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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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Or any of our other topics

Subnetting
Switching
Spanning-Tree
Frame-Relay

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What our Members are Saying

  • April 29, 2021
    Ashish Kakadiya
    Ashish Kakadiya
    Network Engineer
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    I have been following NetworkLessons.com for a long time. Being attracted to their content I became a member. NetworkLessons.com helps me immensely working on Firewall NAT, ACL, and AAA configuration we deployed in one of our IoT projects. Thanks!

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    James Bradley
    James Bradley
    Network Engineer
    My Go-To Quick Reference

    NetworkLessons.com has been my go-to quick reference for years. It is one of the best resources available for studying. The forum is a great tool as well for bouncing ideas off others for actual networking issues. Thanks for being so practical and relevant.

  • October 5, 2021
    Joshua Kleehammer
    Joshua Kleehammer
    Network Engineer
    Thorough and Clear

    The explanations of topics are very thorough and clear. Almost every follow-up question I have, they already addressed in another video/section. Any time I have a question about a protocol, framework, implementation, etc., NetworkLessons.com is the first place I look.

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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