Maybe you can try disable Hardware NAT and disable IPv6[B] If that dose not work, I suggest you contact tplink support via email or hotline.[/B]

I contact tplink tech support, they told me that there will be a official firmware for version 3. TXPearl wrote So what about V3? Is there a firmware update for V3 yet? Both V1 and V2 have official...

The same issue, I will try to close 5G wifi. But I wanna use 5G wifi, it is faster than 2.4G :( Then I will try to mail Calvin... Hope calvin will help me resolve it