I have upgraded the wiring for my local network to CAT5e and am getting much slower speeds from my Deco x55 network when connecting everything via wired back-haul than when I disconnect the x55 satell

I'm new to mesh networking. My new Deco x55 setup is working pretty well, but I'm looking to maximize it. My fiber ISP speed is 250Mbs. I have CAT5 wiring in place and hooked it up for backhaul hoping

I've got my home wired with CAT5 (not 5e) and have 250 Mbs fiber-optic internet. When I hook up my x55 three-node network with wired backhaul the though-put is substantially slower than when I just se