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<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>Thank you Andrew and Punky,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'> I made the first links using one wrap
in Master mode with 802.11g, in this mode I can successfully connect to the AP
with my laptop getting up to 24 Mbps of ftp transfer rate. <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>Then I have switched two Wraps in
Ad-Hoc mode and 802.11a giving the same SSID to both the Wrap and then I have
tried a link within few meters. I have connected a PC via eth0 to each Wrap,
then I tried to exchange IP traffic between the PCs. I can exchange IP traffic between
the two clients but at very low speed < 1 Mbps and with iwconfig "saying"
that the speed was 0 kbps.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>Maybe it’s an IP configuration
problem. <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>I use the following IP configuration
for both the clients of the bridge, this is the interfaces file for one client:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'>auto eth0<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'>iface eth0 inet
static<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'> address
192.168.2.11<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'> netmask 255.255.255.0<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'><o:p> </o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'>auto ath0<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'>iface ath0 inet
static<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'> address
192.168.2.1<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'> netmask
255.255.255.0<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'> broadcast
192.168.2.255 <o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'> up iwconfig
ath0 essid VOYAGEM mode Ad-Hoc<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'> up nat.sh
ath0 eth0 "192.168.2.0/24"<o:p></o:p></span></font></i></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>Then I have created a script file
inserted in the if-up.d directory:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><i><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%;font-style:italic'>iwpriv ath0 mode 1<br>
<br>
iwconfig ath0 enc off<br>
<br>
<br>
#Bridge<br>
brctl addbr br0<br>
brctl addif br0 eth0<br>
brctl addif br0 ath0<br>
ifconfig br0 192.168.2.21 netmask 255.255.255.0<br>
ifconfig br0 up<br>
#<st1:place w:st="on"><st1:PlaceName w:st="on">End</st1:PlaceName> <st1:PlaceType
w:st="on">Bridge</st1:PlaceType></st1:place><br>
</span></font></i><span lang=EN-GB><o:p> </o:p></span></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>The IP configuration was the
following:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Client1 Client2<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>ath0: 192.168.2.1 ath0:192.168.2.2<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>eht0: 192.168.2.11 eht0:192.168.2.12<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>br0: 192.168.2.21 br0:
192.168.2.22<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>PC: 192.168.2.31 PC:
192.168.2.32<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>I haven’t used route rules
because surprisingly the two PCs could see each other without any route rule. It’s
seems a little strange, I haven’t fully understood why.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>Looking at the Andrew example I have
understood that it’s not necessary to assign an IP to the ath0 and eth0
when they are bridged, is it correct? <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>Thanks for the advices.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Tommaso<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span lang=EN-GB
style='font-size:10.0pt;line-height:150%'>-----Messaggio originale-----<br>
Da: Punky Tse [mailto:</span>punkytse@punknix.com] <br>
Inviato: lunedė 6 febbraio 2006 6.01<br>
A: Punky Tse<br>
Cc: Tommaso; voyage-linux@voyage.hk<br>
Oggetto: Re: [Voyage-linux] How to realize a Point to Point Connection</font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Tommaso,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>I got your meaning wrong... I thought you are talking
about long <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>distance link.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>What mode (a/b/g) do you run master mode before and
what mode for <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Ad-hoc? It sounds like you set 11b/g mode in master
and then switch to <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>11a for ad-hoc? If using 11a, does the antenna
support 5 GHz?<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>The one of the difference betweeen pre1 nad pre3 is
madwifi driver. <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>pre1 uses madwifi-old while pre3 uses madwifi-ng
(r1408). I had tested <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>the madwifi-ng with Ad-hoc and it can even communicate
to RM2 (prism54) <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>with good throughput in 11b/g mode (e.g. downloading
Apple movie <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>trailer). If pre3 makes no difference then its not
driver problem.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>- Punky<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Punky Tse wrote:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>> Tommaso,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>> It is a tricky for tuning madwifi for long
distance link. See:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>> http://madwifi.org/wiki/UserDocs/LongDistance<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>> Punky<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>> Tommaso wrote:<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> Hi to all,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> I’m actually using the 0.2pre1 version
over a Wrap board with one CM9 <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> card. I have no problem having the ath0
interface working in Master <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> Mode, I get a very good Access Point. Now
I’m interested in testing <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> the possibility to perform long (><st1:metricconverter
ProductID="5 Km" w:st="on">5 Km</st1:metricconverter>) point to point links.
I’m not <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> a 802.11a-guru, so maybe I’m wrong, but
I have put the ath interface <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> of both clients in Ad-Hoc mode with the same
SSID. I get the two <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> clients connecting each other but with a very
very low speed < 1Mps, <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> the iwconfig reports 0 Kbps even if the
received signal is bigger <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> than -18 dBm (when the two clients are few
meters away). I have <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> changed the radio cards and the antenna, but
it definitely seem a <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> software problem.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> It’s a problem of the madwifi driver
included in the 0.2pre1?<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> Tomorrow I will update to the 0.2pre3
version, but I would to know if <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> the Ad-Hoc mode is the best one for a point
to point link; in fact, <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> reading the madwifi-ng documentation I am a
bit confused since you <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> can use both the Ad-Hoc (iwconfig) mode and
the WDS functionality <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> putting one client in STA mode and the other
one in AP mode.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> Thanks.<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> Tommaso<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>>
------------------------------------------------------------------------<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>>
_______________________________________________<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> Voyage-linux mailing list<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> Voyage-linux@list.voyage.hk<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>>
http://list.voyage.hk/mailman/listinfo/voyage-linux<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>>> <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>-- <o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Regards,<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Punky<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>P U N K N ! X . c o m<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Technology + Lifestyle<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>(http://www.punknix.com)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>Voyage Linux<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'>(http://www.voyage.hk/software/voyage.html)<o:p></o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
<p class=MsoPlainText><font size=2 face="Courier New"><span style='font-size:
10.0pt;line-height:150%'><o:p> </o:p></span></font></p>
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