第8讲配置NAT.ppt

概 述 NAT简介 PAT简介 配置NAT 配置PAT * * 第9讲 配置NAT 主讲：唐涛 9.1 NAT简介 1. NAT简介 9.1 NAT简介 2. NAT数语 Inside network:内部网络 Outside network:外部网络 Inside local ip:内部本地IP Inside global ip:内部全局IP Outside local ip:外部本地IP Outside global ip:外部全局IP 9.1 NAT简介 3. PAT简介 9.2 配置NAT 1. 配置静态NAT Router(config-if)#ip nat inside Router(config-if)#ip nat outside Router(config)#ip nat inside source static local-ip global-ip 9.2 配置NAT 1. 配置静态NAT 9.2 配置NAT LAB:配置静态NAT Router(config-if)#ip nat inside Router(config-if)#ip nat outside Router(config)#ip nat inside source static local-ip global-ip 9.2 配置NAT 2. 配置动态NAT Router(config)#ip nat pool name start-ip end-ip {netmask netmask | prefix-length prefix-length} Router(config)#access-list access-list-number permit source [source-wildcard] Router(config)#ip nat inside source list access-list-number pool name 9.2 配置NAT 2. 配置动态NAT 9.2 配置NAT LAB:配置动态NAT Router(config)#ip nat pool name start-ip end-ip {netmask netmask Router(config)#access-list access-list-number permit source [source-wildcard] Router(config)#ip nat inside source list access-list-number pool name 9.2 配置NAT 3. Overloading(地址复用)简介 9.2 配置NAT 3. 配置Overloading Router(config)#access-list access-list-number permit source source-wildcard Router(config)#ip nat inside source list access-list-number interface interface overload 9.2 配置NAT 3. Overloading配置实例 9.2 配置NAT LAB:配置Overloading Router(config)#access-list access-list-number permit source source-wildcard Router(config)#ip nat inside source list access-list-number interface interface overload *