Re: NetworkManager, using two networks simultaneously

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On 06/10/2016 11:11 AM, Chris Murphy wrote:
On Fri, Jun 10, 2016 at 11:58 AM, Fred Smith
<fredex@xxxxxxxxxxxxxxxxxxxxxx> wrote:
On Fri, Jun 10, 2016 at 11:38:22AM -0600, Chris Murphy wrote:
On Fri, Jun 10, 2016 at 11:01 AM, Rick Stevens <ricks@xxxxxxxxxxxxxx> wrote:
On 06/10/2016 09:42 AM, Chris Murphy wrote:

Hi,

How do I tell NetworkManager to default to wireless? The environment
I'm in provides internet only via wireless, so that needs to be the
default route, if that's the proper term. Right now it's defaulting to
wired and since there's no internet via that route, the web browser
hangs.

I would have though for wired, setting "Use this connection only for
resources on its network" would do that, but it doesn't.


I don't even have that option in my NM applet. I could untick
"Automatically connect to this network when it is available" in my NM
applet for the wired connection.

If you click on IPv4 and scroll down under Routes, "Use this
connection only for resources on its network" but I have no idea what
that does.

did  you ever connect to a VPN and discover that you then cannot access
anything on your localnetwork, or out on the internet?

Yes.


if you check that box it doesn't block all those other systems/networks,
sending only the things that need to go to that connection to it and
letting everything else be routed as it always has before.

That's very cool but I think I'd stick it in the VPN connection
configuration. I suspect whether you want this passthrough to work
might depend on which VPN connection you're using. But anyway...


So what I think is going on here, when I look at the output from
'nmcli c show' for wifi and wired connections is this:

Wired:
GENERAL.DEFAULT:                        yes

Wireless:
GENERAL.DEFAULT:                        no

That's the only meaningful difference I can see between these two.
While I can change this with nmcli, I don't see anything in the GUI
for choosing a preferred or default connection/interface.

I was just going to suggest using nmcli.

Yes, I don't think they provide that functionality in the NM GUI. A lot
of GUIs are "incomplete" in that regard (not all features are available
in the GUI)--not just NM. Often there are so many options that the GUI
would be incredibly cluttered and confusing, so just the stuff "most
commonly used" is put in.
----------------------------------------------------------------------
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- AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
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-      I won't rise to the occasion, but I'll slide over to it.      -
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