I have some problems with custom web authentication on cisco air ct5760.
We create an ssid for guest users with a custom page that works fine, but suddenly it fails and when we open a browser the web login page doesn't show and the next error appear "Network error".
We try with shutdown the ip http sercure-server and start it again, but it doesnt work, now the error changes to "failed to establish security" so we have to reload de WLC and after that, the web login page works correctly.
This has happened on several occasions and did not see anything that may be causing the failure.
The problem occurs with all browsers. Now we have a custome page but this happen with the default page too.
when the page fails the users that is already connected remain connected however a new user can not be authenticated because the page does not appear or the wlc not redirect correctly to the login page, so we have to reload the WLC and then the login page comes up again and works fine until the problem appears again.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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