IP报告采分点

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1、Part1:RoutingInformationProtocol(RIP)Basics[10%]showiproute[2%]Explainthemeaningofeachofthefields.Typeexittologoutofthezebradaemon.showiprip[2%]ExplainthemeaningofeachofthefieldsDoestheroutingtablegivethecompletepathsayfromtestbed5totestbed11?traceroute200.1.6.11[2

2、%]ExplainhowtracerouteemploysInternetControlMessageProtocol(ICMP)messages.ping200.1.6.11[2%]Explainthemeaningofeachofthefields.tcpdump-vv-X-iste0–l

3、teetb1file1.txt[2%]Explainthemeaningofthefirst20bytesofoneofthecapturedpackets.Part1=%Part2:ExaminingFailureandReconv

4、ergencewithRIP[10%]removetheappropriatecable[5%]Atwhattimeisreachabilityrestoredandwhatisdifferentfrombeforethebreakage?Restorethelink[5%]ObservewhathappenstotheTTLandTimefieldsinthepingmessages.Whatisthenexthoptonetwork200.1.6.0/24?Part2=%Part3:OpenShortestPathFir

5、st(OSPF)Basics[10%]showiproute[2%]Explainthemeaningofeachofthefields.showipospfdatabase[2%]ArewedirectlyconnectedtotheADVrouterinallcases?Whatisthepurposeofthesequencenumber?showipospfneighbour[2%]Whatactivityispermittedwhenthisstateisreached?Towhatdoes“Backup”refe

6、r?showipospfinterface[2%]Notethedead-time,wait-timeandretransmittimesshowipospfneighbor.[2%]Whydowehaveadesignatedrouteronthisinterfacebetweentworouters?Part3=%ELB3403RoutingExperimentELB3403RoutingExperimentPart4:ExaminingFailureandReconvergencewithOSPF[10%]remove

7、theappropriatecable[2%]Atwhattimeisreachabilityrestoredandwhatisdifferentfrombeforethebreakage?Restorethelink.[2%]ObservewhathappenstotheTTLandTimefieldsinthepingmessages.Examinethecapturedfile[6%]Whatmessagesdoyouseeandwhatistheirpurpose?Part4=%Part5:OSPFParameter

8、NegotiationandCostSetting[5%]Adjustthehellovalueto5(seconds).[2%]Notedowntheadjacencystate.Restoreittoitsoriginalvalue[2%]Notethepathtaken.Setthecostforinterfacedc3tobe6.[1%]Notethepathtaken.Part5=%Part6:RIP/OSPFRouteInjection[5%]Testbed12willbeallowedtosupportRIPo

9、ninterfaceste1andOSPFoninterfaceste0.Fromtestbed5tryatracerouteto200.1.1.9[1%]Explainwhatyouobserve.Note,wehavenotenabledrouteinjectionatthistime