Hello,
We are at initial phase of deploying ISE 2.3 in our environment for Wireless Guest Users.
I have configured ISE and WLC to talk to each other which is working fine. An SSID with MAC-Filtering is also configured on WLC and ACL only allowing ISE and DNS traffice.
Now, when I try to connect my device (laptop and android mobile), I see my device gets associated with the SSID and gets the right IP Address from DHCP, But the problem is that when I open my browser on my device, it doesn't get redirected to the guest portal url.