On Tue, 10 Sep 2002, Joe Magee wrote:

> The scripts that create the ramdisk image do include the bpf0 through bpf7
> devices in the MAKEDEV file.

Did you look to see if the devices were actually existing and made
correctly (correct permissions and correct major and minor numbers)?

> I need to know if I should perform any other steps in the make scripts to
> create and use the bpf devices.

Does your kernel have something like the following?
pseudo-device   bpfilter        8       # Berkeley packet filter

   Jeremy C. Reed
   http://www.reedmedia.net/