Date: Wed, 05 May 1999 11:43:08 +0200 From: Stefan Bethke <stefan.bethke@hanse.de> To: Matthew Gessner <mgessner.freebsd@flashmail.com> 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>
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[ moved to -net ] Matthew Gessner <mgessner.freebsd@flashmail.com> 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-net" in the body of the message
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