[Packet.Guide.to.Routing.and.Switching].Bruce.Hartpence.文字版

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1、PacketGuidetoRoutingandSwitchingPacketGuidetoRoutingandSwitchingBruceHartpenceBeijing•Cambridge•Farnham•Köln•Sebastopol•TokyoPacketGuidetoRoutingandSwitchingbyBruceHartpenceCopyright©2011BruceHartpence.Allrightsreserved.PrintedintheUnitedStatesofAmerica.Publishe

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3、itutionalsalesdepartment:(800)998-9938orcorporate@oreilly.com.Editors:ShawnWallaceandMikeHendricksonCoverDesigner:KarenMontgomeryProductionEditor:JasminePerezInteriorDesigner:DavidFutatoProofreader:O’ReillyProductionServicesIllustrator:RobertRomanoNutshellHandbo

4、ok,theNutshellHandbooklogo,andtheO’ReillylogoareregisteredtrademarksofO’ReillyMedia,Inc.PacketGuidetoRoutingandSwitching,theimageofthetailorbird,andrelatedtradedressaretrademarksofO’ReillyMedia,Inc.Manyofthedesignationsusedbymanufacturersandsellerstodistinguisht

5、heirproductsareclaimedastrademarks.Wherethosedesignationsappearinthisbook,andO’ReillyMedia,Inc.wasawareofatrademarkclaim,thedesignationshavebeenprintedincapsorinitialcaps.Whileeveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherandauthorassumenores

6、ponsibilityforerrorsoromissions,orfordamagesresultingfromtheuseoftheinformationcon-tainedherein.ISBN:978-1-449-30655-7[LSI]1314194305ToChristina,Brooke,Nick,andSydney—eternalgratitudefortheloveandthelaughsthatkeepcoming.TableofContentsPreface....................

7、.................................................xi1.RoutingandSwitchingStrategies.........................................1Switching:ForwardingandFilteringTraffic1ForwardingBasedonMACAddresses3Routing:FindingPaths6RoutingDevices7StaticRoutes8DiggingaLittleDeepe

8、r—CommonMistakes12DefaultRoutes13DynamicRoutes15RoutingProtocols15ChoosingorInstallingaRoute17RoutingLoops19DiscardorNullRouting22IPv624Reading25Summary26ReviewQuesti