Hi,

I think you should use a DLT value of:

#define DLT_MTP2                                      140                 /* MTP2, without pseudo-header */

#define DLT_MTP3                                      141                 /* MTP3, without pseudo-header or MTP2 */

And possibly a

#define WTAP_ENCAP_MTP2                                                                                       42

#define WTAP_ENCAP_MTP3                                                                                       43

BR

Anders

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Från: wireshark-users-bounces@xxxxxxxxxxxxx [mailto:wireshark-users-bounces@xxxxxxxxxxxxx] För Keith Fleming
Skickat: den 4 oktober 2006 17:06
Till: wireshark-users@xxxxxxxxxxxxx
Ämne: [Wireshark-users] Question about parsing raw MTP3

I have taken some raw SS7 MTP3 data from our application and have converted it to pcap format. Wireshark is able to pull this file in, but it is looking at it as if it was Ethernet. It is expecting the first six octets to be the MAC address, etc. It is MTP3 data, starting with the SIO octet, then the two 24 bit point codes, then the SLS, etc.

Is it possible to tell wireshark, “interpret this as MTP3 and don’t worry about there not being any link-level (or lower) data”

I’m thinking there has to be a way of short circuiting the lower layer dissectors. Any help is appreciated. Thanks in advance.

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