From owner-freebsd-net Sat Jun 17 9:34:12 2000 Delivered-To: freebsd-net@freebsd.org Received: from paprika.michvhf.com (paprika.michvhf.com [209.103.136.12]) by hub.freebsd.org (Postfix) with SMTP id 81A4337B5BA for ; Sat, 17 Jun 2000 09:34:08 -0700 (PDT) (envelope-from vev@michvhf.com) Received: (qmail 23760 invoked by uid 1001); 17 Jun 2000 16:34:11 -0000 Date: Sat, 17 Jun 2000 12:34:11 -0400 (EDT) From: Vince Vielhaber To: Anders Nordby Cc: Luigi Rizzo , freebsd-net@FreeBSD.ORG Subject: Re: Dummynet instability In-Reply-To: <20000617183401.A16130@totem.fix.no> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sat, 17 Jun 2000, Anders Nordby wrote: > On Sat, Jun 17, 2000 at 06:04:27PM +0200, Luigi Rizzo wrote: > > am looking at the cvs logs to understand what was going on, > > but at first sight the code seems the same (functionally speaking) > > that fixed the problem in november. > > > > anyways, this problem was related with route entries changing/going > > away while the packet is stored in the dummynet (which does not > > last long, usually a few seconds). So, what is your underlying network > > structure, do you have multiple interfaces or routes that change etc ? > > It's a one NIC machine, only having a route for it's own subnet, and a > default route to a gateway there. Plus for loopback. In the kernel I have > the following network options in addition to GENERIC: > > options IPFIREWALL > options DUMMYNET > options BRIDGE > options "ICMP_BANDLIM" > options IPDIVERT > options IPFIREWALL_FORWARD > > (I don't need BRIDGE and IPDIVERT though.) > > Could something like portsentry be doing it? IIRC if told it will reroute if someone hits one of the listed ports. Vince. -- ========================================================================== Vince Vielhaber -- KA8CSH email: vev@michvhf.com http://www.pop4.net 128K ISDN from $22.00/mo - 56K Dialup from $16.00/mo at Pop4 Networking Online Campground Directory http://www.camping-usa.com Online Giftshop Superstore http://www.cloudninegifts.com ========================================================================== To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message