I think by "regular switch" you mean a layer 2 switch. Layer 2 is the data link layer.<P>A layer 3 switch is a layer 2 switch that can also perform basic routing functionality (layer 3 is the Network ...
Rate your favorite Cisco Press books. Chapter 3, “Switch Operation,” presents a functional overview of how multilayer switching (MLS) is performed at Layers 3 and 4. The actual MLS process can take ...