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Setting priority of wireless networks in KDE Network Manager

danieltkatch
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Hello all,

Is there a way to determine the priority of wireless networks?

I mean, the KDE networkmanager applet works fine, but it often connects to the WRONG wireless network by default when multiple usable networks are available.

(For example: at work we have a network A that allows printing, but which is not available throughout the building; and a network B that works everywhere, but that does not allow printing. Obviously I want to connect to B only if A is not available, but the networkmanager just seems to prefer B.)

Any idea how to deal with that? Any workaround? Would it be a good feature, if it does not exist yet?
User avatar google01103
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from Google'ing

per http://superuser.com/questions/331720/h ... 698#333698
Setting the metrics is how you change priorities. The higher metric is more "expensive" to use, so the OS will use the interfaces with the lowest metric if it needs to route traffic. In case the lower metric interface is shutdown it will use the higher metric interface since it is the only interface which can be used to route traffic towards that particular network/destination.


you could also look at WiFi Radar as it states:
It enables you to scan for available networks and create profiles for your preferred networks. You can drag and drop your preferred networks to arrange the profile priority.


OpenSuse 13.2 x64, KDE 4.14.x & Plasma 5.x

danieltkatch
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I would like to define preferences to different Wifi networks / SSIDs to which I connect via the same network interface (wlan0). In this case, I think metrics won't help me much. Right?

I also tried WifiRadar but it didn't seem such a comfortable solution.
User avatar google01103
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sorry but way out of my depth here, Google'ing seems to infer WiFi Radar is a solution to this problem and I don't know enough about routes and metrics to even venture a comment


OpenSuse 13.2 x64, KDE 4.14.x & Plasma 5.x

User avatar jgrulich
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Unfortunately this is not possible, because NetworkManager doesn't support anything like this. A solution could be to disable autoconnecting for all wireless networks and write a simple script which will activate your prefered connection.
danieltkatch
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Well if Windows network manager is good enough to do it, then maybe it is a good idea as a new feature in KDE's one too.
User avatar jgrulich
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This is not about KDE NM applet, but about NetworkManager which we use. We would need NetworkManager's support to be able to add such a feature.
User avatar simgunz
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This feature has been implemented in NetworkManager on 2014-10-12. Should now be possible to support it in Plasma-NM. I've filled a bug report about this: https://bugs.kde.org/show_bug.cgi?id=342691

Reference:
https://bugzilla.gnome.org/show_bug.cgi?id=580018
User avatar jgrulich
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Already implemented in plasma-nm 5.2.x, but you also need to compile it against NetworkManager 1.0.x.

 
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