@VoodooGTSR I believe you can achieve that by using a Deco BE65-5G as main Deco. More info: https://community.tp-link.com/en/home/forum/topic/714686

@Turrash If the Deco receives 192.168.1.78 as WAN IP address (showed in the Deco app in "Internet Connection", I believe the ATT box does not behave as a bridge. Could the ATT box run in...

@Elfstones I expect a wired backhaul will significantly increase the speed for all devices connected to the satellite Decos.

@PauloAndrade I believe the Deco do not support wan aggregation or link aggregation.

@NetworkHelper I wonder about the actual benefit of securing DNS on routers. I prefer securing DNS on my devices. Hence my devices are protected on all networks. Why would a router participate in DNS...

@Ayengar Devices connected to the Deco by wire, or to a "regular" Deco wireless network (not guest, not IOT) should be working together as if they were on the same wifi. Using the same SSID, or...