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LAN Switching

A switch is a device used on a computer network to physically connect devices together. Multiple cables can be connected to a switch to enable networked devices to communicate with each other. Switches manage the flow of data across a network by only transmitting a received message to the device for which the message was intended. Each networked device connected to a switch can be identified using a MAC address, allowing the switch to regulate the flow of traffic. This maximises security and efficiency of the network.

Because of these features, a switch is often considered more intelligent than a network hub. Hubs neither provide security, or identification of connected devices. This means that messages have to be transmitted out of every port of the hub, greatly degrading the efficiency of the network.


The class will not only fully prepare you for the latest 640-822 ICND1 (CCENT), 640-816 ICND2, and 640-802 CCNA exams, but it will also expand your understanding of core technologies that are essential to know for beginning or advancing your career with today's networks.


Designing Layer 2 networks is easy. Apparently. In fact there are many traps and dependencies. Three issues of Layer 2 networks - loops, traffic drop and excessive flooding can be demanding. This session is to discuss and present how to avoid them with the standard design techniques or by new mechanisms.


This session features best practices for deploying the Cisco Multilayer Campus Model with an emphasis on high availability. It focuses on the technology alternatives related to an enterprise campus network.