Ethereal-dev: Re: [Ethereal-dev] SS7 ISUP

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From: Jeff Morriss <jeff_morriss@xxxxxxxxxxx>
Date: Wed, 14 Jul 2004 11:20:41 -0400

Michael and Dimitar,

Michael Tuexen wrote:

[...]


The other stuff which needs to be done is the sniffing
support. There you need to extend the libpcap to work
with the SS7 card. I have no idea how difficult this might
be, but it would definitely be great. Possibly someone
else on the list can provide more help on this topic?

Do you get some software with the SS7 card which allows
you to capture traffic and write it to a disk file. We
could add support for reading such files to ethereal.
In fact the PCAP file format already supports storing MTP2 or MTP3 directly (LINKTYPE_RAWSS7_MTP2 and LINKTYPE_RAWSS7_MTP3 for libpcap users or WTAP_ENCAP_MTP2 and LINKTYPE_ENCAP_MTP3 for wiretap users).
So all that's really necessary to do the 2nd case above is to somehow write the MSUs to a PCAP file on disk--Ethereal is already capable of reading that file. 

Regards,
-Jeff


On Jul 14, 2004, at 8:49 AM, Dimitar Stoichev wrote:


Hello everybody,
I was wondering is there any development in the direction of sniffing SS7
traffic from a real (septel) SS7 card, that does not utilize sigtran. Please 
share any information on ways to do that. Is this on the roadmap at all?

Best Regards
Dimitar