On Wed, Dec 03, 2014 at 10:54:14AM +1100, Darren Tucker wrote: > On Fri, Nov 28, 2014 at 6:32 PM, Blaise Hizded <bla...@ovh.fr> wrote: > > > > I run the previous generation ALIX 2D13 with OpenBSD 5.6 on it for a > > home firewall with 10MB WAN broadband and 100MB between computers. > > All is fine: low temperature, low consumption, same speed as with a > > basic 100MBB switch. > > > > I spent some time tuning the vr(4) driver on ALIX a while back[1], and in > my experience the throughput maxes out at around 85 Mbit/s of TCP (ie > iperf) traffic through it. I don't know what the limiting factor is, but > it's not CPU. My guess is it's the checksum offload hardware in the chips, > in which case doing those in software would be faster at the cost of using > more CPU, but I never tested this theory. > > [1] http://undeadly.org/cgi?action=article&sid=20130201054156
On my Alix 2d13s I have seen peaks of about 230 Mbps as reported by nfsen, which is in line with Darren's observed results. They've been a good fit on 100 Mbps Ethernet segments.
