@David-TP Hi, I will look for an opportunity to switch the main Deco and test it. However, after viewing the topology, I think the disconnection is more likely caused by the internal network loop....

@David-TP Hi!! Hello, I will attach a schematic diagram. When the main Deco X95 light turns red, all of "Zone B" loses network connectivity. However, "Zone A", which branches from the main Deco to...

Operating the main Deco X95 in AP mode, connected via wired LAN under the router, in a network with 9 other Deco units, the main Deco disconnects from the network about once or twice every few days....