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LAN Switching & Troubleshooting Guide

This 240-page guide explains the basics of LAN switching and provides a high-level view of the fundamental components and key protocols used to help smooth data flow. It's full of easy to understand definitions, step-by-step instructions and diagrams to help you manage and troubleshoot a switched LAN. 

One of the basic components of a modern network is the VLAN. In this guide, we begin by explaining why and how VLANs evolved. Learn how VLAN membership, tagging, and classification all help provide a flexible, logical network topology.

Then, we move on to the world of multicast traffic. Multicasting provides an efficient way to transmit packets to a group of hosts simultaneously while conserving network bandwidth. We describe the benefits of Loop Protection and Spanning Tree, Ethernet Protection Switching Rings (EPSRingTM) and Static and Dynamic Link Aggregation.

Packet switching within an Ethernet switch is essentially quite simple, as you will see from the flowcharts. Dynamic tables make decisions about forwarding or dropping data packets. We take you through a packet processing walkthrough explaining this process in simple terms. 

Virtual Chassis Stacking (VCStackTM) enables you to manage two or more Allied Telesis switches as one single switch. We explain the physical creation and the configuration required on stack members.

Finally, we provide some practical advice on how to go about troubleshooting different issues that arise in networks. Essential reading for network engineers. The information in this guide aims to provide you with useful information in an easily understood manner. Armed with clearly defined strategies, you will be better able to interpret and troubleshoot switched LAN network issues effectively.

 

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