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第1页共45页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共45页Ccna培训讲义1CCNA培训讲义SailingEmail:sailing_2000x163.net2002年5月上海2目录前言...........................................................5第一章CCNA介绍..................................................81.1什么是CCNA...............................................81.2CCNA学习内容及目标.........................................81.3CCNA学习基础...............................................91.4考试申请..................................................9第二章ICND课程介绍...............................................112.1课程特点...................................................112.2课程目标...................................................112.3预备知识..................................................122.4课程安排..................................................122.5推荐书目..................................................一三第三章Internetworkingconceptsoverview.........................一五3.1OSIModel提出背景.........................................一五3.2OSI模型的提出意义.........................................163.3OSI模型..................................................173.3.1物理层...............................................一八3.3.2数据链路层...........................................193.3.3网络层...............................................203.3.4传输层...............................................213.3.5会话层...............................................233.3.7应用层...............................................243.4OSI数据封装...............................................253.5Cisco模型...............................................263.6Cisco产品选择............................................26第四章AssemblingandCablingCiscoDevicesOperatingandConfiguringaCiscoIOSDeviceManagingYourNetworkEnvironment.............274.1Cisco路由器...............................................274.1.1路由器硬件构成......................................284.2IOS(InternetworkOperatingSystem).......................294.2.1IOS界面.............................................30第2页共45页第1页共45页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共45页4.2.2常用IOS命令.........................................304.2.3外部配置方式.........................................324.2.4IOS常用快捷键.......................................324.2.5CiscoCDP............................................324.2.6Configuration-Register...............................334.2.7口令恢复.............................................343Module2-InterconnectingCatalystSwitches.........................36第五章Catalyst1900SwitchOperationsExtendingSwitchedNetworkswithVirtualLANs.................................................365.1Switch(Bridge)技术........................................375.2Switch的三个功能..........................................385.3Spanning-TreeProtocol(STP)...............................405.3.1STP的Convergence步骤...............................415.3.2Spanning-TreePortStates............................425.3.3SwitchVsBridgeSwitch的转发模式..................435.4Switch的配置.............................................445.5VLAN虚拟局域网........................................445.5.1什么是VLAN?.........................................445.5.2FrameTagging(帧封装技术)............................465.5...