Dahua DH-PFS4212-8GT-96 Web Operation Manual page 27

3.1.5.2 Port MAC Filtering
After enabling port MAC filtering, the following two MAC devices can communicate with the port.
Devices in MAC allowlist

The static MAC devices changing from the dynamic MAC devices

Step 1 Select Advanced > Common > MAC Table > Port MAC Filtering.
The Port MAC Filtering interface is displayed.
Step 2 Select the port, such as port 5.
Step 3 Click
Figure 3-16 Port MAC filtering
behind Port <5> Enable to enable the port.
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