D-Link DGS-3620-52T CLI Guide - Page 136

xStack® DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch CLI Reference Guide Chapter 8 ARP Spoofing Prevention Commands config arp_spoofing_prevention [add gateway_ip gateway_mac ports [ | all] | delete gateway_ip ] show arp_spoofing_prevention 8-1 config arp_spoofing_prevention Description The user can configure the spoofing prevention entry to prevent spoofing of MAC for the protected gateway. When an entry is created, those ARP packets whose sender IP matches the gateway IP of an entry, but either its sender MAC field or source MAC field does not match the gateway MAC of the entry will be dropped by the system. Format config arp_spoofing_prevention [add gateway_ip gateway_mac ports [ | all] | delete gateway_ip ] Parameters add gateway_ip - Specify a gateway IP to be added. - Specify the IP address. gateway_mac - Specify a gateway MAC to be configured. - Specify the MAC address. ports - Specify the ports. - Specify a range of ports to be configured. all - Specify all ports to be configured. delete gateway_ip - Specify a gateway IP to be deleted. - Specify the IP address. Restrictions Only Administrator, Operator and Power-User level users can issue this command. Example To configure the prevent IP spoofing attack: DGS-3620-28SC:admin#config arp_spoofing_prevention add gateway_ip 10.254.254.251 gateway_mac 00-00-00-11-11-11 ports 1-2 Command: config arp_spoofing_prevention add gateway_ip 10.254.254.251 gateway_mac 00-00-00-11-11-11 ports 1-2 Success. DGS-3620-28SC:admin# 131