Re: fxp driver performance expectations

2006-06-15 Thread Danial Thom
--- Paul Marciano <[EMAIL PROTECTED]> wrote: > --- Danial Thom <[EMAIL PROTECTED]> wrote: > > You couldn't do 100Mb/s with em on a 100Mb/s > line > > with min packets, because there are gaps > between > > packets so its impossible. > > Thanks for the detailed reply Danial. > > By 100Mbps I mea

Re: fxp driver performance expectations

2006-06-15 Thread Paul Marciano
--- Danial Thom <[EMAIL PROTECTED]> wrote: > You couldn't do 100Mb/s with em on a 100Mb/s line > with min packets, because there are gaps between > packets so its impossible. Thanks for the detailed reply Danial. By 100Mbps I mean line-rate: 148809 packets/sec for 64-byte Ethernet frames + IPG an

Re: fxp driver performance expectations

2006-06-15 Thread Danial Thom
--- Paul Marciano <[EMAIL PROTECTED]> wrote: > Hello. > > I am running FreeBSD-5.4 on a 3GHz P4 with two > Intel > fxp NICs running IP forwarding with polling > enabled. > > For larger packets (e.g. 700 bytes) I am > getting > 100Mbps throughput port to port. > > For min-size packets (64 byte

Re: fxp driver performance expectations

2006-06-15 Thread Charles Swiger
On Jun 15, 2006, at 2:25 PM, Paul Marciano wrote: For larger packets (e.g. 700 bytes) I am getting 100Mbps throughput port to port. For min-size packets (64 bytes) I am only seeing around 60Mbps. Increasing HZ and the polling parameters does not help. You should be aware that the minimum 64-b

fxp driver performance expectations

2006-06-15 Thread Paul Marciano
Hello. I am running FreeBSD-5.4 on a 3GHz P4 with two Intel fxp NICs running IP forwarding with polling enabled. For larger packets (e.g. 700 bytes) I am getting 100Mbps throughput port to port. For min-size packets (64 bytes) I am only seeing around 60Mbps. Increasing HZ and the polling parame