I have a problem with my Slingbox 350. When I hook up to it through a WD TV unit it works fine for the first minute and after that it freezes and later sends a connection error. At both ends the internet connection is over 3 Mbps.
I see that you are having issues with a connected device. To help you out, I would suggest taking a look at this post about problems with connected devices.
Hope this helps!
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