TP-Link TL-SL5428E User Guide - Page 168
ARP Detect
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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. 13.2.1 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 13-13 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. 160