wpa_supplicant problem in ad-hoc mode with madwifi
pierre_duboisss at yahoo.fr
Thu Sep 27 05:50:45 EDT 2007
But i want to know why my card madwifi is changed automatically from Ad-hoc mode to Managed mode when i run wpa_supplicant -ieth1 -Dmadwifi -c/etc/wpa_supplicant.conf -dd.
Can you show me the way to solve this problem?
Dan Williams <dcbw at redhat.com> a écrit : On Tue, 2007-09-25 at 11:22 +0200, pierre dubois wrote:
> Here is /etc/wpa_supplicant.conf file:
> Notice that i tested also with ipw chipset and the mode is not changed
> automatically like that. When i typed iwconfig, i saw that the
> encryption key length is 128 bits in case of madwifi chipset, and 256
> bits in case of ipw chipset. Could anybody explain me what happens?
Note that with ipw2100, ipw2200, and ipw2915 you must _manually_ set the
channel , otherwise the card will not deal with the adhoc mode. It
does not have a default adhoc channel at all that I can tell.
Because wpa_supplicant doesn't have an option to force a particular
channel in the network block, you have to do this manually when using
wpa_supplicant and configuring it for adhoc operation. I would like to
modify wpa_supplicant quite soon to have a "frequency" key, but people
haven't yet decided whether they like frequency or channel.
 this may only be the case where there is not already an adhoc
network of the specified SSID. If you're creating a whole new adhoc
network, you definitely need to set the channel on ipw cards
> Ambedkar R a écrit :
> Can you send the wpa-supplicant.conf.
> On Thu, 20 Sep 2007 pierre dubois wrote :
> > I changed my wireless card in "Ad-hoc" mode and tried to
> run wpa_supplicant in this mode:
> > wpa_supplicant -ieth1 -Dmadwifi -c/etc/wpa_supplicant.conf
> > After that, i checked the status of card by iwconfig and i
> saw it is changed automatically in "Managed" mode.
> > How can i do now?
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