i have configured my wlc for the web authentication, now work fine. But for the login page i must insert manual te virtual ip of the WLC (22.214.171.124).
There is a method that when you connect to the SSID the web page is displayed automatically?
What code of WLC version are you using ? Also make sure opening web page is http & not https (normally most of sites, like google, automatically use https & those won't redirect)
Also check your DNS to make sure it properly resolve URL. Also try by adding a DNS entry for 126.96.36.199 IP as well.
Here are some reference WebAuth config example which may help you as well
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