From owner-freebsd-net@FreeBSD.ORG Mon Oct 10 08:04:33 2005 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A0AED16A41F for ; Mon, 10 Oct 2005 08:04:33 +0000 (GMT) (envelope-from silby@silby.com) Received: from relay01.pair.com (relay01.pair.com [209.68.5.15]) by mx1.FreeBSD.org (Postfix) with SMTP id 1F44143D58 for ; Mon, 10 Oct 2005 08:04:32 +0000 (GMT) (envelope-from silby@silby.com) Received: (qmail 85877 invoked from network); 10 Oct 2005 08:04:31 -0000 Received: from unknown (HELO localhost) (unknown) by unknown with SMTP; 10 Oct 2005 08:04:31 -0000 X-pair-Authenticated: 209.68.2.70 Date: Mon, 10 Oct 2005 03:04:29 -0500 (CDT) From: Mike Silbersack To: Olivier Nicole In-Reply-To: <200510100652.j9A6qIbV015852@banyan.cs.ait.ac.th> Message-ID: <20051010030301.F60693@odysseus.silby.com> References: <200510100622.j9A6MMbW014091@banyan.cs.ait.ac.th> <20051010012831.G60693@odysseus.silby.com> <200510100652.j9A6qIbV015852@banyan.cs.ait.ac.th> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-net@freebsd.org Subject: Re: SYN limit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Oct 2005 08:04:33 -0000 On Mon, 10 Oct 2005, Olivier Nicole wrote: >> FreeBSD has no SYN rate limit, but you could be running into TIME_WAIT >> recycling issues. > > I already set tcp.msl to 5000 to release the TIME WAIT quickly. I should really remove that sysctl... It's tangential to the problem, that would only help if you were running out of sockets. > I could not find any port conflict. > Tried that too but it dod not help. > > olivier Well, you're going to need to take tcpdumps at both hosts to figure this out, I have no idea what could be happening. Mike "Silby" Silbersack