52 CHAPTER 4: L OGGING IN THROUGH TELNETTelnet Configurationsfor DifferentAuthentication ModesTable 22 lists Telnet configurations for different authentication modes.Telnet Configurationwith AuthenticationMode Being NoneConfiguration ProcedureTable 22 Telnet configurations for different authentication modesAuthenticationmode Telnet configuration DescriptionNone PerformcommonconfigurationPerformcommon TelnetconfigurationOptionalRefer to Table 21.Password Configure thepasswordConfigure thepassword forlocalauthenticationRequiredPerformcommonconfigurationPerformcommon TelnetconfigurationOptionalRefer to Table 21.Scheme Specify toperform localauthenticationor RADIUSauthenticationAAAconfigurationspecifieswhether toperform localauthenticationor RADIUSauthenticationOptionalLocal authentication is performed bydefault.Refer to “Configuring RADIUSAuthentication/AuthorizationServers” on page 525 for more.Configure username andpasswordConfigure usernames andpasswords forlocal/RADIUSusersRequired■ The user name and password of alocal user are configured on theswitch.■ The user name and password of aremote user are configured onthe RADIUS server. Refer to usermanual of RADIUS server formore.Manage VTYusersSet service typefor VTY usersRequiredPerformcommonconfigurationPerformcommon TelnetconfigurationOptionalRefer to Table 21.Table 23 Telnet configuration with the authentication mode being noneOperation Command DescriptionEnter system view system-view -Enter one or more VTY userinterface viewsuser-interface vtyfirst-number [ last-number ]-Configure not to authenticateusers logging into VTY userinterfacesauthentication-mode none RequiredBy default, VTY users areauthenticated after loggingin.
