Episode 179: Collision Domains, Broadcast Storms, and Routing Loops

Poor network segmentation can lead to serious Layer 2 and Layer 3 problems. In this episode, we explain how excessive collision domains on legacy hubs or poorly configured switches can slow performance and cause retransmissions. We also dive into broadcast storms—where unchecked broadcast traffic floods the network—and routing loops, which occur when routers send traffic in circles due to misconfiguration.

You’ll learn how STP, TTL, and route summarization prevent these issues, and how to recognize early signs of loops or broadcast congestion. These problems can be catastrophic if not caught quickly. This episode equips you to recognize, prevent, and respond to them before they spiral out of control.