perfSONAR User Q&A and Other Discussion

[jim warner <>]

Jason Zurawski wrote:
> H
> > I also don't understand
> > why I'm seeing just one direction (green dots) even through it says 
> > "yes" in the
> > Bi-Directional column.
>
>
> The other direction is not succeeding.  There may be a firewall in the 
> way, there could be NTP issues on either end.  Try doing a manual 
> BWCTL test (e.g. bwctl -c HOSTNAME and bwctl -S HOSTNAME) from the 
> terminal to get a better idea of what the tool is reporting.
As an independent verification, I looked at the netflow for a 
green-dot-only situation:

0108.12:13:43.000 0108.12:14:03.032 11    64.57.17.135    5005  20    
128.114.0.205   5005  6   0  219494     1975396568
0108.12:13:43.000 0108.12:14:03.032 20    128.114.0.205   5005  11    
64.57.17.135    5005  6   0  109649     5743640  
0108.12:14:03.224 0108.12:14:05.016 11    64.57.17.135    50586 20    
128.114.0.205   60882 6   0  5          916      
0108.12:14:03.225 0108.12:14:05.017 20    128.114.0.205   60882 11    
64.57.17.135    50586 6   0  5          900      
0108.12:14:07.067 0108.12:14:27.227 20    128.114.0.205   5009  11    
64.57.17.135    5009  6   0  235680     2121081104
0108.12:14:27.163 0108.12:14:29.147 11    64.57.17.135    48944 20    
128.114.0.205   46043 6   0  5          884      
0108.12:14:27.098 0108.12:14:29.146 20    128.114.0.205   46043 11    
64.57.17.135    48944 6   0  5          932      
0108.12:14:07.129 0108.12:14:27.225 11    64.57.17.135    5009  20    
128.114.0.205   5009  6   0  118061     6184304  

The test is working in both directions, I think.  And when I run the 
test by hand as you suggest, I get results in both
directions.

-jim