Network security relies heavily on passwords. Cisco routers use passwords to ensure that only "trusted" users can perform certain services. In this Daily Drill Down, Todd Lammle takes you on a journey ...

Most IT pros realize that using Telnet to manage routers, switches, and firewalls is insecure. Transmitted in clear text across a network, Telnet traffic basically publicizes any login usernames and ...

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 ...

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 ...

Alyson Behr has more than 15 years of experience writing about technology and has been a contributing editor for leading product-testing labs. The new 3945e router from Cisco Systems is one of four ...

If you're running a small business with more than one computer, routers are usually a necessity. Routers provide small businesses with added security, a link between computer systems and extra ...

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 ...

Alyson Behr has more than 15 years of experience writing about technology and has been a contributing editor for leading product-testing labs. The new 3945e router from Cisco Systems is one of four ...