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 ...

I'm a noob to IOS, and I'd like to make sure that my configuration is doing what I think it's doing. I have a Cisco 881 connected to a cablemodem on the WAN port. The cablemodem assigns DNS servers ...

When putting together a network for your office -- particularly if that office is expanding in personnel -- you have to consider the setup of the routers in relation to the Internet. If you allow ...