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Date:      Mon, 15 Jun 1998 21:24:14 -0700 (PDT)
From:      Doug White <dwhite@gdi.uoregon.edu>
To:        Ekke Loo <ekke@computer-solutions.ab.ca>
Cc:        FreeBsd Questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: your mail
Message-ID:  <Pine.BSF.3.96.980615212256.2150T-100000@gdi.uoregon.edu>
In-Reply-To: <001f01bd9675$b00e2920$0201a8c0@home.computersolutions.ab.ca>

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On Fri, 12 Jun 1998, Ekke Loo wrote:

> I installed trafshow and recieve:
> 
> trafshow: /dev/bpf0: Device not configured
> 
> could someone enlighten me as to what /dev/bpf0 is and how to configure this
> device...

bpf is the Berkeley Packet Filter, which allows direct access to the
network through a special interface.  You need to build a new kernel with

pseudo-device 	bpfilter	4

to activate it, then run

/dev/MAKEDEV bpf0
/dev/MAKEDEV bpf1
/dev/MAKEDEV bpf2
/dev/MAKEDEV bpf3

to create the device nodes.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major
NOTICE:  Make sure your mailer replies to dwhite@resnet or I won't get it! 


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