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43242577: AVB/EAV enabled disconnects Ethernet when picking an Airplay 2 speaker #20271

openradar-mirror opened this issue Aug 14, 2018 · 1 comment


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@openradar-mirror openradar-mirror commented Aug 14, 2018



When choosing a speaker in iTunes, if that speaker is Airplay 2 (Sonos One, Apple TV) then Ethernet briefly disconnect, leading to a new DHCP request and most of the time a failure in negotiation with the speaker.

Steps to Reproduce:

  • Have a mac (AVB/EAV compatible) connected with ethernet on a network with Airplay 2 device (do not use Wifi, or make sure wifi is after Ethernet in interfaces order)
  • Open network preferences and iTunes, have them side by side
  • Open iTunes, then change the destination to that Airplay 2 speaker
  • Observe the Ethernet going down then up.

Same thing happens when you disconnect the Airplay 2 speaker, going back to the sound on the computer for example.

If you disable AVB/EAV in Network preferences / Advanced… / Hardware the problem goes away (might have to relaunch iTunes) but now sound doesn't reliably play on the devices.

Expected Results:
Going from a speaker to another should be seamless and not lead to disconnection

Actual Results:
Ethernet briefly disconnects and reconnects

macOS 10.13.6

iMac (27-inch, Late 2013), Sonos One, Apple TV and Apple TV 4k.

Product Version: 10.13.6
Created: 2018-08-14T08:01:25.214290
Originated: 2018-08-13T00:00:00
Open Radar Link:


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@openradar-mirror openradar-mirror commented Aug 15, 2018

Modified: 2018-08-15T19:52:22.052620

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