@Tony Thanks. I set the Deco x60 to Access Point Mode (turning off its routing features) and relies on the xFi router for routing instead. That worked.

I am unable to access github.com at all from behind the Deco x60. But if I disconnect my phone or computer from the Deco's WiFi and connect them directly to the WiFi of my Xfinity XFi modem router,...

@bupp Work-around: Put a router that supports WOL between the Deco and the computer you want to wake up. I plug my old Netgear router into one of the ports on a Deco. Then connect my desktop computer...

Indeed. So setting QoS to "Standard" is the same as turning off QoS? Please add the word "Off" next to the word "Standard" in that user interface to stop confusing users and wasting our time. Thank...