How to clear ARP table, or remove a specific ARP entry?

Options
Zyxel_James
Zyxel_James Posts: 626  Zyxel Employee
First Anniversary 10 Comments Friend Collector First Answer
edited August 2023 in Maintenance

Question: How to clear the ARP-Table or remove a specific ARP entry?

Answer:

You can use CLI command to clear the ARP table

Router#
Router# configure terminal
Router(config)# arp-table flush

For a specific ARP entry

Router(config)# show arp-table
Address HWtype HWaddress Flags Mask Iface

192.168.1.33 ether 00:11:22:33:44:55 C lan1
Router(config)# no arp 192.168.1.33
Router(config)#