> I changed cables and couldn't reproduce that bad results so I changed cables > back but also cannot reproduce them, especially the ggate write, formerly > with 2,6MB/s now performs at 15MB/s, but I haven't done any polling tests > anymore, just interrupt driven, since Matt explained that em doesn't benefit > of polling in any way. > > Results don't indicate a serious problem now but are still about a third of > what I'd expected with my hardware. Do I really need Gigahertz Class CPUs to > transfer 30MB/s over GbE?
I would be highly surprised if you did. When I tested this a while ago (around FreeBSD 4.8) with a pair of Intel ISP 1100 1U servers using Pentium 700 and Intel GigE cards (em driver), I was able to get around 700 Mbps using ttcp. This was done with a normal 32 bit 33 MHz PCI bus. Steinar Haug, Nethelp consulting, [EMAIL PROTECTED] _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
