第8讲配置NAT.ppt

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1、第9讲配置NAT主讲：唐涛概述NAT简介PAT简介配置NAT配置PAT9.1NAT简介1.NAT简介9.1NAT简介2.NAT数语Insidenetwork:内部网络Outsidenetwork:外部网络Insidelocalip:内部本地IPInsideglobalip:内部全局IPOutsidelocalip:外部本地IPOutsideglobalip:外部全局IP9.1NAT简介3.PAT简介9.2配置NAT1.配置静态NATRouter(config-if)#ipnatinsideRouter(config-if)#ipnatoutsideRouter(confi

2、g)#ipnatinsidesourcestaticlocal-ipglobal-ip9.2配置NAT1.配置静态NAT9.2配置NATLAB:配置静态NATRouter(config-if)#ipnatinsideRouter(config-if)#ipnatoutsideRouter(config)#ipnatinsidesourcestaticlocal-ipglobal-ip9.2配置NAT2.配置动态NATRouter(config)#ipnatpoolnamestart-ipend-ip{netmasknetmask

3、prefix-lengthprefix-l

4、ength}Router(config)#access-listaccess-list-numberpermitsource[source-wildcard]Router(config)#ipnatinsidesourcelistaccess-list-numberpoolname9.2配置NAT2.配置动态NAT9.2配置NATLAB:配置动态NATRouter(config)#ipnatpoolnamestart-ipend-ip{netmasknetmaskRouter(config)#access-listaccess-list-numberpermitso

5、urce[source-wildcard]Router(config)#ipnatinsidesourcelistaccess-list-numberpoolname9.2配置NAT3.Overloading(地址复用)简介9.2配置NAT3.配置OverloadingRouter(config)#access-listaccess-list-numberpermitsourcesource-wildcardRouter(config)#ipnatinsidesourcelistaccess-list-numberinterfaceinterfaceoverload

6、9.2配置NAT3.Overloading配置实例9.2配置NATLAB:配置OverloadingRouter(config)#access-listaccess-list-numberpermitsourcesource-wildcardRouter(config)#ipnatinsidesourcelistaccess-list-numberinterfaceinterfaceoverload9.2配置NAT4.清除NATclearipnattranslation*showipnattranslationsshowipnatstatistics