perfSONAR User Q&A and Other Discussion

[Raul Lopes <>]

An important notice...

bwctl port is closed on the institution firewall. We've assumed that it's deprecated.

Regards,

RauL

---

From: Raul Lopes <>
Sent: 25 February 2020 21:28
To: Szymon Trocha <>
Cc: <>; Tim Chown <>; Ivan Garnizov <>
Subject: Re: [perfsonar-user] Problem with Persfonar firewall ports

 

Hi Szymon,

The Iperf ports are open.

I had tested it before. And they remain open.

First, a throughput test, running on ps03, from ps03-ban to  ps01-ban

[PSREMOTE@ps03 ~]$ pscheduler task throughput --source ps03-ban --dest ps01-ban

Submitting task...

Failed to post task: Error getting tools from ps01-ban: Connection timed out after 10001 milliseconds

The 'pscheduler troubleshoot' command may be of use in problem

diagnosis. 'pscheduler troubleshoot --help' for more information.

 

Now, I stop the perfsonar services in ps01, and iperf/iperf2 go fine

[PSREMOTE@ps03 ~]$ iperf3 -B ps03-ban -c ps01-ban                                                                                                                          

Connecting to host ps01-ban, port 5201

[  5] local 130.246.152.210 port 45094 connected to 130.246.152.194 port 5201

[ ID] Interval           Transfer     Bitrate         Retr  Cwnd

[  5]   0.00-1.00   sec   464 MBytes  3.90 Gbits/sec  1250    424 KBytes      

[  5]   1.00-2.00   sec   605 MBytes  5.07 Gbits/sec  507    560 KBytes      

[  5]   2.00-3.00   sec   632 MBytes  5.31 Gbits/sec  459    594 KBytes      

[  5]   3.00-4.00   sec   731 MBytes  6.14 Gbits/sec  516    279 KBytes      

[  5]   4.00-5.00   sec   730 MBytes  6.12 Gbits/sec  284    658 KBytes      

[  5]   5.00-6.00   sec   794 MBytes  6.66 Gbits/sec  178    501 KBytes      

[  5]   6.00-7.00   sec   621 MBytes  5.20 Gbits/sec  350    454 KBytes      

[  5]   7.00-8.00   sec   768 MBytes  6.44 Gbits/sec  242    315 KBytes      

[  5]   8.00-9.00   sec   724 MBytes  6.07 Gbits/sec  384    293 KBytes      

[  5]   9.00-10.00  sec   759 MBytes  6.35 Gbits/sec  290    469 KBytes      

- - - - - - - - - - - - - - - - - - - - - - - - -

[ ID] Interval           Transfer     Bitrate         Retr

[  5]   0.00-10.00  sec  6.67 GBytes  5.73 Gbits/sec  4460             sender

[  5]   0.00-10.04  sec  6.67 GBytes  5.70 Gbits/sec                  receiver

iperf Done.

This is the sort of diagnostics that I do not know how to extract from pscheduler.

I'd like an option like

  pscheduler task --rawtool iperf3 ...

Summary: no problem with firewall. It's configuration problem: bandwidth test improperly configured. Well...That's how I see.

Ports tested that open: iperf, iperf3, https.

Regards, Raul

---

From: Szymon Trocha <>
Sent: 25 February 2020 11:51
To: Raul Lopes <>
Subject: Re: [perfsonar-user] Problem with Persfonar firewall ports

 

W dniu 25.02.2020 o 12:39, Raul Lopes pisze:

Hi Szymon,

I tested the routes between those hosts before we started Perfsonar configuration using traceroute, iperf and iperf3. Then we configured firewall,  and the institution made the firewall stricter. The idea would be to test with iperf and iperf3 with Perfsonar just to

see the routes.

Thanks for all the outputs. Indeed let's make sure first iperf ports are opened on the path.

Regards,

--

Szymon Trocha
Poznań Supercomputing & Networking Center

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