A network device that forwards traffic based on layer 3 information at very high speeds. Traditionally, routers, which inspect layer 3, were considerably slower than layer 2 switches. In order to ...

A device that enables one electric or optic cable line to be connected to another. Typically used in test labs and controlled by software, the physical layer switch resembles the old telephone ...

What went around has come around again. As Ethernet-based technology continues its advance into access networks, network operators and equipment vendors are facing many of the same decisions that once ...

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 ...

Many enterprises used to upgrade their networks solely for the purpose of meeting their end users' increased demand for bandwidth. Initially, these upgrades meant transitioning from bus-based shared ...