Not to sidestep your question, but what type of VM does FBSD live in?
The reason I ask is the default network driver for < FBSD 7 is slow. If this applies to you, read here:
http://ivoras.sharanet.org/freebsd/vmware.html
If not, ignore this post.
(Note that it helps to give more info, such as FBSD version and VM type.)