@Bigredfury The solution will definitely be to reset and redo everything, and then you will have the same issue again as soon as your ISP goes down. If I didn't live in a country where I can't return...

@Andrewe1 "Never buying tp-link devices ever again." This is where I am at as well. I have completely lost all incentive to purchase from TP-Link ever again because of this crazy implementation. Our...

@David-TP Yes, I live in a country where Internet access suffers occasional outages, sometimes more frequently. Connecting the LAN servers to the satellite Deco units (1) is not feasible because the...

@gn0s1s I'm pretty sure I've figured out that this is due to WAN auto-sensing. Here's a relevant thread, with no solution from TP-Link (shame on you!).

@TP-Link This is a major issue! We need access to our wired LANs while we are offline! Fix this immediately!

Simple: as soon as my ISP goes down, my wired LAN loses all assigned IPs. This means that what should continue working, like local file server/media center access, now becomes dependant on having a...