After you have self-enrolled for DUO using your mobile phone(IPhone, Android) via NetID management Application, you can login to any CAS protected application using two-factor-authentication. You will first need to enter your CAS NetID and password:
Click on “Enter a Passcode” button as shown in screen above. You will see “Text me new codes” button appear on bottom right corner of the screen. Click it.
You will receive SMS Passcodes on your mobile phone:
Enter any one of these passcodes in the provided text box for passcode and click the “Log in” button.
Note: You can use each of the passcodes provided in your SMS only one time.