Of course, as anyone who has studied for a networking certification can tell you, there is a significant complexity increase between classful and classless addressing. With classful addressing, you could always infer the subnet from the IP address. With classless addressing and VLSM, network masks must be explicitly defined. Similarly, there are complexities with classless routing that don’t exist with classful routing. With classful routing, a routing table can have multiple matches for a single IP address. Overall, it’s a lot more to learn and keep straight. The post Classful and Classless Addressing Explained appeared first on Auvik. Read more...