After installing the macOS Mojave, follow the steps below for the GNS3 installation step by step.
Visit the GNS3 website and click the Download button.
To use GNS3 on your Mac and download it, click the Download button under Mac option.
Wait while the GNS3.dmg file is downloading.
Double-click the GNS3.dmg file and start the installation.
In the GNS3 installation window, drag and drop GNS3into Applications.
Wait while GNS3 is copied to Applications.
Double-click on the GNS3 icon to run GNS3 on MacOS Mojave.
You will see the following warning when you download the program you want to use from an unknown source to your Mac. Click on the OK button to close the MacOS unknown developer warning and proceed to the next step.
Open the Security & Privacy settings and click the Open Anyway button.
Click the Open button.
To add a Cisco Router to GNS3 in the Setup Wizard window after opening GNS3, check the Run only legacy IOS on my computer option and click on the Next button.
Type your macOS user account password and click OK.
Once you have successfully contacted GNS3 Local Server, click on the Next button.
Click the Finish button.
In the New appliance template window, select the Add an IOS router using a real IOS image (supported by Dynamips)option and click the OK button.
Click the Browse button to add the Cisco Router IOS image to the GNS3 program running on the Mac, and then click the Open button after selecting the IOS image.
After adding the IOS image to GNS3, click on the Next button.
Select the Idle-PC value for the Cisco Router that you added and click Finish.
Create a new project on GNS3.
The access permission for GNS3 network simulator program on MacOS Mojave 10.14 should be assigned. Click the Open System Preferencesbutton in the warning window below.
After opening Security & Privacy, check the GNS3 program in the Accessibility area.
Drag and drop the Cisco Router you added onto the GNS3 to the workspace and run the Router. After you open the Router CLI command prompt, you can learn the IOS version with the show version command.
How to Install GNS3 on macOS ⇒ Video
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In this article, we have reviewed the steps for installing GNS3 on Mac computers. And finally, after adding a Cisco Router to the GNS3 on MacOS, we have tested the program’s operability. Thanks for following us!
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