I am experiencing a similar problem. My setup does not have a double
NAT; the Google Nest Pro is linked directly to the ONT. The speed drop
is isolated to the mesh point, while the main router remains unaffected.
Power cycling the mesh point fixes th...
I have the same problem , but with the regular Nest Wifi, and it also
only happens with selected devices on the 2.4GHz band. One of them is
the Harmony Hub, which disconnects from the network every few seconds
and then reconnects, and this continues ...