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目 录
1 NAT配置 ............................................................................................................................................ 1-1
1.1 NAT简介............................................................................................................................................1-1
1.1.1 NAT概述 .................................................................................................................................1-1
1.1.2 NAT实现的功能 ......................................................................................................................1-2
1.2 NAT配置任务简介 .............................................................................................................................1-5
1.3 配置地址池 ........................................................................................................................................1-5
1.4 配置地址转换.....................................................................................................................................1-6
1.4.1 地址转换介绍..........................................................................................................................1-6
1.4.2 配置静态地址转换...................................................................................................................1-6
1.4.3 配置动态地址转换...................................................................................................................1-6
1.5 配置内部服务器.................................................................................................................................1-8
1.5.1 内部服务器介绍 ......................................................................................................................1-8
1.5.2 配置普通内部服务器 ...............................................................................................................1-8
1.5.3 配置负载分担内部服务器........................................................................................................1-9
1.6 配置DNS-maping ............................................................................................................................1-10
1.7 配置基于IP地址的连接数限制 .........................................................................................................1-10
1.8 NAT显示和维护...............................................................................................................................1-10
1.9 NAT典型配置举例 ...........................................................................................................................1-11
1.9.1 私网访问公网典型配置举例 ..................................................................................................1-11
1.9.2 普通内部服务器典型配置举例...............................................................................................1-11
1.9.3 负载分担内部服务器典型配置举例 .......................................................................................1-12
1.9.4 NAT DNS-mapping典型配置举例.........................................................................................1-13
1.10 NAT常见配置错误举例 ..................................................................................................................1-15
1.10.1 故障之一:地址转换不正常。.............................................................................................1-15
1.10.2 故障之二:内部服务器工作不正常。..................................................................................1-15