*BSD News Article 12402


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Newsgroups: comp.unix.bsd
Path: sserve!manuel.anu.edu.au!munnari.oz.au!news.Hawaii.Edu!ames!network.ucsd.edu!usc!cs.utexas.edu!uunet!pipex!pavo.csi.cam.ac.uk!rwe11
From: rwe11@cl.cam.ac.uk (Richard Earnshaw)
Subject: Re: etherfind on Sony News-OS 4.1c
Message-ID: <1993Mar8.182228.16618@infodev.cam.ac.uk>
Sender: news@infodev.cam.ac.uk (USENET news)
Nntp-Posting-Host: viking.cl.cam.ac.uk
Organization: U of Cambridge Computer Lab, UK
References: <1nfgvs$guu@grasp1.univ-lyon1.fr>
Date: Mon, 8 Mar 1993 18:22:28 GMT
Lines: 27

In article <1nfgvs$guu@grasp1.univ-lyon1.fr>, Christophe.Wolfhugel@grasp.insa-lyon.fr (Christophe Wolfhugel) writes:
|> Sony has been kind enough to furnish "tcpdump" with its BSD News-OS.
|> But they have obviously not tested it:
|> 
|> hsc# tcpdump
|> /dev/bpf0: No such file or directory
|> 
|> The system comes from a standard Sony installation. Is there anything
|> particular I can do do have this device created and operationnal ?
|> 
|> The machine in a laptop in the 1200 series.
|> 
|> -- 
|> Christophe Wolfhugel    |    Email: Christophe.Wolfhugel@grasp.insa-lyon.fr
|> 
|> Sys admins: running out of disk space ?  Want to cut down on network traffic?
|>     Use GNU gzip to archive your files!

It is quite common for the "promiscuous" network device, which is needed by
programs such as tcpdump not to be created by default.  look in /dev/MAKEDEV
or whatever evquivalent you have and see if there is an appropriate target in
there.

Richard Earnshaw
--------------
University of Cambridge Computer Laboratory, New Museums Site, Pembroke Street
Cambridge, UK.  Tel: +44 223 334650		rwe11@cl.cam.ac.uk