Date: Wed, 1 Sep 1999 10:15:00 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Phil Regnauld <regnauld@ftf.net> Cc: freebsd-net@FreeBSD.ORG Subject: Re: Testing gigabit NIC/ switches and 3C985B-SX support Message-ID: <14285.13363.795038.838208@grasshopper.cs.duke.edu> In-Reply-To: <19990901160814.23604@ns.int.ftf.net> References: <19990901160814.23604@ns.int.ftf.net>
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Phil Regnauld writes: > [a bit off-topic] > > A colleague of mine is using 3Com 9300 SSII gigabit switches > in tandem with 3C985B-SX 1000baseSX NICs (we don't support those, do we ?) > > Using NT (Compaq PII-400 boxes) they get 132~133 Mbit/s (tested with netperf), > thorough the switch. > > 3Com has drivers for Linux (2.1.131), but I wonder if Linux would > be realistic enough for this kind of tests -- any suggestions ? > > 131 seems a bit low -- I've heard of 250-300 Mbit/s on that kind of hardware > (maybe not with NT :-) > These should be supported using the tigon driver (if_ti). You can expect about 2-3x this level of performance from FreeBSD. Perhaps even more if you can use "jumbo" (aka 9000 byte) frames. Does this 3Com 9300 SSII switch support jumbo frames? Cheers, Drew ------------------------------------------------------------------------------ Andrew Gallatin, Sr Systems Programmer http://www.cs.duke.edu/~gallatin Duke University Email: gallatin@cs.duke.edu Department of Computer Science Phone: (919) 660-6590 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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