Yep, it "should have" but Arris is notorious for lousy design. Clearly, my problem is buried somewhere in their engineers' logic. :) My internet supplier gives a list of alternate gateways and modems...

Thanks Tony, The Arris has an internal switch feeding 4 ports so internet is available to all 4. I did try your suggestion but to no avail. I even tried an external switch since I had found on the...

I had my 3 Deco M5's running just fine with my internet provider's Arris DG3270 which is a modem/router. They also had a separate WIFI network running, but it was very weak. That's why I installed...