If you've browsed new motherboards, you might have noticed that some of them come with two Ethernet ports. Redundancy is the name of the game.

One way to boost network security is to use Cisco's Port Security feature to lock down switch ports. Learn the basics of port security, and find out how to configure this feature. A growing challenge ...

Trisha Jandoc was an associate writer at CNET covering broadband and everything related to home internet. She graduated from St. John's University with a bachelor's degree in journalism and a focus on ...