Blog for Technologists

We covered a wide array of tech topics in 2015. Our most popular posts: the deadly sins of network management, dealing with multiple datacenters, and more.

Here’s how to configure a disjointed Layer 2 network in a Cisco Unified Computing Solution, an issue that network engineers are confronting more often.

SDN is starting to be considered by enterprise organizations, and those organizations need to begin to understand what SDN is and how it will affect their IT department. We have [...]

In case you hadn’t noticed yet, Cisco plans a big UCS related announcement for September 4 in New York City. They’re calling it the “UCS Grand Slam”. I and several [...]

Introduction Should you be concerned about a Layer 2 loop in your campus network? My answer is absolutely. In this article, I explain why you should take steps in protecting [...]

I’ve done a number of network assessments in which I find that the customer insists on manually configuring the interfaces for full duplex.  I did a little research on the [...]

I was part of several folks chatting this week about the Certified Cisco System Instructor (CCSI) certification. This program is older than any of Cisco’s other certification programs, including the [...]