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<div id=":yx"><div>Has anyone successfully set up a WPA2-PSK Ad-Hoc network consisting of three or</div><div>more nodes? I have been attempting this with four nodes and can only manage to</div><div>create two isolated networks, each comprised of just two nodes. My</div>
<div>wpa_supplicant.conf is shown below, along with my system configuration.</div><div>wpa_supplicant.conf was inspired by the one mentioned by Sean at [1], with</div><div>which a seven node olsr mesh was allegedly achieved [2].</div>
<div><br></div><div>### wpa_supplicant.conf ###</div><div>ctrl_interface=DIR=/var/run/wpa-supplicant GROUP=wheel</div><div>ap_scan=2</div><div>network={</div><div> ssid="adhoc"</div><div> mode=1</div><div>
frequency=2412</div><div> proto=WPA</div><div> key_mgmt=WPA_NONE</div><div> pairwise=NONE</div><div> group=TKIP</div><div> psk=1234567890</div><div>}</div><div><br></div><div>### System Configuration ###</div>
<div>(Identical for all systems)</div><div>HP tc4200</div><div>Intel PRO/Wireless 2200BG Mini-PCI Adapter</div><div> driver: ipw2200</div><div>Linux kernel 2.6.33.6-147</div><div>Fedora 13 (x86)</div><div>wpa_supplicant v0.6.8</div>
<div><br></div><div>### Launch Steps (as root) ###</div><div>service NetworkManager stop</div><div>[outstanding wpa_supplicant instances killed]</div><div>wpa_supplicant -d -i eth1 -c /etc/wpa_supplicant/wpa_supplicant.conf -D wext</div>
<div>ifconfig eth1 up</div><div>ifconfig eth1 192.168.1.xxx/24</div><div><br></div><div>The above launch steps are run first on node A, then B, C, and D in that order.</div><div>A and B have bidirectional communication - that is, A can receive messages from</div>
<div>B and B can receive messages from A. Similarly, C and D have bidirectional</div><div>communication when they have been initialized. However, there is no path of</div><div>communication between either A or B and either C or D. While they are all</div>
<div>listed by iwconfig as being on the same cell, there appears to be two separate</div><div>networks formed with the same ssid, encryption key, and access points (I use</div><div>that term loosely because of the nature of Ad-Hoc networks).</div>
<div><br></div><div>Does anyone have any ideas as to what could be causing this?</div><div><br></div><div>References:</div><div>[1] <a href="http://lists.shmoo.com/pipermail/hostap/2009-April/019618.html" target="_blank" style="color: rgb(34, 34, 34); ">http://lists.shmoo.com/pipermail/hostap/2009-April/019618.html</a></div>
<div><a href="http://lists.shmoo.com/pipermail/hostap/2009-April/019618.html" target="_blank" style="color: rgb(34, 34, 34); "></a>[2] <a href="http://lists.shmoo.com/pipermail/hostap/2009-April/019619.html" target="_blank" style="color: rgb(34, 34, 34); ">http://lists.shmoo.com/pipermail/hostap/2009-April/019619.html</a></div>
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