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Possible Duplicate:
How to stop wifi disconnection when eth0 link becomes ready?

I have got two active network connections on my system:

  • mobile broadband, DHCP to connect to internet via my ISP
  • ethernet static IP for local subnet in home network

Whenever the ethernet connection is active, I lose my internet connection.

Ubuntu seems to be prefering the ethernet port for internet access...

How can I setup my system to always use the mobile broadband for web access?

Thanks for any help.

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marked as duplicate by Lekensteyn, Jorge Castro, karthick87, Marco Ceppi Jul 19 '11 at 15:10

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

1 Answer 1

My guess would be, that your static network sets the default gateway. That way, all your internet traffic gets then routed to some other machine without connection to the internet.

Have a look what


tells you. If the default gateway is set to different than your ISP's IP try:

route del default gw
route add default gw <IP of your ISP>

If that doesn't help, it would be useful to know your exact configuration of the two interfaces and the output of route.

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