Re: Poor TCP Performance 2.4.0-10 <-> Win98 SE PPP

From: Jordan Mendelson (jordy@napster.com)
Date: Tue Nov 07 2000 - 02:32:42 EST


"David S. Miller" wrote:
>
> Date: Mon, 06 Nov 2000 23:16:21 -0800
> From: Jordan Mendelson <jordy@napster.com>
>
> "David S. Miller" wrote:
> > It is clear though, that something is messing with or corrupting the
> > packets. One thing you might try is turning off TCP header
> > compression for the PPP link, does this make a difference?
>
> Actually, there has been several reports that turning header
> compression does help.
>
> If this is what is causing the TCP sequence numbers to change
> then either Win98's or Earthlink terminal server's implementation
> of TCP header compression is buggy.
>
> Assuming this is true, it explains why Win98's TCP does not "see" the
> data sent by Linux, because such a bug would make the TCP checksum of
> these packets incorrect and thus dropped by Win98's TCP.

Ok, but why doesn't 2.2.16 exhibit this behavior?

We've had reports from quite a number of people complaining about this
and I'm fairly certain not all of them are from Earthlink.

Jordan
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