Re: Simple GSM traffic monitoring

[Johnny R <vasiana09 () gmail com>]

Hi Christopher,

thank you for your quick reply, I am using Wireshark 1.4.2  and running it
on  FreeBSD 8.0-, I see both  all the packets printed on the screen and
also written on file. The capture filter I am using is the same I was using
on wireshark (and it worked there) , so I have no doubt that is correct.

Regards,



On Thu, Feb 7, 2013 at 7:39 PM, Christopher Maynard <
Christopher.Maynard () gtech com> wrote:

> Johnny R <vasiana09@...> writes:
>
> > Hi list,I am struggling right with tiny issue, actually, I am trying to
> get
> the whole traffic on A interface, setup the right capture filter "ether
> host
> 00:1f:12:a3:48:3f " and everything is fine when using the gui
> (wireshark),but
> when trying to capture the same traffic with tshark, nothing :'(   Below
> the
> command I used
> >                    "tshark -i em1  -f "ether host 00:1f:12:a3:48:3f "
> -VVVVVV
> -p -a filesize:10000 -w bssap_em1_$now.pcap".So my question is, since I am
> little convinced that the above command is fine, is there a "real-time"
> issue
> with tshark ?
>
>
> First, what version of Wireshark are you using?
>
> Is the problem that you don't see anything printed to the screen or that no
> packets are being written to the capture file, or both?
>
> Did you confirm that the Ethernet address is correct for the em1 interface?
>
>
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