Running Cisco Catalyst Switch(CLI) on GNS3 using IOU (IOS on Unix) and VirtualBox Downlaods File Name Download CiscoKeyGen.py GNS3 IOU VM 1.3.1rc4.ova GNS3 IOU VM1.2.3.ova GNS3 IOU VM-disk1.vmdk GNS3 IOU VM.vbox GNS3 IOU VM.vbox-prev iourc.txt Cisco IOU Virtualbox and GNS3.zip Cisco IOU Compaitable Images.zip Import IOU in VirtualBox The IOU Vmware zip file contains a full load of stuffs. Specify your IOU images (e.g. I86bi-linux-l3-ipbase-12.4.bin) Go to: Edit-Preferences-IOU devices-IOU images. In “IOU path:”, specify the downloaded IOU image Click “Save” button Click “Apply” button Click “OK” button. In the directory of L2 image, change permission as below.
When I wanted to add IOU L2 Switch image on GNS3, I got the following license error.
When I checked the license, I realized there was no license key.
I explained the solution :
1- Access the shell of your VM
2. Download the Keygen using the following command.