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Figure 4-42 IP/MAC Binding - Example One
Then, when receiving a packet initiated from LAN, the Device will process it according to the
following cases:
1) A packet with IP address 192.168.16.65 and MAC address 00:15:c5:67:41:0f is allowed to
pass.
2) A packet with IP address 192.168.16.65 but with a different MAC address is dropped
immediately to prevent IP spoofing.
3) A packet with a different IP address but with MAC address 00:15:c5:67:41:0f is dropped
immediately to prevent IP spoofing.
4) A packet’s IP address and MAC address both are not defined in the IP/MAC Binding List:
(1) If the Allow Undefined LAN PCs check box is selected, the packet is allowed to pass.
(2) Else, the packet is dropped.
If you want to block the user who matches the IP/MAC binding from accessing the Device and
Internet, you need unselect Allow check box, see the following figure. Then a packet with IP
address 192.168.16.65 and MAC address 00:15:c5:67:41:0f will be dropped.
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