Query: sc_ally
OS: debian
Section: 1
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
SC_ALLY(1) BSD General Commands Manual SC_ALLY(1)NAMEsc_ally -- scamper driver to run Ally on a list of candidate aliases.SYNOPSISsc_ally [-?D] [-i infile] [-o outfile] [-p port] [-U unix-socket] [-w waittime] [-q attempts] [-t logfile]DESCRIPTIONThe sc_ally utility provides the ability to connect to a running scamper(1) instance and have a set of IPv4 address-pairs testsed for aliases using the Ally technique. For each address pair in the file, sc_ally establishes which probe methods (UDP, TCP-ack, ICMP-echo) solicit an incrementing IP-ID value, and then uses the Ally technique on pairs where a probe method is able to obtain an incrementing IP-ID for both addresses. The output is written to a warts file. The options are as follows: -? prints a list of command line options and a synopsis of each. -D causes sc_ally to detach and become a daemon. -i infile specifies the name of the input file which consists of a sequence of IPv4 address-pairs, one pair per line. -o outfile specifies the name of the output file to be written. The output file will use the warts format. -p port specifies the port on the local host where scamper(1) is accepting control socket connections. -U unix-socket specifies the name of a unix domain socket where scamper(1) is accepting control socket connections. -w waittime specifies the minimum length of time, in seconds, to wait between completing a measurement to a particular IP address and issuing the next. -q attempts specifies the number of times to try Ally when one of the addresses is unresponsive. -t logfile specifies the name of a file to log output from sc_ally generated at run time.EXAMPLEGiven a set of IPv4-address pairs in a file named infile.txt: 192.0.2.1 192.0.32.10 192.0.2.2 192.0.31.8 192.0.2.3 192.0.30.64 and a scamper(1) daemon listening on port 31337, then these address-pairs can be tested for aliases using sc_ally -i infile.txt -o outfile.warts -p 31337SEE ALSON. Spring, R. Mahajan, and D. Wetherall, Measuring ISP topologies with Rocketfuel, Proc. ACM SIGCOMM 2002. scamper(1), sc_wartsdump(1), sc_warts2text(1)AUTHORSsc_ally is written by Matthew Luckie <mjl@luckie.org.nz>.BSDMarch 1, 2011 BSD
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