On Wed, Oct 10, 2007 at 05:06:07AM +0200, Holger Weiss wrote:
> * Chris Ross <cross+netbsd@distal.com> [2007-09-23 22:44]:
> >   I wanted to report that this interface works just fine on my sparc64.  At
> > least at 100Mbit, full-duplex, which is the switch I have it hooked to.
> 
> FTR, sk(4) negotiates 1000Base-T (full-duplex) just fine on my Ultra 80,
> though I'm not able to actually pipe more than ~90 Mb/s through the NIC
> on that system.

That's because the CPUs are too slow. Even Solaris can't do that on an
UltraSPARC II system despite better platform support (including a better
compiler) and all the optimizations to the network stack in Solaris 10.

The rule of thumb is that you need 1MHz per 1MBit for real workloads.

	Kind regards

-- 
Matthias Scheler                                  http://zhadum.org.uk/