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. A growing challenge ...

We have port-security enabled on the access switches across our enterprise. Until last month, we had aging timers also set, for 2 minutes, and all was well in the world. Last month those timers were ...

Five things you should know about configuring a Cisco IOS switch Your email has been sent Once you're ready to make the jump to a more sophisticated switch, what do you need to know? Let's answer some ...

Excerpt from CCNA Practice Questions (Exam 640-802), 3rd Edition. Select the appropriate media, cables, ports, and connectors to connect switches to other network devices and hosts. Explain the ...

Cisco Systems Inc. today announced a family of data center switches that enable services to be embedded directly into the switching layer, beginning with security services. Cisco’s Nexus 9300 Series ...