Cisco IOU, just like IOS, is copyrighted software that belongs to cisco Systems, Inc. Distribution of copyrighted software is a federal crime in the United States. I cannot speak regarding the laws of other countries. Jul 25, 2015  Cisco IOU L2 L3 lab with GNS3 Switching in GNS3 on 15:07 in Cisco, gnslabs 61 comments Cisco IOS on Unix, also known as Cisco IOU, is released for internal Cisco use only.

After you download the IOL files () you will need a python script to generate the licences that will allow you emulate these images in eve. Here is the script: Copy this code into a text file and call it script.py or other name you like with the py extension. Now using WinSCP or some other scp client upload the images and the python script into EVE to the folder /opt/unetlab/addons/iol/bin. Next, on EVE console, inside the folder where you uploaded the images and the script execute the command: root@eve-ng:~# python2 script.py hostid=001e0001, hostname=eve-ng, ioukey=9f1234 Add the following text to ~/.iourc: [license] eve-ng = abcdef. Any idea on how to solve this error root@eve-ng:/opt/unetlab/addons/iol/bin# python2 CiscoIOUKeygen.py ********************************************************************* Cisco IOU License Generator – Kal 2011, python port of 2006 C version Modified to work with python3 by c_d 2014 hostid=a8c0c800, hostname=eve-ng, ioukey=a8c0ca42 Traceback (most recent call last): File “CiscoIOUKeygen.py”, line 21, in md5input=iouPad1 + iouPad2 + struct.pack(‘!i’, ioukey) + iouPad1 struct.error: ‘i’ format requires.

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Hi, Thanks for the post, i tried researching and couldnt find detail steps on setting up the vm. I went through all the process and got the vM commected however, i am getting errors once i try to add the iou image. The first error i get is 'Error while getting the vms: Get/Iou/image not found'. I however will proceed and add the image, how when i try adding the device to the workspace i get this error 'Error while creating nodes.node not found' please help me as this is the only obstacle to be practicing my ccna.