SMC Networks BARRICADE SMCWBR14-N2 - Manual (Page 43)

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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 "only deny listed machines"
is selected, any computer with a MAC address listed in the MAC Address List is refused
access to the network.
Filter Wireless Clients
When this is selected, the MAC address filters will be applied to wireless network clients.