@MissMuffet Disable fast roaming & enable beamforming. Also, set your main network to 5 Ghz only, and set the guest network to 2.4 ghz only, then try again

joluinfante wrote I need to have both, due to contingencies, which are common. @joluinfante What are the "common" contingencies??? "WAN/LAN auto-sensing" means if you use one of the ports as a LAN...

@Benny_Whitehous Deco X20-DSL or X50-DSL

@Vivek009 Disable fast roaming & enable beamforming

@UrbyG Well, with the rollout of Wi-Fi 6E & Wi-Fi 7 routers, Wi-Fi 5 routers (except M5 & M9 Plus) are not prioritized anymore

@Bods3 Add X10 to the existing network, then set it as main deco