tacacs+ Prompt for a username and password and use a TACACS+ server to authenticate.1. Configure an authentication method list. You may use a mnemonic name or use the keyword default. The default authenticationmethod for terminal lines is local and the default method list is empty.CONFIGURATION modeaaa authentication login {method-list-name | default} [method-1] [method-2] [method-3][method-4] [method-5] [method-6]2. Apply the method list from Step 1 to a terminal line.CONFIGURATION modelogin authentication {method-list-name | default}3. If you used the line authentication method in the method list you applied to the terminal line, configure a password for theterminal line.LINE modepasswordExample of Terminal Line AuthenticationIn the following example, VTY lines 0-2 use a single authentication method, line.Dell(conf)#aaa authentication login myvtymethodlist lineDell(conf)#line vty 0 2Dell(config-line-vty)#login authentication myvtymethodlistDell(config-line-vty)#password myvtypasswordDell(config-line-vty)#show configline vty 0password myvtypasswordlogin authentication myvtymethodlistline vty 1password myvtypasswordlogin authentication myvtymethodlistline vty 2password myvtypasswordlogin authentication myvtymethodlistDell(config-line-vty)#Setting Time Out of EXEC Privilege ModeEXEC time-out is a basic security feature that returns Dell Networking OS to EXEC mode after a period of inactivity on the terminallines.To set time out, use the following commands.• Set the number of minutes and seconds. The default is 10 minutes on the console and 30 minutes on VTY. Disable EXEC timeout by setting the time-out period to 0.LINE modeexec-timeout minutes [seconds]• Return to the default time-out values.LINE modeno exec-timeoutExample of Setting the Time Out Period for EXEC Privilege ModeThe following example shows how to set the time-out period and how to view the configuration using the show config commandfrom LINE mode.Management 65
