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>3 PCs are used Ubuntu 6.10, madwifi and have the same configuration:<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 192.168.0.x &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; (x=1,2 or 3)</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;">&nbsp;&nbsp;&nbsp; ssid="testpsk"</span><br style="font-family: courier;"><span style="font-family: courier;">&nbsp;&nbsp;&nbsp; mode=1</span><br style="font-family: courier;"><span style="font-family: courier;">&nbsp;&nbsp;&nbsp; proto=WPA</span><br style="font-family: courier;"><span style="font-family: courier;">&nbsp;&nbsp;&nbsp; key_mgmt=WPA-NONE</span><br style="font-family: courier;"><span style="font-family: courier;">&nbsp;&nbsp;&nbsp; pairwise=NONE</span><br style="font-family: courier;"><span style="font-family: courier;">&nbsp;&nbsp;&nbsp; group=CCMP</span><br style="font-family: courier;"><span style="font-family: courier;">&nbsp;&nbsp;&nbsp;
 psk="hhhhhhhh"</span><br style="font-family: courier;"><span style="font-family: courier;">}<br><br></span><span style="font-family: courier;">root@laptop1:~#iwconfig ath0<br>ath0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IEEE 802.11g&nbsp; ESSID:"testpsk"&nbsp; <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mode:Ad-Hoc&nbsp; Frequency:2.412 GHz&nbsp; Cell: 02:0F:CB:B1:82:B6&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Bit Rate:0 kb/s&nbsp;&nbsp; Tx-Power:31 dBm&nbsp;&nbsp; Sensitivity=0/3&nbsp; <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Retry:off&nbsp;&nbsp; RTS thr:off&nbsp;&nbsp; Fragment thr:off<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Encryption key:A83D-9695-2E28-4D15-F1C2-9B15-2E0F-0C13&nbsp;&nbsp; Security mode:restricted<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Power Management:off<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Link Quality=32/94&nbsp; Signal level=-54 dBm&nbsp;
 Noise level=-86  dBm<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Rx invalid nwid:43656&nbsp; Rx invalid crypt:0&nbsp; Rx invalid frag:0<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Tx excessive retries:0&nbsp; Invalid misc:0&nbsp;&nbsp; Missed beacon:0<br><br>I try to run olsrd in laptop 1 and 2, then in laptop3.<br>- olsrd in laptop1 reveives only the packet diffused by olsrd in laptop 2.<br></span><span style="font-family: courier;">- olsrd in laptop2 reveives only </span><span style="font-family: courier;">the packet diffused by olsrd</span><span style="font-family: courier;"> in laptop 1.<br></span><span style="font-family: courier;">- olsrd in laptop3 reveives only </span><span style="font-family: courier;">the packet diffused by olsrd</span><span style="font-family: courier;"> in laptop 2.</span><br><span style="font-family: courier;"><br>PC1 &lt;------------&gt; PC2 ----------&gt; PC3<br><br>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?????<br></span> <p>&#32;
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