网络实验指导

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1、实验一：应用层服务-邮件互发Lab4:ApplicationLayerServicesThisintroductoryexercisewi11showstudentshowtousesomeofthefcaturesofPackctTracerandwillparticularlyinvcstigatctheApplicationLayerprotocols:DHCP,SMTPandDNS.实验目的：通过此实验帮助学生了解PacketTracer的新特性，并且重点学习应用层协议：DHCP,SMTP

2、andDNS.19Z16S1.0/24BUU.PC1BUUWAP192168.6.253Beging192X66.2.024BUUCosputtrNetworksLab1:ApplicationLayerS・qr・PTARU_orver192】68・3.0/24ARUPC2UsingtheInitialNetworktopologyasastartingpoint,completethefollowingtasks:以给出的初始网络拓扑结构为基础，完成下列任务：1.FromtheEndDevice

3、smenudragtothescreenthefollowingdevices:LaptopandPC.从“终端设备”菜单中，将Laptop和PC加入到网络中。2.NametheLaptopBUU_L1andthePC,BUU_PC1将Laptop命名为BUU_L1,将PC命名为BUU_PC13.FromtheWirelessDevicesmenudragtothescreenagenericwirelessaccesspointandnameitBUUWAP从“无线设备”菜单中，选择“普通无线接

4、入点设备”，将其加入到网络中，并命名为BUU_WAP。4・PlacethedevicesclosetotheBeijingswitchandconnectasfollows:将这些设备放置在"BeijingSwitch"的附近，按如下方式连接：WirelessAccessPointPort0toSwitchPortFaO/2使用直通线(straight-throughcable),连接"无线接入点(WirelessAccessPoint)”的Port0接交换机FaO/2接口；将PCBUU_PC1的

5、快速以太网接口与“BeijingSwitch"交换机FaO/1接口PCBUUPCItoSwitchPortFaO/1Useastraight-throughcable(solidblack)5.PoweroffthelaptopandreplacetheEthernetsocketwithaWirelessNICcard.PowerOntheLaptopandchangetheLaptop'sSSIDtoBUU.关闭laptop的电源，用无线网卡替换以太网卡，打开laptop的电源，将其SSID改

6、为BUU。6.ConfiguretheWirelessAccessPointwithaSSIDBUU.Donotapplyauthentication.配制无线AP为SSIDBUU,不启用认证。Checkthewirelesslinkcomesup.检查无线链路。7・ConfigureDHCPontheBeijingServer,asfollows:FromtheConfig/DHCPMenu:配制Beijing_Server的DHCP,按照Config/DHCP菜单：PoolName:BUU_P

7、00LDefaultGateway:192.168.1.254DNSServer:192.16&6・253StartIPAddress:192.168.1.0SubnetMask:255.255.255.0Add,thenSave8.FromtheDesktop/IPConfigurationMenusetBUUPC1andBUUL1toDHCP在Desktop/IP配置菜单中设置BUU.PCl,BUU_L1为从DHCP自动获取地址等配置信息。Checkthateachdevicecorrectl

8、yreceives:AvalidIPAddress,SubnetMask,DefauItGatewayandDNSServeraddress检查每个设备是否正确接收到配置信息：合法的IP地址，子网掩码，默认网关和DNS服务器地址。9.AddtwoPCstotheARUnetwork,withnamesARUPC1andARUPC2respectively.增加两台PC到ARU并命名为ARU_PC1和ARU_PC2o10.ConnectARU_PC1toSwitchlPortFaO/