思科交换机升级概念

SwitchSoftwareUpgradeConceptsShannonScott,HoneywellAgendaPrerequisitesforUpgradingUpgradingtheswitchCiscoSwitches,2950,2955,2960,35503560and3750useCiscodownloadprocedureol8556.pdfJune2003HoneywellUsers’Group,Phoenix,AZPrerequisitesTFTPserver(eg.SolarWinds)ThelatestswitchIOSsoftwarequalifiedbyHoneywellConnectivitytotheswitchviatheLANScheduledowntimefortheSwitchesJune2003HoneywellUsers’Group,Phoenix,AZCiscoupgradeOverviewToupgradetheswitch’sIOSsoftwarethefollowingactivateswillneedtobecompleted.ConnecttotheSwitchVerifythecurrentrunningversionObtainlatestIOSimageSetupandstartingaTFTPserverConnecttotheswitchCopynewIOStoFlashConfigureswitchtobootfromnewfileSavenewconfigurationReloadVerifythecurrentrunningversionJune2003HoneywellUsers’Group,Phoenix,AZCiscoIOSinstallationViatheconsolecableconnecttotheswitch.Onceontheswitch,getenabled.Nextenterin“showversion”.

C2960-24Y2#shoverCiscoIOSSoftware,C2960Software(C2960-LANBASE-M),Version12.2(25)SEE1,RELEASESOFTWARE(fc1)Copyright(c)1986-2006byCiscoSystems,Inc.CompiledFri28-Jul-0604:33byyenanhImagetext-base:0x00003000,data-base:0x00AA2F34Systemimagefileis"flash:c2960-lanbase-mz.122-25.SEE1/c2960-lanbase-mz.122-25.SEE1.bin“NotetheversionNotethecurrentimagefileloadedJune2003HoneywellUsers’Group,Phoenix,AZCiscoIOSinstallation-continuedNext,determineifflashhasenoughroomforthenewimage.Ifnotdeletingfilesmayberequired.Inthisexample,thereisenoughspacetofitthenewimage.C2960-24Y2#dirflash:Directoryofflash:/2-rwx27Mar1199300:04:27+00:00private-config.text4-rwx736Mar1199300:00:42+00:00vlan.dat5-rwx9412Mar1199300:04:27+00:00config.text6drwx192Mar1199300:05:30+00:00c2960-lanbase-mz.122-25.SEE132514048bytestotal(24793600bytesfree)NotethesoftwareimageJune2003HoneywellUsers’Group,Phoenix,AZCiscoIOSinstallation-continuedTodownlineloadthenewimage,setupaFTPserver.VerifythattheswitchhasanIPaddedfortheupgradecommunication.Telnetshouldnotbeusedfortheupgradeprocess.Adirectconnectiontotheswitchconsoleportishighlyadvised.June2003HoneywellUsers’Group,Phoenix,AZCiscoIOSinstallation-continuedOncetheTFTPserverissetup,newimagefileisintheTFTPdirectory,andtheTFTPserverisrunning,executethe“copyTFTP:FLASH:”commandattheenabledpromptoftheswitch.Switchb#copy

tftp:flash:Addressornameofremotehost[]?0Sourcefilename[]?c2960-lanbase-mz.122-25.SEE2.binDestinationfilename[c2960-lanbase-mz.122-25.SEE2.bin]?Accessingt0/c2950-i6q4l2-mz.121-14.EA1.bin...Loadingc2960-lanbase-mz.122-25.SEE2.binfrom0(viaVlan1):!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!O!!!O!!!O!!!!!!!!!!!!!!!!O!!!O!!!O!!!O!![OK-2959275bytes]2959275bytescopiedin121.396secs(24377bytes/sec)Switchb#June2003HoneywellUsers’Group,Phoenix,AZCiscoIOSinstallation-continuedAfterthedownloadhascompletedverifythenewfileinFlashbyexecutingthe“showflash”command,followedbythe“verifyflash:<filename>”command.C2960-24Y2#shoflashDirectoryofflash:/2-rwx27Mar1199300:04:27+00:00private-config.text4-rwx736Mar1199300:00:42+00:00vlan.dat5-rwx9412Mar1199300:04:27+00:00config.text6drwx192Mar1199300:05:30+00:00c2960-lanbase-mz.122-25.SEE232514048bytestotal(24793600bytesfree)C2960-24Y2#verifyflash:c2960-lanbase-mz.122-25.SEE2.binVerifiedflash:c2960-lanbase-mz.122-25.SEE2.binNotethenewimagefileBeforesettingthebootsystem,verifytheimage’schecksumbyusingthe“verifyflash:<filename>”command.June2003HoneywellUsers’Group,Phoenix,AZCiscoIOSinstallation-continuedNextsettheswitchtobootfromthenewimageby,firstgettingintoconfigurationmodeandthenbyexecutingthe“bootsystemflash:<filename>”command.Nextexittheconfigurationmodeandsavethenewsettingsbyexecutingthe“writemem”command.Oncecompleted,reloadtheswitchtobootfromthenewcode,byusingthe“reload”command.C2960-24Y2#configtermEn