SC_WARTSDUMP(1) BSD General Commands Manual SC_WARTSDUMP(1)NAME
sc_wartsdump -- verbose dump of information contained in a warts file.
sc_wartsdump [file ...]
The sc_wartsdump provides a verbose dump of information contained in a sequence of warts files. While the output is structured and suitable
for initial analyses of results, the format of the output is not suitable for automated parsing and analysis as the output of sc_wartsdump
will change overtime with no regard to backwards compatibility. Analyses of the contents of a warts file should be made using specialised
programs which link against the scamper file API.
sc_wartsdump file1.warts file2.warts
will decode and print the contents of file1.warts, followed by the contents of file2.warts.
gzcat file1.warts.gz | sc_wartsdump
will print the contents of the uncompressed file supplied on stdin.
SEE ALSO scamper(1), sc_warts2text(1)AUTHORS
sc_wartsdump is written by Matthew Luckie <email@example.com>.
BSD October 15, 2010 BSD
Check Out this Related Man Page
SC_TRACEDIFF(1) BSD General Commands Manual SC_TRACEDIFF(1)NAME
sc_tracediff -- display traceroute paths where the path has changed.
sc_tracediff [-a] [-m method] [-n] file1.warts file2.warts
The sc_tracediff utility displays pairs of traceroutes to a destination where the path has changed. It takes two warts files as input and
displays paths where a hop differs by its address. The options are as follows:
-a dump all traceroute pairs regardless of whether they have changed.
specifies the method used to match pairs of traceroutes together. If dst is specified, traceroutes are matched if the destination IP
address of both traces are the same. If userid is specified, traceroutes are matched if the userid field of both traces are the
same. If dstuserid is specified, traceroutes are matched if the destination IP address and userid fields are the same. By default,
the destination IP address is used.
-n names should be reported instead of IP addresses, where possible.
sc_tracediff can be useful in network monitoring to identify when a forward IP path has changed. In this scenario, it is recommended that
Paris traceroute is used with the same UDP source and destination ports for each execution of scamper so that only paths that have changed
are identified, not merely alternate paths visible due to per-flow load-balancing. By default scamper uses a source port based on the
process ID, which will change with each execution of scamper.
scamper -O warts -o file1.warts -c 'trace -P udp-paris -s 31337' -f list.txt
collects the forward IP paths towards a set of IP addresses found in list.txt using 31337 as the UDP source port value. If the above command
is adjusted to subsequently collect file2.warts, then we can identify paths that have subsequently changed with the command:
sc_tracediff file1.warts file2.warts
If Paris traceroute with ICMP probes is preferred, then the following invocation of scamper is appropriate:
scamper -O warts -o file1.warts -c 'trace -P icmp-paris -d 31337' -f list.txt
In this case, scamper uses 31337 as the ICMP checksum value in each probe.
SEE ALSO scamper(1),
B. Augustin, X. Cuvellier, B. Orgogozo, F. Viger, T. Friedman, M. Latapy, C. Magnien, and R. Teixeira, Avoiding traceroute anomalies with
Paris traceroute, Proc. ACM/SIGCOMM Internet Measurement Conference 2006.
sc_tracediff is written by Matthew Luckie <firstname.lastname@example.org>.
BSD April 21, 2011 BSD
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