Cisco Systems
Cisco Systems, Inc. is a worldwide leader in networking for the Internet. Cisco hardware, software, and service offerings are used to create Internet solutions that allow individuals, companies, and countries to increase productivity, improve customer satisfaction and strengthen competitive advantage.

Configuring Cisco Discovery Protocol (CDP)
This chapter describes how the Cisco Discovery Protocol (CDP) works with SNMP to identify other devices in your network.

Webopedia's Did You Know...The Differences Between Hubs, Switches and Routers"
Some technicians have a tendency to use the terms routers, hubs and switches interchangeably. One minute they're talking about a switch. Two minutes later they're discussing router settings. Throughout all of this, though, they're still looking at only the one box. Ever wonder what the difference is among these boxes?

Webopedia's Quick Reference Section
Use this Webopedia reference section for information on common Internet and computer facts and occurrences.