TP-Link T1600G-18TS T1600G-18TSUN V2 CLI Reference Guide Guide - Page 237

24.2 clear arp-cache Description This clear arp-cache command is used to clear all the dynamic ARP entries. Syntax clear arp-cache Command Mode Privileged EXEC Mode Privilege Requirement Only Admin, Operator and Power User level users have access to these commands. Example Clear all the dynamic ARP entries: Switch(config)# clear arp-cache 24.3 arp dynamicrenew Description This arp dynamicrenew command is used to automatically renew dynamic ARP entries. To disable the switch to automatically renew dynamic ARP entries, please use the no arp dynamicremew command. By default, it is enabled. Syntax arp dynamicremew no arp dynamicremew Command Mode Global Configuration Mode Privilege Requirement Only Admin, Operator and Power User level users have access to these commands. Example Enable the switch to automatically renew the dynamic ARP entries: Switch(config)# arp dynamicrenew 216