Summary
As long as your understanding of physical LAN principles was solid before reading this article, you should now have a good idea of what VLANs are and how greatly they affect how a network is designed and implemented. The VLAN’s implementation opens a number of doors in terms of the flexibility of a network’s design. Virtual networks will be implemented even more frequently in the next few years, as network design changes with newer technologies, making understanding their operation even more important.