...
For the Planetlab landmarks an interpretive script (also see here for the original is supplied with the target ($target) and the number of pings ($ping) to make. For the SLAC ping servers and the Looking glass sites the landmark is accessed by a URL provided in the sites.txt file (see below) in the PingSites token (e.g. http://www.slac.stanford.edu/cgi-wrap/nph-traceroute.pl?choice=yes&function=trace&target=$target).
It can also be called from the command line, e.g.
>setenv REMOTE_ADDR 134.79.18.134; perl -d -T bin/reflector.cgi "region=northamerica&target=134.79.16.9&tier=0&type=slac"
However unless you have a PlanetLab cookie for your host it will not fully work
Files
The list of SLAC and Looking Glass landmarks is read from /afs/slac/www/comp/net/wan-mon/tulip>ne sites.txt. the format is space separated tokens:
...
Simultaneous landmarks | Parallel requests / landmark | Request timeout | Duration (secs) |
|---|---|---|---|
20 | 5 | 2 | 50 |
20 | 5 | 10 | 60 |
10 | 5 | 2 | 88 |
40 | 5 | 2 | 34 |
20 | 10 | 2 | 50 |
Testing
20 | 10 | 2 | 50 |
Testing
It can be tested from a web browser by entering the URL (e.g. from a browser or from wget), e.g.
| Code Block |
|---|
http://www-wanmon.slac.stanford.edu/cgi-wrap/reflector.cgi?region=northamerica&target=134.79.16.9
|
It can also be called from the command line It can be tested from a web browser by entering the URL, e.g.
...
>setenv REMOTE_ADDR 134.79.18.134; perl -d -T bin/reflector.cgi
...
"region=northamerica&target=134.79.16.9
...
&tier=0&type=slac"
However unless you have a PlanetLab cookie for your host it will not fully work.
Sample Scripts
traceroute.pl: This script has been written with special security considerations so it will help in implementing reflector.cgi
...