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Complex networking topics explained in the simplest way possible…
Including Cisco CCNA, CCNP and CCIE Enterprise Infrastructure.

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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:

Cisco CCNA Routing & Switching

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Subnetting
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What our Members are Saying

  • October 13, 2023
    Mustain Abdilah
    Mustain Abdilah
    Network Engineer
    I Feel More Confident

    Best explanation; easy to understand, even for those new to network technology. Since taking the courses and lessons from NetWorkLessons.com, I feel more confident with my knowledge and skills. Thank you!

  • November 13, 2023
    Maciej Stanecki
    Maciej Stanecki
    Network & Cloud Engineer
    Optimal Learning Balance

    NetworkLessons.com has the best ratio between explaining the theory and practicing it. The explanations are very comprehensive. The visuals like topology screen shots and CLI outputs are top-notch as well.

  • April 10, 2024
    Matt Bednar
    Matt Bednar
    Network Consultant
    The Best Value

    NetworkLessons.com does an absolutely wonderful job of taking the time on every lesson to cover all aspects of a particular technology and does it in a way that builds, concept upon concept. This is very good for those who are looking for a systematic approach. This is my go-to site for things I need to refresh on. By far, the best value on the market. Engineers tend to get lost in the details. NetworkLessons.com will make sure you stay on track!

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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)

Rene Molenaar Posing Right