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The IP-MAC Binding function allows the switch to bind the IP address, MAC address, VLAN ID
and the connected Port number of the Host together when the Host connects to the switch.
Basing on the predefined IP-MAC Binding entries, the ARP Inspection functions to detect the
ARP packets and filter the illegal ARP packet so as to prevent the network from ARP attacks.
The ARP Inspection function is implemented on the ARP Detect, ARP Defend and ARP
Statistics pages.
12.2.1 ARP Detect
ARP Detect feature enables the switch to detect the ARP packets basing on the bound entries
in the IP-MAC Binding Table and filter the illegal ARP packets, so as to prevent the network
from ARP attacks, such as the Network Gateway Spoofing and Man-In-The-Middle Attack, etc.
Choose the menu Network Security→ARP Inspection→ARP Detect to load the following page.
Figure 12-13 ARP Detect
The following entries are displayed on this screen:
ARP Detect
Enable/Disable the ARP Detect function, and click the App
Trusted Port
Select the port for which the ARP Detect function is
unnecessary as the Trusted Port.
The specific ports, such as
up-
linked port, routing port and LAG port, should be set as
Trusted Port. To ensure the normal
communication of the
switch, please configure the ARP Trusted Port before enabling
the ARP Detect function.
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