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 ...

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 ...

The Simple Network Management Protocol (SNMP) is a necessary tool for every network administrator. You can easily configure it with just a few commands. SNMP is still the most popular way to monitor ...

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 ...

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 ...

Cisco’s new Valet Plus wireless router doesn’t promise a whole bunch of fancy features or apps. What it does promise is that you can set it up and have a secure, working wireless Internet connection ...

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 ...