Date: Thu, 16 Nov 2000 03:19:08 -0500 From: "Batra, Lalit M" <batralm@jmu.edu> To: questions@freebsd.org, unix -jmu <geek@ruff.cs.jmu.edu> Subject: tcpdump: bad file format Message-ID: <EXECMAIL.1001116031908.A@artvandelay.jmu.edu>
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HI! I am doing some network experimenst(FREEBSD), Using Tcpdump.I cannot convert the tcpdump "output.dmp" into binary form so thatt i can use Tcptrace and then xplot to see the packets. Following are the steps which i am doing:- 1) tcpdump -i xl1 host 192.168.20.2 > output.dmp 2) tcpdump -r output.dmp ERROR: bad dump file format.???? I have also tried -w option , same error. :-> 192.168.20.2 is the host address in my network. When i Do ctrl-c , it shows me how many packets captured and droped by kernel. ANy hints.I really need this urgently? -- Batra, Lalit M batralm@jmu.edu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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