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Adhoc Networks: Create a Network vs. Internet Sharing

Wanted to see if anyone else is confused by what appears to be two AdHoc WiFi sharing features in Mac OS X Yosemite? There appears to be:

  • Remnants of an old, no longer functional network sharing feature under the network dropdown menu "Create a Network..."
  • A newer, fully functional network sharing feature, "Internet Sharing" that is hidden under System Preferences -> Sharing

Is this by design or is there an opportunity to clean up what features remain and how the new feature is accessed?


Create a NetworkInternet Sharing
Activated ByDropdown -> Create a NetworkSystem Preferences -> Sharing
Supports Internet SharingNo?Yes
Can set WAP2 PasswordNoYes
Accessible from DropdownUsually but NOT while Internet SharingOnly after activating Internet Sharing
NotesNot clear what this is still used forUnintuitive that this can't be activated from Dropdown or System Preferences -> Network


Will reply with some screenshots to make this more intuitive when time permits.


Mac OS X Yosemite 10.10.1

MacBook Pro with Retina display, OS X Yosemite (10.10.1)

Posted on Jan 27, 2015 8:16 PM

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Question marked as Top-ranking reply

Posted on Jan 27, 2015 8:44 PM

These are not the same thing at all, and are both still valid options.


Wireless -> Create Network


This creates an ad-hoc wireless network that lets peers communicate between themselves. This network is self-contained (only devices on that join this network can see each other, and that's all they see). This works only on the wireless network, and essentially turns your Mac into a (dumb, insecure) wireless base station.


Internet Sharing


This option configures your Mac as a NAT-based router, and requires at least two interfaces on your host (typically wired and wireless, but does not have to be). In this mode, clients on the shared network (e.g. wireless clients) can access resources on the other network (e.g. wired ethernet). The other network could include access to the internet, thereby turning your host into an internet gateway/router.


So, maybe they could use some clarification, but don't think that they're the same thing, or obsolete.

6 replies
Question marked as Top-ranking reply

Jan 27, 2015 8:44 PM in response to NGMmac

These are not the same thing at all, and are both still valid options.


Wireless -> Create Network


This creates an ad-hoc wireless network that lets peers communicate between themselves. This network is self-contained (only devices on that join this network can see each other, and that's all they see). This works only on the wireless network, and essentially turns your Mac into a (dumb, insecure) wireless base station.


Internet Sharing


This option configures your Mac as a NAT-based router, and requires at least two interfaces on your host (typically wired and wireless, but does not have to be). In this mode, clients on the shared network (e.g. wireless clients) can access resources on the other network (e.g. wired ethernet). The other network could include access to the internet, thereby turning your host into an internet gateway/router.


So, maybe they could use some clarification, but don't think that they're the same thing, or obsolete.

Jan 31, 2015 6:56 AM in response to NGMmac

Apple take note!

Apple does NOT take note in these forums. The moderators mostly spend their time solving forum related problems, moving posts to the correct form, deleting spam postings, removing personal data that should not have been posted. They are forum professional, not software developers.


Hence the pointer to feedback

Sep 28, 2015 4:44 AM in response to NGMmac

Thanks for clarifying this unwelcome change in Yosemite (because the ad hoc network used to take at least a WEP password)!


Now, the problem is that the "Internet Sharing" network does not fully replace the ad hoc one, since it fails to start up when there is no internet connection to share. Peeking in the console reveals this message:


configd[50]: no interface for external service id


This means, there seems to be no longer a possibility to quickly but securely connect two devices without bringing an external router, unless someone knows a trick or pointers how to configure the Software Base Station.

Adhoc Networks: Create a Network vs. Internet Sharing

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