TP-Link TL-SG3216 TL-SG3216 V1 User Guide - Page 157
ARP Detect
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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. 11.2.1 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 11-13 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. 150