Not a VS3100, but I run NetBSD 1.6.1 netbooted on a 4000/300.
I use the 1.5.3 boot.mopformat with 1.6.1 kernel, works fine.

There is some more info on it in the mail list archives for 2003/02.

Regards,
Tim

>
> Is anyone successfully netbooting 1.6 on a VS3100/30 via mopd?
>
> What boot.mopformat file are you using?  Can I have a copy please?
>
> I can boot a 1.5.3 kernel with the 1.5.3 version of boot.mopformat, but I
> would like to boot 1.6 (eventually 1.6.1). The 1.5.3 version says:
>
> Boot failed: Inappropriate file type or format
>
> I've tried the lastest NetBSD-1.6.1/vax/installation/netboot/boot file but
> this causes the mopd server to go into some sort of loop opening (and not
> closing) files, filling up the kernel file table! mopd runs on a FreeBSD
> 4.8-RELEASE box and has to be killed in order to get the system back.
>
> Maybe I have to hack mopd to see what its problem is?
>
> TIA.
>
> --
>
>  :{ andyf@speednet.com.au
>
>         Andy Farkas
>     System Administrator
>    Speednet Communications
>  http://www.speednet.com.au/
>
>
>