The NPB application uses the local
		database for authentication by default.
		Before you begin
			
				- Only admin users can perform
                                        this procedure.
- After configuring the client-side TACACS+ server list, you must set the
					authentication mode so that TACACS+ is used as the primary source of
					authentication.
About this task
 You can configure the NPB application to authenticate users with the TACACS+ server as the primary
			method, with the local database as the fallback if TACACS+ is unavailable or
			authentication fails.
		Procedure
				Create a TACACS+ client.
				
					# [no] aaa authentication login tacacs+ local-auth-fallback