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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!bunyip.cc.uq.oz.au!munnari.oz.au!quagga.ru.ac.za!ucthpx!la!leon From: leon@la.ee.uct.ac.za (Leon Alexander) Newsgroups: comp.os.386bsd.questions Subject: Help: tcpdump Date: 30 Jan 1995 17:09:24 GMT Organization: University of Cape Town Lines: 25 Message-ID: <3gj6g4$cbl@ucthpx.uct.ac.za> NNTP-Posting-Host: la.ee.uct.ac.za X-Newsreader: TIN [version 1.2 PL2] 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" ? Thanks Leon -- Leon Alexander Electrical Engineering Department University of Cape Town Email : leon@dip1.ee.uct.ac.za