https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-550x-series-stackable-managed-switches/1526-Tips-to-Keep-the-ARP-Table-Available-for-DHCP-IP-Addressing.html
Tips to Keep the ARP Table Available for DHCP IP Addressing - Cisco
This article explains how to set the Address Resolution Protocol (ARP) table of a switch to frequently clear the expired Media Access Control (MAC) addresses...
arp table
https://sourceware.org/legacy-ml/ecos-discuss/2004-11/msg00098.html
Arnaud Chataignier - RE : Duplicate ARP table entries
arp tablearnaudchataignierduplicateentries