Mac Address Filter On Tplink Deco M4 -

MAC filtering applies to the Main Network . Devices on the Guest Network are isolated from your main devices but share the same internet connection. You can apply MAC filtering to Guest Network devices in the exact same way (Device List -> Block), but you cannot prevent a Guest user from sharing the internet entirely via MAC filter unless they connect first.

: While MAC filtering adds a layer of control, security experts from Portnox suggest it should be used alongside strong WPA2/WPA3 encryption rather than as a standalone security measure. How to configure Wi-Fi Access Control on TP-Link Deco mac address filter on tplink deco m4

This is a stricter, "lockdown" approach. Only devices explicitly added to this list can access the Wi-Fi. Any new or unlisted device—even if they have the correct Wi-Fi password—will be automatically rejected. How to Configure Filtering on the Deco M4 MAC filtering applies to the Main Network