I know that.
I came to the forum looking for a solution… but I discovered that with a more powerful router it works correctly.
I have tried with hap ac Lite and it does not go over 16mbps 20 at best and later an hAP AC2 and I have no losses
Navigating some pages failed (mainly banks), set it to 1542 and they now work correctly. (I read that on this forum too