pf killing NFS

[Pete French]

> As Luke already pointed out, "no-df" on the scrub rule should help.  As=20
> for the "bad cksum!" - this is a symptom of checksumming done in=20
> hardware.  ifconfig bge1 -rxcsum -txcsum should get rid of them.

I am a bit concerned by this - we use a lot of bge interfaces, and I have
hardware checksumming enabled on all of them. Are they known to produce
bad checksums ?

-pete.