perfSONAR User Q&A and Other Discussion

[Eli Dart <>]

Hi all,

The ESnet perfSONAR hosts allow UDP testing for ESnet sites, but not for the wider world.

We allow TCP tests from research institutions worldwide.

Eli

On Thu, Mar 12, 2015 at 10:24 AM, Brian Tierney <> wrote:

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
>>

--

Eli Dart, Network Engineer                          NOC: (510) 486-7600

ESnet Office of the CTO (AS293)                          (800) 333-7638

Lawrence Berkeley National Laboratory 

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