Wireshark6_Ethernet_ARP

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1、重庆大学软件学院实验报告实验名称利用Wireshark分析Ethernet_ARP协议课程名称计算机网络与通信姓名成绩学号教师胡海波班级日期2013-05-18-11-《计算机网络与通信》实验报告开课实验室：年月日姓名年级、班级成绩实验（项目）名称实验六：利用Wireshark分析Ethernet_ARP协议指导教师胡海波教师评语教师签名：胡海波年月日一、实验目的1.学会怎么使用nslookup工具查询并分析Internet域名信息或诊断DNS服务器，并且能够使用ipconfig工具进行分析。2.了解怎么使

2、用WireShark简单分析DNS协议。二、使用的软件、硬件1.接入Internet的计算机2.抓包工具WireShark3.wingdows7自带的截图工具三、实验过程原始记录(数据、图表、计算等)1.Whatisthe48-bitEthernetaddressofyourcomputer?TheEthernetaddressofmycomputerThe48-bitEthernetaddressofmycomputeris:c8:0a:a9:db:9b:f3-11-2.Whatisthe48-bitde

3、stinationaddressintheEthernetframe?IsthistheEthernetaddressofgaia.cs.umass.edu?(Hint:theanswerisno).WhatdevicehasthisasitsEthernetaddress?[Note:thisisanimportantquestion,andonethatstudentssometimesgetwrong.Re-readpages468-469inthetextandmakesureyouundersta

4、ndtheanswerhere.](1)The48-bitdestinationaddressintheEthernetframeis:00:23:89:8d:50:71ThedestinationaddressintheEthernetframe(2)ThisisnottheEthernetaddressofgaia.cs.umass.edu.(3)ItistheaddressofmyLinksysrouter,whickisthelinkusedtogetoffthesubnet.3.Givethehe

5、xadecimalvalueforthetwo-byteFrametypefield.Whatdothebit(s)whosevalueis1meanwithintheflagfield?(1)Thehexadecimalvalueforthetwo-byteFrametypefieldis:ox0800Thehexadecimalvalueforthetwo-byteFrametypefield(2)Thevalueis1withintheflagfieldmeansthefragmenthasnotbe

6、enfragmented.-11-Flag4.HowmanybytesfromtheverystartoftheEthernetframedoestheASCII“G”in“GET”appearintheEthernetframe?(1)TheASCII“G”appears54bytesfromtheverystartoftheEthernetframe.(2)Calculationprocessasfollows:Thereare14bytesofEthernetframe,20bytesofIPhead

7、erand20bytesofTCPheaderbeforeHTTPdataisencountered.5.WhatisthehexadecimalvalueoftheCRCfieldinthisEthernetframe?(1)ThereisnoCRCfield.(2)BecausetheCRCcalculatedbeforetheWiresharkpacketsnifferstartup.NoCRC-11-6.WhatisthevalueoftheEthernetsourceaddress?Isthist

8、headdressofyourcomputer,orofgaia.cs.umass.edu(Hint:theanswerisno).WhatdevicehasthisasitsEthernetaddress?(1)ThevalueoftheEthernetsourceaddressis:00:23:89:8d:50:71HTTPresponsemessage(2)Thisisneithertheaddressof