How to Install GNS3 on Ubuntu? | GNS3 1.5.3 Installation – GNS3 is used by people working on the Cisco CCNA exams and by individuals who want to improve themselves in the field of networking. Previously we installed GNS3 on Windows 10.
How to Install GNS3 on Ubuntu?
How to Install GNS3 on Ubuntu? | GNS3 1.5.3 Installation
The GNS3 installation on Windows is slightly different from the GNS3 installation on Ubuntu. The reason for the difference is that the Ubuntu operating system is managed by more commands. Previously, when we install GNS3 on Windows operating system, we installed the additional programs as well.
In our previous article, we implemented the steps to install Ubuntu with VMware Workstation. We recommend that you do a clean Ubuntu installation before installing GNS3 on the Ubuntu operating system.
Download Cisco Router IOS c7200
We can now go through the steps to install GNS3 on Ubuntu 16.10.
On the Ubuntu operating system, click the right button / open terminal.
After the terminal is opened, the first image is as follows.
To install GNS3 on Ubuntu, we need to test the internet connection. Because on Ubuntu, we will upload GNS3 1.5.3 files via the Internet.
At the terminal, you can test the internet connection using the command ping -c 2 www.google.com.
The first command required in GNS3 1.5.3 installation is the one shown below. We need to define GNS3 in the Ubuntu application repository.
In the terminal, type sudo add-apt-repository ppa:: gns3/ppa and press Enter.
As soon as you press Enter you will be prompted for the admin password, as shown in the following image. Enter your account user password and press Enter.
You need to press the Enter key to continue installing GNS3 on Ubuntu 16.10. Press the Enter key to continue.
Added ppa for GNS3. You can proceed to the next step.
Now, at the terminal, execute sudo apt-get update.
In the image below you can see that the files are updated via the Internet.
The final command for Ubuntu GNS3 installation is as shown below.
To install GNS3 1.5.3 on Ubuntu, type sudo apt-get install gns3-gui at the terminal and press Enter.
The additional space on the disk will use for this operation. Press (Y) and press Enter to confirm.
Files are being downloaded over the internet for Ubuntu GNS3 installation…
If you want to install the Wireshark program, press Yes. Continue the installation by selecting the No option.
Installation is proceeding.
Ubuntu GNS3 installation successfully completed! To run GNS3 1.5.3 on Ubuntu, go to the next step.
To run GNS3 on Ubuntu, type gns3 in the terminal and press the Enter key.
In order to use and configure VPCS on GNS3, you can read the article called “How to Use VPCS on GNS3?“.
How to Add and Use Cisco IOS on Ubuntu GNS3?
In order to add and use Cisco IOS on Ubuntu GNS3, firstly, download Cisco IOS the above button.
After running GNS3, the program’s first startup is as follows. In the Setup Wizard window, select Local Server.
Once you selected the Local Server option, click on the Next button.
To add Cisco Router IOS on GNS3 1.5.3, select the option below.
In the IOS images window, click the Browse button to add the Cisco Router IOS image.
In the window that opens, select the Cisco IOS image and click the Open button.
Click Yes to copy the Cisco Router IOS image to the default location.
After adding the Cisco Router IOS image, click on the Next button.
Select the Cisco Router platform and click Next.
For the basic configuration of the Cisco router, you can browse through the article called “Cisco Router Basic Configuration“.
Here you can choose how much RAM the Cisco Router will use. By default, 512MB Ram will be selected by GNS3. Continue by pressing the Next button.
This is the way how the interfaces add to the Cisco Router. In this step, leave it as default for testing purposes and click Next button.
To not be affected the performance of our computer while running the Cisco Router IOS, we need to adjust the IDLE-PC value. Idle-PC Press the Finder button to set the most appropriate value.
It’s calculating Cisco Router Idle-PC value…
The most appropriate Idle-PC value for the Cisco Router is found. Click on the OK button to continue using Ubuntu GNS3 and adding IOS.
Finish by pressing the Finish button.
Information on the Cisco Router IOS image we have added to the GNS3 program is provided. Press the OK button to close the window.
In the Create a new project window, press the OK button.
For the steps to configure the Cisco Router interfaces, you can read the article called “How to Configure Interface on Cisco Router?“.
After successfully adding your Cisco Router IOS image, drag and drop the c7200 Cisco Router from the left side into the workspace.
After you started the Cisco Router, you can see the Cisco Router IOS image version in the following display.
After closing the program, fix the GNS3 program on the taskbar to not run it again from the terminal.
After completing the steps to install GNS3 on Ubuntu, you can see the GNS3 version in the following display.
How to Install GNS3 on Ubuntu ⇒ Video
You can watch how to install GNS3 on Ubuntu 16.10. Also, subscribe to our YouTube channel.
How to Install GNS3 on Ubuntu? | GNS3 1.5.3 Installation – As you can see, loading the GNS3 program on Ubuntu is very simple. In the next steps, you can build and test your network topologies.