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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.Hawaii.Edu!news.uoregon.edu!hunter.premier.net!news.nl.innet.net!INnl.net!news.be.innet.net!INbe.net!tank.news.pipex.net!pipex!nntp04.primenet.com!nntp.primenet.com!howland.erols.net!newsfeed.internetmci.com!in3.uu.net!EU.net!usenet2.news.uk.psi.net!uknet!usenet1.news.uk.psi.net!uknet!dispatch.news.demon.net!demon!awfulhak.demon.co.uk!awfulhak.demon.co.uk!awfulhak.demon.co.uk!not-for-mail From: brian@awfulhak.demon.co.uk (Brian Somers) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: tcpdump Date: 27 Aug 1996 17:23:33 +0100 Organization: Coverform Ltd. Lines: 23 Distribution: world Message-ID: <4vv7e5$m1@anorak.coverform.lan> References: <4vpifm$9jo@nuscc.nus.sg> <4vrir5$io0@uriah.heep.sax.de> <4vsncn$4ok@usenet.srv.cis.pitt.edu> NNTP-Posting-Host: localhost.coverform.lan X-NNTP-Posting-Host: awfulhak.demon.co.uk X-Newsreader: TIN [version 1.2 PL2] Carl Joel Kuzmich (cjk@omedsrvb.omed.pitt.edu) wrote: : In article <4vrir5$io0@uriah.heep.sax.de>, j@uriah.heep.sax.de (J : Wunsch) writes: : |>csclailf@leonis.nus.sg (Lai L F) wrote: [.....] : |>> tcpdump: /dev/bpf0: Device not configured : |>> : |>> How do I configure this device?? : |> : |>pseudo-device bpfilter 4 [.....] : Why "4" and not "8" or some other value??? [.....] You normally don't need more than 2 of these - for debugging net traffic anyway. How many interfaces have you got ? If you've got say a LAN and a ppp/tun modem, you'd only ever need 2. If you've got 5 LAN cards a loopback a serial and a paralell "network" device, you may need 8 - depends ! -- Brian <brian@awfulhak.demon.co.uk> Don't _EVER_ lose your sense of humour....