12.2.3 ARP Statistics
ARP Statistics feature displays the number of the illegal ARP packets received on each port, which
facilitates you to locate the network malfunction and take the related protection measures.
Choose the menu Network Security→ARP Inspection→ARP Statistics to load the following
page.
Figure 12-15 ARP Statistics
The following entries are displayed on this screen:
¾ Auto Refresh
Auto Refresh: Enable/Disable the Auto Refresh feature.
Refresh Interval: Specify the refresh interval to display the ARP Statistics.
¾ Illegal ARP Packet
Port: Displays the port number.
Trusted Port: Indicates the port is an ARP Trusted Port or not.
Illegal ARP Packet: Displays the number of the received illegal ARP packets.
12.3 DoS Defend
DoS (Denial of Service) Attack is to occupy the network bandwidth maliciously by the network
attackers or the evil programs sending a lot of service requests to the Host, which incurs an
abnormal service or even breakdown of the network.
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