How LAN Switches Work

By: Jeff Tyson

Mixed Networks

A mixed network with two switches and three hubs

Most networks are not fully switched because of the costs incurred in replacing all of the hubs with switches.

Instead, a combination of switches and hubs are used to create an efficient yet cost-effective network. For example, a company may have hubs connecting the computers in each department and then a switch connecting all of the department-level hubs.