Dahua DH-PFS4212-8GT-96 Web Operation Manual page 28

Figure 3-17
Change dynamic MAC device to static.

Select one record, and click Reserved.
1)
Click Save. The type changes from Dynamic to Static.
2)
Static MAC devices can communicate with the port normally.
Add MAC allowlist.

Click Add.
1)
Figure 3-18
2) Set MAC address and VLAN.
Enable port MAC filtering
Add MAC allowlist
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