@Pelikano Hi Leon, As far as I know, this feature had been raised up to the development team for some time, while we cannot actually give you an ETA that when we will have it in the new firmware,...

@tinohays Hello, Have you tried to disable the NAT Boost on the C9 (Advanced-System Tools-System Parameters)? Please give it a go, we will email you at the same time, if this doesn't help, please get...

@Chaoss Hello, thank you very much for your detailed info. This issue may need to escalate to our engineers, and they will email you, if you are willing to do further analysis, please check your...

@Romis Great. Good to know this firmware solved the issue.

@woss Hello, sorry for the bad url, please check this one: https://community.tp-link.com/en/home/forum/topic/215446

@Sebastian42 Hello, thanks for updating again. Have you received our email? You may check it and confirm, thanks.