TP-Link T1500-28TC TL-SL2428 T1500-28TCUN V1 Configuration Guide - Page 437
Using the CLI, Configuring ARP Detection, Switchconfig#ip arp inspection
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Configuring Network Security ARP Inspection Configurations 4.2 Using the CLI 4.2.1 Configuring ARP Detection The ARP Detection feature allows the switch to detect the ARP packets basing on the binding entries in the IP-MAC Binding Table and filter the illegal ARP packets. Before configuring ARP Detection, complete IP-MAC Binding configuration. For details, refer to IPMAC Binding Configurations. Follow these steps to configure ARP Detection: Step 1 configure Enter global configuration mode. Step 2 ip arp inspection Globally enable the ARP Detection feature. Step 3 interface { fastEthernet port | range fastEthernet port-list | gigabitEthernet port | range gigabitEthernet port-list } Enter interface configuration mode. Step 4 ip arp inspection trust Configure the port as a trusted port, on which the ARP Detection function will not take effect. The specific ports, such as up-linked ports and routing ports are suggested to be set as trusted ports. Step 5 show ip arp inspection Verify the ARP Inspection configuration. Step 6 end Return to privileged EXEC mode. Step 7 copy running-config startup-config Save the settings in the configuration file. The following example shows how to globally enable ARP Detection and configure port 1/0/1 as a trusted port. Switch#configure Switch(config)#ip arp inspection Switch(config)#interface fastEthernet 1/0/1 Switch(config-if)#ip arp inspection trust Switch(config-if)#show ip arp inspection ARP detection global status: Enabled Configuration Guide 416
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