Hi @Brian_Breneman ----- Thank you for the report and sharing your observations with us. The insight is greatly appreciated!
I have reviewed the details of your network configuration/topology and the devices that make up the chain of communication. As you have noted, there have indeed been some changes made to our streaming protocol “RAAT” (using TCP instead of UDP to transmit the audio stream as cited in build 234’s release notes), but these changes have been stable for the vast majority of our users.
As you can see we had another user who changed nothing in their setup before the update but had to make a slight adjustment to their switch to return to a stable state.
With all of that being said, I would recommend the following tests to try and isolate some variables:
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If the 2013 Mac Pro is accessing the network via WiFi, try testing with a hardwired connection.
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Have you tested with any other devices acting as a Roon remote besides the iPhone 7 plus? If so, what was the experience like?
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If possible I would strongly recommend testing with the Rendu mounted to your Airport. Running this test will help us understand whether the issue is related to the EoP setup, or whether there’s something else going on here. We don’t do any in-house testing with EoP and we generally recommend against it, as we’ve traced a huge array of networking issues to the technology going back over a decade.
That said, our latest release was designed to make these environments more stable, and we know that many users are running EoP without issue.
We can absolutely do some additional testing and investigation here, assuming we’re able to localize your issue to EoP. This test will help us make that determination.
Looking forward to the results of this test!
-Eric