@RogerMag OK. Thanks. Now that I know it should work I will investigate further.

@Carl i understand that there should be but it does not appear that there is. When the second power is plugged in to a switch there is no active Ethernet port detected. Is there a way to debug?

I have recently installed a Deco M5 3 pack. The M5 connected to my modem in Wireless Router mode. One of the satelite M5s is providing internet access to a PC over one of it's LAN ports. My question...