Re: basic usage problem

["kurt.jensen () us ophiropt com" <kurt.jensen () us ophiropt com>]

> Is it possible that the data frames are being dissected incorrectly as another protocol by Wireshark (so that they 
> don't show as UDP in the protocol column) ?

No.  There should be 25 data packets containing 8k plus headers.  There are very few packets. The largest is 566 bytes. 
 

-----Original Message-----
From: wireshark-users-bounces () wireshark org [mailto:wireshark-users-bounces () wireshark org] On Behalf Of Bill Meier
Sent: Wednesday, December 12, 2012 9:46 AM
To: Community support list for Wireshark
Subject: Re: [Wireshark-users] basic usage problem

On 12/12/2012 11:20 AM, Bill Meier wrote:
> On 12/12/2012 9:59 AM, kurt.jensen () us ophiropt com wrote:
> > Just installed Wireshark and started capture. Plugged in our GigE 
> > camera under development.  Connected and collected a frame of data.
> >
> > Wireshark shows all of the GVCP requests and answers.  Very nice!  
> > But I am not seeing any of the UDP data.  I have no filters set, just 
> > selected the interface then slicked start. I have run Wireshark 
> > before on another computer where the UDP data just showed up along with the GVCP packets.
> > I know the data is there because my PC app displays the image. But 
> > not in Wireshark.
> >
> > How do I get the UDP data?
> >
> > Kurt
>
> I'm not sure I understand.
>
> It appears that GVCP is carried over UDP so it sounds like you are 
> saying that only certain UDP frames are missing.
>
> Is the "data" carried over the GVCP protocol ?
>
> If so, I would expect the data show up as being under the GVCP layer 
> of the protocol tree (as opposed to the frames just showing as UDP.
> IOW: the "protocol" column would show GVCP as opposed to UDP.
>
> (I've no knowledge of the GVCP protocol so I may be off-base).

Update: It seems that there's a separate protocol (GVSP) for transferring data so ignore my comment above.

Is it possible that the data frames are being dissected incorrectly as another protocol by Wireshark (so that they 
don't show as UDP in the protocol column) ?





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