One of the suggestions in that article to help with it was this:
"Change the ARP timeout and the forwarding table-aging time close to each other to limit the length of unicast flooding. This will cause the ARP packets to be broadcast. Relearning must occur before the L2 forwarding table entry ages out"
On the SG300, I see the following defulat settings for MAC and ARP aging.
MAC Aging Time: 300 (Range: 10 - 630, Default: 300)
Introduction:Topology Diagram:Configuration Overview:Related
Information: Introduction: This document describes how to connect SG300
with Catalyst switch via STP. Spanning Tree Protocol (STP) is a Layer 2
protocol that runs on mainly on switches. The spec...
On a technical level, Cisco 300 Series is far superior to the HP 1910
and 2530 products. This document provides evidence that Cisco has >100
features not supported by the HP platforms. Check this out and decide
for yourselves. Notes (2/5/2014):- Informati...
Recently, HP Networking published a blog post attempting to counter the
favorable third party Miercom report on our Cisco® 200 and 300 Series
Smart and Managed switches: