GNS3 Network Simulator 2.2.3

January 8, 2020 - GNS3 Technologies Inc. (Freeware)
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GNS3 for Windows is a software that simulates complex networks while being as close as possible from the way real networks perform, all of this without having dedicated network hardware such as routers and switches. It can also be used to experiment features or to check configurations that need to be deployed later on real devices.

Build, Design and Test your network in a risk-free virtual environment and access the largest networking community to help. Whether you are studying for your first networking exam or building out a state-wide telecommunications network, GNS3 offers an easy way to design and build networks of any size without the need for hardware. And the best part is it’s free!

Once you install the application, you can start creating your own project from scratch and add the objects you need by dragging and dropping them from the devices panel onto the dedicated area.

Next, you can establish relations between them as you see fit – when you try to create a faulty connection, GNS3 displays a warning message so you can correct your mistake. Due to this, you can rest assured that the topology you come up with can be applied on real devices without any glitches.

You can adjust the attributes of each of your objects to helps them match your exact requirements, and test the configuration every step of the way by running a simulation. You can even customize the display within the main window of GNS3 by hiding layers, interface labels or hostnames.

network topology gns3

Why should you use GNS3 for Windows?

Real-time network simulation for pre-deployment testing without the need for network hardware
Run the OS that emulates the real behavior of network hardware.

Test 20+ different network vendors in a risk-free virtual environment
Quickly run and test multiple hardware vendors without the need for hardware.

Create dynamic network maps for troubleshooting and proof of concept (POC) testing
Test your networks before you build them to reduce the time it takes to get a production network up and running.

Connect GNS3 to any real network
Leverage your existing hardware and expand your current lab by connecting you’re the app topologies directly to it.

Customized topologies and labs within GNS3 for Windows network certification training
This app is the best study tool for aspiring network professionals seeking their certifications, without the need for a home lab.

GNS3 For Windows Software Features

  • Emulating Cisco routers.
  • Simulating simple Ethernet, ATM and Frame Relay switches.
  • Load-balancing between multiple hypervisors.
  • Load and save in Dynagen’s INI-like format.
  • Image export (JPEG, PNG, BMP, and XPM).

Supported Platforms

These are the current platforms supported by GNS3.

As you can see from the table, you’ve got quite a list of devices that can be used with GNS3 to build your labs.

GNS3

This is definitely another great feature of this simulator. As you all know, with each different model of Cisco devices, you have more or less features supported by that model.

These mostly range from the types of commands supported on the particular IOS you’re running for that platform.

Pros And Cons GNS3 for Windows

Pros Cons
An in-depth means to graphically simulate in-house networks. This program assumes that the user has sufficient coding experience.
Any source code can be viewed and changed if required. Accessing in-depth details will require registration with the official website.

System Requirements

Processor 2 or more Logical cores – AMD-V / RVI Series or Intel VT-X / EPT – virtualization extensions present and enabled in the BIOS. More resources allows for larger simulation
Memory 4 GB RAM
Storage 1 GB available space (Windows Installation is < 200MB)
Additional Information More storage is needed for OS and Device Images.
Operating System Windows OS

Technical Specification

Software Name GNS3 For Windows V 2.2.3
File Size 84.5 MB
Languages Multiple languages
License Free
Developer GNS3 Technologies Inc.

In a nutshell, if you are studying for a Cisco or Juniper certification exam, or you want to test a certain topology you created, you will surely appreciate the functions of GNS3 for Windows. And since it is a freeware utility, you can just go ahead and discover its features yourself.

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