I would like to disable the checksum offload of my network card. I have found this command that should solve my problem:
ethtool -K eth0 tx off rx off
When I query the status of the network card with ethtool -k eth0 everything seems ok, but when I use wireshark, the TCP packets have errors in the checksum. The connectivity is ok so I suppose that the checksum offload is not disabled.
I am using Ubuntu 12.04
Thanks in advance