I am trying to capture RSSI values and TX rates for an 802.11 network
in Wireshark under Ubuntu.
I was using
ifconfig wlan0 down
iw dev wlan0 interface add mon0 type monitor
ifconfig mon0 up
which was working as desired for a while, as suggested on this list.
However, now I am only picking up packets of type "Other" when sniffing on
mon0. Why is this the case, and how can I correct it?
Thanks for your help in advance.
Tal
> Yes, I was capturing on wlan0. I created the monitor (using wlan0
> instead of wmaster0 in the first command, though) and it seemed to
capture RSSI and TX rate as desired.
> ifconfig -a has eth0, lo, mon0, pan0, wlan0, and wmaster0, with much
> information about these.
>
> Thanks,
> Tal
>
>>
>> On Dec 29, 2008, at 2:08 PM, Tal Rusak wrote:
>>
>>> For TCP packets, which I am interested in:
>>> Frame #
>>> Ethernet II
>>> Internet Protocol
>>> Transmission Control Protocol
>>> I hope this answers your question.
>>
>> Yes. You're probably capturing on the wlan0 interface, which supplies
fake Ethernet headers. There might also be a wmaster0 device, which
supplies 802.11 headers, but without the radio information. (What's
the output of "ifconfig -a"?)
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