@Martineiro The odd thing for me here is that you have this problem only with the APs (C2/C6) Wi-Fi clients. Given the fact that the wireless interface is bridged with the ethernet ports the clients...

@DiegoDev The guide in question is not for AX73, it's for router models that support WDS - it was posted just as an example. AX73 doesn't support WDS - you can find its user guide here.

@TuqueroIMKJerna You can put these MACs in this web page (https://macvendors.com/) and determine what their vendor is, wich eventually would help you to identify the devices.

@Ahmed_Dar Read through this story.

@oldy For this to work you really need AX6000 set in AP mode - Case 1. Thus both routers would be in the same subnet (192.168.1.0/24) hence you'll be able to communicate in both ways. The way you're...

@erdemozor This is what I was going to suggest - using the Xiaomi AX1800 as your main router and C80 in AP mode - Case 1. Maybe this scenario would be better in your environment.