Add a Zyxel Nebula Site
If you still need to do so, please create a Site with Zyxel as the WiFi router.
Find configuration details in Spotipo
Navigate to the Zyxel APs option under Settings -> Zyxel Nebula Config.
You will be presented with Portal URLs, NAS identity and Radius Secret. Please note it all down.
Configure SSID Authentication in Nebula Cloud
Navigate to SSID advanced settings in Nebula Cloud. And select the SSID you wish to use with Spotipo.
Select Sign in the method as Sign On With My Radius Server
Use 35.205.248.64 and 34.140.222.95 as IP of first and second-radius servers, respectively
Use 1812 as the port number and use the secret generated in the previous step
Configure the NAS identifier with the value created in the previous step.
Enable accounting and fill the radius server values as 34.77.150.10 and 35.205.248.64
Use 1813 as the port number
Configure Walled Garden
Enable the Walled garden range and enter the below values
logme2wifi.com app.spotipo.com *.facebook.com *.fbcdn.com www.facebook.com
Enable Guest Network
In the SSID overview page, enable Guest Network Setting. Remember to press Save.
Configure Captive Portal Settings
Navigate to the Captive Portal Settings page in the Nebula cloud.
Enable use URL in External Portal Setting
Use URL generated in the Spotipo settings under "External Captive Portal URL" settings
Change Captive portal Behaviour as "To promotion URL" and use the "Redirect URL" genereated in Spotipo as the URL.
Save and test
Save the settings and wait a few minutes for it to be active. After that, try to connect a device to Guest SSID, and you should see the splash page.