This chapter summarizes the accounting, authentication, and authorization (AAA) Terminal Access Control Access-Control System (TACACS) policy commands in the CLI command structure.

TACACS is a network security application that provides additional network security by providing a centralized authentication, authorization, and accounting platform. TACACS implementation requires configuration of the TACACS authentication server and database.

Use the (config) instance to configure AAA-TACACS policy commands. To navigate to the config-aaa-tacacs-policy instance, use the following commands:

<DEVICE>(config)#aaa-tacacs-policy <POLICY-NAME>
nx9500-6C8809(config)#aaa-tacacs-policy test
AAA TACACS Policy Mode commands:
  accounting      Configure accounting parameters
  authentication  Configure authentication parameters
  authorization   Configure authorization parameters
  no              Negate a command or set its defaults

  clrscr          Clears the display screen
  commit          Commit all changes made in this session
  do              Run commands from Exec mode
  end             End current mode and change to EXEC mode
  exit            End current mode and down to previous mode
  help            Description of the interactive help system
  revert          Revert changes
  service         Service Commands
  show            Show running system information
  write           Write running configuration to memory or terminal