Ender204426777乾颐堂CCNAv3.0课程BuildingaSimpleNetworkStartingaSwitch开启和认识交换机乾颐堂CCNAv3.0Ender204426777SwitchInstallation•Beforeinstallingaswitch,verifythepowerandcoolingrequirements.•Physicallyinstalltheswitch:–Rackmount–Wallmount–Tableorshelfmount•Verifythenetworkcabling.•Attachthepowercableplugtostarttheswitch.•SystemstartuproutinesperformPOSTandinitiatetheswitchsoftware.Ender.ICND1—1-51乾颐堂CCNAv3.0Ender204426777SwitchLEDIndicators•1—SystemLED(绿色正常，琥珀色故障)•2—RemotePowerSupplyLED（闪烁的绿色-已安装，但无法供电；琥珀色，冗余电源未运行；闪烁的琥珀色，内部电源故障，冗余电源供电）•3–6—PortModeLEDs（双工模式、速率等）•7—ModeButton-功能键(堆叠、破解密码时使用)8—PortStatusLED（琥珀色-管理禁用而不能转发或生成树原因）Ender.ICND1—1-52乾颐堂CCNAv3.0Ender204426777ConnectingtoaConsolePort•Consoleport•Consolecable•USB-to-serialportadapter（RS232）Ender.ICND1—1-53乾颐堂CCNAv3.0Ender204426777BasicSwitchConfigurationConfigurationmodes:Switch#configureterminalSwitch(config)#Switch(config)#interfaceFastEthernet0/1Switch(config-if)#•Globalconfigurationmode•InterfaceconfigurationmodeEnder.ICND1—1-54乾颐堂CCNAv3.0Ender204426777BasicSwitchConfiguration(Cont.)Setthelocalidentityfortheswitch.Switch(config)#hostnameSwitchXSwitchX(config)#Ender.ICND1—1-55乾颐堂CCNAv3.0Ender204426777BasicSwitchConfiguration(Cont.)AssigntheIPaddressandsubnetmaskfortheswitch.SwitchX(config)#interfacevlan1SwitchX(config-if)#ipaddress172.20.137.5255.255.255.0SwitchX(config-if)#noshutdownNote:Mostsoftwareversionsrequireuseofthenoshutdowncommandtomaketheinterfaceoperational.Ender.ICND1—1-56乾颐堂CCNAv3.0Ender204426777VerifyingtheSwitchInitialStartupStatusSwitchX#showversionCiscoIOSSoftware,C2960Software(C2960-LANBASEK9-M),Version15.0(1)SE3,RELEASESOFTWARE(fc1)SwitchXuptimeis15hours,30minutesSystemreturnedtoROMbypower-onSystemrestartedat15:06:49UTCTueAug212012Systemimagefileis"flash:/c2960-lanbasek9-mz.150-1.SE3/c2960-lanbasek9-mz.150-1.SE3.bin"<...
