[Interest] MultiCast problem. QAbstractSocket::ShareAddress no effect?

[Guido Seifert]

> Though according to this answer, it's possible to bind more than 1 UDP
> socket to the exact same host:port combo as long as all of them use
> SO_REUSEADDR _before_ binding (which is what your code is doing I think?).

Look into Qt-5.1.1/examples/network/multicastreceiver/receiver.cpp

After my code failed on Qt5 I checked this example to see if I did something wrong.
I was able to reproduce the problem with this example code.

Guido