D-Link DES-1252 - Manual (Page 58)

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select the assigned Port number, enter both the Mac Address and VID
and press Apply.
Security > Mac Address Table > Dynamic Forwarding Table
For each port, this table displays the Mac address of each packet
passing through the Switch. To add a Mac address to the Static Mac
Address List, click the Add checkbox associated with the identified
packet.
Figure 413 – Security > Dynamic Forwarding Table
Monitoring > Statistics
The Statistics screen displays the status of each port packet count.