All Cisco routers have two special types of lines, and many Cisco routers have a third. What are these lines, and how do you configure them? These are things that every network admin should know. All ...

Cisco has long been making business routers that are rated as top performers by such electronics industry reviewers as PC Magazine and CNET. Cisco manufactures dozens of router models, but one of the ...

Many administrators forget—or don't even realize—that they can configure Dynamic Host Configuration Protocol (DHCP) on Cisco IOS routers and switches. David Davis discusses the pros and cons of this ...

This month's article will introduce network router programming. If you have not worked with IT infrastructure, you may be surprised at the number of options and possible configurations available to ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...

Cisco Packet Tracer is more than just a simulation tool—it’s a hands-on learning environment for building, testing, and troubleshooting networks without expensive hardware. From basic device ...