[OpenAFS] Heavy performance loss on gigabit ethernet

[Systems Administration]

> Derrick suggested using the -nojumbo option on the fileservers and I'm 
> check on Head Of Line blocking to see if that might also help since 
> the logs show some complaints from the clients about 'out of order' 
> packets.

Added -nojumbo to the fileserver, it didnt fix the client side hangup.

Also just saw Enrico's note that the -nojumbo did not eliminate jumbo 
frames in his test - I'll look for them on my links as well.