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Thread: problem with wpa_supplicant and WPA-NONE
problem with wpa_supplicant and WPA-NONE
country flaguser name
France		 2007-07-12 07:10:00 

  


  

    Hi all,
I try to create a ad-hoc network with 3 laptops, 3 cards Wi-Fi 3COM 3CRPAG175 and WPA-NONE:

3 PCs are used Ubuntu 6.10, madwifi and have the same configuration:
in /etc/network/interfaces:
auto ath0
iface ath0 inet static
address 192.168.0.x             (x=1,2 or 3)
netmask 255.255.255.0
wpa-conf /etc/wpa_supplicant.conf

in /etc/wpa_supplicant.conf:
eapol_version=1
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=0
ap_scan=2
network={
    ssid="testpsk"
    mode=1
    proto=WPA
    key_mgmt=WPA-NONE
    pairwise=NONE
    group=CCMP
   
 psk="hhhhhhhh"
}

rootlaptop1:~#iwconfig ath0
ath0    ;  IEEE 802.11g  ESSID:"testpsk"  
         ; Mode:Ad-Hoc  Frequency:2.412 GHz  Cell: 02:0F:CB:B1:82:B6   
         ; Bit Rate:0 kb/s   Tx-Power:31 dBm   Sensitivity=0/3  
         ; Retry:off   RTS thr:off   Fragment thr:off
      ;    Encryption key:A83D-9695-2E28-4D15-F1C2-9B15-2E0F-0C13  ; Security mode:restricted
 ;         Power Management:off
   ;       Link Quality=32/94  Signal level=-54 dBm 

 Noise level=-86  dBm
   ;       Rx invalid nwid:43656  Rx invalid crypt:0  Rx invalid frag:0
        ;  Tx excessive retries:0  Invalid misc:0   Missed beacon:0

I try to run olsrd in laptop 1 and 2, then in laptop3.
- olsrd in laptop1 reveives only the packet diffused by olsrd in laptop 2.
- olsrd in laptop2 reveives only the packet diffused by olsrd in laptop 1.
- olsrd in laptop3 reveives only the packet diffused by olsrd in laptop 2.

PC1 <------------> PC2 ----------> PC3

It seem that in mode ad hoc with WPA-NONE, only
 one section is created on each interface for data transmission (2 directions). So the 3rd laptop can't communicate with 2 first laptops. Is it the problem of physical support, of madwifi or of wpa_supplicant?????
 
 
      
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    Re: problem with wpa_supplicant  and
WPA-NONE
  


  

     user name

     2007-07-22 12:18:23
  


  

    
On Thu, Jul 12, 2007 at 05:10:00AM -0700, Thao wrote:

> I try to create a ad-hoc network with 3 laptops, 3
cards Wi-Fi 3COM 3CRPAG175 and WPA-NONE:

> It seem that in mode ad hoc with WPA-NONE, only one
section is created on each interface for data transmission
(2 directions). So the 3rd laptop can't communicate with 2
first laptops. Is it the problem of physical support, of
madwifi or of wpa_supplicant?????

In WPA-NONE mode, wpa_supplicant is only configuring the
encryption key
to the driver. In other words, this is likely an issue with
the driver.

-- 
Jouni Malinen                                            PGP
id EFC895FA
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