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SC_TTLEXP(1)		     General Commands Manual		    SC_TTLEXP(1)

NAME
     sc_ttlexp	-- dump source addresses from ICMP TTL expired messages in warts
     files

SYNOPSIS
     sc_ttlexp [-O options] [file ...]

DESCRIPTION
     The sc_ttlexp utility provides a dump  of	source	IP  addresses  contained
     trace and tracelb records in warts(5) files.

     The options are as follows:

     -?      prints a list of command line options and a synopsis of each.

     -O option
	     allows  the behavior of sc_ttlexp to be further tailored.	The cur-
	     rent choices for this option are:
	       -  nodst: do not dump source address of a TTL expired message  if
		  it matches the destination address probed.
	       -  noreserved:  do  not dump source address of a TTL expired mes-
		  sage if the address is a reserved address.

EXAMPLES
     Given two warts(5) files named file1.warts and file2.warts,  the  following
     dumps all source addresses that sent TTL expired messages:

	   sc_ttlexp file1.warts file2.warts

     Given  a  compressed  warts file named file3.warts.bz2, the following dumps
     all source addresses that sent TTL expired messages,  skipping  those  that
     were only observed in TTL expired messages from the destination probed:

	   bzcat file3.warts.bz2 | sc_ttlexp -O nodst

SEE ALSO
     scamper(1), sc_wartsdump(1), sc_warts2json(1),

     M. Luckie, Scamper: a Scalable and Extensible Packet Prober for Active Mea-
     surement of the Internet, Proc. ACM/SIGCOMM Internet Measurement Conference
     2010.

AUTHOR
     sc_ttlexp was written by Matthew Luckie <mjl@luckie.org.nz>.

FreeBSD ports 15.quarterly	  March 8, 2018 		    SC_TTLEXP(1)

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