Date: Wed, 18 Sep 1996 09:59:47 -0500 (CDT) From: Joe Greco <jgreco@brasil.moneng.mei.com> To: dennis@etinc.com (Dennis) Cc: jgreco@brasil.moneng.mei.com, hackers@freebsd.org Subject: Re: FreeBSD box as a router Message-ID: <199609181459.JAA08984@brasil.moneng.mei.com> In-Reply-To: <199609181435.KAA02942@etinc.com> from "Dennis" at Sep 18, 96 10:35:31 am
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> 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
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