Cisco 2960 X Owners Manual
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CHAPTER 1 Using the Command-Line Interface Thischaptercontainsthefollowingtopics: •InformationAboutUsingtheCommand-LineInterface,page1 •HowtoUsetheCLItoConfigureFeatures,page5 Information About Using the Command-Line Interface ThissectiondescribestheCiscoIOScommand-lineinterface(CLI)andhowtouseittoconfigureyourswitch. Command Modes TheCiscoIOSuserinterfaceisdividedintomanydifferentmodes.Thecommandsavailabletoyoudepend...
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Table 1: Command Mode Summary About This ModeExit MethodPromptAccess MethodMode Usethismodeto •Change terminal settings. •Performbasic tests. •Display system information. Enterlogoutor quit.Switch>Beginasession usingTelnet,SSH, orconsole. UserEXEC Usethismodeto verifycommands thatyouhave entered.Usea passwordtoprotect accesstothismode. Enterdisableto exit.Switch#WhileinuserEXEC mode,enterthe enablecommand. PrivilegedEXEC Usethismodeto configure parametersthat applytotheentire switch. Toexittoprivileged...
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About This ModeExit MethodPromptAccess MethodMode LineconfigurationUsethismodeto configure parametersforthe terminalline. Toexittoglobal configurationmode, enterexit. Toreturnto privilegedEXEC mode,pressCtrl-Z orenterend. Switch(config-line)#Whileinglobal configurationmode, specifyalinewith thelinevtyorline consolecommand. Using the Help System Youcanenteraquestionmark(?)atthesystemprompttodisplayalistofcommandsavailableforeach...
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PurposeCommand or Action Listsallcommandsavailableforaparticularcommand mode. ? Example:Switch>? Step 4 Liststheassociatedkeywordsforacommand.command? Example:Switch>show? Step 5 Liststheassociatedargumentsforakeyword.commandkeyword? Example:Switch(config)#cdpholdtime?Lengthoftime(insec)thatreceiver Step 6 mustkeepthispacket Understanding Abbreviated Commands Youneedtoenteronlyenoughcharactersfortheswitchtorecognizethecommandasunique....
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Table 2: Common CLI Error Messages How to Get HelpMeaningError Message Reenterthecommandfollowedby aquestionmark(?)withaspace betweenthecommandandthe questionmark. Thepossiblekeywordsthatyoucan enterwiththecommandappear. Youdidnotenterenough charactersforyourswitchto recognizethecommand. %Ambiguouscommand:"showcon" Reenterthecommandfollowedby aquestionmark(?)withaspace betweenthecommandandthe questionmark. Thepossiblekeywordsthatyoucan enterwiththecommandappear. Youdidnotenterallthekeywords...
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Changing the Command History Buffer Size
Bydefault,theswitchrecordstencommandlinesinitshistorybuffer.Youcanalterthisnumberforacurrent
terminalsessionorforallsessionsonaparticularline.Thisprocedureisoptional.
SUMMARY STEPS
1.terminalhistory[sizenumber-of-lines]
DETAILED STEPS
PurposeCommand or Action
Changesthenumberofcommandlinesthattheswitchrecordsduring
thecurrentterminalsessionintheprivilegedEXECmode.Youcan
configurethesizefrom0through256.
terminalhistory[sizenumber-of-lines]...](http://img.usermanuals.tech/thumb/17/102385/w300_2960-x-owners-manual-1511197621_d-15.png "Page 16
Changing the Command History Buffer Size
Bydefault,theswitchrecordstencommandlinesinitshistorybuffer.Youcanalterthisnumberforacurrent
terminalsessionorforallsessionsonaparticularline.Thisprocedureisoptional.
SUMMARY STEPS
1.terminalhistory[sizenumber-of-lines]
DETAILED STEPS
PurposeCommand or Action
Changesthenumberofcommandlinesthattheswitchrecordsduring
thecurrentterminalsessionintheprivilegedEXECmode.Youcan
configurethesizefrom0through256.
terminalhistory[sizenumber-of-lines]...")
Changing the Command History Buffer Size Bydefault,theswitchrecordstencommandlinesinitshistorybuffer.Youcanalterthisnumberforacurrent terminalsessionorforallsessionsonaparticularline.Thisprocedureisoptional. SUMMARY STEPS 1.terminalhistory[sizenumber-of-lines] DETAILED STEPS PurposeCommand or Action Changesthenumberofcommandlinesthattheswitchrecordsduring thecurrentterminalsessionintheprivilegedEXECmode.Youcan configurethesizefrom0through256. terminalhistory[sizenumber-of-lines]...
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PurposeCommand or Action ListsthelastseveralcommandsthatyoujustenteredinprivilegedEXECmode. Thenumberofcommandsthatappeariscontrolledbythesettingoftheterminal showhistory Example:Switch#showhistory Step 3 historyglobalconfigurationcommandandthehistorylineconfiguration command. Disabling the Command History Feature Thecommandhistoryfeatureisautomaticallyenabled.Youcandisableitforthecurrentterminalsessionor forthecommandline.Thisprocedureisoptional. SUMMARY STEPS 1.terminalnohistory DETAILED STEPS...
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PurposeCommand or Action Disablestheenhancededitingmodeforthecurrentterminalsession intheprivilegedEXECmode. terminalnoediting Example:Switch#terminalnoediting Step 2 Editing Commands through Keystrokes Thekeystrokeshelpyoutoeditthecommandlines.Thesekeystrokesareoptional. ThearrowkeysfunctiononlyonANSI-compatibleterminalssuchasVT100s.Note Table 3: Editing Commands DescriptionEditingCommands Movesthecursorbackonecharacter.Ctrl-Borusetheleftarrowkey...
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Deletesfromthecursortotheendoftheword.EscD Capitalizesatthecursor.EscC Changesthewordatthecursortolowercase.EscL Capitalizeslettersfromthecursortotheendofthe word. EscU Designatesaparticularkeystrokeasanexecutable command,perhapsasashortcut. Ctrl-VorEscQ Scrollsdownalineorscreenondisplaysthatare longerthantheterminalscreencandisplay. TheMorepromptisusedforanyoutputthat hasmorelinesthancanbedisplayedonthe terminalscreen,includingshowcommand output.YoucanusetheReturnandSpace...
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DETAILED STEPS PurposeCommand or Action Displaystheglobalconfigurationcommandentrythatextendsbeyond oneline. access-list Example: Switch(config)#access-list101permittcp Step 1 Whenthecursorfirstreachestheendoftheline,thelineisshiftedten spacestotheleftandredisplayed.Thedollarsign($)showsthatthe linehasbeenscrolledtotheleft.Eachtimethecursorreachestheend oftheline,thelineisagainshiftedtenspacestotheleft....