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Theory & Explanations
Clear explanations of networking protocols and concepts with real-world context.
Step-by-Step Configurations
Learn how to configure protocols and features with detailed walkthroughs.
Cisco Certification Courses
Complete certification preparation courses
CCNA 200-301
The new CCNA 200-301 exam covers the basics of networking including protocols like IPv4, IPv6, TCP, and UDP. You will learn how to configure Cisco routers, switches, and wireless devices.
CCNP ENCOR 350-401
CCNP ENCOR 350-401 is the core exam of CCNP Enterprise and covers a wide range of protocols and features. Topics include spanning-tree, Etherchannels, routing protocols (EIGRP, OSPF, BGP), multicast, and more.
CCNP ENARSI 300-410
CCNP ENARSI 300-410 covers advanced routing topics including OSPF, EIGRP, and BGP in detail. We also cover MPLS, DMVPN, troubleshooting techniques, and many other topics.
CCIE Enterprise Infrastructure
This course covers all topics you might encounter during the CCIE Enterprise Infrastructure lab exam.
Cisco ASA Firewall
In these lessons you will learn how to configure everything the Cisco ASA firewall has to offer…NAT, IPSEC/SSL VPNs, Anyconnect remote VPN, failover, and many other things.
Routing & Switching Courses
In-depth courses on routing protocols, switching, and network fundamentals
Subnetting
Learn how to do subnetting in binary or decimal and how to become really fast at it. You will also learn how to calculate hexadecimal addresses which is useful for IPv6.
Switching
Everything you need to know about switches. How switches learn MAC addresses, what VLANs and trunks are and how spanning-tree is used to create loop-free topologies.
Spanning-Tree
Learn how spanning-tree is used on switches to create a loop-free L2 topology. Covers the basics of spanning-tree and the different versions: PVST, RPVST, and MST.
RIP
RIP (Routing Information Protocol) is an old distance vector routing protocol. It’s a great routing protocol to start with if you are new to networking.
EIGRP
EIGRP (Enhanced Interior Gateway Routing Protocol) is Cisco’s IGP that was made an “open standard” in 2013. Learn from the basics to the most advanced topics.
OSPF
OSPF (Open Shortest Path First) is a popular link-state routing protocol. Start with the basics and work your way through the most advanced OSPF topics.
IS-IS
IS-IS is a link-state routing protocol similar to OSPF. Learn what IS-IS is, how it differs from OSPF, and advanced topics like route leaking.
BGP
BGP (Border Gateway Protocol) is the routing protocol of the Internet. Learn how BGP uses attributes to determine the best path for each destination.
Multicast
Learn the different protocols required to make multicast work on routers and switches. Covers sending traffic from one or multiple sources to a group of receivers.
IPv6
IPv6 is the successor of IPv4. Learn the basics of IPv6 and how to configure it on Cisco IOS routers.
Quality of Service
With QoS (Quality of Service), you can prioritize, queue, limit, or filter different traffic types and applications. Learn the basics of QoS and how to implement it.
MPLS
MPLS (Multi Protocol Label Switching) is a mechanism that switches traffic based on labels. Typically seen in service provider networks to build VPNs for customers.
Programming
Network automation and programming courses
Python
Learn the basics of Python with a focus on network engineers. You will learn everything you need to know about Python to interact with networks, network devices, and APIs.
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Created by Rene Molenaar CCIE #41726