@Solla-topee thanks for replying, I am a certified Cisco wireless engineer and I work with roaming all day, it's not about the application it's about the repeater it self it shouldn't nat my traffic...

Hello i am having roaming problems with my TL-WA850RE V7, DHCP is off and signal is great, any device, iPhone windows etc when moving from the main modem to the range extender the session is dropped...