@ZoloN Have you installed beta firmware TP-Link Support sent you? It is supposed to fix "the Main DECO provides random IP addresses to clients even if in AP-mode" and might also fix remaining issues...

@leomedmar These log lines are relevant: Mon Feb 12 11:03:49 2024 daemon.notice conn-indicator: Connectivity changed: ONLINE(0x0) -> OFFLINE(0x1) Mon Feb 12 11:03:54 2024 daemon.notice...

Hoggorm wrote @Alexandre. I believe she now has three or four different SSIDs in her home based on what Deco a device is connected to. After placing the system in AP mode, will there be only one SSID...

@Hoggorm Deco mesh Router/Access Point mode is global setting, applies to all Deco nodes in the Deco mesh. In default Router mode, Deco mesh provides WiFi mesh, Main Deco runs as a regular router...

@Hoggorm Start with this: What’s the difference between Access Point mode and Router mode on the Deco? Short summary: if they only need WiFi coverage from Deco mesh and not content/bandwidth...

@Hoggorm OK, so here are remaining steps and make sure you do them locally, so that you can undo changes right away if something goes wrong. Also, you didn't confirm you see NAS in Deco app connected...