The Complete Course of GNS3

Name: The Complete Course of GNS3
Rating: 3.9 (10 reviews)

Learn GNS3 in a Professional way from Scratch. Become an expert in Virtualized Networking, from ZERO to HERO!

Created byThe Tech Courses

Last updated 1/2025

English

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What you'll learn

At the end of the course you will fully master GNS3, to be able to design, configure, and secure your networks using GNS3, along with troubleshooting skills
You will be able to conduct virtualized networking projects step by step , understanding all the logic and ending with advanced practical examples
You will Learn to effectively install, configure, and navigate GNS3 on Ubuntu, gaining mastery in managing IOS images and understanding its interface
You will Develop the ability to design and construct diverse network topologies, implementing VLANs, inter-VLAN routing, and essential network services
You will Acquire expertise in utilizing advanced GNS3 features, including GNS3 VM, Firewall Installation, and the application of Fortigate Firewall
You will Understand and implement NAT on Firewalls to bolster network security within simulated environments, ensuring a secure network infrastructure
You will Gain hands-on experience in diagnosing and resolving common network issues, refining the ability to troubleshoot effectively within GNS3
You will Learn to optimize network configurations to improve performance, applying strategies for efficient network operations
You will Demonstrate acquired skills through a comprehensive final project in two parts, applying learned concepts practically in simulated network scenarios
You will Start with the basics and progressively carry out more complex steps until you reach an advanced level and absolute mastery at the end of the course

Course content

7 sections • 23 lectures • 7h 33m total length

Welcome to The Complete Course of GNS30:58
Master virtualized networking with GNS3 by designing and configuring networks, exploring topologies, setting up VLANs, troubleshooting issues, and implementing DHCP, DNS, and security features in a hands-on environment.
Course Overview3:51
Explore gns3, an open source network simulator, with Windows 10 and Ubuntu installs, build topologies, import iOS images, configure IP addressing, routing protocols, VLANs, DHCP, ACL, NAT.
Introduction to GNS313:33
Gns3 is a free, open-source network simulation tool that lets you drag and drop virtual devices to build topologies, emulate devices with dynamips and qemu, and capture packets with Wireshark.
Installation and setup4:50
Install Gns3 on Windows by downloading from the official site, creating an account with two-step verification, and completing the desktop installer, then create a new project.
Installation on Ubuntu9:30
Learn to install Gns3 on Ubuntu, add the repository, update and upgrade packages, fix cache errors, and enable IOUs for Cisco routers and switches.
The GNS3 Interface16:21
Explore the GNS3 interface, create and manage projects, design topologies, configure routers and switches, use snapshots, and customize preferences for local server and virtual machines.
Quiz

Adding IOS Images11:33
Import iOS images for Cisco routers and layer 3 switches in Gns3, build a topology, assign IPs to virtual PCs, and verify connectivity with pings.
Designing Network Topologies Part-127:06
Design and connect a GNS3 network topology to the outside internet, configure a cloud and edge router with NAT, and troubleshoot connectivity using ping and DHCP-driven IP addresses.
Designing Network Topologies Part-234:53
Design a Gns3 network topology and connect a local network to the internet via the edge router, using IP addressing, OSPF routing, and VLAN switching to route traffic.

Configuring DHCP, DNS & EIGRP services24:37
Configure dhcp servers and dns on gns3, create dhcp pools, assign gateway and dns addresses, and test client ip assignments, while introducing eigrp routing and nat for future videos.
Implementing Network address translation (NAT)21:05
Learn how network address translation translates private IPs to public IPs for internet access. Implement NAT on a Gns3 router using inside and outside interfaces and access lists.
Quiz11:39
Explore NAT concepts, IPv4 class ranges, and private versus public addresses, illustrated by a case study translating a private 192.168.1.0 network to a public IP address.

Exploring GNS3 VM & Firewall Installation16:56
Install a Gns3 virtual machine on VMware Workstation, import and configure it with the Gns3 application, then install and configure a Fortinet firewall using the Fortigate 7.2.1 appliance.
Overview of Fortigate Firewall and Applying Policies32:36
Explore Fortigate firewall setup in Gns3, including enrollment of an evaluation license, dhcp and static ip configuration, bridging, nat, and building firewall policies.
NAT on Firewall27:48
Configure network address translation on a Fortinet firewall within a Gns3 lab, including inside networks, nat policies, static routes, and testing connectivity to the internet.

