From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751446AbWCCNnj (ORCPT ); Fri, 3 Mar 2006 08:43:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751450AbWCCNnj (ORCPT ); Fri, 3 Mar 2006 08:43:39 -0500 Received: from mail.suse.de ([195.135.220.2]:61117 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S1751446AbWCCNnj (ORCPT ); Fri, 3 Mar 2006 08:43:39 -0500 To: Oumer Teyeb Cc: linux-kernel@vger.kernel.org Subject: Re: TCP control block interdependence References: <44081B7B.5060104@kom.aau.dk> From: Andi Kleen Date: 03 Mar 2006 14:43:35 +0100 In-Reply-To: <44081B7B.5060104@kom.aau.dk> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Oumer Teyeb writes: > From these I conclude that there is some TCP congestion control and > retransmission parameter caching, that is also time dependant.... > and I want to disable it completley... There is yes. > So in short do you know how to disable this control block > interdepence? echo 1 > /proc/sys/net/ipv4/tcp_no_metrics_save > by the way I am using debian linux distribution and "uname -a" gives me > Linux 2.4.25-std #1 SMP Mon Mar 22 10:25:51 CET 2004 i686 unknown I don't know if that sysctl was already in 2.4 and it's unclear if it makes sense to do any tests on such an old codebase anyways. Better use a 2.6 kernel. -Andi