TP-Link T1500-28PCT T1500-28PCTTL-SL2428PUN V3 User Guide - Page 666

Configuring IPv4 IMPB ARP Detection Configuration ARP Detect Enable or disable ARP Detection globally. Validate Source MAC Enable or disable the switch to check whether the source MAC address and the sender MAC address are the same when receiving an ARP packet. If not, the ARP packet will be discarded. Validate Destination MAC Enable or disable the switch to check whether the destination MAC address and the target MAC address are the same when receiving an ARP reply packet. If not, the ARP packet will be discarded. Validate IP Enable or disable the switch to check whether the sender IP address of all ARP packets and the target IP address of ARP reply packets are legal. The illegal ARP packets will be discarded, including broadcast addresses, multicast addresses, Class E addresses, loopback addresses (127.0.0.0/8) and the following address: 0.0.0.0. 2) In the VLAN Config section, enable ARP Detection on the selected VLANs. Click Apply. VLAN ID Displays the VLAN ID. Status Enable or disable ARP Detection on the VLAN. Log Status Enable or disable Log feature on the VLAN. With this feature enabled, the switch generates a log when an illegal ARP packet is discarded. 3.1.3 Configuring ARP Detection on Ports Choose the menu SECURITY > IPv4 IMPB > ARP Detection >Port Config to load the following page. Figure 3-2 ARP Detection on Port User Guide 643