From owner-freebsd-hackers Wed Sep 18 08:01:03 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id IAA29794 for hackers-outgoing; Wed, 18 Sep 1996 08:01:03 -0700 (PDT) Received: from brasil.moneng.mei.com (brasil.moneng.mei.com [151.186.109.160]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id IAA29769 for ; Wed, 18 Sep 1996 08:00:57 -0700 (PDT) Received: (from jgreco@localhost) by brasil.moneng.mei.com (8.7.Beta.1/8.7.Beta.1) id JAA08984; Wed, 18 Sep 1996 09:59:47 -0500 From: Joe Greco Message-Id: <199609181459.JAA08984@brasil.moneng.mei.com> Subject: Re: FreeBSD box as a router To: dennis@etinc.com (Dennis) Date: Wed, 18 Sep 1996 09:59:47 -0500 (CDT) Cc: jgreco@brasil.moneng.mei.com, hackers@freebsd.org In-Reply-To: <199609181435.KAA02942@etinc.com> from "Dennis" at Sep 18, 96 10:35:31 am X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > J. Greco writes.... > > >If you just need static routing, 8MB is plenty adequate. If you want to > >use Gated and do BGP4, etc, you will probably need more (since I haven't > >had to start doing this myself, I don't know how much more). > > a LOT! like 48Meg to hold a full table and to handle worst-case situations. Hmm, thanks for the hint :-) > >The machine is a 486DX/133 with two Kingston KNE-40T's (DEC 21041) and > >one of the Emerging Technologies ET-50XX cards running a T1 CSU/DSU. > >It can saturate all its links simultaneously with bandwidth to spare... > >unless all the packets are really small. I start seeing lost packets once > >I get into the 4000 pkts/sec range, IIRC. It is a great router :-) > > of course this is nothing that some extra memory wouldn't fix. But 4000pps is > very high for a single T1. No. It runs out of CPU. I suspect that I could even nail a Pentium at some point. However, typical Internet traffic is NOT UDP packets with 1 data byte - my particular stress test. So I do not worry TOOO much about this "limit" :-) ... JG