Ethereal-users: Re: [Ethereal-users] ethereal M3UA SCCP and TCAP

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From: "John Vincent" <jpv@xxxxxxxxxxx>
Date: Fri, 5 Mar 2004 10:56:15 +0100
Hi,

Thanks for the answer. I've only downloaded the windows installer. From your
comments it looks like you're suggesting I recompile to decode the
sub-system numbers I'm interested in. It seems strange to me... when does
SCCP carry anything other than TCAP? Never as far as I know (I'm sure other
will correct my if I'm wrong)

I now have two questions: what do I need to compile ethereal on windows? (I
have cygwin, will that help?) ... and would it be possible for there to be
some kind of setting in the GIU to decide what SSNs to handle in TCAP.

I've just thought of a third question which may help me more: Is there a way
to change the SSNs in the trace file to ones that will trigger the TCAP
decoder?

Sorry I only have questions, I'm new to ethereal, but maybe one day I'll be
able to contribute something back ...

/John.

-------------------
John Vincent.
Teligent, Stockholm

Date: Fri, 5 Mar 2004 01:02:43 +0100
From: Michael Tuexen <Michael.Tuexen@xxxxxxxxxxxxxxxxx>
Subject: Re: [Ethereal-users] ethereal M3UA SCCP and TCAP
To: Ethereal user support <ethereal-users@xxxxxxxxxxxx>
Message-ID: <6D45DC54-6E38-11D8-AF74-000A95DC192A@xxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=US-ASCII; format=flowed

Hi,

the TCAP decoder currently registers for the following SSNs:

     dissector_add("sccp.ssn", 5, tcap_handle); /* MAP*/
     dissector_add("sccp.ssn", 6, tcap_handle); /* HLR*/
     dissector_add("sccp.ssn", 7, tcap_handle); /* VLR */
     dissector_add("sccp.ssn", 8, tcap_handle); /* MSC */
     dissector_add("sccp.ssn", 9, tcap_handle); /* EIR */
     dissector_add("sccp.ssn", 10, tcap_handle); /* EIR */
     dissector_add("sccp.ssn", 11, tcap_handle); /* SMS/MC */
     dissector_add("sccp.ssn", 12, tcap_handle); /* IS41 OTAF */

Since INAP is not listed here, it is not supported. Someone
has to provide an INAP dissector.

Best regards
Michael


On Mar 4, 2004, at 10:34 PM, John Vincent wrote:

> Hi,
>
> I've got a M3UA link carrying SCCP, which is carrying TCAP, (which is
> then
> carrying INAP CS1).
>
> I can see that there is a TCAP decoder, but I can't see how to get it
> to
> decode the SCCP payload. I'm using ethereal version 0.10.2 for windows.
>
> Any help would be greatly appreciated.
>
> Thanks,
> /John.
> -------------------
> John Vincent.
> Teligent, Stockholm
>
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