TUMAS wrote @Alexandre. So the second port of the main should connect directly to the switch? @TUMAS Yes, this is how it works for Deco mesh running in Router mode.

@gordec See this: General questions about Ethernet Backhaul feature on your Deco From that document: In Router mode: Only the main Deco could be connected to your home modem/router. Other satellite...

@TUMAS This is from the link I provided: In Router mode: Only the main Deco could be connected to your home modem/router. Other satellite Deco units should be connected behind the main one, just as...

@TUMAS What is your Deco mesh Operating Mode? You can that it in Deco app, under Advanced:

@TUMAS Check this TP-Link FAQ: General questions about Ethernet Backhaul feature on your Deco

@giffordg giffordg wrote I'm only getting file transfer speeds of 10MB/s......i then realised it is because E4 is only 10/100 ethernet port. Is my conclusion correct? Yes, this is correct. If I buy...