Quoting Berndt Josef Wulf,

> Hmm, tried using the -noresvport in /etc/exports of the netbsd/alpha
> only to get prompted "bad option noresvport". Interestingly the man
> pages talks about this option (including -noresvmnt). The netbsd-alpha
> nolonger is NetBSD-current as it is a couple of month old by now...

Your mountd must be out of date then, on the server. Try completely
recompiling & installing it.

> I don't understand the -P option. None of the commands I've entered
> have this option.

Sorry, I wasn't clear enough there: I meant to the mount_nfs command,
e.g. in the line you have in /etc/fstab

- Frank