@Mehmetx1 If you click on the v next to "This Article Applies to" on this webpage https://www.tp-link.com/en/support/faq/3299/ then you can see a selection of router models (take note of the...

@Mehmetx1 Note that the purpose of the QoS feature is to prioritize selected client devices, but not to actually limit the speed. In the two entry fields for "download bandwidth" and "upload...

@Mehmetx1 Hi, Could you please provide a bit more detail how the QoS is not working? Is it not possible to enable QoS on your Archer AX12?

@Contessa You wrote earlier that you've set the A54 to "LAN TYPE is 'Static IP'". The setting "Static IP" means the A54 will use the IP Address, Subnet Mask and Gateway from the entry fields shown on...

@Contessa TP-Link has been using a few different designs of the admin interface on their routers. Just click through the menus and look for one named something with "DHCP".

@Contessa Hi, Make sure you don't have the DHCP server enabled on both, the primary router and the Archer A54. If there is more than one DHCP server active within a network, then client devices will...