Simple play icon Course

Cisco Enterprise Networks: Layer 2 Troubleshooting

by Ben Piper

Troubleshooting isn't just about solving problems. It's about solving them quickly. Learn how to diagnose and fix Layer 2 issues ranging from spanning tree to VLAN trunks.

What you'll learn

Become a Cisco troubleshooting ninja! In this course, Cisco Enterprise Networks: Layer 2 Troubleshooting, you'll learn how to troubleshoot networks consisting of Cisco routers and switches. First, you'll learn the foundational principles of network troubleshooting. Next, you'll learn how to use the three-step troubleshooting methodology. Finally, you'll learn how to troubleshoot VLANs, Trunking, and Spanning Tree to round out the course. By the end of this course, you'll have the confidence to approach ANY Layer 2 networking problem no matter how complex, and the ability to determine where to start, how to narrow down the problem, and even how to figure out what specific technology is causing it. Software required: Cisco IOS.

About the author

Ben Piper is the author of the "CCNP Enterprise Certification Study Guide: Implementing and Operating Cisco Enterprise Network Core Technologies" and the "AWS Certified Solutions Architect Study Guide". You can contact Ben by visiting his website,

Ready to upskill? Get started