I have a MSI S270 laptop branded "Medion". It seems I got everything
working with kubuntu 8.04 except for WLAN.
My problem is there is too much of information on the web and there are
lots of ways how set the network up properly. It still didn't get the
full picture of how wpasupplicant, networkmanager, native devices,
avahi etc. are playing together. I am willing to read documentation but
I still need some help to get a general overview.
My topology:
I have a linux router making connection to the internet and running a
DHCP server. Connected to that I have a linksys access point (just
accesspoint and not a router). The access point is using WPA-encryption
which is running fine with windows and my symbian cell phone. Ethernet
connection is also workig.
Situation:
ifconfig shows 5 interfaces : eth0, lo, wlan0, wlan0, wlan0:avahi and
wmaster0.
After I used the network-admin (KDEmenu->System->network) and put in the
essid and the WPA passphrase a few packets are received and sended via
wlan0. No packets are received or sent via wlan0:avahi nor wmaster0.
DHCP is working for ethernet but not for WLAN.
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12-19-2008, 01:38 PM
WLAN not working rt2500
ello,
On Fri, Dec 19, 2008 at 03:00:02PM +0100, Axel Heinrici wrote:
> Hello,
>
> I have a MSI S270 laptop branded "Medion". It seems I got everything
> working with kubuntu 8.04 except for WLAN.
> My problem is there is too much of information on the web and there are
> lots of ways how set the network up properly. It still didn't get the
> full picture of how wpasupplicant, networkmanager, native devices,
> avahi etc. are playing together. I am willing to read documentation but
> I still need some help to get a general overview.
>
> My topology:
> I have a linux router making connection to the internet and running a
> DHCP server. Connected to that I have a linksys access point (just
> accesspoint and not a router). The access point is using WPA-encryption
Few thoughts: wpa-supplicant is needed.
> which is running fine with windows and my symbian cell phone. Ethernet
> connection is also workig.
>
> Situation:
> ifconfig shows 5 interfaces : eth0, lo, wlan0, wlan0, wlan0:avahi and
> wmaster0.
eth0, lo, wlan0: seems fine to me.
I suggest you disable/remove avahi:
$ sudo invoke-rc.d avahi-daemon stop;
$ sudo ifdown wlan0:avahi;
What's wmaster0?
Also note, Avahi's a piece of **ap software TBH and mucks up lot of stuffs.
Do that and then reconfigure your interface with Knetworkmanager or whatever its called.
[...]
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12-19-2008, 04:28 PM
Nils Kassube
WLAN not working rt2500
Axel Heinrici wrote:
> I have a MSI S270 laptop branded "Medion". It seems I got everything
> working with kubuntu 8.04 except for WLAN.
> My problem is there is too much of information on the web and there are
> lots of ways how set the network up properly. It still didn't get the
> full picture of how wpasupplicant, networkmanager, native devices,
> avahi etc. are playing together. I am willing to read documentation but
> I still need some help to get a general overview.
OK, here is an overview how I understand it. It may be partly wrong but I
hope others will correct me if necessary. At least it should get you
started.
Networkmanager selects the interface for your network connection. If you
are connected with the wired interface that one will be used. Otherwise
if the wireless interface is available, this will be used automatically
if a known wireless network is found.
Knetworkmanager is the user interface for networkmanager so you don't need
administrator privilege e.g. to select wireless networks.
Wpasupplicant is the application which handles the WPA/WPA2 encryption for
your wireless interface. It has to be installed but it is controlled by
networkmanager, so you don't need to configure it unless you want to have
a special setup.
Avahi is a daemon which can provide interfaces with a configuration for
local networks without DHCP server. It uses zeroconf addresses in the
169.254.0.0/16 network. In theory it should not interfere with the other
network settings. Well, in theory ...
> I have a linux router making connection to the internet and running a
> DHCP server. Connected to that I have a linksys access point (just
> accesspoint and not a router). The access point is using WPA-encryption
> which is running fine with windows and my symbian cell phone. Ethernet
> connection is also workig.
>
> Situation:
> ifconfig shows 5 interfaces : eth0, lo, wlan0, wlan0, wlan0:avahi and
> wmaster0.
> After I used the network-admin (KDEmenu->System->network) and put in
> the essid and the WPA passphrase a few packets are received and sended
> via wlan0. No packets are received or sent via wlan0:avahi nor
> wmaster0. DHCP is working for ethernet but not for WLAN.
Network-admin might be a problem. Please check that only the lo interface
is mentioned in "/etc/network/interfaces". Interfaces mentioned in that
file will be ignored by networkmanager. If other interfaces are mentioned
there, please remove the entries (or make them comments with a "#"
character at the beginning of each of those lines). BTW: You need root
privilege to edit the file.
Right click the knetworkmanager icon. If no wireless networks are
displayed, select options -> enable wireless networks. If wireless
networks are shown, there should be one line with the name of your
network. Click on that line and a new window should open which asks for
the passphrase. If you can't see your wireless network, select "connect
other wireless network". Then enter the network name, select the
encryption type and enter the passphrase.
However not everybody is happy with networkmanager. If the procedure above
doesn't work, it might worthwile to install Wicd [1] instead. Others can
probably help you with that program if it doesn't work.
Nils
[1] <http://wicd.sourceforge.net/>
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12-19-2008, 09:57 PM
Axel Heinrici
WLAN not working rt2500
Hi
On Friday 19 December 2008 18:28:52 Nils Kassube wrote:
> Right click the knetworkmanager icon. If no wireless networks are
> displayed, select options -> enable wireless networks. If wireless
> networks are shown, there should be one line with the name of your
> network. Click on that line and a new window should open which asks
> for the passphrase. If you can't see your wireless network, select
> "connect other wireless network". Then enter the network name, select
> the encryption type and enter the passphrase.
>
Thanks, it is working now.
I did remove all the avahi-stuff. I still have the wmaster0 network
device. But the important thing is that WLAN access is working now.
kind regards
Axel
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WLAN not working rt2500
