CiscoPassword破解

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1、Step-by-StepProcedureFollowthesestepsinordertorecoveryourpassword:1.AttachaterminalorPCwithterminalemulationtotheconsoleportoftherouter.Usetheseterminalsettings:o9600baudrateoNoparityo8databitso1stopbitoNoflowcontrolRefertothesedocumentsforinformationonhowtocableandconnectaterminaltothecon

2、soleportortheAUXport:oCablingGuideforConsoleandAUXPortsoConnectingaTerminaltotheConsolePortonCatalystSwitchesoConnectaTerminaltoCatalyst2948G-L3,4908G-L3,and4840GSeriesSwitches2.Ifyoucanaccesstherouter,type showversion attheprompt,andrecordtheconfigurationregistersetting.See ExampleofPassw

3、ordRecoveryProcedure inordertoviewtheoutputofa showversion commandNote: Theconfigurationregisterisusuallysetto0x2102or0x102.Ifyoucannolongeraccesstherouter(becauseofalostloginorTACACSpassword),youcansafelyassumethatyourconfigurationregisterissetto 0x2102.3.Usethepowerswitchinordertoturnoff

4、therouter,andthenturntherouterbackon.ImportantNotes:oInordertosimulatethissteponaCisco6400,pulloutandthenplugintheNodeRouteProcessor(NRP)orNodeSwitchProcessor(NSP)card.oInordertosimulatethissteponaCisco6x00withNI-2,pulloutandthenplugintheNI-2card.4.Press Break ontheterminalkeyboardwithin60

5、secondsofpowerupinordertoputtherouterintoROMMON.Ifthebreaksequencedoesnotwork,referto StandardBreakKeySequenceCombinationsDuringPasswordRecovery forotherkeycombinations.5.Type confreg0x2142 atthe rommon1> promptinordertobootfromFlash.Thisstepbypassesthestartupconfigurationwherethepasswords

6、arestored.1.Type reset atthe rommon2> prompt.Therouterreboots,butignoresthesavedconfiguration.2.Type no aftereachsetupquestion,orpress Ctrl-C inordertoskiptheinitialsetupprocedure.3.Type enable atthe Router> prompt.Youareinenablemodeandshouldseethe Router# prompt.4.Type configurememory or 

7、copystartup-configrunning-config inordertocopythenonvolatileRAM(NVRAM)intomemory.Important: Do not type copyrunning-configstartup-config or write.Thesecommandseraseyourstartupconfiguration.5.Type showrunning-config.The showrunning-config commandshowstheconfigu