Lots More Information Prev Next Related HowStuffWorks Articles How Web Servers WorkHow Routers WorkHow LAN Switches WorkHow Network Address Translation WorksHow Ethernet WorksHow Web Pages WorkHow Home Networking WorksWhat is a packet? More Great Links ISO OnlineCisco: Internetworking BasicsWhatis.com: OSIConnected: RoutingRouting in the InternetCNET Builder.com: Web Servers: Back End & Site ManagementCisco White Paper: Wavelength Routing in Optical NetworksMixed Media RouterCisco: Router Configuration Tutorial