From owner-freebsd-net@FreeBSD.ORG Tue Mar 16 23:14:56 2004 Return-Path: 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 63FD316A4CE; Tue, 16 Mar 2004 23:14:56 -0800 (PST) Received: from demos.su (mx.demos.su [194.87.0.32]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2F97043D1F; Tue, 16 Mar 2004 23:14:55 -0800 (PST) (envelope-from tolyar@mx.ru) Received: from [194.87.2.159] (HELO dwarf.demos.su) by demos.su (CommuniGate Pro SMTP 4.1.8/D) with SMTP id 179727296; Wed, 17 Mar 2004 10:14:53 +0300 Date: Wed, 17 Mar 2004 10:14:53 +0300 From: Zherdev Anatoly To: "Crist J. Clark" Message-Id: <20040317101453.5fcdaa82@dwarf.demos.su> In-Reply-To: <20040317000611.GA51156@blossom.cjclark.org> References: <20040316125335.5f64cac5@dwarf.demos.su> <20040317000611.GA51156@blossom.cjclark.org> X-Mailer: Sylpheed version 0.9.9claws (GTK+ 1.2.10; i386-portbld-freebsd5.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit cc: freebsd-net@freebsd.org cc: cristjc@comcast.net Subject: Re: Problem with closing tcp session between cisco and freebsd X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Mar 2004 07:14:56 -0000 On Tue, 16 Mar 2004 16:06:11 -0800 "Crist J. Clark" wrote: [Skip...] ^ > The zero window-size tells me the TCP buffer on the FreeBSD side is > full. The Cisco is trying to send that last byte of data and the FIN, > but the FreeBSD side cannot accept it since the buffer is full. This > usually means the application on the FreeBSD side is not reading the > data out of the socket. > > What's the 'netstat -an' for this connection on the FreeBSD side? There is netstat -an for this session tcp4 57352 0 FREEBSD.513 CISCO.990 ESTABLISHED -- Zherdev Anatoly.