I am planning to buy 3x deco m4 for my mesh setup. I understand that I should connect main deco to my isp modem via ethernet.

I have one ethernet connected from modem to basement PC. If I want to connect slave deco to basement, should I do it like this:

Modem-ethernet to main deco-ethernet to slave deco in basement-ethernet to PC

Would this work the same as connecting modem to my PC, or I could get issues with latency and speed?

I am using this PC for gaming.

Thanks, and sry for my English, hope you understand.