Can't find wemo

Hi, I buy a demo light switch and i can’t find the UDN…

I look at the log file but find nothing…

20:25:35.376 [DEBUG] [.b.wemo.internal.WemoActivator:34 ] - Wemo binding has been started.
20:25:35.395 [DEBUG] [.o.b.wemo.internal.WemoBinding:301 ] - wemoDiscovery() is called!
20:25:35.399 [DEBUG] [.o.b.wemo.internal.WemoBinding:354 ] - Send datagram packet.
20:25:35.401 [DEBUG] [.o.b.wemo.internal.WemoBinding:359 ] - Receive SSDP Message.
20:25:36.403 [DEBUG] [.o.b.wemo.internal.WemoBinding:383 ] - Message receive timed out.
20:25:36.404 [INFO ] [.service.AbstractActiveService:169 ] - Wemo Refresh Service has been started
20:25:36.404 [DEBUG] [.o.b.wemo.internal.WemoBinding:118 ] - execute() method is called!

Double posting will not give you a faster answer.
I answered your other post so closing this one.