Re: quite big breakthrough in the BAD network performance, which mm6 did not fix

Redeeman
2004-07-07T07:45:41Z

okay, no i tested using a hardware router as gateway and it works fine,
but this could aswell be because the hardware router is having the same
stuff as default has linux 2.6.5, i dont know,

what more shall i test? :)

On Wed, 2004-07-07 at 08:31 +0200, bert hubert wrote:
> On Wed, Jul 07, 2004 at 07:46:26AM +0200, Redeeman wrote:
> > this must be some misunderstanding, i do not want to complain, and i
> > dont hope people get that impression, i am trying to do feedback, so
> > that issues can be fixed.
>
> Redeeman - your firewall is broken, or somebody's firewall.
>
> Look at /proc/sys/net/ipv4/tcp_default_win_scale , if it currently contains
> 7, do:
>
> echo 1 > /proc/sys/net/ipv4/tcp_default_win_scale
>
> and retry.
>
> > downloads with 200kb/s from http://kernel.org, and 2.6.7 only 50kb/s,
> > this should be able to prove its some issues with 2.6.7, but thats just
> > my opinion
>
> Things can be more complicated than they appear. Currently all evidence for
> these changes points to firewalls messing with TCP options, TCP options
> which used to have more default versions in older kernels.
>
> Regards,
>
> bert
>