My Experiences With Cisco’s VIRL


Since it has been out for more than a year, and has been developed and improved tremendously during that time, I decided to finally take the plunge and buy a year’s subscription to the Cisco VIRL software.

How not to pass the CCIE Lab Exam in R&S V5

roger perkin ccie pass lab exam

I am very pleased to announce that last week I did pass the CCIE Lab Exam in Routing & Switching version 5 and am now CCIE #50038 To explain the title of this post the method I chose to pass the CCIE is not best practice and it took me quite a few attempts across […]

Intrinsic Benefits Of Certification

I’m gearing up for a new certification effort, but after eighteen years of progressive experience in IT, a piece of paper or some new initials in my email signature was an extrinsic motivator I didn’t need. Still I found something about the entire process inviting and realized that it was the intrinsic benefits of certification […]

Re-New. Again

Re-New. Again. Greetings. Welcome to my first blog post. I have to say, I feel a little out of my class in the esteemed collection of networking talent I see blogging on this site. I have never been the top tier of networking. I have never been the guy who just seems to know everything. […]

Visual aids for networkers


Because a picture is worth 1,024 words. Much of what we study are abstract concepts invisible to the human eye. Sure, we know what boxy hardware looks like, and two of our three physical signal transmission media (excluding wireless) are things we can reach out and touch, but most of what we work on is untouchable – ghosts […]