@Clive_A Nobody told me about "cache", that is just me trying to understand how ER605 works, does it save information about each IP address and MAC address pair? I have no clue, I am trying to...

I have this issue with ER605: https://community.tp-link.com/en/home/forum/topic/674996?replyId=1468532 Somehow it seems ER605 is keeping some historical information, whatever it may be called...

@Alexandre. I have assigned static IP in ER605. Anyway, after reboot of main Deco the unit showed up again in list of devices. Ok if other errors are not important. Do you know what they mean? Thank...

I have 5 Deco XE75 Pro units. They act only as access points. Main Deco is connected over ethernet to the main TP-Link ER605 router. Rest are all connected wirelessly. They are all running same...

@Clive_A The problem is that I have no way of getting the IPv6 address from Decos. Deco app only shows IPv4 address. Web UI also shows only IPv4 address. I have absolutely no way of finding out IPv6...

@Clive_A ACL does actually work - I believe the issue is that I was using PiHole to check whether specific IP address is being blocked. However PiHole is before ER605 so PiHole is not a correct...