From owner-freebsd-net@FreeBSD.ORG Thu Nov 29 16:36:36 2012 Return-Path: Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 40AE5A50; Thu, 29 Nov 2012 16:36:36 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10]) by mx1.freebsd.org (Postfix) with ESMTP id AF62C8FC17; Thu, 29 Nov 2012 16:36:34 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.5/8.14.5) with ESMTP id qATGaX7N020766; Thu, 29 Nov 2012 20:36:33 +0400 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.5/8.14.5/Submit) id qATGaXks020765; Thu, 29 Nov 2012 20:36:33 +0400 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Thu, 29 Nov 2012 20:36:33 +0400 From: Gleb Smirnoff To: Zaphod Beeblebrox Subject: Re: 9.1-RC3 IGB dropping connections. Message-ID: <20121129163633.GM14202@FreeBSD.org> References: <50B57632.6050004@sentex.net> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Cc: FreeBSD Hackers , FreeBSD Net , FreeBSD Stable , Mike Tancsa X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Nov 2012 16:36:36 -0000 On Tue, Nov 27, 2012 at 10:26:55PM -0500, Zaphod Beeblebrox wrote: Z> > Are you using pf ? Also, did you confirm it is the igb nic and not Z> > something more general ? e.g. if you put in a different nic, does the Z> > problem go away ? Z> Z> No pf, the motherboard em-driver NIC does not have this problem. I'd suggest to do some traffic sniffing when connection is dropped. May be some other host on network takes your IP address and resets connection? -- Totus tuus, Glebius.