Dell PowerSwitch S4820T Configuration Guide for the S4820T System 9.14.1.0 - Page 80

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 authentication method for terminal lines is local and the default method list is empty. CONFIGURATION mode aaa 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 mode login 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 the terminal line. LINE mode password Example of Terminal Line Authentication In the following example, VTY lines 0-2 use a single authentication method, line. DellEMC(conf)#aaa authentication login myvtymethodlist line DellEMC(conf)#line vty 0 2 DellEMC(config-line-vty)#login authentication myvtymethodlist DellEMC(config-line-vty)#password myvtypassword DellEMC(config-line-vty)#show config line vty 0 password myvtypassword login authentication myvtymethodlist line vty 1 password myvtypassword login authentication myvtymethodlist line vty 2 password myvtypassword login authentication myvtymethodlist DellEMC(config-line-vty)# Setting Timeout for EXEC Privilege Mode EXEC timeout is a basic security feature that returns Dell EMC Networking OS to EXEC mode after a period of inactivity on the terminal lines. To set timeout, 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 time out by setting the timeout period to 0. LINE mode exec-timeout minutes [seconds] • Return to the default timeout values. LINE mode no exec-timeout Example of Setting the Timeout Period for EXEC Privilege Mode The following example shows how to set the timeout period and how to view the configuration using the show config command from LINE mode. DellEMC(conf)#line con 0 DellEMC(config-line-console)#exec-timeout 0 DellEMC(config-line-console)#show config 80 Management