To filter a device, you need its MAC address (a format like 00:1A:2B:3C:4D:5E ).
: Ensure you click Save at the bottom right to apply the changes. Important Considerations mac address filter on tplink deco m4
High-security environments. A home office handling sensitive data, or a rental property where you want to lock down access to only approved tenant devices. To filter a device, you need its MAC
| Device type | Where to find MAC address | |-------------|----------------------------| | | Settings → General → About → Wi-Fi Address | | Android | Settings → About Phone → Status → Wi-Fi MAC address | | Windows PC | Command Prompt → type ipconfig /all → look for Physical Address under your Wi-Fi adapter | | Mac | System Settings → Network → Wi-Fi → Advanced → Hardware tab | | Smart TV / console | Network settings menu → About or Status | A home office handling sensitive data, or a
Devices like Wi-Fi light bulbs, smart plugs, and robotic vacuums often use (a privacy feature introduced in iOS 14 and Android 10). These devices change their "fingerprint" every time they reconnect to the network.
The Deco M4 uses these "VINs" to decide who gets in. Unlike a password, which can be shared or hacked, a MAC address is a physical constant. Filtering by MAC address is like telling the bouncer: "No matter what name they give you, don’t let in anyone whose DNA isn't on this list."