Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763405AbXJMXYb (ORCPT ); Sat, 13 Oct 2007 19:24:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756277AbXJMXYY (ORCPT ); Sat, 13 Oct 2007 19:24:24 -0400 Received: from main.gmane.org ([80.91.229.2]:54060 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754412AbXJMXYX (ORCPT ); Sat, 13 Oct 2007 19:24:23 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Stephen Hemminger Subject: Re: regression(?): starting with 2.6.21 sending packets became broken. Date: Sat, 13 Oct 2007 16:23:24 -0700 Organization: Linux Foundation Message-ID: <20071013162324.7c140a61@freepuppy.rosehill> References: <1192299385.31908.8.camel@localhost> <4711159D.1010305@unsolicited.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 069-064-229-129.pdx.net In-Reply-To: X-Newsreader: Claws Mail 3.0.2 (GTK+ 2.10.14; x86_64-redhat-linux-gnu) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1070 Lines: 28 On Sat, 13 Oct 2007 22:35:25 +0200 (CEST) Jan Engelhardt wrote: > > On Oct 13 2007 19:59, David wrote: > >Try > > > >echo 0 > /proc/sys/net/ipv4/tcp_window_scaling > > > >I bet you have broken router(s) between your machine and the problem > >site(s). > > There is an xt_TCPOPTSTRIP module in the works that allows you to strip > Window Scaling only on the connections you want (rather than globally); > seems to be in for 2.6.24 at earliest, though it's there is also the > standalone patch. You can also do it on a per route basis which is easier than bothering with filtering rules by just enforcing a window size limit. ip route add {broken_dst}/32 via {gateway} window 65535 Long description at: http://lwn.net/Articles/92727/ -- Stephen Hemminger - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/