Hi all,<br>I try to create a ad-hoc network with 3 laptops, 3 cards Wi-Fi 3COM 3CRPAG175 and WPA-NONE:<br><br>Laptop 1: Ubuntu 6.10<br>in /etc/network/interfaces<br><span style="font-family: courier;">auto ath0</span><br style="font-family: courier;"><span style="font-family: courier;">iface ath0 inet static</span><br style="font-family: courier;"><span style="font-family: courier;">address 192.168.1.1</span><br style="font-family: courier;"><span style="font-family: courier;">netmask 255.255.255.0</span><br style="font-family: courier;"><span style="font-family: courier;">wpa-conf /etc/wpa_supplicant.conf</span><br><br>in /etc/wpa_supplicant.conf<br><span style="font-family: courier;">eapol_version=1</span><br style="font-family: courier;"><span style="font-family: courier;">ctrl_interface=/var/run/wpa_supplicant</span><br style="font-family: courier;"><span style="font-family: courier;">ctrl_interface_group=0</span><br style="font-family: courier;"><span
style="font-family: courier;">ap_scan=2</span><br style="font-family: courier;"><span style="font-family: courier;">network={</span><br style="font-family: courier;"><span style="font-family: courier;"> ssid="testpsk"</span><br style="font-family: courier;"><span style="font-family: courier;"> mode=1</span><br style="font-family: courier;"><span style="font-family: courier;"> proto=WPA</span><br style="font-family: courier;"><span style="font-family: courier;"> key_mgmt=WPA-NONE</span><br style="font-family: courier;"><span style="font-family: courier;"> pairwise=NONE</span><br style="font-family: courier;"><span style="font-family: courier;"> group=CCMP</span><br style="font-family: courier;"><span style="font-family: courier;"> psk="hhhhhhhh"</span><br style="font-family: courier;"><span style="font-family: courier;">}<br>I
run:<br>root@laptop1:~#ifup ath0<br></span><span style="font-family: courier;">root@laptop1:~#iwconfig ath0<br>ath0 IEEE 802.11g ESSID:"testpsk" <br> Mode:Ad-Hoc Frequency:2.412 GHz Cell: 02:0F:CB:B1:82:B6 <br> Bit Rate:0 kb/s Tx-Power:31 dBm Sensitivity=0/3 <br> Retry:off RTS thr:off Fragment thr:off<br> Encryption key:A83D-9695-2E28-4D15-F1C2-9B15-2E0F-0C13 Security mode:restricted<br> Power Management:off<br> Link Quality=32/94 Signal level=-54 dBm Noise level=-86
dBm<br> Rx invalid nwid:43656 Rx invalid crypt:0 Rx invalid frag:0<br> Tx excessive retries:0 Invalid misc:0 Missed beacon:0<br><br></span><span style="font-family: courier;"><br></span>Laptop 2: Ubuntu 6.10<br> in /etc/network/interfaces<br> <span style="font-family: courier;">auto ath0</span><br style="font-family: courier;"> <span style="font-family: courier;">iface ath0 inet static</span><br style="font-family: courier;"> <span style="font-family: courier;">address 192.168.1.2</span><br style="font-family: courier;"> <span style="font-family: courier;">netmask 255.255.255.0</span><br style="font-family: courier;"> <span style="font-family: courier;">wpa-conf /etc/wpa_supplicant.conf</span><br> <br> in /etc/wpa_supplicant.conf<br> <span style="font-family: courier;">eapol_version=1</span><br style="font-family: courier;"> <span
style="font-family: courier;">ctrl_interface=/var/run/wpa_supplicant</span><br style="font-family: courier;"> <span style="font-family: courier;">ctrl_interface_group=0</span><br style="font-family: courier;"> <span style="font-family: courier;">ap_scan=2</span><br style="font-family: courier;"> <span style="font-family: courier;">network={</span><br style="font-family: courier;"> <span style="font-family: courier;"> ssid="testpsk"</span><br style="font-family: courier;"> <span style="font-family: courier;"> mode=1</span><br style="font-family: courier;"> <span style="font-family: courier;"> proto=WPA</span><br style="font-family: courier;"> <span style="font-family: courier;"> key_mgmt=WPA-NONE</span><br style="font-family: courier;"> <span style="font-family: courier;"> pairwise=NONE</span><br style="font-family: courier;"> <span style="font-family: courier;">
group=CCMP</span><br style="font-family: courier;"> <span style="font-family: courier;"> psk="hhhhhhhh"</span><br style="font-family: courier;"> <span style="font-family: courier;">}<br><br>On laptop 2, i run also:<br></span><span style="font-family: courier;">root@laptop2:~#ifup ath0<br> </span><span style="font-family: courier;">root@laptop2:~#iwconfig ath0<br><br>Now, 2 first laptops is connected with WPA-NONE and they can ping to eachother.<br><br>Laptop 3: Windows XP SP2<br>I can detect "testpsk" network but i can't connect to it.<br><br>Someone can help me, pls! <br>Note that there are some errors when i run directly :<br></span><span style="font-family: courier;">root@laptop1:~#</span><span style="font-family: courier;">wpa_supplicant -c/etc/wpa_supplicant.conf -iath0 -Dmadwifi<br>(i saw errors on mailing list but no answer). So i try with ifup/ifdown.<br>Thanks alot.<br><br>Thao<br></span> <p> 
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