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Cisco Iou Keygen.Py

Cisco Iou Keygen.Py: A Simple and Effective Way to License Cisco IOU Devices

Cisco IOU (IOS on Unix) is a simulator that allows you to run Cisco IOS images on a Linux platform. It is mainly used for learning and testing purposes by Cisco employees and partners. However, to use Cisco IOU devices, you need a valid license file that matches your host ID and host name. Otherwise, you will encounter errors such as "Invalid license" or "License expired".

Fortunately, there is a simple and effective way to generate a license file for Cisco IOU devices using a Python script called Cisco Iou Keygen.Py. This script can calculate the host key based on your host ID and host name, and then create the license using MD5 hash. You can then copy the license text to your /.iourc file and disable the phone home feature by editing your /etc/hosts file.


How to Use Cisco Iou Keygen.Py

To use Cisco Iou Keygen.Py, you need to have Python installed on your Linux machine. You also need to download the script from GitHub or other sources. Here are the steps to use the script:

  • Open a terminal and navigate to the directory where you saved the script.

  • The script will print some information such as your host ID, host name, and host key. It will also print the license text that you need to add to your /.iourc file.

  • Copy the license text and paste it into your /.iourc file. The file should look something like this:[license]your_hostname = your_license;Replace your_hostname and your_license with the values generated by the script.

  • To disable the phone home feature, edit your /etc/hosts file and add the following line at the end: will prevent Cisco IOU devices from contacting Cisco servers for license verification.

  • Save and close both files.

  • You can now run Cisco IOU devices without any license issues.


Cisco Iou Keygen.Py is a handy tool that can help you generate a license file for Cisco IOU devices in a matter of seconds. It is easy to use and works with any host ID and host name. By using this script, you can enjoy learning and testing Cisco IOS features on a Linux platform without worrying about license expiration or invalidation.

If you want to learn more about Cisco IOU devices, you can check out some tutorials online. You can also download some Cisco IOU images from various sources. However, please note that these images are not officially supported by Cisco and may have some limitations or bugs. Use them at your own risk and discretion.

: A Python script that can generate a license file for Cisco IOU devices : The GitHub repository where you can download the script : Another source where you can download the script : A tutorial on how to use Cisco IOU devices : A source where you can download some Cisco IOU images


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