@klipse Thanks for the advice. I have just redone the cable run with a brand new CAT6 cable, and all seems better now. Tested the old cable, too, and that works at gigabit speeds on some other random...

Hi there! I've just recently setup a new home network comprising an ISP-provided router running in modem mode, and two Deco XE75 Pros. The ethernet topology is as such: Main Deco 1gbps <-> ISP Modem...