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Today's Topics:
1. Connman Ethernet/3G handover (Florent Le Saout)
2. Re: Connman Ethernet/3G handover (Dragos Tatulea)
3. Re: Connman Ethernet/3G handover (Naveen Singh)
----------------------------------------------------------------------
Message: 1
Date: Thu, 28 Apr 2016 08:55:14 +0200
From: Florent Le Saout <[email protected]>
To: [email protected]
Subject: Connman Ethernet/3G handover
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"
Hi,
I'm looking for a network manager.
I would like to use ConnMan in an embedded system. It seems that it
provides most of the features I'm looking for, including 3G and VPN
management.
But after some research it seems that there is maybe one missing point
in it. Let say I have the following setup :
* Ethernet connection as preferred connection
* 3/4G connection as backup/failover connection
My Ethernet is always on and dhcp server is properly providing IP, cable
is still plugged in, and power on the line is still there, but sometimes
the internet connectivity is lost. So in that case it ll switch to the
3G/4G connection. But then as soon as possible, when connectivity is
back online via the ethernet, I want to switch back to it for
performance and cost reason.
Is this supported by default, or is there a way to configure it that way ?
I found this
post(http://comments.gmane.org/gmane.linux.network.connman/10238) which
seems to say that it was not supported at that time, since there is no
periodic check (February 2013).
And also from the documentation :
Autoconnecting
Favorite (saved) networks that have autoconnect enabled are
considered when autoconnecting services. These services are marked
with '*' and 'A' in connmanctl, respectively. By default ConnMan
autoconnects these in the order they are shown in the list of
services until one of them gets connected. After that the
autoconnected service is in use and ConnMan won't select a new one
until the network goes out of range. When the service goes out of
range or gets disconnected from the network infrastructure side,
autoconnect is re-run and another favorite autoconnectable service
is selected.
So I want to make sure I got the correct understanding on that ?
Feel free to ask for more informations if this is unclear.
Thanks for your support,
Florent.
--
*Florent LE SAOUT*
R&D department
Embedded Software Developer
KERLINK
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Message: 2
Date: Thu, 28 Apr 2016 16:46:33 +0200
From: Dragos Tatulea <[email protected]>
To: [email protected]
Subject: Re: Connman Ethernet/3G handover
Message-ID: <[email protected]>
Content-Type: text/plain; charset=windows-1252
Hi,
On 04/28/2016 08:55 AM, Florent Le Saout wrote:
> Hi,
>
> I'm looking for a network manager.
>
> I would like to use ConnMan in an embedded system. It seems that it
> provides most of the features I'm looking for, including 3G and VPN
> management.
>
> But after some research it seems that there is maybe one missing point
> in it. Let say I have the following setup :
>
> * Ethernet connection as preferred connection
> * 3/4G connection as backup/failover connection
>
>
> My Ethernet is always on and dhcp server is properly providing IP, cable
> is still plugged in, and power on the line is still there, but sometimes
> the internet connectivity is lost. So in that case it ll switch to the
> 3G/4G connection. But then as soon as possible, when connectivity is
> back online via the ethernet, I want to switch back to it for
> performance and cost reason.
>
> Is this supported by default, or is there a way to configure it that way ?
>
> I found this
> post(http://comments.gmane.org/gmane.linux.network.connman/10238) which
> seems to say that it was not supported at that time, since there is no
> periodic check (February 2013).
> And also from the documentation :
>
> Autoconnecting
>
> Favorite (saved) networks that have autoconnect enabled are
> considered when autoconnecting services. These services are marked
> with '*' and 'A' in connmanctl, respectively. By default ConnMan
> autoconnects these in the order they are shown in the list of
> services until one of them gets connected. After that the
> autoconnected service is in use and ConnMan won't select a new one
> until the network goes out of range. When the service goes out of
> range or gets disconnected from the network infrastructure side,
> autoconnect is re-run and another favorite autoconnectable service
> is selected.
>
>
> So I want to make sure I got the correct understanding on that ?
>
Yup, ConnMan doesn't do continuous online checks. I have experimented
with adding this functionality based on the current online check. But
looking back, it's not the best approach. I do think that this
functionality can be very useful though.
Thanks
--
Dragos Tatulea
Software Developer @ Endocode AG
[email protected]
Endocode AG, Br?ckenstra?e 5A, 10179 Berlin
+49 30 1206 4472 | [email protected] | www.endocode.com
Vorstandsvorsitzender: Mirko Boehm
Vorst?nde: Dr. Thomas Fricke, Sebastian Sucker
Aufsichtsratsvorsitzende: Alexandra Boehm
Registergericht: Amtsgericht Charlottenburg - HRB 150748 B
------------------------------
Message: 3
Date: Thu, 28 Apr 2016 09:00:29 -0700
From: Naveen Singh <[email protected]>
To: Florent Le Saout <[email protected]>
Cc: [email protected]
Subject: Re: Connman Ethernet/3G handover
Message-ID:
<cafk1zrbcmtvtlbimnfksz0puzkitn0cwktxmorgfxpyvnh2...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
On Wed, Apr 27, 2016 at 11:55 PM, Florent Le Saout <
[email protected]> wrote:
> Hi,
>
> I'm looking for a network manager.
>
> I would like to use ConnMan in an embedded system. It seems that it
> provides most of the features I'm looking for, including 3G and VPN
> management.
>
> But after some research it seems that there is maybe one missing point in
> it. Let say I have the following setup :
>
>
> - Ethernet connection as preferred connection
> - 3/4G connection as backup/failover connection
>
>
> My Ethernet is always on and dhcp server is properly providing IP, cable
> is still plugged in, and power on the line is still there, but sometimes
> the internet connectivity is lost. So in that case it ll switch to the
> 3G/4G connection. But then as soon as possible, when connectivity is back
> online via the ethernet, I want to switch back to it for performance and
> cost reason.
>
> Is this supported by default, or is there a way to configure it that way ?
>
> I found this post(
> http://comments.gmane.org/gmane.linux.network.connman/10238) which seems
> to say that it was not supported at that time, since there is no periodic
> check (February 2013).
> And also from the documentation :
>
> Autoconnecting
>
> Favorite (saved) networks that have autoconnect enabled are considered
> when autoconnecting services. These services are marked with '*' and 'A' in
> connmanctl, respectively. By default ConnMan autoconnects these in the
> order they are shown in the list of services until one of them gets
> connected. After that the autoconnected service is in use and ConnMan won't
> select a new one until the network goes out of range. When the service goes
> out of range or gets disconnected from the network infrastructure side,
> autoconnect is re-run and another favorite autoconnectable service is
> selected.
>
>
> So I want to make sure I got the correct understanding on that ?
>
> Feel free to ask for more informations if this is unclear.
>
> Thanks for your support,
> Florent.
>
> --
> *Florent LE SAOUT*
> R&D department
> Embedded Software Developer
> KERLINK
>
Should not this be done by your application by having some sort of
continuous check if your preferred technology is back?
Regards
Naveen
>
> _______________________________________________
> connman mailing list
> [email protected]
> https://lists.01.org/mailman/listinfo/connman
>
>
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