windows multicast-iface do not work

[umit]

Hi,

On windows 10 and gstreamer version 1.18.0, there are multiple network
interfaces and I try to select a specific interface for multicast join with
a pipeline below:

  udpsrc multicast-iface="Ethernet 2" auto-multicast=true address=224.1.1.1
port=50000 ! ...

When I check if joined with the below command:

  netsh interface ip show joins

I see that it connects to another interface, not the one I specified in the
pipeline command. And obviously I cant receive video with the pipeline.
I checked devel-list and saw there are problems reported about this problem
but with no answer or solutions. For example:

http://gstreamer-devel.966125.n4.nabble.com/Multicast-rtp-on-Windows-with-multiple-ethernet-interfaces-td4680086.html

Is this a known issue?
Is the multicast-iface option only for linux? Is it ignored in windows?
Is this a bug?

Thanks

Umit



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