From owner-freebsd-stable Thu Apr 5 9:38:39 2001 Delivered-To: freebsd-stable@freebsd.org Received: from point.osg.gov.bc.ca (point.osg.gov.bc.ca [142.32.102.44]) by hub.freebsd.org (Postfix) with ESMTP id 3E47937B424 for ; Thu, 5 Apr 2001 09:38:35 -0700 (PDT) (envelope-from Cy.Schubert@uumail.gov.bc.ca) Received: (from daemon@localhost) by point.osg.gov.bc.ca (8.8.7/8.8.8) id JAA01872 for ; Thu, 5 Apr 2001 09:38:34 -0700 Received: from passer.osg.gov.bc.ca(142.32.110.29) via SMTP by point.osg.gov.bc.ca, id smtpda01869; Thu Apr 5 09:38:16 2001 Received: (from uucp@localhost) by passer.osg.gov.bc.ca (8.11.2/8.9.1) id f35GcBC42371 for ; Thu, 5 Apr 2001 09:38:11 -0700 (PDT) Received: from cwsys9.cwsent.com(10.2.2.1), claiming to be "cwsys.cwsent.com" via SMTP by passer9.cwsent.com, id smtpdL42369; Thu Apr 5 09:37:52 2001 Received: (from uucp@localhost) by cwsys.cwsent.com (8.11.3/8.9.1) id f35GbnT96821 for ; Thu, 5 Apr 2001 09:37:49 -0700 (PDT) Message-Id: <200104051637.f35GbnT96821@cwsys.cwsent.com> Received: from localhost.cwsent.com(127.0.0.1), claiming to be "cwsys" via SMTP by localhost.cwsent.com, id smtpdg96818; Thu Apr 5 09:37:49 2001 X-Mailer: exmh version 2.3.1 01/18/2001 with nmh-1.0.4 Reply-To: Cy Schubert - ITSD Open Systems Group From: Cy Schubert - ITSD Open Systems Group X-Sender: schubert To: freebsd-stable@freebsd.org Subject: TCP New Reno algorithm Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 05 Apr 2001 09:37:49 -0700 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Since upgrading some of our FreeBSD systems to the latest -stable, we've noticed that our Veritas backup throughput from the upgraded FreeBSD clients to our Veritas server, a Sun 450, had dropped to about 3 packets per second. Disabling the TCP New Reno algorithm (sysctl -w net.inet.tcp.newreno=0) returned our Veritas backup throughput to about 70 packets per second. What is the TCP New Reno algorithm supposed to do? Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Team Leader, Sun/Alpha Team Internet: Cy.Schubert@osg.gov.bc.ca Open Systems Group, ITSD, ISTA Province of BC To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message