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

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Pick your Hands-On Training Category

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

Cisco CCNP Routing & Switching

Cisco CCIE Routing & Switching

Or any of our other topics

Subnetting
Switching
Spanning-Tree
Frame-Relay

RIP
EIGRP
OSPF
BGP

Multicast
IPv6
QoS
MPLS

Security
IP Routing
Network Services
Linux

GRE
IOS
DMVPN
PIM

NAT
ACL
VPN
IPSec

What our Members are Saying

  • March 17, 2021
    Zeljko Jake Iguman
    Zeljko Jake Iguman
    Network Engineer
    Very Comprehensive

    The lessons and video tutorials are a MUST for every network engineer who has (or wants to achieve) his/her Cisco certifications. For me personally, it gave me much more insight and understanding of every possible topic, from STP up to BGP. NetworkLessons.com helped me out during my 1st projects as a Level/Tier2 engineer. Keep up the good work!

  • March 29, 2021
    Karl Baldwin
    Karl Baldwin
    Network Engineer
    Passed Route/Switch Exam

    I used NetworkLessons.com as prep for the Cisco ENCOR exam. Last week, I passed the exam and can honestly say that the coursework here was more than comprehensive. I would recommend anyone working towards a Route/Switch exam: use NetworkLessons.com as your main study tool!

  • April 29, 2021
    Ashish Kakadiya
    Ashish Kakadiya
    Network Engineer
    Helps Immensely

    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!

527 New Members signed up the last 30 days!

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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)

Rene Molenaar Posing Right