perfSONAR User Q&A and Other Discussion

["Roderick Mooi" <>]

Hey Aaron

Ok. This is the output:

[rmooi@perfsonar3
 ~]$ bwping -T owamp -c perfsonar1.sanren.ac.za -s
perfsonar2.sanren.ac.za -x
bwping: Using tool: owamp
bwping: 19 seconds until test results available

RECEIVER START
owampd[57747]: WARNING: No limits specified.
owampd[57748]: Connection to ([155.232.40.2]:5779) from
([155.232.40.26]:57128)
owampd[57748]: ControlSession([155.232.40.2]:5779) accepted from
userid(nil):([155.232.40.26]:57128)
owampd[57747]: ResReq ALLOWED: default:request:bandwidth = 336 (result
= 0, limit = 0)
owampd[57747]: ResReq ALLOWED: default:request:disk = 450 (result = 0,
limit = 0)
owampd[57747]: owampd: exiting...
owampd[57748]: OWPDQuery: Unable to contact parent
owampd[57748]: OWPDQuery: Unable to contact parent
owampd[57747]: owampd: exited.

bwctl: local tool did not complete in allocated time frame and was
killed

RECEIVER END

SENDER START
owping: FILE=protocol.c, LINE=2703, _OWPReadFetchAck: Unable to read
from socket.
owping: FILE=owping.c, LINE=1833, Unable to fetch data for
sid(9be82802d76528d6e7949635444eae92)
Approximately 13.2 seconds until results available

bwctl: local tool did not complete in allocated time frame and was
killed

SENDER END

and the other way (swopping server and client)...

[rmooi@perfsonar3
 ~]$ bwping -T owamp -s perfsonar1.sanren.ac.za -c
perfsonar2.sanren.ac.za -x
bwping: Using tool: owamp
bwping: 30 seconds until test results available

RECEIVER START
owampd[8290]: WARNING: No limits specified.
owampd[8291]: Connection to ([155.232.40.26]:5782) from
([155.232.40.2]:56968)
owampd[8291]: ControlSession([155.232.40.26]:5782) accepted from
userid(nil):([155.232.40.2]:56968)
owampd[8290]: ResReq ALLOWED: default:request:bandwidth = 336 (result =
0, limit = 0)
owampd[8290]: ResReq ALLOWED: default:request:disk = 450 (result = 0,
limit = 0)
owampd[8290]: ResReq ALLOWED: default:release:disk = 16 (result = 0,
limit = 0)
owampd[8290]: ResReq ALLOWED: default:release:bandwidth = 336 (result =
0, limit = 0)
owampd[8290]: owampd: exiting...
owampd[8290]: owampd: exited.

RECEIVER END

SENDER START
Approximately 13.2 seconds until results available

--- owping statistics from [155.232.40.2]:8922 to [155.232.40.26]:40790
---
SID:    9be8281ad7652910d58f5254e8b94eea
first:  2014-07-07T16:11:30.680
last:   2014-07-07T16:11:37.000
10 sent, 10 lost (100.000%), 0 duplicates
one-way delay min/median/max = nan/nan/nan ms, (err=0.127 ms)
one-way jitter = nan ms (P95-P50)
TTL not reported
no reordering


SENDER END


Thanks,

Roderick

>>> On 2014-07-07 at 15:46, Aaron Brown 
>>> <>
>>>  wrote:
> Hey Roderick,
> 
> Could you try running bwping with ‘-x’ so that it grabs the
server side of 
> the test as well?
> 
> Cheers,
> Aaron
> 
> On Jul 4, 2014, at 5:02 AM, Roderick Mooi 
> <>
>  wrote:
> 
>> Hi Aaron
>> 
>> I added these lines to /etc/sysconfig/iptables and restarted the
>> iptables service on perfsonar1 and perfsonar2:
>> 
>> # bwping OWAMP Control (Incoming)
>> -A INPUT -m state --state NEW,ESTABLISHED -m tcp -p tcp --dport
>> 4000:4100 -j ACCEPT
>> 
>> # bwping OWAMP Test (Incoming)
>> -A INPUT -m udp -p udp --dport 4000:4100 -j ACCEPT
>> 
>> Now it connects (control session seems to be working) and starts but
I
>> get blank results / errors.
>> 
>> 10 sent, 10 lost (100.000%), 0 duplicates
>> one-way delay min/median/max = nan/nan/nan ms, (err=0.228 ms)
>> 
>> OR
>> 
>> owping: FILE=protocol.c, LINE=2419, _OWPReadStopSessions: Unable to
>> read final H                                                        
   
>>                                                MAC block
>> owping: FILE=protocol.c, LINE=2453, _OWPReadStopSessions: Failed
>> owping: FILE=owping.c, LINE=1772, Test session(s) Failed...
>> 
>> I tried updating the owamp ports to bwctld.conf by adding owamp_port
  
