Date: Tue, 19 Apr 2005 18:49:14 +0100 (BST) From: paul@xciv.org (Paul Civati) To: freebsd-stable@freebsd.org Cc: paul@xciv.org Subject: Re: Tuning for router performance Message-ID: <200504191749.j3JHnEfE000894@tuscan.xciv.org> In-Reply-To: <200504180317.j3I3Hmdo068332@aurora.sol.net> References: <200504180317.j3I3Hmdo068332@aurora.sol.net>
next in thread | previous in thread | raw e-mail | index | archive | help
In article <200504180317.j3I3Hmdo068332@aurora.sol.net>,
jgreco@ns.sol.net (Joe Greco) writes:
> No problems with high traffic rates. (For the purposes of this discussion,
> all traffic except ssh to the router is traffic /thru/ the router).
Yes sorry I should have also mentioned I was specifically using
64byte packets for PPS testing - not entirely real world traffic.
> I find this interesting, because the aggregate traffic through the router
> is clearly not anywhere near a gigabit. So it does appear that there is
> some sort of inadvertent cap on PPS here.
I think there always will be at some point, if only because the
hardware isn't not optimised for the task.
> 2) We need to remember that the design of the P4SC{8,i} is a bit crappy,
> in that the onboard ports consist of one CSA port (no problem here)
> and one PCI port - which Supermicro wisely placed on the 32-bit, 33 MHz
> legacy PCI bus. This could potentially limit the throughput on that
> port.
Not a problem for me as I'm only using the ethernet on that bus.
-Paul-
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200504191749.j3JHnEfE000894>