One way to boost network security is to use Cisco's Port Security feature to lock down switch ports. Learn the basics of port security, and find out how to configure this feature.

In a security alert published today, Cisco has advised owners of Nexus switches to disable a feature called PowerOn Auto Provisioning (POAP) for security reasons.

I am going to be sending a remote office a computer that is configured for the same IP as a device already on the network. I would like to have them plug in the new computer to a port on our Cisco ...