I tried both:
vlc cdda://D: :sout=#duplicate{dst=std{access=rtp,mux=ts,dst=192.168.2.27:1234}}
or
vlc cdda://D: :sout=#transcode{acodec=mp3,ab=256,channels=2}:duplicate{dst=std{access=rtp,mux=ts,dst=192.168.2.27:1234}}
without results. VLC just start to play the CD.