If I go Settings → Network → Wireless and select Use as Hotspot..., I get the following message:

If you have a connection to the Internet other than wireless, you can use it to share your internet connection with others.

Switching on the wireless hotspot will disconnect you from ABC.

It is not possible to access the internet through your wireless while the hotspot is active.

What are the technical reasons why I can't set up an Hotspot and be connected to the Internet at the same time?

marked as duplicate by gertvdijk, Gilles, Radu Rădeanu, Kevin Bowen, MestreLion Jul 27 '13 at 0:40

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hotapot option has neen made to share imternet from another wireless or lan device over WiFi

however, if you have windows installed, get an application called "connectify me"

connect to WiFi network and using connectify-me select the WiFi device to share internet from and choose same device to share over

im doubt it cant be done through ubuntu

  • 2
    Unless a WiFi adapter has two radios I don't think it can be in two modes at the same time. Are you sure that it is possible what you're describing in Windows? – gertvdijk Jul 25 '13 at 18:06
  • yes it works, I used it on many adapters and it works with out problems, moreover, you might want to take a look at Microsoft research virtual WiFi which ables you to connect to multiple networks, the whole tricks here is to simulate two device rather than one that belong to the same adapter – OverCoder Jul 25 '13 at 18:13
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    Ah, cool. With some more thorough searching I found this for Linux: Connect to multiple AP with one Wifi adapter under Linux/FreeBSD? – gertvdijk Jul 25 '13 at 18:16
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    Mh... I asked this on AskUbuntu because I was seeking an Ubuntu-related answer :-) – user16538 Jul 25 '13 at 18:20
  • 1
    @user16538 Of course! That's why I'm commenting, not providing an answer yet. The Q&A I linked to just states that it is possible for Linux+FreeBSD and shows examples for FreeBSD. So we need the same but for Ubuntu here. – gertvdijk Jul 25 '13 at 18:21

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