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Here is a Linux bash script that helps you to extract vIOS vios-adventerprisek9-m.vmdk from all-in-one VM file.

Then you can run the script as it is shown below.ĭownload all-in-one.ova file and assign executable privileges to the script. The other parts of the tutorial are the following.ĭifferences between Emulation and Simulationĭifferences between Packet Tracer, GNS3, and Cisco VIRL This tutorial is the last part of the tutorial "GNS3 Setup Guide to practice CCNA/CCNP exam topics".Download the onePK All-In-One Virtual Machine +21GB free hard disk space to convert vmdk to raw formatĬonfiguration Steps for Extracting vIOS from All-In-One VMġ.The only user input is selecting path to all-in-one VM file and entering a root password needed for temporary mount of raw image. How to Install GNS3 Step by Step Explained How to use GNS3, GNS3 terminology, and overview Installing and importing Cisco IOS in GNS3Īfter downloading the IOS image file, open GNS3, click Edit and click Preferences. Navigate to the Dynamips -> IOS routersoption in the left pane and click the New button in the right pane. Select the New Image option, click the Browse button and select the downloaded IOS image file.īy default, IOS files are compressed. GNS3 supports both compressed and decompressed formats. Compressed files not only consume less space but are also easier to manage. Unless you have a particular reason to keep IOS files in their original form, click the No option to keep them in compressed format. Verify the file path again and click the Next button. If the selected IOS belongs to an outdated device, the wizard displays a warning message. In real life, using an outdated device is not recommended. Since GNS3 uses a real Cisco IOS, it also follows the same recommendation and warns us about the outdated IOS. If you only want to use this device for exam preparation or to get some hands-on experience on Cisco IOS, you can ignore this message. In the next step, the wizard extracts the hardware information ( platform and chassis number) from the selected IOS file and lists the information on the next screen along with an automatically populated device name.