AAA, NAC, Guest Access & BYOD

If a network admin/receptionist is trying to create multiple Guest user accounts in one step and wants to change the type of the username format. How to achieve it?

In order to change the way random usernames are generated, we need to navigate to the following location:

Guest > Configuration > Guest Manager > Username Type

Here we have options to change the username types as following:

1) Random digits

2) Random letters

3) Random letters and digits

4) Format picture

5) Sequential numbering