Capturing wireless traffic on the xo

[Rafael Enrique Ortiz Guerrero]

Hi all,

i've put this procedure in the wiki:

http://wiki.laptop.org/go/Wireless

Feel free to add or correct the information.

 Cheers!
On 10/22/07, Javier Cardona <javier at cozybit.com> wrote:
>
> Bernie,
>
> As requested, here are the steps to capture wireless traffic on the xo:
>
> pre-req:
>
> yum install tcpdump
> killall NetworkManager
>
> then:
>
> echo $TRAFFIC_MASK > /sys/class/net/msh0/device/libertas_rtap
> ifconfig rtap0 up
> tcpdump -i rtap0 -w capture.dump
>
> TRAFFIC_MASK bits:
>
> Data frames: 0x1
> Mgmt frames but beacons: 0x2
> Beacons: 0x4
>
> You can then open capture.dump with wireshark.  To interpret mesh
> traffic correctly, you will want to compile wireshark with this patch:
>
> https://cozybit1.dnsalias.org/~javier/patches/wireshark-0.99.5-fw-5.220.11-support.patch
>
> Let me know if you have any questions.
>
> Cheers,
>
> Javier
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>



-- 
Rafael Enrique Ortiz Guerrero
One Laptop Per Child
rafael at laptop.org
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