[Commotion-discuss] Next step:extend the range of a local mesh network.
LuigiScop
luigi.scopelliti at fastwebnet.it
Wed Aug 14 19:08:59 UTC 2013
rPi
OS Raspbian(wheezy) 2013-07-26
Linux raspberrypi 3.6.11+ #474 PREEMPT Thu Jun 13 2013 armv6l GNU/Linux
DellLatitude 4310
OS:Ubuntu 13.04
kernel 3.8.0-21-generic #32-Ubuntu SMP Tue May 14 22:17:37 UTC 2013 i686
i686 i686 GNU/Linux
carl9170 firmware:1.9.6. 2012-07-07
Luigi
Il 14/08/2013 17:30, Ben West ha scritto:
> Hi Luigi,
>
> USB wifi adapter compatibility is tricky for instances where you want
> the radio to broadcast multiple SSIDs (i.e. adhoc signal and a local
> AP signal). To date, I've only been able to get this working on
> TL-WN821N *v3* which uses the *ath9k_htc* driver, not v2 which uses
> the carl9170 driver. Likewise for the TL-WN722N. Even then, I had
> patch the ath9k_htc driver (patch for OpenWRT included) to make the
> radio do multiple SSIDs.
>
> On the other hand, if you are using the commotion-mesh-applet tool
> under a compatible desktop GUI like GNOME or Mate, it will only start
> a single adhoc interface, rather than multiple SSIDs. The caveat, at
> when I last tested that tool in March, was that it expected the USB
> wifi interface to be named "wlan0" rather something else like "wlan1."
>
> Could you respond with the OS and kernel versions on all machines
> involved, i.e. your laptop and the rPI? The USB wifi driver might
> also be a bit stale, too.
>
>
>
> On Wed, Aug 14, 2013 at 8:43 AM, LuigiScop
> <luigi.scopelliti at fastwebnet.it
> <mailto:luigi.scopelliti at fastwebnet.it>> wrote:
>
> Hi Dan,
> totally agree that main challenge is to pick up a good USB wireless.
> I have bought (1 month ago) theTP-Link TL_WN821N(V.2).The V.2(I
> found out later) is not in the Linux kernel. I had to install the
> firmware carl9170. Easy to make it works in managed mode.
> Still not working in ad-hoc mode.Not sure if it is a problem of
> the firmware( it should work also in ad-hoc) or the
> /etc/network/interfaces and wpa_supplicant setting.
> Assuming that TL_WN821N(v.2) works,could be helpful to have some
> info from you based on your experience.
> After I'll buy the TP-Link TL-WN722N
> Thanks.
>
> luigi
>
>
> On 13/08/2013 23:07, Dan Staples wrote:
>
> On 08/13/2013 04:56 PM, Dan Staples wrote:
>
> Hi Luigi,
>
> Glad to hear about all the successes!
>
> I have made a mesh network from Raspberry Pis before
> (battery-powered,
> even), so it's definitely possible. The main challenge is
> to pick a good
> USB wireless adapter. I recommend the TP-Link TL-WN722N
> [1], since its
> driver supports ad-hoc mode in recent Linux kernels.
>
> Then, you install your Raspberry Pi operating system (I
> recommend
> Raspbian), and configure the wireless adapter to be in
> ad-hoc mode with
> the correct SSID,BSSID,channel, etc. This is done in
> /etc/network/interfaces...if you need info on how to to
> that, I can give
> you resources.
>
> Then you can install and configure OLSRd on the Pi, so
> that it can mesh
> with the other devices. For an olsrd config file, you can
> look at
> /var/etc/olsrd.conf on one of your picostations for an
> example.
>
> Let us know how that goes!
>
> -Dan
>
>
> [1]
> http://www.tp-link.com/en/products/details/?model=TL-WN722N
>
> On 08/13/2013 12:04 PM, LuigiScop wrote:
>
> It was a pleasure to join Commotion team several
> months ago.
> With your support I was able to implement a local mesh
> newtwork with
> two routers (picostation), my two Linux LapTops and
> Iphone.
> I have also tested the capabiity of commotiont
> application portal by
> installing either Tidepools and MediGrid.
> Most of the time spent to play with the raspberry and
> after installing
> MediaGrid.
> Everything works.I tried to upload and share some
> music and the chat.
>
> Based on this experience I have some questions.
> a)How to make the Raspberry pi part of the Mesh?In my
> application I have
> connected it to the AP as external device.
> b)Is there any future for the integration of raspberry
> in the commotion
> network?
>
> Last question.
> c)My idea is to buy two Nanostations and to extend the
> range of my local
> mesh.
> Any suggestion based on your experience?
> To reach longer distances(1 to 2 miles)I would choose
> a 5Ghz (the power
> limit in Italy is 1 W output power at 5Ghz).Much more
> less for Wifi(15dbm).
> Thanks for your support and suggestions.
