Strange NFS performance

[walt]

Richard Nyberg wrote:
I have two NFS client mahcines. One running FreeBSD 4.8 and one running
dragonfly. The NFS server runs the same version of dragonfly as the client
(from 14 Apr.).
. 
. 
Reading and writing 100MB
. 
. 
DragonFly client (1700XP AMD, 512MB RAM, if_vr0)
Reading ~13s
Writing >1min
I had a similar problem with linux on a via-rhine machine where the
performance in one direction was very slow.  It turned out to be a bug
in the via-rhine driver (now fixed).  The bug very clearly showed up
with scp as well as nfs -- do you see the same speed asymmetry when
using scp?