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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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644 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:

Ccna Certified Routing Switching Logo

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What our Members are Saying

James Chen

Great Teacher

NetworkLessons.com really makes networking as simple as plain English. Easy to understand, yet going deep when needed. In the lesson on OSPF LSA types, it is explained so well I could talk about LSA type 1, 2, 3, 4, 5 and 7 smoothly and completely in my interview with Cisco. I am a Cisco contractor as a (recently joined) Network Engineer now. I can't appreciate enough for what I have learned from this website. Thank you!


James Chen
Network Engineer
NetworkLessons.com
January 4, 2018

Hussein Sameer

Comprehensive & Accurate

NetworkLessons.com is very useful and significantly in my work as a technical support. I am enjoying the lessons a lot. The courses and lessons that provided by Rene and his team are easy to read and simple to understand. I also love his instruction videos which make me actually feel as if I were in his classroom. I am going to renew the membership forever!


Hussein Sameer
Technical Support
NetworkLessons.com
September 11, 2015



Martijn Rotteveel

Very Good

NetworkLessons.com has an amazing way simplifying complex materials without oversimplifying things. Nice drawings of the scenarios. I used their materials (and some other) to achieve CCNP level (RS) and am now using it to complement my CCIE studies. Their courses are ordered in a way that you can find answers to questions you got fast. I really recommend their materials!


Martijn Rotteveel
Teacher IT
NetworkLessons.com
December 15, 2016



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Rene Molenaar Posing Left

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)

Rene Molenaar Posing Right

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