Date: Fri, 23 Dec 2005 15:25:02 -0800 From: Julian Elischer <julian@elischer.org> To: .@babolo.ru Cc: freebsd-net@freebsd.org, Matt Staroscik <matt@wrongcrowd.com> Subject: Re: Good gigabit NIC for 4.11? Message-ID: <43AC874E.1010208@elischer.org> In-Reply-To: <1135377218.010275.56487.nullmailer@cicuta.babolo.ru> References: <1135377218.010275.56487.nullmailer@cicuta.babolo.ru>
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"."@babolo.ru wrote: >>I've been Googling up a storm but I am having trouble finding >>recommendations for a good gigabit ethernet card to use with 4.11. The >>Intel part numbers I found in the em readme are a few years old now, and >>I can't quite determine how happy people are with other chipsets despite >>my searches. >> >>I'm looking for a basic PCI 1-port card with jumbo frame support if >>possible--I can live without it. Either way, stability is much more >>important than performance. >> >> >em for PCI32x33MHz works good up to 250Mbit/s, not more >em for PCI64x66MHz works up to about 500Mbit/s without polling > > with 2 em interfaces on pci-express, bridging between the two interfaces I can bridge 930Mbits/sec. That is with filterring using ipfw on the bridge, testing against a single table of 128000 entries. (dell 2850 plus an Intel quad gig card) I get the same thoughput even with the machine bypassed. I haven't tried two streams going in opposite directions to see if I can double that, but cpu usage is around 15% >and drops packets at about 250Mbit/s. >bge integrated in Tyan's dual opteron mobo works good >up to 500Mbit/s and may be more (CPU not 100% busy) > >_______________________________________________ >freebsd-net@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-net >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > >
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