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 ...

Most IT pros know that using Telnet to manage routers, switches, and firewalls is not exactly a security best practice. Instead, the accepted alternative to Telnet's lack of security is Secure Shell ...