BTW, On an Asus EEE PC, "ethtool -K eth0 rx off" is rejected. However, "ethtool -K eth0 tx off" will in fact turn off *both* TX and RX checksumming (and vice versa).
romulus@meatwad:~$ sudo ethtool -k eth0 Offload parameters for eth0: rx-checksumming: on tx-checksumming: on scatter-gather: off tcp-segmentation-offload: off udp-fragmentation-offload: off generic-segmentation-offload: on generic-receive-offload: off large-receive-offload: off romulus@meatwad:~$ sudo ethtool -K eth0 rx off Cannot set device rx csum settings: Operation not supported romulus@meatwad:~$ sudo ethtool -K eth0 tx off romulus@meatwad:~$ sudo ethtool -k eth0 Offload parameters for eth0: rx-checksumming: off tx-checksumming: off scatter-gather: off tcp-segmentation-offload: off udp-fragmentation-offload: off generic-segmentation-offload: on generic-receive-offload: off large-receive-offload: off -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/60764 Title: Large file transfer gives error: Corrupted MAC on input -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs