[tulip] Help forcing to 100M

Dan Hollis goemon@anime.net
Thu, 21 Dec 2000 03:12:51 -0800 (PST)

On Thu, 21 Dec 2000, John Sutton wrote:
> On Wed, 20 Dec 2000, you wrote:
> > On Wed, 20 Dec 2000, John Sutton wrote:
> > > Changing to full duplex is surely not going to make any difference to file
> > > transfer speeds except when you've got a simultaneous transfer in both
> > > directions - which is an unusual circumstance?
> > It does. Outgoing TCP ACKs have to fight with incoming traffic in half
> > duplex mode.
> True, but it's a very small difference in my experience.  Still, if you've got
> full duplex kit, best to use it.  And for the connection between a server and a
> hub/switch, it's certainly going to be worthwhile.

For me the difference between half and full duplex 100baseT is the
difference between 60mbit and 100mbit (tested using ttcp). It's a big
difference for me.