> by uncommenting
>
>  options        GATEWAY         # packet forwarding
>
> in the GENERIC kernel configuration file, adding
>
>  options NMBCLUSTERS=16384
>
> to it, and building a new kernel, then creating /etc/ipf.conf which contains 
> just two lines:
>
>  pass in quick from any to any
>  pass out quick from any to any
>
> Would you suggest any other changes/additions to the kernel or system?  There

yes.

compile custom kernel that will take 1/6 size of generic having all 
functions you need :)