The future Zenwifi requires me to have a hub plugged in before serving the WAN for internet. ASUS needs to fix this how to file a bug ?
Requires what?
A Hub and a Switch are two very different animals.It’s explained here :
A Hub, also known as a repeater, offers Layer-1 transmission only.
A Switch offers Layer-2 or Layer-3 switching - which is best described intelligent packet forwarding.
Just because you can plug an ethernet cable into either, and they are both generally the same shape (a box), does not mean you can use the terms interchangeably.
At no point in the article you referenced is Hub mentioned...