Date: Mon, 10 Oct 2005 08:57:29 +0200 From: Ferdinand Goldmann <ferdinand.goldmann@jku.at> To: net@freebsd.org Subject: Re: dummynet, em driver, device polling issues :-(( Message-ID: <434A10D9.1060409@jku.at> In-Reply-To: <4343CE03.7090008@pp.nic.fi> References: <4341089F.7010504@jku.at> <20051003104548.GB70355@cell.sick.ru> <4341242F.9060602@jku.at> <20051003123210.GF70355@cell.sick.ru> <43426EF3.3020404@jku.at> <9CD8C672-1EF2-42FE-A61E-83DC684C893D@dragondata.com> <43429157.90606@jku.at> <4342987D.7000200@benswebs.com> <20051004161217.GB43195@obiwan.tataz.chchile.org> <1128470191.75484.TMDA@seddon.ca> <979B163D-7078-4558-9095-DC329707A5B4@dragondata.com> <4343C559.5000000@jku.at> <4343CE03.7090008@pp.nic.fi>
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Pertti Kosunen wrote: > Ferdinand Goldmann wrote: >> 944mbps is a very good value, anyway. What we see in our setup are >> throuput rates around 300mbps or below. When testing with tcpspray, >> throughput hardly exceeded 13MB/s. > > Increasing MTU should help to get better results, as long all devices in > network support jumbo frames (at least on large files). 9k or even 16k > might be supported. > Problem is only that the em driver does not support Jumbo frames on the 82545GM. :-( -- >> Ferdinand Goldmann //// | | >> EMail: Ferdinand.Goldmann@zid.uni-linz.ac.at |--00 | UNIX | >> Tel. : +43/732/2468/9398 Fax. : +43/732/2468/9397 C ^ | | >> EMail: Ferdinand.Goldmann@zid.uni-linz.ac.at \ ~/ ~~~|~~~~~~~~ >> PGP D4CF 8AA4 4B2A 7B88 65CA 5EDC 0A9B FA9A 13EA B993| |-----3
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