SMC Networks Barricade SMC7004VWBR V.2 User Manual page 59

Advanced Setup
MAC Filtering Table
The MAC Filtering feature of the Wireless Barricade allows you to
control access to your network to up to 32 clients based on the
MAC (Media Access Control) Address of the client machine. This
ID is unique to each network adapter. If the MAC address is
listed in the table, that client machine will have access to the
network.
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