Final Project Part-151:27
Build a Gns3 final project network using a layer two switch and layer three routing, VLANs, inter-VLAN routing, and OSPF through a firewall and a demilitarized zone.
Final Project Part-21:03:32
Configure OSPF on three routers and set up static routes to the firewall. Implement NAT and a DMZ, assign IPs and test connectivity across interfaces.
Quiz8:54
Discover how Gns3 performs network simulation and emulation, with console emulation and packet capture via Wireshark; compare virtual machines versus Dynamips images and configure DHCP, VLAN, and SSH-based connectivity.
A quick Recap16:59
Review Gns3 installation on Windows and Ubuntu, IOS images, VLANs, OSPF and EGP routing, DHCP, NAT, ACLs, and Fortigate firewall integration.

Requirements

While not mandatory, prior experience with networking tools, simulation software, or hands-on work with network devices could be advantageous
Prepare the needed environment to follow the practical sessions (if you don't know how, don't worry, it's very easy, free, and I'll explain it to you in the course!)
A decent computer and of course, desire to learn!

Description

Become a GNS3 professional and learn one of employer's most requested skills nowadays!

This comprehensive course is designed so that IT Professionals, Network Engineers/Administrators, Security Analysts, Technology Enthusiasts & Networking Students... can learn GNS3 (Graphical network simulator-3) from scratch to use it in a practical and professional way. Never mind if you have no experience in the topic, you will be equally capable of understanding everything and you will finish the course with total mastery of the subject.

After several years working in IT, we have realized that nowadays mastering GNS3 for networking, IT infrastructure, or network security roles. Knowing how to use this tool can give you many job opportunities and many economic benefits, especially in the world of IT Infrastructure.

The big problem has always been the complexity to perfectly understand GNS3 requires, since its absolute mastery is not easy. In this course we try to facilitate this entire learning and improvement process, so that you will be able to carry out and understand your own projects in a short time, thanks to the step-by-step, detailed and hands-on examples of every concept.

With 7.5 exclusive hours of video, this comprehensive course leaves no stone unturned! It includes both practical exercises and theoretical examples to master GNS3. The course will teach you to design, configure, and secure your networks in a practical way, from scratch, and step by step.

We will start with the setup of the needed work environment on your computer, regardless of your operating system and computer.

Then, we'll cover a wide variety of topics, including:

Introduction to GNS3 and course dynamics
Navigate, install, and manage GNS3 for network simulations
Create diverse network topologies and implement crucial services like VLANs, DHCP, and DNS
Implement security measures including NAT and Firewall configurations
Diagnose and resolve common networking issues efficiently
Explore GNS3 VM, Firewall installations, and apply these in practical scenarios
Apply acquired skills in comprehensive final projects, showcasing your proficiency in network design and configuration

Mastery and application of absolutely ALL the functionalities of GNS3
Practical exercises, quizes, complete projects and much more!

In other words, what we want is to contribute our grain of sand and teach you all those things that we would have liked to know in our beginnings and that nobody explained to us. In this way, you can learn to build and manage a wide variety of projects and make versatile and complete use of GNS3. And if that were not enough, you will get lifetime access to any class and we will be at your disposal to answer all the questions you want in the shortest possible time.

Learning GNS3 has never been easier. What are you waiting to join?

Who this course is for:

Beginners who have never used GNS3 before
IT Professionals, Network Engineers/Administrators, Security Analysts, Technology Enthusiasts & Networking Students…who want to learn a new way to signal and control interactive communication sessions and networks
Intermediate or advanced GNS3 users who want to improve their skills even more!

The Complete Course of GNS3

What you'll learn

Explore related topics

Course content

Introduction to GNS36 lectures • 49min

IOS Images & Network Topologies3 lectures • 1hr 14min

Network Design and Configuration2 lectures • 32min

Network Services and Security3 lectures • 57min

Advanced GNS3 Features3 lectures • 1hr 17min

Troubleshooting and Optimization2 lectures • 23min

Project and Conclusion4 lectures • 2hr 21min

Requirements

Description

Who this course is for: