Wireshark

Javier Cardona javier at cozybit.com
Mon Feb 25 14:50:47 EST 2008


John,

>  A version of wireshark which is patched to monitor the new mesh
>  protocol is available at:

Great!

>  I'm still not seeing RREQ traffic, but I haven't played
>  around with the new version much.

It all looks good to me.  I'm attaching a capture file with data and
path discovery traffic.
There you will see lots of correctly parsed PREQs and PREPs (see screenshot).

Thanks,

Javier


>  On Feb 21, 2008, at 2:54 PM, Javier Cardona wrote:
>
>  > On 2/21/08, John Watlington <wad at laptop.org> wrote:
>  >>
>  >>  Thanks for the reply.   What is your estimate of the difficulty
>  >>  in supporting the new mesh format ?
>  >>
>  >>  We were really hoping to examine the simple mesh traffic
>  >>  carefully next week, and this puts a big crimp in those plans.
>  >
>  > It would take me about three hours, including testing, generating the
>  > patch, etc.  I don't have that time this week but may work on it early
>  > next week.
>  >
>  > Javier
>  >
>  >>  wad
>  >>
>  >>
>  >>  On Feb 21, 2008, at 1:20 PM, Javier Cardona wrote:
>  >>
>  >>> John,
>  >>>
>  >>> The patch was up to date up until we had to change the format of
>  >>> broadcast traffic.  It has not been updated since.  Unicast traffic
>  >>> should still be parsed correctly.  Please contact Ronak if you
>  >>> want us
>  >>> to work on this.
>  >>>
>  >>> Cheers,
>  >>>
>  >>> Javier
>  >>>
>  >>> On 2/21/08, John Watlington <wad at laptop.org> wrote:
>  >>>>
>  >>>>  Yeah, but I was hoping not to have to parse each packet
>  >>>> manually to
>  >>>>  determine if it is carrying data (TCP,UDP,etc.) or Path/Route
>  >>>> discovery
>  >>>>  traffic.
>  >>>>
>  >>>>  So nobody has patched wireshark to actually decipher mesh
>  >>>> traffic ?
>  >>>>
>  >>>>  wad
>  >>>>
>  >>>>
>  >>>>  On Feb 21, 2008, at 9:31 AM, Ricardo Carrano wrote:
>  >>>>
>  >>>>> Isn't the LLC traffic what you're looking for?
>  >>>>> I see a lot of multicast traffic on your file, particularly to
>  >>>>> 01:00:5e:7f:47:31. They are LLC.
>  >>>>>
>  >>>>> On Thu, Feb 21, 2008 at 10:38 AM, John Watlington <wad at laptop.org>
>  >>>>> wrote:
>  >>>>>
>  >>>>> My screen looks like the screen shot you sent when looking at
>  >>>>> that data.   I can see the mesh headers on the pings.
>  >>>>>
>  >>>>> Take a look at the data I pointed to.   It tried to record a
>  >>>>> session
>  >>>>> of a number of laptops collaborating.   I set the capture mask
>  >>>>> to 7 (beacons, link layer, and data).   But all I see in wireshark
>  >>>>> is beacons and LLC traffic.
>  >>>>>
>  >>>>> Given your data and screenshot, this is user error not misapplied
>  >>>>> patch...   Still, is there any way to dig deeper into simple mesh
>  >>>>> traffic ?
>  >>>>>
>  >>>>> wad
>  >>>>>
>  >>>>> On Feb 21, 2008, at 8:15 AM, Ricardo Carrano wrote:
>  >>>>>
>  >>>>>> <capture.dump>
>  >>>>>
>  >>>>>
>  >>>>
>  >>>>
>  >>>
>  >>>
>  >>> --
>  >>> Javier Cardona
>  >>> cozybit Inc.
>  >>
>  >>
>  >
>  >
>  > --
>  > Javier Cardona
>  > cozybit Inc.
>
>


-- 
Javier Cardona
cozybit Inc.
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