>>  5601-5900
>> and restarting bwctld and adding those ports to IP tables.
>> 
>> # bwping OWAMP Control (Incoming)
>> -A INPUT -m state --state NEW,ESTABLISHED -m tcp -p tcp --dport
>> 4000:4100 -j ACCEPT
>> -A INPUT -m state --state NEW,ESTABLISHED -m tcp -p tcp --dport
>> 5601:5900 -j ACCEPT
>> 
>> # bwping OWAMP Test (Incoming)
>> -A INPUT -m udp -p udp --dport 5601:5900 -j ACCEPT
>> -A INPUT -m udp -p udp --dport 4000:4100 -j ACCEPT
>> 
>> Now I get either blank results
>> 
>> 10 sent, 10 lost (100.000%), 0 duplicates
>> one-way delay min/median/max = nan/nan/nan ms, (err=0.228 ms)
>> one-way jitter = nan ms (P95-P50)
>> 
>> OR
>> 
>> owping: FILE=protocol.c, LINE=2703, _OWPReadFetchAck: Unable to
read
>> from socket.
>> owping: FILE=owping.c, LINE=1833, Unable to fetch data for
>> sid(9be8281ad760e959ff6d2f472aebc34e)
>> 
>> I suspect the test ports aren't open but which ports are those?
>> 
>> Thanks!
>> 
>> Regards,
>> 
>> Roderick
>> 
>>>>> On 2014-07-03 at 16:14, Aaron Brown 
>>>>> <>
>>>>>  wrote:
>>> Hey Roderick,
>>> 
>>> bwctl doesn’t reuse the owampd daemon (due to specifics of the
>> owamp and 
>>> bwctl protocols) so the owampd port range isn’t applicable. The
>> ‘owamp test’ 
>>> port range defaults to 4000-4100 if it’s unset. Is that port
range
>> open in the 
>>> firewall on your host?
>>> 
>>> Cheers,
>>> Aaron
>>> 
>>> On Jul 3, 2014, at 9:41 AM, Roderick Mooi 
>>> <>
wrote:
>>> 
>>>> Hi Aaron
>>>> 
>>>> [rmooi@perfsonar3
>>>>  ~]$ bwping -T owamp -s perfsonar1.sanren.ac.za
-c
>>>> perfsonar2.sanren.ac.za
>>>> bwping: Using tool: owamp
>>>> bwping: 18 seconds until test results available
>>>> 
>>>> SENDER START
>>>> owping: FILE=owping.c, LINE=1598, Unable to open control
connection
>> to
>>>> [155.232.40.26]:4003.
>>>> bwctl: local tool exited before expected with status=1
>>>> 
>>>> SENDER END
>>>> 
>>>> bwctl, bwping (ping) work fine. owampd and bwctld are running on
>> both
>>>> perfsonar1 and perfsonar2.
>>>> 
>>>> What do I have to do to get bwping -T owamp working?
>>>> 
>>>> Thanks!
>>>> 
>>>> Regards,
>>>> 
>>>> Roderick 
>>>> 
>>>>>>> On 2014-02-18 at 20:11, Aaron Brown 
>>>>>>> <>
wrote:
>>>>> Hi all,
>>>>> 
>>>>> A new version of BWCTL is now available. BWCTL 1.5.1 is a major
>>>> upgrade over 
>>>>> the previously released version.
>>>>> 
>>>>> Notable additions in this release:
>>>>> - Support for ping and owping (Run 'bwping -h' to see the
>> available
>>>> options)
>>>>> - Support for traceroute and tracepath (Run 'bwtraceroute -h' to
>> see
>>>> the 
>>>>> available options)
>>>>> - Support for iperf3, and improved support for nuttcp
>>>>> - Support for working behind a firewall for iperf3, ping,
>> traceroute
>>>> and 
>>>>> tracepath (use the "--flip" flag when the receiver is behind the
>>>> firewall)
>>>>> - Handles NTP unsync a bit better (the daemon start, but will
deny
>>>> tests 
>>>>> until NTP is synchronized)
>>>>> 
>>>>> Those who are using the perfSONAR Toolkit, or otherwise have the
>>>> Internet2 
>>>>> RPM repository enabled, can run 'yum update' to get the latest
>>>> changes. For 
>>>>> those who are installing from source or prefer to install the
RPMs
>>>> manually, 
>>>>> the newest version can be downloaded from
>>>> http://software.internet2.edu/ . 
>>>>> After installation, you will need to restart bwctld to use the
new
>>>> features. 
>>>>> You can do this by running “/etc/init.d/bwctld restart”.
>>>>> 
>>>>> Please let us know if you have any questions and we look forward
to
>> 
>>>>> everyone's continued feedback and support!
>>>>> 
>>>>> Thank you,
>>>>> The perfSONAR-PS Development Team
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e-mail 
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-- 
This message is subject to the CSIR's copyright terms and conditions, e-mail 
legal notice, and implemented Open Document Format (ODF) standard. 
The full disclaimer details can be found at 
http://www.csir.co.za/disclaimer.html.

This message has been scanned for viruses and dangerous content by 
MailScanner, 
and is believed to be clean.

Please consider the environment before printing this email.