网络地址技术NAT的主要功能是实现内网访问外网,实现IP地址的转换。NAT一般部署在出口防火墙或者路由器中,可以更加安全的访问Internet,同时可以保护私有网络信息不被直接暴露在公网中,是一种主要解决IP地址短缺的技术。NAT转换技术包括静态、动态以及地址端口转换NAPT三种方式。
NAT地址转换主要解决IPv4地址资源短缺枯竭制约网络发展的原因,IPv6技术可以解决IP地址匮乏的问题,但是大多数网络设备以及服务应用还是基于IPv4技术。
NAT网络地址转换就是将私网地址转换为公网地址。
实践项目,通过NAT地址转换技术,实现私网地址能够访问互联网。当采用静态、动态两种NAT地址转换模式,可以实现私网地址访问互联网的需求。但是不能节约公网地址,一般不采用。端口转换NAPT(Easy Ip),可以实现一个公网地址对应个人私网地址,因为进行了端口转换。
1、NAT转换基本配置拓扑
2、依次配置PC1、PC2、Server1、Server2、PC3的ip地址
3、①、sw1的基本配置
测试 sw1ping PC1 通的
②、AR1的基本配置
<Huawei> <Huawei>sys Enter system view, return user view with Ctrl+Z. [Huawei]sysname AR1 [AR1]un in en Info: Information center is disabled. [AR1]interface GigabitEthernet 0/0/0 [AR1-GigabitEthernet0/0/0]ip address 10.1.10.3 24 [AR1-GigabitEthernet0/0/0]quit [AR1]interface GigabitEthernet 0/0/1 [AR1-GigabitEthernet0/0/1]ip address 60.200.32.1 24 [AR1-GigabitEthernet0/0/1]quit [AR1]interface GigabitEthernet 0/0/2 [AR1-GigabitEthernet0/0/2]ip address 192.168.9.254 24 [AR1-GigabitEthernet0/0/2]quit [AR1]ip route-static 0.0.0.0 0 60.200.32.2 [AR1]quit <AR1>save The current configuration will be written to the device. Are you sure to continue?[Y/N]Y Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]: Now saving the current configuration to the slot 17. Save the configuration successfully. <AR1> <AR1>sys
③、AR2的基本配置
<Huawei>sys Enter system view, return user view with Ctrl+Z. [Huawei]sysname AR2 [AR2]un in en Info: Information center is disabled. [AR2]interface GigabitEthernet 0/0/0 [AR2-GigabitEthernet0/0/0]ip address 60.200.32.2 24 [AR2-GigabitEthernet0/0/0]quit [AR2]interface GigabitEthernet 0/0/1 [AR2-GigabitEthernet0/0/1]ip address 192.168.19.254 24 [AR2-GigabitEthernet0/0/1]quit [AR2]interface GigabitEthernet 0/0/2 [AR2-GigabitEthernet0/0/2]ip address 172.99.0.254 24 [AR2-GigabitEthernet0/0/2]quit [AR2]quit <AR2>save The current configuration will be written to the device. Are you sure to continue?[Y/N]Y Info: Please input the file name ( *.cfg, *.zip ) [vrpcfg.zip]: Now saving the current configuration to the slot 17. Save the configuration successfully. <AR2>
待补充,配置PC1 ping Server2 发现不通,配置无效待检查
标签:AR1,AR2,quit,30,GigabitEthernet0,地址,网络地址,NAT From: https://www.cnblogs.com/lvjing/p/17646687.html