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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:

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Subnetting
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What our Members are Saying

  • November 6, 2023
    Saifuddin Miyaji
    Saifuddin Miyaji
    Network Consultant
    Clear Concepts, Engaging Videos

    The basic concepts are explained in crystal clear methodology. I found this platform very useful in learning from the grassroots. The videos here are highly informative and keep the viewer interested throughout. I would like extend my suggestion to raise the level of syllabus by some margin.

  • December 21, 2023
    Yavor Hadzhiev
    Yavor Hadzhiev
    IT Support Engineer
    Very Well Organized

    What I like most about NetworkLessons.com is how well the information is organized into each protocol and further sub-divided into sub-topics. The attention to detail is impressive. The videos with the topologies on the whiteboard are very helpful. I have been familiar with NetworkLessons.com for at least 6-7 years, since the GNS3 Vault website. Thank you for the good work, keep it up.

  • August 10, 2024
    Philowin Nducha
    Philowin Nducha
    Telecommunication Engineer
    Highly Recommended

    NetworkLessons.com has been incredibly useful, especially for networking knowledge. The insightful theoretical and practical lessons are outstanding for any level of expertise. I highly recommend NetworkLessons.com to anyone who aspires to become competent in solving various networking problems and wants to be part of this community.

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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 Enterprise Infrastructure? 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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