@Glraffyflores DLink switches are known to be incompatible with Deco Ethernet backhaul protocols. See this document: General questions about Ethernet Backhaul feature on your Deco

@hquant If there are issues with Ethernet cable, everything is possible. Including degraded upload speed. You now know where to look. Try connecting that Ethernet cable to different ports of third...

@Gallineja See How many Deco units can I add to my Deco mesh network?

@hquant It would help if you draw the diagram how your Deco devices are connected to each other, and if through switch - also switch brand name and model number. It appears your third Deco device...

skribble wrote it has UK/2.0 next to the serial number, don't know if it this this. is it that? @skribble Yes, it means you have UK model, version 2.0. Mine says US/3.0 next to serial number, which...

Nardol wrote @Alexandre. For me the link of post #290 has not country in the file name. But the page states "EU" so if I am right it should be OK for France... @Nardol I haven't checked latest news,...