欢迎来到天天文库
浏览记录
ID:20643191
大小:1.74 MB
页数:24页
时间:2018-10-14
《思科网络技术培训之3:连接cisco设备》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ObjectivesUponcompletionofthischapter,youwillbeabletoperformthefollowingtasks:IdentifyandconnectnecessarycomponentstoenableconnectivitybetweenroutersorswitchesIdentifyandconnectnecessarycomponentstoenableWANconnectivityoverserialorISDNBRIconnectionsObjectives(cont.)Setupc
2、onsoleconnectionsbetweenrouters,switchesandaterminalDocumentthephysicaltopology,includingcabletypesandcablelocationsoneachinternetworkingdevicecore_sw_aISDNCloudLeasedLine/FrameRelayCablingtheCampusLegendFastEthernet/EthernetISDNDedicatedCore_ServerPhysicalDataLink(MAClay
3、er)LANPhysicalLayerImplementationsPhysicallayerimplementationsvarySomeimplementationssupportmultiplephysicalmediaEthernet100baseTX10BaseT802.310Base510Base2100baseFX802.3Specificationsfor10mbEthernet802.3uSpecificationsfor100mb(Fast)Ethernet100baseT410BaseFDIXStandardPosi
4、tioningEthernetintheCampusAccessLayerDistributionLayerCoreLayerEthernet10BaseTPositionFastEthernetPositionAccessLayerDistributionLayerCoreLayerProvidesconnectivtybetweentheenduserdeviceandtheaccessswitch.Nottypicallyusedatthislayer.Giveshigh-performancePCandworkstations10
5、0-Mbpsaccesstotheserver.Providesconnectivitybetweenaccessanddistributionlayers.Providesconnectivityfromthedistributiontocorelayer.Providesconnectivityfromtheserverblocktothecorelayer.Providesinter-switchconnectivity.Nottypicallyusedatthislayer.ComparingEthernetMediaRequir
6、ements10Base5100BaseTX10BaseT100BaseFXMediaMaximumSegmentLengthTopologyConnector50-ohmcoax(thick)500metersBus100metersStarStarPoint-to-PointEIA/TIACat3,4,5UTP2pairEIA/TIACat5UTP2pair62.5/125micronmulti-modefiberAUIISO8877(RJ-45)Duplexmedia-interfaceconnector(MIC)STISO8877
7、(RJ-45)400meters100metersDifferentiatingbetweenConnectionsAUIconnectorsareDB15ISO8877(RJ-45)connectorsandjacksareslightlylargerthanRJ-11phoneconnectorsandjacksFiberConnectorPortUTPDeviceTheRJ-45Connector188Pair4R41234567WirePairTisTipRisRingPair2T2Pair2R2Pair3T3Pair1R1Pai
8、r1T1Pair3R3Pair4T4PinUTPImplementationStraight-throughWiresoncableendsareinsameorderPinLabel1RD+
此文档下载收益归作者所有