Ender204426777乾颐堂CCNAv3.0课程BuildingaSimpleNetworkOperatingCiscoIOSSoftware操作IOS系统软件乾颐堂CCNAv3.0Ender204426777CiscoIOSSoftwareFeaturesandFunctionsCiscoIOSSoftwaredeliversnetworkingservicesinCiscoproducts:•Connectivity,forhigh-speedtrafficbetweendevices-连通性•Security,tocontrolaccessandprohibitunauthorizednetworkuse-安全性•Scalability,toaddinterfacesandcapabilityfornetworkgrowth-扩展性•Reliability,toensureaccesstonetworkedresources-可靠性•Consistency,toexperienceamongvariousdevicetypes-一致性（新增加的一点，稍稍值的怀疑）Ender.ICND1—1-30乾颐堂CCNAv3.0Ender204426777CiscoIOSCLIFunctionsTheCLIisusedtoentercommands.•Operationsvaryondifferentinternetworkingdevices.•Userstypeorcopy-and-pasteentriesintheconsolecommandmodes.•Commandmodeshavedistinctiveprompts.•PressingEnterinstructsthedevicetoparse(translate)andexecutethecommand.•ThetwoprimaryEXECmodesareusermodeandprivilegedmode.Ender.ICND1—1-31乾颐堂CCNAv3.0Ender204426777UserEXECMode-用户模式UserEXECmodeallowslimitedexaminationofaswitchorarouter•Commandprompt:hostname>Switch>?Execcommands:access-enableCreateatemporaryAccess-Listentryaccess-profileApplyuser-profiletointerfaceclearResetfunctionsconnectOpenaterminalconnectioncryptoEncryptionrelatedcommandsdisableTurnoffprivilegedcommandsdisconnectDisconnectanexistingnetworkconnectionenableTurnonprivilegedcommandsexitExitfromtheEXECEnder.ICND1—1-32乾颐堂CCNAv3.0Ender204426777PrivilegedEXECMode-特权模式PrivilegedEXECmodeallowsdetailedexaminationofaswitchorarouter•Enablesconfigurationanddebugging•Prerequisiteforotherconfigurationmodes-进入其他模式的前提•ChangefromuserEXECmodetoprivilegedEXECmodeusingtheenablecommandEnder.ICND1—1-33乾颐堂CCNAv3.0Ender204426777PrivilegedEXECMode(Cont.)•Commandprompt:hostname#Switch>enableSwitch#?Execcommands:access-enableCreateatemporaryAccess-Listentryaccess-profileApplyuser-profiletointerfaceaccess-templateCreateatemporaryAccess-ListentryarchiveManagearchivefilesbeepBlocksExtensibleExchangeProtoc...
