Guide to DHCP Snooping

DHCP snooping is a security feature that you will surely run into in while studying for your Cisco exams or while working in an enterprise environment perhaps. It first off helps ensure that you...

Allocate Ports to a Cisco Nexus VDC

If you are working with a Cisco Nexus 7000 or 7700 device then VDC's are probably not something you are unfamiliar with. In a very brief summary it allows you to seperate a single...

Multiple Spanning Tree – MST

The next section of the CCIE R&S v5 Blueprint that I was running through was "1.1.f (i) PVST+/RPVST+/MST", specifically MST or Multiple Spanning Tree. Pretty straight forward process around this one and here is the summary...

Interconnecting Nexus VDCs

There is a great technology within the Nexus switch product line which revolves around something called a VDC. Basically to keep the description short, a VDC is a logical switch within a physical switch....

Cisco 3850 Wireless Controller – FAQ

There was a recent project I was working on where I was going to be using a Cisco 3850 switch as a wireless controller, which is a fully supported feature that is build into...

Cisco 4500 – Switching Port Media Types

This is an interesting one I never came across so I figured I'd share it out for everyone else too. I recently purchased a Cisco 4506 switch with a few blades already installed. One...