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 ...

Cisco has seen double the trouble with a domain name system (DNS) issue affecting some of its switches, alongside a new vulnerability exposed in its network access control kit.

Devices in a number of Cisco switch types experienced significant reboot loops due to a pervasive firmware problem in the ...

I recently joined a company that has Cisco switches throughout the network. My boss has told me that my first task is to upgrade the switches to the latest available firmware. I have been around Cisco ...