I have setup Google Nest in my house with 2 additional Nest's as a mesh network. I am trying to extend my wifi to my boathouse which is located 50m from my house. To do this, I have purchased a D-Link PowerLine AV2 Gigabit Passthrough Kit. Up at the house, I have plugged the Google Nest into a switch and then plugged that into the D-Link Passthrough Kit. Down at the boat house I have plugged a Google Nest into the other D-Link Passthrough Kit but the Nest cannot join the mesh network. Does anyone know if it is possible to get this working? Any help would be much appreciated.
I would break things down into smaller steps with tests in between. So, first, make sure that boathouse Nest WiFi Router unit has been added to the wireless mesh in the house. Give it a chance to update its firmware if needed, etc. Then, connect it via Ethernet to the switch (which is, presumably, connected to the LAN Ethernet port on your primary Nest WiFi Router unit). Use the Google Home app to verify that the new unit is connecting "wired" instead of "mesh". Then connect your boathouse powerline adapter to another outlet in the house and connect the new Nest WiFi unit to that instead of directly to the switch. Verify "wired" in the Google Home app once again. Finally, move the powerline adapter and new Nest WiFi unit out to the boathouse. If it has worked at every step up to this point, but doesn't work out there, then focus on the powerline adapter (maybe use a laptop or something to test that). If it fails at any of the earlier steps, you can focus on solving those problems in a simpler environment. I hope this helps!
I just wanted to jump in real fast to see if you saw MichaelP's reply and to see if you still needed some help on this or if you were able to get it sorted out. If you are still needing some help, just let us know and we'll be happy to continue helping.
Just one quick final check in here since activity has slowed down. We'll be locking the thread in the next 24 hours, but if you still need help, I would be happy to keep it open. If there's more we can do, just let me know.