SMC Networks Barricade SMCWGBR14-N User Manual page 50

Advanced_MAC Address Filter
The MAC address filter section can be used to filter network access by machines based on
the unique MAC addresses of their network adapter(s). It is most useful to prevent
unauthorized wireless devices from connecting to your network. A MAC address is a unique
ID assigned by the manufacturer of the network adapter.
Enable MAC Address Filter
When this is enabled, computers are granted or denied network access depending
on the mode of the filter.
Misconfiguration of this feature can prevent any machine from accessing
the network. In such a situation, you can regain access by activating the
factory defaults button on the router itself.
Filter Settings
Mode
When "only allow listed machines" is selected, only computers with MAC
addresses listed in the MAC Address List are granted network access. When
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