How to Install GNS3 on macOS High Sierra

You can use the GNS3 network simulator on Windows and Linux operating systems as well as on a Mac computer.

How to Install GNS3 on macOS High Sierra

How to Install GNS3 on Mac OS High Sierra

The GNS3 program is the most common program used to prepare for the Cisco exams and frequently use by many companies. The GNS3 program is becoming more and more powerful and is making a difference compared to its competitors.

GNS3 version 2.1 released on November 10, 2017. GNS3 2.1 has many improvements and improvements over the previous version.

In our previous articles, we have looked at the steps to install GNS3 on Windows and Linux / Ubuntu operating systems;

You can also easily install and run GNS3 on Apple computers. Apple, macOS High Sierra 10.13 operating system was released last month. In this article, we will install GNS3 2.1 on Mac OS 10.13 and finally add a Cisco Router c7200.

How to Setup and Run GNS3 and on Mac

Follow the steps below to install GNS3 2.1 on Mac OS.

   Step 1

To download GNS3 2.1 for macOS High Sierra, go to the GNS3 website and click the Download button.

Download GNS3 for Mac

   Step 2

In the window where GNS3 is available for Windows, Linux and Mac, click the Download button under Mac.

Mac / Download GNS3

   Step 3

After downloading the program to your computer, double-click the DMG file extension, and then drag and drop GNS3 to the Applications section.

Drag and Drop GNS3 into Applications

   Step 4

Go to Applications and run GNS3. Click the Open button to skip the error “GNS3 is from an unidentified developer“.

If you cannot run it on a Mac, you must allow this application in the Security and Privacy section in the Settings section.

Confirm GNS3 Opening

   Step 5

After running GNS3, in the Setup Wizard window, select Run only legacy IOS on my computer to add the Cisco Router.

Run Modern IOS

   Step 6

Select the Router c7200 IOS and click the Open button.

Choosing a Cisco IOS Image

   Step 7

After adding the Cisco Router c7200 image to GNS3, drag and drop the Router c7200 to the workspace and run it to test the Router.

Drag and Drop the Router to the Work Area

   Step 8

You can learn the model and version of the Router you have added on GNS3 by using the show version command.

Router Show Version Command

How to Use GNS3 on Mac ⇒ Video

You can watch the video below for GNS3 installation and use and also subscribe to our YouTube channel to support us!

   Final Word

In this article, we have examined step by step how to install and use GNS3 on Mac OS High Sierra. Thanks for following us!

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