I understand that this is a well-known issue. I missed the warranty period by a mile, because most of my devices were connecting to the 5GHz, which works fine. But I'm adding a few smart home devices

I've replaced a Verizon FiOS router with C2300. The new Archer, however, does not list quite a few devices that are connected through a switch. This was not an issue with the FiOS router, which listed