The Frontline LAN Troubleshooting Guide
Published 14th Apr 2009 | Source - Security | Pages - 115Local area networks are integral to the operation of many businesses today. Network engineers and network technicians have taken on the vital role of keeping these business-critical networks up and running. This guide provides these frontline network troubleshooters with practical advice on how to maintain LANs and solve common problems.
A local area network (LAN) is comprised of many elements: printers, monitors, PCs, IP phones, servers, storage hardware, networking equipment, security software, network applications, enterprise applications, office productivity applications, and more. In this guide, we will focus on layers 1 and 2 - the physical cable plant and switches. Network cabling and switches are the foundation of today's local area networks.
This guide begins with an introduction to LAN troubleshooting. We will review the troubleshooting process and the eight steps to successful troubleshooting. Next, will be information on troubleshooting physical layer problems. We will cover twisted-pair copper and fiber optic media. Advice on troubleshooting common network user complaints will follow. Common complaints include user connection issues and slow networks. The guide concludes with an in-depth discussion of troubleshooting switches. We will describe many switch troubleshooting methods. Frontline LAN troubleshooters who learn how to apply these methods will be able to solve network problems fast.
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