TP-Link T3700G-28TQ T3700G-28TQ V1 UG - Page 300
ARP Defend, ARP Detect
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Trusted Port UNIT: Trusted Port: Select the unit ID of the desired member in the stack. 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. Configuration Procedure: Step Operation Description 1 Bind the IP address, MAC Required. On the IP-MAC Binding page, bind the IP address, VLAN ID and the address, MAC address, VLAN ID and the connected Port connected Port number of number of the Host together via Manual Binding, ARP the Host together. Scanning or DHCP Snooping. 2 Enable the protection for the Required. On the Network Security→IP-MAC bound entry. Binding→Binding Table page, specify a protect type for the corresponding bound entry. 3 Specify the trusted port. Required. On the Network Security→ARP Inspection→ARP Detect page, specify the trusted port. The specific ports, such as up-linked port, routing port and LAG port, should be set as Trusted Port. 4 Enable ARP Detect feature. Required. On the Network Security→ARP Inspection→ARP Detect page, enable the ARP Detect feature. 14.3.2 ARP Defend With the ARP Defend enabled, the switch can terminate receiving the ARP packets for 300 seconds when the transmission speed of the legal ARP packet on the port exceeds the defined value so as to avoid ARP Attack flood. Choose the menu Network Security→ARP Inspection→ARP Defend to load the following page. 289