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ACL简单的配置.docx

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ACL简单的配置 ACL(AccessControlList，访问控制列表)，简单说就是包过滤，根据数据包的报头中的ip地址、协议端口号等信息进行过滤。利用ACL可以实现安全控制。编号：1-99or1300-1999(standardIP)，100-199or2000-2699(ExtendedIP)。ACL并不复杂，但在实际应用中的，要想恰当地应用ACL，必需要制定合理的策略。一、实验配置拓扑图 图一 二、三个路由器的基本配置LuoShan#shstartup-configUsing699bytes!version12.4noservicepassword-encryption!hostnameLuoShan!!enablepasswordcisco!!!!usernamesenyapassword0cisco!ipsshversion1noipdomain-lookup!!interfaceFastEthernet0/0noipaddressduplexautospeedautoshutdown!interfaceFastEthernet0/1ipaddress192.168.3.1255.255.255.0duplexautospeedauto!interfaceSerial0/3/0ipaddress172.17.1.1255.255.255.0clockrate56000!interfaceSerial0/3/1ipaddress172.18.1.2255.255.255.0!interfaceVlan1noipaddressshutdown!routereigrp100network192.168.3.0network172.17.0.0network172.18.0.0auto-summary!ipclassless!!!!!linecon0linevty04passwordciscologin!!end HuangChuang#shstartup-configUsing669bytes!version12.4noservicepassword-encryption!hostnameHuangChuang!!enablepasswordcisco!!!!ipsshversion1noipdomain-lookup!!interfaceFastEthernet0/0noipaddressduplexautospeedautoshutdown!interfaceFastEthernet0/1ipaddress192.168.2.1255.255.255.0duplexautospeedauto!interfaceSerial0/3/0ipaddress172.17.1.2255.255.255.0!interfaceSerial0/3/1ipaddress172.16.1.1255.255.255.0clockrate56000!interfaceVlan1noipaddressshutdown!routereigrp100network192.168.2.0network172.17.0.0network172.16.0.0auto-summary!ipclassless!!!!!linecon0linevty04passwordciscologin!!end xixian#shstartup-configUsing679bytes!version12.4servicepassword-encryption!hostnamexixian!!enablepassword70822455D0A16!!!!ipsshversion1noipdomain-lookup!!interfaceFastEthernet0/0noipaddressduplexautospeedautoshutdown!interfaceFastEthernet0/1ipaddress192.168.1.1255.255.255.0duplexautospeedauto!interfaceSerial0/3/0ipaddress172.18.1.1255.255.255.0clockrate56000!interfaceSerial0/3/1ipaddress172.16.1.2255.255.255.0!interfaceVlan1noipaddressshutdown!routereigrp100network192.168.1.0network172.18.0.0network172.16.0.0auto-summary!ipclassless!!!!!linecon0linevty04password70822455D0A16lo