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http://www-wanmon.slac.stanford.edu/cgi-wrap/reflector.cgi?region=North%20America&target=134.79.16.9&tier=all&type=PlanetLab&file=enabled

Leaving out the region will assume all regions, leaving out the tier will assume all tiers, leaving out the type will assume both PlanetLabs and SLAC type landmarks. If the region is included then only landmarks in that region will be used. If the tier is specified then only that tier's landmarks will be used. If the type is specified then only that type landmark will be used.  Any or all of the  tier, region and type region may be specified as "all".

The file parameter enables the user to specify whether to use enabled landmarks (default) or disabled landmarks (by specifying file=disabled).  The enabled landmarks are found in

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http://www.slac.stanford.edu/comp/net/wan-mon/tulip/sites.xml

The disabled landmarks are found in:

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http://www.slac.stanford.edu/comp/net/wan-mon/tulip/sites-disabled.xml

There is also a debug parameter. Use debug=1 or There is also a debug parameter. Use debug=1 or greater if you want debugging output.

The function parameter, enables one to specify to ping (function=ping, default), to print out usage information(function=help), to print out the log file (function=log), and to analyze the log file (funjction=analyze).

The script uses asynchronous I/O to talk simultaneously with up to 20 landmarks. Up to 5 copies of reflector.cgi can be running simultaneously.

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