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From: "Marcin Koziej" <marcinkoziej@o2.pl>
To: "Eric Dumazet" <dada1@cosmosbay.com>
Cc: netdev@vger.kernel.org
Subject: [solved] Re: Bug? Kernels 2.6.2x drops TCP packets over wireless (independentofcard used)
Date: Sun, 10 Feb 2008 02:00:14 +0100	[thread overview]
Message-ID: <19f9d171.497edb0.47ae4c9e.87c28@o2.pl> (raw)
In-Reply-To: <47AB5AD6.3010100@cosmosbay.com>

Dnia 7 lutego 2008 20:24 Eric Dumazet <dada1@cosmosbay.com> napisał(a):
> Typical window scaling problem here... (well, for previous traces, with 
> wscaling of 5, since with wscale 2 it seems to work), you probably have a 
> buggy router or something...
> 
> http://lwn.net/Articles/92727/
> 
> Try :
> 
> # echo 0 >/proc/sys/net/ipv4/tcp_window_scaling
> 
> And retry to connect to this ftp server
> 
> You could alternativly play with /proc/sys/net/ipv4/tcp_rmem
> 
> # echo "4096 8192 50000" >/proc/sys/net/ipv4/tcp_rmem

Thanks! That solves the problem! Now I read about TCP window scaling and I understand the issue, but I wouldn't figure/google that out myself! 
Thank You for Your time!

m.


      reply	other threads:[~2008-02-10  1:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <56de948.2f1b076b.47aac980.bfd66@o2.pl>
     [not found] ` <6101e8c40802070623t55115dc3h4cf508e432b9296f@mail.gmail.com>
     [not found]   ` <776aaa6c.68622465.47ab2df0.78e4b@o2.pl>
2008-02-07 16:30     ` Bug? Kernels 2.6.2x drops TCP packets over wireless (independent of card used) Eric Dumazet
2008-02-07 18:33       ` Bug? Kernels 2.6.2x drops TCP packets over wireless (independentof " Marcin Koziej
2008-02-07 19:24         ` Eric Dumazet
2008-02-10  1:00           ` Marcin Koziej [this message]

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