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Complex networking topics explained in the most simple way possible…
Including Cisco CCNA, CCNP and CCIE Routing & Switching.

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619 lessons and I am constantly adding new lessons, videos and reference material. Everything is explained in the most simple form possible.

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Do you still have questions after viewing some of the lessons? We have a community forum where we help out with answers.

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Beginner in networking or professional? We offer Cisco lessons for all levels. If you have never worked in IT before then you will enjoy the CCNA lessons while experts will love the CCIE lessons. My lessons will help you to prepare for popular certifications like:




What our Members are Saying


Direct & Understandable

I discovered NetworkLessons.com when I was entering the field a few years ago. After reading Rene's books, his examples and videos helped pull the concepts together. If you want lessons that get to the point fast you will like what this site offers. It's great whether you are new getting in the business, or just trying to understand a new networking technology to apply on the job.

Joseph Hummer
Network Engineer
September 25, 2016

Jurijus Jaksto

Explains Networking in Simple Language

NetworkLessons.com provides a useful way to obtain full understanding of networking protocols, technologies and the essence of computer networks. Presented in a simple language it gives the possibility to quickly find an explanation about networking questions you are interested in.

Jurijus Jaksto
Network Engineer
October 25, 2017

Ronald Bannister

Best Networking Resource!

NetworkLessons.com is a great resource both in review of network fundamentals and helping me prepare for the Cisco CCIE R/S lab exam. Their lessons are easily understandable with simple examples to use. As a Cisco CCIE, I will continue to use NetworkLessons.com as it's important to stay current on the fundamentals while learning new concepts to broaden my skill-set.

Ronald Bannister
Sr. Network Engineer
February 14, 2018

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Stop Struggling & Start Learning

“My name is Rene Molenaar, and I am here to help you to achieve your goals. Do you want to upgrade your skills? Want to start a career in networking? Become a CCIE in Routing & Switching? Let me help you! After teaching Cisco classroom courses for several years I decided to share my knowledge online on NetworkLessons.com.”

Rene Molenaar CCIE #41726, Founder of NetworkLessons.com
(and primary course author)


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