The TP-Link Deco M4 makes MAC filtering simple through its Blacklist feature. While it doesn't offer a traditional "Whitelist-only" mode (which can be cumbersome to maintain in a smart home), its ability to instantly revoke access to specific hardware ensures your mesh network stays fast and secure.
For the purpose of this guide,
switch. Depending on your firmware, you may see options for both Manual Entry Add Manual button to input a device name and MAC address, then click www.tp-link.com Key Considerations for MAC Filtering Whitelist vs. Blacklist : While some TP-Link Support documentation
On a standard router, MAC filtering is often a chore. On the TP-Link Deco M4, it’s actually usable.
