Re: OpenSSH 4.2p1 over IPv6 results in TCP checksum error

[Daniel Roesen]

On Mon, Dec 19, 2005 at 07:11:19PM -0600, J. K. Cliburn wrote:
> Turned out to be a kernel module bug for my via-velocity gigabit
> ethernet NIC.   The VIA Velocity 6122 gigabit chip doesn't support
> offloaded TCP checksumming under IPv6, but the via-velocity driver
> distributed with Fedora doesn't make any provision for that -- it
> assumes offloaded TCP checksumming is always appropriate, no matter
> the protocol.

Hehe, this is EXACTLY what I thought of too, but I had this problem with
e1000. Took me days of troubleshooting to find out what was going on.
Fixed by disabling sendfile() support in Apache and ProFTPD.

Best regards,
Daniel