* nate <[EMAIL PROTECTED]> [2007-06-06 17:52]: > Henning Brauer wrote: > > * nate <[EMAIL PROTECTED]> [2007-06-05 21:44]: > >> I built 3 OpenBSD 3.6(?) servers in mid 2005 with these cards, and > >> was able to get a peak throughput of about 520Mbps in bridged mode > >> (pf disabled) measured using iperf. > > > > the single-stream tcp test iperf uses is pretty meaningless > > (unless.. well, that's another story) > > > >> Interrupt cpu time was ~30%, the rest of the cpu was idle. > > hmm, well I would expect this would provide a maximum number for > throughput because there's only 1 connection, no extra processing > vs multiple connections, not that multiple connections should > matter since it was a bridge, and pf was disabled for the test. > > It doesn't make sense to me why more connections would increase > throughput, can you(or someone) explain why this would be the > case.
please go read up on tcp and the interactions between delay, window size, bandwidth etc. > I tested at the time during boot). Even now I think I've gotten > one response(may of been off-list) saying they get less than > 500Mbit on their card(forgot which card off hand, not the Intel > one though). i have a customer where we route about 800 MBit/s of real world traffic. -- Henning Brauer, [EMAIL PROTECTED], [EMAIL PROTECTED] BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS Services Dedicated Servers, Rootservers, Application Hosting - Hamburg & Amsterdam
