Security - Dahua PFS4218-16GT-190 Web Config Manual

Step 2 Select the Snooping Mode as Enabled to enable DHCP Snooping .
Step 3 Set the port as Trusted or Untrusted.
Step 4 Click Save.

4.1.4 Security

4.1.4.1 Users
You can add, edit, and delete the user.
Figure 4-18 DHCP Snooping configuration
Advanced Settings 19