You will have to match your router configuration with your syces configuration.

1. You create accounts or vouchers for your hotspot users in advance.
2. They will get to see the default router login page that consists of a left-hand login frame and a second frame that can

be adapted to your needs. Users are asked to enter username and password in the left hand frame.

1. Users may register to create their own accounts.
2. Depending on which option you offer they will get to see the corresponding walled garden page. This may include a login frame, a registration frame, automatic login and reauthentication.

The Radius-Server is configured in system > remote authentication.