Can you clarify this response: + No, i`m using gateway The service port can only be accessed on the same subnet. It has no concept of a default gateway therefore any traffic you are trying to send to it from an outside subnet will never make it back...

Are you on the same network segment as the management or service port? Do you have a CPU ACL setup on the WLC that would be restricting connections to it? Do you have other ACL's or firewalls that could be blocking the traffic? Assuming you are no...

Specify https://<IP> instead of http://<IP>

What exactly happens when you try to reach the WLC via the web GUI? Timeout? Connection refused? Are you specifying https://<IP>; ? Are you trying to ssh/http into the WLC on the same subnet as the service port? If not, I'd recommend tracing packets...

From https://supportforums.cisco.com/discussion/11859111/web-access-wlc-management Are you able to access the WLC from wired network? Ar e you trying to access the WLC through telnet/SSH or GUI? In order to access the WLC you should use the managmen...