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Figure 4-43 IP/MAC Binding - Example Two
Note:
1) If you have added the IP and MAC address pair of a trusted LAN host in the IP/MAC Binding
List, and later changed this host’s IP address or MAC address, you must also update the
corresponding binding in the IP/MAC Binding List; otherwise the host cannot access the
Device and Internet. If the Allow Undefined LAN PCs check box is unselected, you must also
add the IP and MAC address pair of any new host that you add to your network, and make sure
that its Allow check box is selected; otherwise this new host cannot access the Device and
Internet.
2) IP/MAC binding feature can only act on the packets initiated from the LAN hosts to the Device
or outside hosts, but cannot act on the packets within the LAN. If you change a LAN host’s IP
address or MAC address, this LAN host will be unable to access the Device and access the
Internet through the Device, but it still can communicate with the other LAN hosts, such as, it
can browse Network Neighborhood, use windows file and printer sharing services within the
LAN, and so on.
3) If you want to unselect the Allow Undefined LAN PCs check box to block the undefined LAN
hosts from accessing or passing through the Device, you should make sure that you have
added the IP/MAC address pair of the host that you use to administer the Device into the
IP/MAC Binding List.
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