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Date: Tue, 11 Feb 1997 14:18:36 -0800 (PST)
From: Doug White <dwhite@gdi.uoregon.edu>
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To: "Jay D. Nelson" <jdn@qiv.com>
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Subject: Re: Need pointer to docs.
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On Tue, 11 Feb 1997, Jay D. Nelson wrote:

> Thanks. I couldn't find pfconfig on mine either. (2.1.5) How, then, do I
> configure /dev/bpf0 for use with tcpdump? tcpdump complains about 'device
> not configured /dev/bpf0'? Or does tcpdump automatically make the bpf(4)
> calls if the interface supports promiscuous mode?

You need to add

pseudo-device bpfilter 4

to your kernel config & recompile.  If you need more than 4 filters you
can increase the number.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major