17ViewUser interface viewDefault level3: Manage levelParametersnone: Performs no authentication.password: Performs local password authentication.scheme: Performs AAA authentication. For more information about AAA, see the Security ConfigurationGuide.DescriptionUse the authentication-mode command to set the authentication mode for the user interface.Use the undo authentication-mode command to restore the default.By default, the authentication mode for VTY user interfaces is password, and for AUX user interfaces isnone.Related commands: set authentication password.Examples# Specify that no authentication is needed when users log in to the device through VTY 0. This mode isinsecure. system-view[Sysname] user-interface vty 0[Sysname-ui-vty0] authentication-mode none# Use password authentication when users log in to the device through VTY 0, and set the authenticationpassword to 321. system-view[Sysname] user-interface vty 0[Sysname-ui-vty0] authentication-mode password[Sysname-ui-vty0] set authentication password cipher 321# Authenticate users by username and password when users log in to the device through VTY 0. Set theusername to 123 and the password to 321. system-view[Sysname] user-interface vty 0[Sysname-ui-vty0] authentication-mode scheme[Sysname-ui-vty0] quit[Sysname] local-user 123[Sysname-luser-123] password cipher 321[Sysname-luser-123] service-type telnet[Sysname-luser-123] authorization-attribute level 3command accountingSyntaxcommand accountingundo command accounting
