This document explains how to configure an External Splash Page to work on top of your Classic Hotspot infrastructure.
How to configure an SSID with an external splash page without RADIUS
After creating the SSID, access to "Wireless Security" tab and follow the steps described below.

STEP 1
Write your splash page URL in the "Splash Page" field (specify http:// or https://)
STEP 2
Set the client session timeout and the client idle timeout
STEP 3
Configure the walled garden.
For more info: How to configure the Walled Garden if you are using an external splash page
STEP 4
Select the page to which the user is redirected to after authentication: a landing page or a client defined URL
STEP 5
Allow/disallow temporary sessions
STEP 6
Click on APPLY