how to setup mac address filtering on huawei 5g cpe n5368x router

how to setup mac address filtering on huawei 5g cpe n5368x router ?

• Go to your browser type in 192.168.8.1 press enter
• Enter router username and password press enter
• Click the security table
• Then click Mac Filtering
• Then click add button and add the desired Mac address
• Then press apply finish

here is the video

https://www.youtube.com/watch?v=cKEi82Y0zbM

You will see this message before applying

Note: if you add the MAC to the blacklist, it will not be able to ping CPE. You need to press the button to restore the factory.

ignore it and proceed.

MAC address filtering takes precedence over URL filtering and IP address filtering. The packets that are not filtered by MAC address will be filtered by IP address and URL. MAC address filtering applies to LAN devices directly connected to the CPE, because only their MAC addresses can be identified.

Note:  Select the MAC address filter check box on the MAC Address Filtering page. The rules take effect only after the MAC address filter check box is selected.