© Copyright Lenovo 2017 Chapter 3: Configuring the CN4093 41
Accessing the Switch Through the SSHv2/Telnet Interface
Theswitchsupportsa
Command‐LineInterface(CLI)
thatyoucanusetoconfigure
andcontroltheswitchoverthenetworkthroughtheSS Hv2/Telnetclientsoftware.
YoucanusetheCLItoperformmanybasicnetwork‐managementfunctions.In
addition,youcanconfiguretheswitchformanagementthroughanSNMP‐based
network‐managementsystem.
IfyouknowtheIP
addressfortheswitch(“EstablishinganInterfaceThroughthe
CMM”onpage 39)andyouhaveanexistingnetworkconnection,youcanusethe
SSHv2/Telnetclientsoftwarefromanexternalmanagementstationtoaccessand
controltheswitch.Optimally,themanagementstationandtheswitchshouldbeon
thesame
subnet.Otherwise,youmustusearouterandconfigureagateway
addressontheswitch.IfyouhavetoobtaintheIPaddressfortheswitchor
establishanetworkconnection,contactyoursystemornetworkadministrator.
Theswitchalsosupportsuser‐basedsecuritythatenablesyoutoprevent
unauthorizedusers
fromaccessingtheswitchorchangingitssettings.
ToconnecttotheswitchthroughtheSSHv2/Telnetinterface,refertoyourclient
softwareforspecificinstructionsonhowtoinvokeasession.Forexample,using
theMicrosoftTelnetClient,youwouldcompletethefollowingsteps:
1. FromaDOScommand‐lineprompt,type
telnet<switchIPaddress>andpress
Enter.
2. Whenprompted,enteryourusernameandpassword.
Whenloggingintoaswitchforthefirsttime,thedefaultswitchadministrator
usernameisUSERID,andthedefaultpasswordisPASSW0RD
(wherethesixth
characteristhenumberzero,nottheletterO).TheUserIDandpasswordfields
arecase‐sensitive.
Forsecuritypurposes,youwillbepromptedtochangethe
administratorpasswordafterthefirstsuccessfullogin.
Otherwise,ifyouhaveanassigneduseraccount,useyourassigneduser
nameandpassword.
Important:Anyconfigurationchangesmadeusingthemanagementinterfaceswill
belostduringthenextswitchrebootunlessyouexecutethecopy
running-configstartup-configcommand.Thiscommandstoresthe
currentswitchconfigurationandallchangesin
nonvolatilememory.
FormoreinformationaboutconfiguringthroughtheCLI,seetheApplication Guide
andCommandReferenceforyourspecificswitchanditsinstalledfirmware.