and the connected Port number of the Host together when the Host connects to the switch. Based
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 based 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:
¾
ARP Detect
ARP Detect:
Enable/Disable the ARP Detect function, and click the
Apply
button to apply.
¾
Trusted Port
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.
Note:
ARP Detect and ARP Defend cannot be enabled at the same time.
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