3-5Network diagramFigure 3-1 Network diagram for Telnet configuration (with the authentication mode being none)Configuration procedure# Enter system view. system-view# Enter VTY 0 user interface view.[Sysname] user-interface vty 0# Configure not to authenticate Telnet users logging in to VTY 0.[Sysname-ui-vty0] authentication-mode none# Specify commands of level 2 are available to users logging in to VTY 0.[Sysname-ui-vty0] user privilege level 2# Configure Telnet protocol is supported.[Sysname-ui-vty0] protocol inbound telnet# Set the maximum number of lines the screen can contain to 30.[Sysname-ui-vty0] screen-length 30# Set the maximum number of commands the history command buffer can store to 20.[Sysname-ui-vty0] history-command max-size 20# Set the timeout time to 6 minutes.[Sysname-ui-vty0] idle-timeout 6Telnet Configuration with Authentication Mode Being PasswordConfiguration ProcedureFollow these steps to configure Telnet with the authentication mode being password:To do… Use the command… RemarksEnter system view system-view —Enter one or more VTYuser interface viewsuser-interface vtyfirst-number [ last-number ] —Configure to authenticateusers logging in to VTYuser interfaces using thelocal passwordauthentication-modepassword RequiredSet the local passwordset authenticationpassword { cipher | simple }passwordRequiredWhen the authentication mode is password, the command level available to users logging in to the userinterface is determined by the user privilege level command.
