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I have two data connections. One is a USB Dongle with a high speed, limited data plan. The other is a broadband (over WiFi) slower, but unlimited data plan, connection. I want certain applications such as Software Updates to use only the WiFi connection for downloading whereas my browsers (Chromium, Firefox) to use the high speed connection.

Is it possible to force this selection on the applications ?

Also, in case one of the connections is not available, then everything should fall back on the other connection.

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marked as duplicate by hhlp, con-f-use, Chris Wilson, chronitis, Thomas W. Mar 24 '13 at 15:51

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1 Answer 1

That is not possible in the way you describe, but you can get somewhere by manually adding routes. Say you use archive.ubuntu.com, you can add a route for 91.189.92.0/24 to go via the wifi and leave the default route to be the dongle.

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