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.

I am attempting to run a small home network. It is a DSL connection with one dynamic IP address. I want to get a router that will allow two VPN connections at the same time. Is there one that will do ...

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 ...