@jannapref Install OpenWRT on it and add luci-app-sqm package. https://openwrt.org/toh/tp-link/archer_ax23_v1 https://openwrt.org/docs/guide-user/network/traffic-shaping/sqm

@Marvin_S This is not correct. When the second router is connected to the main router as a Wireless Repeater/Extender as in this example:...

My idea, but still a good idea ;)

Please add option to set up Parental Controls also by IP address and not just by MAC address. This is needed when there are client that are connected via wireless bridge / repeater. All clients will...