>
> Luigi
>
> Il 19/06/2013 14:00,
> commotion-discuss-request at lists.chambana.net
> <mailto:commotion-discuss-request at lists.chambana.net> ha
> scritto:
>
> Send Commotion-discuss mailing list submissions to
> commotion-discuss at lists.chambana.net
> <mailto:commotion-discuss at lists.chambana.net>
>
> To subscribe or unsubscribe via the World Wide
> Web, visit
> https://lists.chambana.net/mailman/listinfo/commotion-discuss
> or, via email, send a message with subject or body
> 'help' to
> commotion-discuss-request at lists.chambana.net
> <mailto:commotion-discuss-request at lists.chambana.net>
>
> You can reach the person managing the list at
> commotion-discuss-owner at lists.chambana.net
> <mailto:commotion-discuss-owner at lists.chambana.net>
>
> When replying, please edit your Subject line so it
> is more specific
> than "Re: Contents of Commotion-discuss digest..."
>
>
> Today's Topics:
>
> 1. Commotion installation on Linux laptop
> (LuigiScop)
> 2. Re: Commotion installation on Linux laptop
> (Dan Staples)
> 3. Material for a workshop on mesh networks
> (Alexander Chemeris)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 18 Jun 2013 21:37:36 +0200
> From: LuigiScop <luigi.scopelliti at fastwebnet.it
> <mailto:luigi.scopelliti at fastwebnet.it>>
> To: commotion-discuss at lists.chambana.net
> <mailto:commotion-discuss at lists.chambana.net>
> Subject: [Commotion-discuss] Commotion
> installation on Linux laptop
> Message-ID: <51C0B700.4000207 at fastwebnet.it
> <mailto:51C0B700.4000207 at fastwebnet.it>>
> Content-Type: text/plain; charset=ISO-8859-1;
> format=flowed
>
>
> Everything at home which has a wifi interface can
> be connected and the
> network(built by 2 picostations) is working as
> ad-hoc network.
> If the fridge,the oven or the stove had a
> wifi interface, they would
> be connected to commotionwireless.net
> <http://commotionwireless.net> too.
> The only issue I have found is that if I try
> to access internet with
> the linux laptop using the ad-hoc interface of
> the AP router,I can't.
> But if I use the router AP as master ,I can.
> I red somewhere that this feature is not
> avalable for laptop. Please
> confirm.
> On the other end if I connect a local web
> server to the POE LAN port
> of one router, I can have access to the web page
> also from the linux
> laptop through the ad-hoc interface of the
> router(picostation).
> As a demo to show the capabilities of
> commotion solution I would
> like to implement a Server application.
> Which application do you suggest first that
> can explain better the
> commotion solution capabilities?
> I need to recruit some people on ths project.
>
> Luigi
>
>
> _______________________________________________
> Commotion-discuss mailing list
> Commotion-discuss at lists.chambana.net
> <mailto:Commotion-discuss at lists.chambana.net>
> https://lists.chambana.net/mailman/listinfo/commotion-discuss
>
> When connecting your laptop to the picostation
> over ad-hoc, do you have
> olsrd running on the laptop? If so, and if the
> picostation has access to
> the internet, your laptop should get a route via
> olsrd to the internet
> as well.
>
> To troubleshoot this, try checking the output of
> "nc localhost 2006" (to
> show olsrd info), and "route -n" on the laptop to
> show local routes.
>
> As for applications, I would suggest either
> Tidepools (a local mapping
> application: http://www.tidepools.co/) or
> MediaGrid (a secure
> file-sharing and webchat application:
> https://github.com/danstaples/MediaGrid). They
> both require a good bit
> of tinkering to work well, but could be a fun
> project. Or you could try
> for something simpler to setup, like an Apache web
> server.
>
> Also, when you have the server set up, try using
> the application portal
> on the picostation
> (https://code.commotionwireless.net/projects/commotion/wiki/Application_Portal).
>
> When you "add an application", it will show up
> automatically on other
> routers nearby within a few minutes!
>
> Dan
>
>
>
>
> _______________________________________________
> Commotion-discuss mailing list
> Commotion-discuss at lists.chambana.net
> <mailto:Commotion-discuss at lists.chambana.net>
> https://lists.chambana.net/mailman/listinfo/commotion-discuss
>
>
> As for your other questions, we would like to have a Commotion
> image for
> Raspberry Pi, but it is not a top priority for now. Perhaps
> someone from
> the dev community can create one ;)
>
> And we often use Nanostations for connecting parts of a mesh
> network
> over longer distances. They work really well for that purpose, but
> aren't the best for providing access points since they are
> directional.
>
> -Dan
>
>
>
> _______________________________________________
> Commotion-discuss mailing list
> Commotion-discuss at lists.chambana.net
> <mailto:Commotion-discuss at lists.chambana.net>
> https://lists.chambana.net/mailman/listinfo/commotion-discuss
>
>
>
>
> --
> Ben West
> http://gowasabi.net
> ben at gowasabi.net <mailto:ben at gowasabi.net>
> 314-246-9434
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.chambana.net/pipermail/commotion-discuss/attachments/20130814/89b43eb2/attachment-0001.html>
More information about the Commotion-discuss
mailing list