[Lugro-mesh] AHDEMO Mode

Gustavo Lindberg lugro-mesh@lugro.org.ar
Fri, 7 Sep 2007 20:02:36 +0000


------=_Part_2853_23872335.1189195356287
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

Una cosa que me llama la atencion, es que parece que roofnet arranco usando
placas Intersil Prism y despues se pasaron a Atheros, que permite el modo
VAP y leer paquetes raw directamente del driver. Eran una red en capa 3 y se
pasaron a 2.5 ???

Saludos / GUS

2007/9/7, Julio Cesar Puigpinos <jcpuigpinos@gmail.com>:
>
> Esto es lo que comente ayer sobre este modo que habia visto.
>
> Madwifi doc: http://madwifi.org/wiki/UserDocs/AhdemoInterface
>
> Y en el paper roofnet-mobicom05, en el capitulo 2.1 Hardware parrafo 3
> (final pagina 2) dice:
> "Each node is equipped with an 802.11b wireless card based on the
> Intersil Prism 2.5 chip-set. The radios transmit 200 milliwatts of
> power, operate with RTS/CTS disabled, and
> all share the same 802.11b channel. The cards use a nonstandard
> \pseudo-IBSS" mode that is similar to standard 802.11b IBSS (or \ad
> hoc") mode, in that nodes communicate
> directly without access points. Pseudo-IBSS omits 802.11's beacons and
> BSSID (network ID) mechanism, solving IBSS mode's tendency to form
> partitions which have different BSSIDs despite having the same network
> ID. These partitions made it impossible to operate Roofnet reliably
> with IBSS mode."
>
> Y creo que hay un elemento de Click propio o de Roofnet llamado
> llamado pseudo-ibss o algo asi (Seba Criado lo habia encontrado).
>
>                                                   Saludos, Julio
>
> --
> NO A LA MATRICULA!!!: http://noalamatricula.wordpress.com/
> Software Freedom Day 15 de Septiembre
>
> http://softwarefreedomday.org/teams/centralandsouthamerica/argentina?action=show
> www.kwort.org      Kwort Linux Distribution
> www.lugro.org.ar   GNU/Linux User Group Rosario, Argentina
> Registered GNU/Linux User #358886
> "Say No to Trolls with no Balls!"
> "Netiquette o Tablas!!!"
> _______________________________________________
> Lugro-mesh mailing list
> Lugro-mesh@lugro.org.ar
> http://www.lugro.org.ar/mailman/listinfo/lugro-mesh
>

------=_Part_2853_23872335.1189195356287
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

Una cosa que me llama la atencion, es que parece que roofnet arranco usando placas Intersil Prism y despues se pasaron a Atheros, que permite el modo VAP y leer paquetes raw directamente del driver. Eran una red en capa 3 y se pasaron a 
2.5 ??? <br><br>Saludos / GUS<br><br><div><span class="gmail_quote">2007/9/7, Julio Cesar Puigpinos &lt;<a href="mailto:jcpuigpinos@gmail.com">jcpuigpinos@gmail.com</a>&gt;:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Esto es lo que comente ayer sobre este modo que habia visto.<br><br>Madwifi doc: <a href="http://madwifi.org/wiki/UserDocs/AhdemoInterface">http://madwifi.org/wiki/UserDocs/AhdemoInterface</a><br><br>Y en el paper roofnet-mobicom05, en el capitulo 
2.1 Hardware parrafo 3<br>(final pagina 2) dice:<br>&quot;Each node is equipped with an 802.11b wireless card based on the<br>Intersil Prism 2.5 chip-set. The radios transmit 200 milliwatts of<br>power, operate with RTS/CTS disabled, and
<br>all share the same 802.11b channel. The cards use a nonstandard<br>\pseudo-IBSS&quot; mode that is similar to standard 802.11b IBSS (or \ad<br>hoc&quot;) mode, in that nodes communicate<br>directly without access points. Pseudo-IBSS omits 
802.11&#39;s beacons and<br>BSSID (network ID) mechanism, solving IBSS mode&#39;s tendency to form<br>partitions which have different BSSIDs despite having the same network<br>ID. These partitions made it impossible to operate Roofnet reliably
<br>with IBSS mode.&quot;<br><br>Y creo que hay un elemento de Click propio o de Roofnet llamado<br>llamado pseudo-ibss o algo asi (Seba Criado lo habia encontrado).<br><br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Saludos, Julio
<br><br>--<br>NO A LA MATRICULA!!!: <a href="http://noalamatricula.wordpress.com/">http://noalamatricula.wordpress.com/</a><br>Software Freedom Day 15 de Septiembre<br><a href="http://softwarefreedomday.org/teams/centralandsouthamerica/argentina?action=show">
http://softwarefreedomday.org/teams/centralandsouthamerica/argentina?action=show</a><br><a href="http://www.kwort.org">www.kwort.org</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Kwort Linux Distribution<br><a href="http://www.lugro.org.ar">www.lugro.org.ar</a>
&nbsp;&nbsp; GNU/Linux User Group Rosario, Argentina<br>Registered GNU/Linux User #358886<br>&quot;Say No to Trolls with no Balls!&quot;<br>&quot;Netiquette o Tablas!!!&quot;<br>_______________________________________________<br>Lugro-mesh mailing list
<br><a href="mailto:Lugro-mesh@lugro.org.ar">Lugro-mesh@lugro.org.ar</a><br><a href="http://www.lugro.org.ar/mailman/listinfo/lugro-mesh">http://www.lugro.org.ar/mailman/listinfo/lugro-mesh</a><br></blockquote></div><br>

------=_Part_2853_23872335.1189195356287--