Hilscher Gesellschaft fuer Systemautomation mbH
With this image you are able to build an Ethernet Error generator. You also need an NXIO100 board.
[attachment=0]Ethernet_Error_Generator.zip[/attachment]
Note: This image comes without warranty and support and is provided "as is". It is not guaranteed to be error-free and may not cover all your needs. Use it at your own risk.