IOU tools are used to manipulate the IOU NVRAM file.
The following tools are available:
The IOU tools are based on Dynamips, see https://github.com/GNS3/dynamips
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation.
The full license text is available in the file LICENSE.
Python 2.7 or 3.x is needed. Only standard modules are used.
You can ignore this warning.
This doesn’t happen, if an existing NVRAM image is updated by iou_import.
Therefore if you extract a compressed configuration with iou_export and then re-import it with iou_import, the NVRAM usage will increase. If the flash size is quite small, you might get the error message “NVRAM size too small”.
In this case increase the NVRAM size.