Operation Manual – LoginH3C S5600 Series Ethernet Switches Chapter 3 Logging In Through Telnet3-43.2 Telnet Configuration with Authentication Mode BeingNone3.2.1 Configuration ProcedureFollow these steps to configure Telnet with the authentication mode being none:To do… Use the command… RemarksEnter system view system-view —Enter one or more VTYuser interface viewsuser-interface vtyfirst-number[ last-number ]—Configure not toauthenticate userslogging in to VTY userinterfacesauthentication-modenoneRequiredBy default, VTY users areauthenticated after loggingin.Configure the commandlevel available to userslogging in to VTY userinterfaceuser privilege levellevelOptionalBy default, commands oflevel 0 are available to userslogging in to VTY userinterfaces.Configure the protocols tobe supported by the VTYuser interfaceprotocol inbound { all| ssh | telnet }OptionalBy default, both Telnetprotocol and SSH protocolare supported.Set the commands to beexecuted automaticallyafter a user login to theuser interfacesuccessfullyauto-executecommand textOptionalBy default, no command isexecuted automatically aftera user logs into the VTY userinterface.Make terminal servicesavailable shellOptionalBy default, terminal servicesare available in all userinterfaces.Set the maximum numberof lines the screen cancontainscreen-lengthscreen-lengthOptionalBy default, the screen cancontain up to 24 lines.You can use thescreen-length 0 commandto disable the function todisplay information in pages.