I have two Nest Wifi Routers. I have connected them using wired Ethernet
as follows.(✓) Modem → Google Nest Wifi router or primary Wifi point →
Switch → Google Nest Wifi router or Google Wifi point This is a
supported configuration per this document
Thanks MichaelP for your response. It turned out to be STP as you have
mentioned in your other answers. I turned off STP on my switch and it
started using Wired connection for back haul. The Google home app now
shows connection as 'Wired'.So again th...