From owner-freebsd-net Tue Apr 4 9:50:48 2000 Delivered-To: freebsd-net@freebsd.org Received: from mrout2.yahoo.com (mrout2.yahoo.com [208.48.125.152]) by hub.freebsd.org (Postfix) with ESMTP id 3A4E637B67A for ; Tue, 4 Apr 2000 09:50:40 -0700 (PDT) (envelope-from jayanth@yahoo-inc.com) Received: from milk.yahoo.com (milk.yahoo.com [206.251.16.37]) by mrout2.yahoo.com (8.10.0/8.10.0/y.out) with ESMTP id e34GoJv81950 for ; Tue, 4 Apr 2000 09:50:19 -0700 (PDT) Received: (from root@localhost) by milk.yahoo.com (8.8.8/8.6.12) id JAA17068 for net@FreeBSD.ORG; Tue, 4 Apr 2000 09:50:18 -0700 (PDT) Date: Tue, 4 Apr 2000 09:50:18 -0700 From: jayanth To: net@FreeBSD.ORG Subject: Simultaneous close .... Message-ID: <20000404095017.B15820@yahoo-inc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1us Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org I was testing b/w two 4.0 boxes and saw the following scenario. Server side ----------- 10:14:41.260613 server.7000 > client.1136: P 1:101(100) ack 32001 win 65535 (DF) 10:14:41.260709 server.7000 > client.1136: F 101:101(0) ack 32001 win 65535 (DF) 10:14:41.652936 client.1136 > server.7000: F 32001:32001(0) ack 101 win 17520 (D F) 10:14:41.653075 server.7000 > client.1136: F 101:101(0) ack 32002 win 65535 (DF) 10:14:41.659388 client.1136 > server.7000: F 32001:32001(0) ack 102 win 17520 (D F) 10:14:41.659485 server.7000 > client.1136: . ack 32002 win 65535 (DF) 10:14:41.989824 client.1136 > server.7000: . ack 102 win 17520 (DF) Client side ----------- 18:10:18.484731 server.7000 > client.1136: P 1:101(100) ack 32001 win 65535 (DF ) 18:10:18.485193 client.1136 > server.7000: F 32001:32001(0) ack 101 win 17520 (D F) 18:10:18.490679 server.7000 > client.1136: F 101:101(0) ack 32001 win 65535 (DF) 18:10:18.490726 client.1136 > server.7000: F 32001:32001(0) ack 102 win 17520 (D F) 18:10:18.818621 server.7000 > client.1136: F 101:101(0) ack 32002 win 65535 (DF) 18:10:18.818626 server.7000 > client.1136: . ack 32002 win 65535 (DF) 18:10:18.818663 client.1136 > server.7000: . ack 102 win 17520 (DF) If I remember right the last two ACKS are not necessary during simultaneous close? jayanth To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message