Re: Enabling protocol in Decode As dialog

[Robert Cragie <robert.cragie () gmail com>]

It doesn't run on top of UDP in the conventional sense but practically and
for the purposes of this discussion, yes it does. Thanks for your help -
just what I needed.

Robert

On 9 June 2016 at 08:54, Guy Harris <guy () alum mit edu> wrote:

> On Jun 8, 2016, at 11:10 PM, Robert Cragie <robert.cragie () gridmerge com>
> wrote:
>
> > It's basically an 802.15.4 MAC frame plus an additional byte at the
> beginning placed into the payload of a UDP datagram.
>
> So the answer to my question is "it runs atop UDP".
>
> So:
>
>         if there's a standard UDP port number atop which it runs, you
> should...
>
> > The only thing the CoAP dissector does in addition is to add a port
> using dissector_add_uint()
>
>         ...register it in the "udp.port" dissector with that port number;
>
>         if there *is* no standard UDP port number atop which it runs, you
> should register it in the "udp.port" dissector with a call to
> dissector_add_for_decode_as().
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