SW1 sw1(config)#int f1/2 sw1(config-if)#speed 100 --------------- #调整双工 sw1(config-if)#duplex full · R1 R1(config)#int f0/0 R1(config-if)#ip add 192.168.10.1 255.255.255.0 R1(config-if)#speed 100 R1(config-if)#duplex full ----------------------- #调双工,配ip R1(config-if)#no shutdown R1(config-if)#int f0/1 R1(config-if)#ip add 12.0.0.1 255.255.255.0 R1(config-if)#no shutdown · R1(config)#ip nat inside source static 192.168.10.2 12.0.0.3 ------ #配置静态NAT R1(config)#ip nat inside source static 192.168.10.3 12.0.0.4 · R1(config)#int f0/0 R1(config-if)#ip nat inside ------------- #在内部和外部启用NAT R1(config-if)#int f0/1 R1(config-if)#ip nat outside · R1#debug ip nat
IP NAT debugging is on ------------- #使用debug ip nat 查看NAT转换过程 R1# Mar 1 00:05:50.647: NAT: s=192.168.10.2->12.0.0.3, d=12.0.0.2 [33247] Mar 1 00:05:50.695: NAT: s=12.0.0.2, d=12.0.0.3->192.168.10.2 [33247] R1# Mar 1 00:05:59.243: NAT: s=192.168.10.3->12.0.0.4, d=12.0.0.2 [33257] Mar 1 00:05:59.307: NAT: s=12.0.0.2, d=12.0.0.4->192.168.10.3 [33257]