
R1>en
R1#conf t
R1(config)#host R1
R1(config)#int s2/0
R1(config-if)#ip address 222.0.1.2 255.255.255.0
R1(config-if)#no shut
R1(config-if)#int fa0/0
R1(config-if)#ip address 222.0.2.1 255.255.255.0
R1(config-if)#no shutdown
R1(config-if)#
R1(config-if)#exit
R1(config)#ip route 192.168.1.0 255.255.255.0 222.0.1.1
R1(config)#end
R1#
R1#show ip route
5、PC0测试:
ping 192.168.1.2
6、R0>
R0>
R0>en
R0#conf t
R0(config)#int fa0/0
R0(config-if)#ip nat inside
R0(config-if)#int s2/0
R0(config-if)#ip nat outside
R0(config-if)#exit
R0(config)#ip nat inside source static 192.168.1.2 222.0.1.3
R0(config)#end
R0#
R0#show ip nat translations
Pro Inside global Inside local Outside local Outside global
--- 222.0.1.3 192.168.1.2 --- ---
7、PC0测试
Web浏览器
http://222.0.1.3
8、测试Router0
show ip nat translations