Hey, I'm using ER605 Ver:2.20 ,firmware version 2.3.3 and Oc200 hardware controller, firmware version 6.0.0.36 with Eap650 Outdoor, firmware version 1.2.5.I'm using voucher code authentication. I've opened prohibit wifi sharing feature in ssid setting, but my clients still sharing wifi hotspot from their phones. What else more I need to do to block wifi sharing? please help!