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Newsgroups: comp.os.386bsd.questions Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!munnari.oz.au!constellation!paladin.american.edu!zombie.ncsc.mil!news.duke.edu!solaris.cc.vt.edu!news.alpha.net!uwm.edu!vixen.cso.uiuc.edu!howland.reston.ans.net!Germany.EU.net!ruhr.de!robkaos!robsch From: robsch@robkaos.ruhr.de (Robert Schien) Subject: Re: Help: tcpdump X-Newsreader: TIN [version 1.2 PL2] Organization: Private System, Essen, Germany Message-ID: <1995Jan31.101249.734@robkaos.ruhr.de> References: <3gj6g4$cbl@ucthpx.uct.ac.za> Date: Tue, 31 Jan 1995 10:12:49 GMT Lines: 20 Leon Alexander (leon@la.ee.uct.ac.za) wrote: : Hi : I would like to run a command "tcpdump" which (if I understood the : man pages) will enable me to tell which packets came thru' the : router while pretending to be from a machine on the local segment. : The PROBLEM : I get an error message : tcpdump: /dev/bpf0: Device not configured : BTW I'm using FreeBSD 1.1.5.1 : Running "MAKEDEV bpf0" does not solve the problem. I cannot run : "mknod" because I don't know all the arguments. : How does one configure the device "/dev/bpf0" ? You have to build a new kernel with a specific option I have forgotten at the moment :-) Robert