Few days ago I plugged my android (HTC1) phone to my Win7 machine which never had any network issues.

When I connected, I also made th following change:

Mobile Hotspot & tethering->USB network Setting->Internet pass through

Even when the phone is disconnected, from time to time, something (new) resets the DNS setting to my phone's IP address. I reset with ipconfig /renew and it is fine for a while, but eventually flips back.


Ran wireshark on PC and it looks like the phone is sending DHCP ACKs and announcing itself as the router & DNS server etc.

This can't be a feature, How am I supposed to stop it?

  • Did you run the wireshark capture when the phone was connected via USB? Oct 9, 2013 at 12:27
  • @onik, no the phone was no longer connected via USB.
    – nhed
    Oct 11, 2013 at 2:55

1 Answer 1


Workaround: I am pretty sure got fixed after I enabled and disabled "Mobile Hotspot"

So while I am answering my own question, I will accept any answer that describes how to disable this faulty behavior

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