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There are two scripts. They both require sudo privileges to run (e.g. sudo ping-vs-tcp.pl) and have an option --prot <4|6> for IPv4 vs IPv6. Help is available via the --help option. The output in both cases goes to STDOUT, e.g. sudo ping-vs-tcp.pl --prot 4 | tee pg-v4-sl.txt (if you are using ping-vs-tcp-ps then change pg to pgto ps, for Chinese MA change sl changesl to ch, for Unimas MA change to my, Thailand change to th). IPv4 measurements in both cases take about 7 hours. You can obtain a copy of each of the scripts from cottrell@slac.stanford.edu

1. ping-vs-tcp-ps.pl. This requires you to provide a configuration file (e.g. ping-vs-tcp-ps.pl –conf sq-v4-lc.cf | tee ps-v4-ch.txt for Chinese MA.
   1. The configuration files are available at:
      1. http://www.slac.stanford.edu/comp/net/mon/tool/ps-v4-lc.cf
      2. http://www.slac.stanford.edu/comp/net/mon/tool/ps-v6-sq.cf
   2. You can obtain a copy of the script from
2. ping-vs-tcp.pl. This gets its configuration by using wget to get the SLAC PingER database of hosts, so there is no configuration option (–conf). To run use for example use sudo ping-vs-tcp.pl --prot 4 | tee pg-v4-sl.txt.

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