@NaveenNL Try different Ethernet cable. What you describe points at Satellite Deco unable to negotiate gigabit Ethernet speed with Main Deco. In that situation, they will downgrade their Ethernet...

@mogplus8 The speed they list is maximum theoretical combined WiFi speed for devices connected to Deco unit. The actual Internet speed of your Deco mesh is limited by Main Deco 100Mbps Ethernet port....

@yxedeco This forum will not allow me to post external links, but search for below text in Amazon Canada. Shipped and sold by Amazon, current price CAD14.99 I had that same switch till I upgraded my...

@mogplus8 Deco E4 has 100Mbps Ethernet ports. It will not provide you with Internet speeds faster than that, because Main Deco E4 is connected to the modem over 100Mbps Ethernet link.

@newmoro This situation usually means networking switch does not support Deco Ethernet backhaul protocol. Check the following TP-Link FAQ document, it may provide more information on that topic:...

@IsTwM Deco X55 comes with three gigabit Ethernet ports. Your PC can not connect to X55 by Ethernet cable with speeds faster than gigabit. If your X55 set is still in Amazon return window, I suggest...