Cisco Systems said that more than 300 models of switches it sells contain a critical vulnerability that allows the CIA to use a simple command to remotely execute malicious code that takes full ...

We use a command similar to this on our Tellabs gear (when the optics support it that is). It's a really nice feature. Glad to know there's a Cisco analog. What's really cool, is there's some optics ...

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 ...