I also publish Network Engineering and Network Security articles on www . Practical Networking .net, or PracNet.net for short.

If you are trying to learn about Network Engineering, these are must reads:

• Packet Traveling article series - Everything you need to know to understand how data moves from one computer to another through switches and routers
• Networking Fundamentals video series - The very core of Networking: How data moves through the Internet
• VLANS article - Stand alone article describing VLANs, what they are, and how they work
• Address Resolution Protocol (ARP) article Series - ARP, Proxy ARP, Gratuitous ARP, ARP Probe & Responses
• Network Address Translation (NAT) article series - Understanding the full depth of NAT, all its terminology, and all types that exist: Static NAT, Static PAT, Dynamic PAT, Dynamic NAT, Policy NAT, Twice NAT