TP-Link TL-SL5428E User Guide - Page 81
ARP Inspection Commands, arp detection (global), arp detection trust-port
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TL-SL5428E 24-port 10/100Mbps + 4-port Gigabit L2 Managed Switch CLI Guide Chapter 13 ARP Inspection Commands ARP (Address Resolution Protocol) Detect function is to protect the switch from the ARP cheating, such as the Network Gateway Spoofing and Man-In-The-Middle Attack, etc. arp detection (global) Description The arp detection (global) command is used to enable the ARP Detection function globally. To disable the ARP Detection function, please use no arp detection command. Syntax arp detection no arp detection Command Mode Global Configuration Mode Example Enable the ARP Detection function globally: TP-LINK(config)# arp detection arp detection trust-port Description The arp detection trust-port command is used to configure the port for which the ARP Detect function is unnecessary as the Trusted Port. To clear the Trusted Port list, please use no arp detection trust-port command .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. Syntax arp detection trust-port port-list no arp detection trust-port 69