Hi FHegnauer, thanks for the quick response.
yes we have already integrated our Domain controller (installed Radius server on domain controller and added as a Radius server on Aruba WLC) with Aruba WLC for captive portal authentication (SSID with PSK and internal captive portal authentication) and its working fine.
now for new SSID we are planning Dot 1x SSID, could you please clarify following
1. can we use same radius server for Dot1x authentication.
2. on user pc is there any certificate we need to install (any certificate exported from authentication server).
3. we are planning to use DHCP server from Aruba, we didnt find to to create MAC-Filters for MAC binding.
4. what is the AAA profile configuration
5. why we need to create a GPO on DC (is there any policy required)