From owner-freebsd-questions Wed May 5 2:44:20 1999 Delivered-To: freebsd-questions@freebsd.org Received: from mail.promo.de (mail.Promo.DE [194.45.188.65]) by hub.freebsd.org (Postfix) with ESMTP id 21D2014FFA; Wed, 5 May 1999 02:44:03 -0700 (PDT) (envelope-from stefan.bethke@hanse.de) Received: from d225.promo.de (d225.Promo.DE [194.45.188.225]) by mail.promo.de (8.8.8/8.8.8) with ESMTP id LAA29760; Wed, 5 May 1999 11:43:52 +0200 (CEST) Date: Wed, 05 May 1999 11:43:08 +0200 From: Stefan Bethke To: Matthew Gessner Cc: freebsd-net@FreeBSD.ORG Subject: Re: Question about LOTS of outgoing TCP connections with data Message-ID: <312971.3134893388@d225.promo.de> In-Reply-To: <372F2B72.6B44D5F7@flashmail.com> Originator-Info: login-id=stefan; server=mail X-Mailer: Mulberry (MacOS) [1.4.2, s/n U-301178] MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG [ moved to -net ] Matthew Gessner wrote: > I have a program that creates X tcp connections to a given host (it's a > proprietary network interface card... X.25, TCP/IP, etc). > > Now, I want to be able to test this sucker from FreeBSD. When I start > all 400 connections, 3.1-RELEASE REBOOTS. > > Hmm... kind of nasty behaviour. > > I'm running on a Pentium 166MHz with 32MB of RAM and a 96MB swap space. Does is simply reboot, or does it panic? In any case, try increasing NMBCLUSTERS (or MAXUSERS). Try 200 connections, and look at the used allocations with netstat -m, this should give you an idea whether this is your problem, and how much you should increase NBMCLUSTERS. Stefan -- M=FChlendamm 12 | Voice +49-40-256848, +49-177-3504009 D-22089 Hamburg | e-mail: stefan.bethke@hanse.de Germany | stb@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message