D-Link DGS-3100-48 Product Manual - Page 174

DGS-3100 Series Gigabit Stackable Managed Switch User Manual Defining Arp Spoofing Prevention Settings Dynamic ARP inspection is a security feature that validates ARP packets in a network. It intercepts, logs, and discards ARP packets with invalid IP-to-MAC address bindings. This capability protects the network from certain man-in-the-middle attacks 1. Click Security > Arp Spoofing Prevention. The Arp Spoofing Preventio opens: Figure 5-16. Arp Spoofing Prevention Page The Configure Local Enable Password Page contains the following fields: Field Description IP Address Defines the IP address MAC address Defines the MAC address. Unit Defines the stacking member's Unit ID. Port Defines the ports. Port Select All Select all ports. 2. Enter the IP address in the IP Address field. 3. Enter the MAC address in the MAC Address field. 4. Define the ports which sould be applied ARP Spoofing Prevention rules on them. 5. Click . The new ARP Spoofing Prevention definition appears in the ARP Spoofing Prevention List, and the device is updated. 158