perfSONAR User Q&A and Other Discussion

[jim warner <>]

Sure:

[warner@Knoppix
 ~]$ bwctl -t 20 -s bwctl.losa.net.internet2.edu
bwctl: Using tool: iperf
bwctl: 26 seconds until test results available

RECEIVER START
bwctl: exec_line: /usr/local/bin/iperf -B 128.114.0.205 -s -f b -m -p 
5007 -t 20
bwctl: start_tool: 3472049009.050049
------------------------------------------------------------
Server listening on TCP port 5007
Binding to local address 128.114.0.205
TCP window size: 87380 Byte (default)
------------------------------------------------------------
[ 14] local 128.114.0.205 port 5007 connected with 64.57.17.135 port 5007
[ 14]  0.0-20.0 sec  2390056960 Bytes  953893693 bits/sec
[ 14] MSS size 8948 bytes (MTU 8988 bytes, unknown interface)
bwctl: stop_exec: 3472049033.500195

RECEIVER END
[warner@Knoppix
 ~]$ bwctl -t 20 -c bwctl.losa.net.internet2.edu
bwctl: Using tool: iperf
bwctl: 26 seconds until test results available

RECEIVER START
bwctl: exec_line: iperf -B 64.57.17.135 -s -f b -m -p 5001 -t 20
bwctl: start_tool: 3472049061.487173
------------------------------------------------------------
Server listening on TCP port 5001
Binding to local address 64.57.17.135
TCP window size: 87380 Byte (default)
------------------------------------------------------------
[ 14] local 64.57.17.135 port 5001 connected with 128.114.0.205 port 5001
[ 14]  0.0-20.1 sec  2477359104 Bytes  985074567 bits/sec
[ 14] MSS size 8948 bytes (MTU 8988 bytes, unknown interface)
bwctl: stop_exec: 3472049086.075107

RECEIVER END


Jason Zurawski wrote:
> Could you please send the results from your two tests?  
>
> Thanks;
>
> -jason
>
> ------Original Message------
> From: jim warner
> To: Jason Zurawski
> Cc: 
>
> Cc: Performance Node Users
> Subject: Re: [perfsonar-user] Duplicate entries
> Sent: Jan 8, 2010 7:42 PM
>
> 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
>
>
>
>