perfSONAR User Q&A and Other Discussion

[Brian Tierney <>]

Try adding the "-E" flag.

From bwping -h output:

"-E|--no_endpoint                 Allow tests to occur when the
receiver isn't running bwctl (Default: False)"


On Mon, Apr 21, 2014 at 8:57 PM, Md. Amjad Hossain 
<>
 wrote:
> I am using bwping command as follow:
> [root@kahuku
>  ~]# bwping -s 198.129.254.58 -c 128.125.88.69
> bwping: Using tool: ping
> bwping: 29 seconds until test results available
>
> SENDER START
> bwctl: start_endpoint: 3607124799.332979
> bwctl: run_endpoint: receiver: 128.125.88.69
> bwctl: run_endpoint: sender: 198.129.254.58
> bwctl: exec_line: ping -c 10 -i 1.000000 -W 1 -I 198.129.254.58
> 128.125.88.69
> bwctl: run_tool: tester: ping
> bwctl: run_tool: receiver: 128.125.88.69
> bwctl: run_tool: sender: 198.129.254.58
> bwctl: start_tool: 3607124814.473718
> PING 128.125.88.69 (128.125.88.69) from 198.129.254.58 : 56(84) bytes of
> data.
> 64 bytes from 128.125.88.69: icmp_seq=1 ttl=60 time=8.29 ms
> 64 bytes from 128.125.88.69: icmp_seq=2 ttl=60 time=8.23 ms
> 64 bytes from 128.125.88.69: icmp_seq=3 ttl=60 time=8.28 ms
> 64 bytes from 128.125.88.69: icmp_seq=4 ttl=60 time=8.23 ms
> 64 bytes from 128.125.88.69: icmp_seq=5 ttl=60 time=8.24 ms
> 64 bytes from 128.125.88.69: icmp_seq=6 ttl=60 time=8.27 ms
> 64 bytes from 128.125.88.69: icmp_seq=7 ttl=60 time=8.23 ms
> 64 bytes from 128.125.88.69: icmp_seq=8 ttl=60 time=8.22 ms
> 64 bytes from 128.125.88.69: icmp_seq=9 ttl=60 time=8.23 ms
> 64 bytes from 128.125.88.69: icmp_seq=10 ttl=60 time=8.24 ms
>
> --- 128.125.88.69 ping statistics ---
> 10 packets transmitted, 10 received, 0% packet loss, time 9020ms
> rtt min/avg/max/mdev = 8.220/8.251/8.295/0.102 ms
> bwctl: stop_tool: 3607124823.495001
> bwctl: stop_endpoint: 3607124823.495136
>
> SENDER END
>
> /////////////////////////////////////////// ok so
> far///////////////////////////////////////////////////////////
>
> Now if I change the receive host in the above command with another IP where
> no bwctl running, get error:
>
> [root@kahuku
>  ~]# bwping -s 198.129.254.58 -c 180.211.191.42
> bwping: Unable to connect to 180.211.191.42
>
>
> Regards
> Amjad
>
>
>
>
>
> On Mon, Apr 21, 2014 at 11:48 PM, Brian Tierney 
> <>
>  wrote:
>>
>> Can you send the exact command you are using?
>>
>>
>>
>> On Mon, Apr 21, 2014 at 8:20 PM, Md. Amjad Hossain 
>> <>
>> wrote:
>> > But I am getting error if one of the hosts does have bwctl installed.
>> > Its
>> > says can't connect to "  receive machine ".
>> >
>> >
>> > On Mon, Apr 21, 2014 at 10:42 PM, Brian Tierney 
>> > <>
>> > wrote:
>> >>
>> >> You need bwctl installed on the sending side.
>> >>
>> >>
>> >> On Mon, Apr 21, 2014 at 7:08 PM, Md. Amjad Hossain 
>> >> <>
>> >> wrote:
>> >> > Hi,
>> >> >
>> >> > Does bwping work between any two arbitrary machines with public IPs?
>> >> > or
>> >> > The
>> >> > hosts must have perfsonar running?
>> >> >
>> >> > I can't remember whether I was successful that time to ping between
>> >> > non-perfsonar machines. Now Its not working. Only I can ping between
>> >> > two
>> >> > remote machine where is perfsonar running.
>> >> >
>> >> > Regards
>> >> > Amjad
>> >> >
>> >> >
>> >> > On Sun, Mar 16, 2014 at 9:41 PM, Brian Tierney 
>> >> > <>
>> >> > wrote:
>> >> >>
>> >> >> Not currently, but in the next release there will be (hopefully in
>> >> >> May).
>> >> >>
>> >> >>
>> >> >> On Sun, Mar 16, 2014 at 4:13 PM, Md. Amjad Hossain
>> >> >> <>
>> >> >> wrote:
>> >> >> > Thank you very much.
>> >> >> >
>> >> >> > Is there any way to schedule these tests in perfsonar?
>> >> >> >
>> >> >> > -Amjad
>> >> >> >
>> >> >> >
>> >> >> > On Sun, Mar 16, 2014 at 12:55 PM, Brian Tierney 
>> >> >> > <>
>> >> >> > wrote:
>> >> >> >>
>> >> >> >> The newest version of bwctl includes the tool bwping which
>> >> >> >> supports
>> >> >> >> this.
>> >> >> >>
>> >> >> >> See:
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >> http://fasterdata.es.net/performance-testing/network-troubleshooting-tools/bwctl/
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >> On Fri, Mar 14, 2014 at 8:23 PM,  
>> >> >> >> <>
>> >> >> >>  wrote:
>> >> >> >> > Hi,
>> >> >> >> >
>> >> >> >> > Is there any way in perfsonar to run ping between two remote
>> >> >> >> > hosts? I
>> >> >> >> > mean How
>> >> >> >> > can I run ping or traceroute command/or perfsonar test from
>> >> >> >> > point
>> >> >> >> > C
>> >> >> >> > between
>> >> >> >> > point A and B. Perfsonar running in point C.
>> >> >> >> >
>> >> >> >> > Thanks
>> >> >> >>
>> >> >> >>
>> >> >> >>
>> >> >> >> --
>> >> >> >> Brian Tierney, http://www.es.net/tierney
>> >> >> >>
>> >> >> >> Energy Sciences Network (ESnet), Berkeley National Lab
>> >> >> >>
>> >> >> >> http://fasterdata.es.net
>> >> >> >
>> >> >> >
>> >> >>
>> >> >>
>> >> >>
>> >> >> --
>> >> >> Brian Tierney, http://www.es.net/tierney
>> >> >>
>> >> >> Energy Sciences Network (ESnet), Berkeley National Lab
>> >> >>
>> >> >> http://fasterdata.es.net
>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Brian Tierney, http://www.es.net/tierney
>> >>
>> >> Energy Sciences Network (ESnet), Berkeley National Lab
>> >>
>> >> http://fasterdata.es.net
>> >
>> >
>>
>>
>>
>> --
>> Brian Tierney, http://www.es.net/tierney
>>
>> Energy Sciences Network (ESnet), Berkeley National Lab
>>
>> http://fasterdata.es.net
>
>



-- 
Brian Tierney, http://www.es.net/tierney

Energy Sciences Network (ESnet), Berkeley National Lab

http://fasterdata.es.net