perfSONAR User Q&A and Other Discussion

["Bruce A. Mah" <>]

[Replying to a message that was cross-posted to four different mailing
lists...making the reply go to just one of them and BCC-ing the others
so they know it's being taken care of.]

If memory serves me right, Arman Mohsin wrote:

> How can we connect an iperf3 client from local machine to an iperf3
> server running on google cloud. I tried it by giving the public ip
> address of the VM on google cloud but it doesn't seem to connect.
> 
> any help would be so much appreciated.  Thank you.

Hi Arman--

I'd guess that your iperf3 server in the Google Cloud has some sort of
firewall or packet filter in front of it.  If so, that might be blocking
the connection(s) from the client process.  Any chance you can check for
that?  As a related, but separate, question, can you ping the public IP
address of the VM?

When you say it "doesn't seem to connect" that doesn't provide a lot of
information to help in troubleshooting.  At a minimum, you should post
the command lines for both client and server and any relevant output,
along with the OS and iperf3 version numbers on both sides.  (Sanitize
this information as you see fit.)

Bruce.

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