perfSONAR User Q&A and Other Discussion

[Brian Tierney <>]

They must be configured to only allow tests from ESNet then. 

Maybe try running a test to your host? (Use -s instead of -c)


Sent from my Phone

> On Mar 12, 2015, at 10:18 AM, Brian McNally 
> <>
>  wrote:
> 
> Yea, I'm definitely coming from a .edu address. Trying without -b doesn't 
> change the behavior. I suppose I could contact some folks at ESNet.
> 
> --
> Brian McNally
> 
>> On 03/12/2015 09:53 AM, Brian Tierney wrote:
>> 
>> 
>> On Thu, Mar 12, 2015 at 9:40 AM, Brian McNally 
>> <
>> <mailto:>>
>>  wrote:
>> 
>>    Thanks for the response. For some reason my sessions are denied,
>>    which I think I mistook earlier for most sites not providing UDP
>>    test endpoints at all. For example:
>> 
>>    bwctl -c llnl-pt1.es.net <http://llnl-pt1.es.net> -u -b200m -T iperf3
>>    ...
>>    bwctl: SessionRequest: Denied by llnl-pt1.es.net
>>    <http://llnl-pt1.es.net>
>> 
>> 
>> 
>> are you coming from a uw.edu <http://uw.edu> address? That should work.
>> 
>> Maybe try without the -b option and see what happens.
>> 
>>    Even if the session was allowed, 200Mbps isn't much of a test for
>>    what I'm testing. I was hoping for 1-5Gbps, but that might be asking
>>    too much.
>> 
>> 
>> Yeah, thats too risky, as Dale pointed out. There might be a tight link
>> in the path that that would torpedo.
>> 
>>    --
>>    Brian McNally
>> 
>>    On 03/11/2015 05:04 PM, Brian Tierney wrote:
>> 
>> 
>>        Forgot to include list of servers.
>> 
>>        See: http://stats.es.net/__ServicesDirectory/#search=es.__net
>>        <http://stats.es.net/ServicesDirectory/#search=es.net>
>> 
>>        On Wed, Mar 11, 2015 at 5:01 PM, Brian Tierney 
>> <
>>        
>> <mailto:>
>>        
>> <mailto:
>>  
>> <mailto:>>>
>>  wrote:
>> 
>> 
>>             You can run UDP tests at speeds up to 200Mbps to the ESnet
>>        test hosts.
>> 
>>             List of hosts are here:
>> 
>>             Sample command:
>> 
>>             bwctl -c llnl-pt1.es.net <http://llnl-pt1.es.net>
>>        <http://llnl-pt1.es.net> -u -b200m -T iperf3
>> 
>>             bwctl: Using tool: iperf3
>> 
>>             bwctl: 41 seconds until test results available
>> 
>> 
>>             SENDER START
>> 
>>             Connecting to host 198.129.254.106, port 5639
>> 
>>             [ 12] local 198.129.249.37 port 49692 connected to
>>        198.129.254.106
>>             port 5639
>> 
>>             [ ID] Interval           Transfer     Bandwidth       Total
>>        Datagrams
>> 
>>             [ 12]   0.00-1.00   sec  22.3 MBytes   187 Mbits/sec  2850
>> 
>>             [ 12]   1.00-2.00   sec  23.7 MBytes   199 Mbits/sec  3033
>> 
>>             [ 12]   2.00-3.00   sec  23.8 MBytes   200 Mbits/sec  3049
>> 
>>             [ 12]   3.00-4.00   sec  23.9 MBytes   200 Mbits/sec  3055
>> 
>>             [ 12]   4.00-5.00   sec  23.8 MBytes   200 Mbits/sec  3052
>> 
>>             [ 12]   5.00-6.00   sec  23.9 MBytes   200 Mbits/sec  3053
>> 
>>             [ 12]   6.00-7.00   sec  23.8 MBytes   200 Mbits/sec  3049
>> 
>>             [ 12]   7.00-8.00   sec  23.9 MBytes   200 Mbits/sec  3055
>> 
>>             [ 12]   8.00-9.00   sec  23.8 MBytes   200 Mbits/sec  3049
>> 
>>             [ 12]   9.00-10.00  sec  23.8 MBytes   200 Mbits/sec  3051
>> 
>>             iperf Done.
>> 
>> 
>>             SENDER END
>> 
>> 
>>             On Wed, Mar 11, 2015 at 1:58 PM, Brian McNally
>>        
>> <
>>  
>> <mailto:>
>>             
>> <mailto:
>>  
>> <mailto:>>>
>>  wrote:
>> 
>>                 I'm attempting to locate perfSONAR/bwctl endpoints in
>>        the US
>>                 that are open for public UDP tests. It seems like most
>>        sites
>>                 allow TCP tests but deny UDP tests. Why is this? Could
>>        someone
>>                 recommend some UDP endpoints I might be able to connect to?
>> 
>>                 Thanks,
>> 
>>                 --
>>                 Brian McNally
>> 
>> 
>> 
>> 
>>             --
>>             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
>>