Chapter 5: Implementing VLANs, Layer 2 Discovery Protocols, and EtherChannels

As you're building your network, you will be learning a lot about configurations and techniques to ensure you have an optimally performing network. However, let's not forget about the actual engineering aspect of computer networking. There are many technologies at all layers of the OSI reference model, and a TCP/IP protocol suite that helps us to create an efficient network.

Throughout this chapter, you will learn about the importance of segmenting a flat physical network into smaller broadcast domains to improve both network security and the efficiency of network performance, using a layer 2 technology known as Virtual Local Area Network (VLAN). You will also learn about the various types of VLANs and useable ranges within an organization, and how to implement and establish end-to-end connectivity between devices and different VLANs on a network.

Additionally, you'll discover how to...