How to Multicast audio stream on my laptop - MAC-OSX - Mavericks - the source and destination is same here? I am using VLC to multicast an audio stream - song on my OS-X mavericks. I need multicasting streaming only here. However, I cannot hear the audio. The volume level of my machine is fine. Looks, like the audio streaming or receiving is not working. 

Here are the steps that I did to setup a multicast streaming.  I am streaming a MP3 song.

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Receiver Setup -

Again on the same pc - I opened the VLC-- following options --









Now, in order to confirm that I am streaming, I checked on a wireshark. I am on a wifi interface.
Note that VLC does not support streaming from live video or audio sources on Mac OSX