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

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657 lessons and I am constantly adding new lessons, videos and reference material. Everything is explained in the simplest 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

September 26, 2017

Florian Valette

Network Engineer

Just Amazing

All topics are explained very well in an understandable language. It's also a perfect website when you have some shortcomings in some protocols. NetworkLessons.com is an amazing learning platform. Thanks so much for a great learning experience!
November 22, 2018

Ram Shummoogum

Network Architect

Best Resource Out There

NetworkLessons.com has the secret ingredients to break down something complex and make it look crystal clear. Over the past 25 plus years, I have visited many blog sites and forums including the famous Group Study. I can tell you that NetworkLessons.com is the best resource I have come across. I feel privileged to be a member!
May 15, 2015

Gabriel Santana

Data Center Analyst

Easy To Read

There are a lot of websites with content about computer networks but on networklessons I found the best and easy to read articles to help me prepare for Cisco exams. I am very happy and excited about each subject that I have learned!

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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)