@Ijanzz Hi, thank you very much for posting on TP-Link community. 1. The speedtest was run via wired connection to the Archer BE800 router, right? 2. Please connect the same computer to your ISP...

@Ashbeel111 Hi, what is the model no., hardware and firmware version of your TP-Link router? Please also provide more details about the issue including your network topology, detailed problem...

@FelixMeow Hi, BE9300 or BE550 supports up to 64 mac addresses in the access control deny list/allow list.

@OddGentleman Thanks for the feedback, I've seen your reply in another thread and already escalated your case to our senior engineer.

@OddGentleman To assist you efficiently, I've forwarded your case to the TP-Link support engineers who will contact you with your registered email address later. Please pay attention to your email...

@MinDmit Theoretically, there is no limit for Ethernet Backhaul. However, for better performance and stability. We recommend up to 6 units in one EasyMesh network.