I think I have a similar issue as this one, maybe the exact same issue: https://community.tp-link.com/en/home/forum/topic/517920 I also have the Archer AX1500 as my main router with a Archer C20 wirel

I have two routers (AX1500 and Acher C6) where Router 2 is connected to the internet with a wifi bridge (5 GHz) connection. I set the IP and MAC binding on AX1500. The modified MAC address of Router 2