If you are planning for a year, sow rice; if you are planning for a decade, plant trees; if you are planning for a lifetime, educate people.
– Chinese Proverb
GNS3 Installation and Configuration Guide
1. Prerequisites
Before installation, ensure your system meets the following prerequisites:
- Windows, macOS, or Linux OS
- Latest version of VirtualBox or VMware installed (for GNS3 VM)
- At least 8 GB of RAM
- Network connectivity
2. Downloading GNS3
Download GNS3:
3. Installing GNS3 on Linux
Update Packages:
Install GNS3:
4. Running GNS3
Run GNS3:
5. Installing GNS3 on Windows
Follow these steps to install GNS3 on Windows:
- Download the installer from the official website.
- Run the installer and follow the prompts.
- Choose the components to install (GNS3 VM, GNS3 GUI, etc.).
- Finish the installation and launch GNS3.
6. Importing IOS Images into GNS3
To import IOS images into GNS3, follow these steps:
- Open GNS3 and go to Edit > Preferences.
- Expand the IOS routers section on the left pane.
- Click New to create a new IOS router.
- On the “QEMU VM” page, choose the IOS image file you want to use by clicking the Browse button.
- Fill in the required details such as name and RAM size.
- Click Finish to complete the process.
7. Configuring the GNS3 VM
Start GNS3 VM:
Make sure to configure the VM’s network settings correctly for optimal performance.
8. Additional Setup
After installation, consider adding additional images and configuring routers by following the on-screen instructions in GNS3.
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