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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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588 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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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

Pete Gemakas

Learning Networking Made Easy!

Networklessons has been a great tool in my journey through learning networking, and in working towards Cisco certifications. Rene does a fantastic job of taking something complicated, and making it easy to understand. I highly recommend this site!

Pete Gemakas Network Analyst Networklessons.com October 27, 2015

Rafael Neves

Simplicity, Objectivity & Clarity

One year ago I had no knowledge in network subjects. All I knew about it, was just a user knowledge. When I decided to learn about the "Network world", the CISCO certification and so on, I started to search for sites and materials on the internet. I found many, but none has the same quality of NetworkLessons.com. NetworkLessons.com explains in a simple way, with objectivity and clarity. It explains from the beginning, gives tips for how you can study for yourself. I can really recommend! Today I am CCNA R&S certified (2 month ago) and I have to thank NetworkLessons.com. Disregarding the CISCO material, NetworkLessons.com was the only site that I used to study, and the only one that I am using as a guide to prepare myself for CCNP certifications too.

Rafael Neves Network Engineer Networklessons.com September 10, 2015


Excellent & Helpful

I feel Rene is very helpful especially when I need help in my job in Cisco. My previous experience is with Linux systems and any open-source projects, creating various services ranging from DNS, Web services to OpenVPN, and OpenRadius. Plus maintaining security of servers. I am currently working at a Stocks Exchange Software company, which requires me to have knowledge both in Cisco, and Unix. I have some basic knowledge on Cisco, however my job requires to have more in-depth knowledge especially in multicast. One thing I love in enrolling on Network Lessons is because of Rene, I feel he is a very helpful and talented Cisco Network Engineer. Hopefully I will learn a lot on Cisco and he may help me, since I started to love Cisco.

Chester Ng Ngo Unix Administrator / IT Support Networklessons.com November 18, 2015

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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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