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 ...

Switch A just has a list of every MAC on every port (up to it's memory limit), so it just sees switch B on port #25 as any other port, just with a lot more MAC addresses. There is nothing special ...

It’s annoying when you run out of Ethernet ports on your router. That, or when you have a home entertainment center and want wired connections for all your devices, but you don’t want to string a ...

Call it NAC (Cisco’s Network Admission Control) or, well, NAC (network access control), or even NAP (Microsoft’s Network Access Protection). Any way you refer to it, these schemes for shutting out ...

Routers and network switches aren't the same hardware—depending on your setup, you may need both.

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Blueprint topics covered in this chapter: This chapter covers the following subtopics from the Cisco CCIE Routing and Switching written exam blueprint. Refer to the full blueprint in Table I-1 in the ...

I have a small business network that’s been in place for many years, and we’re finally getting around to a long overdue replacement of a dozen or so old desktop computers. The technician doing the ...

The process of troubleshooting your network involves a methodology that starts with cabling and works through the OSI model to the application layer. The network devices have a network cable that ...