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SubjectRe: Massive TCPv4 bad checksum
Date
> Geert Uytterhoeven <geert@geert.cs.kuleuven.ac.be> writes:
> > On Sat, 17 Oct 1998, H.J. Lu wrote:
> >> I have massive TCPv4 bad checksum on my CSLIP link from
> >> my CSLIP server to my machine ever since I upgraded to
> >> linux 2.1.1xx. Any suggestions?
>
> > My m68k box generates plenty of these messages when receiving packets from my
> > PPC box. This would indicate a bug in the checksum code for either (or both)
> > m68k and PPC.
>
> > But I also see the message on my AXP box, when receiving packets from the PPC.
> > The Intel box on our network reports no bad checksums at all. None of the
> > Linux boxes report any bad checksums from the Winslows machines.
>
> > Who's (who are?) the bad guy(s)?
>
> Is there a systematic on what types of packets arrive with bad checksums?
>

Most of the bad packets are from ftp and rsh. As the result, my
ftp and CVS over rsh on my CSLIP link are much slower than 2.0.

--
H.J. Lu (hjl@gnu.org)

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