Wireshark-bugs: [Wireshark-bugs] [Bug 8562] New dissector for ISO 10747 Interdomain Routeing Pro

Date: Tue, 23 Apr 2013 22:04:56 +0000

Comment # 26 on bug 8562 from
(In reply to comment #25)
> (In reply to comment #21)
> > (In reply to comment #19)
> > > Created attachment 10634 [details]
> > > Corrigendum of the "ATN Security Label" decoding on CLNP/IDRP PDU's
> > > 
> > > The traffic type "ATN security label" of IDRP PDUS seems to be incorrectly
> > > reported as "unknown". Acording to the ATN SARPS "System management" PDU's
> > > shall be flagged with 0x60 in the Traffic Type section of the "ATN security
> > > label".
> > 
> > I'm not at all familiar with these protocols, couldn't google a spec for
> > this.
> > Do you have a link?
> > 
> > I should be able to see this if I filter for clnp.atn.tt, right? Do I need a
> > different capture file to see the problem?
> 
> Why not filter for "idrp", "idrp.open.hold-time"  etc. ?
> 
> Using "clnp.xxx" you would get properties of the "clnp" dissector, I guess,
> but IDRP is a separate dissector.
> 
> Or what was the question?

You reported the problem that ATN_TT_SYS_MGMT_NO_PREFERENCE has a wrong value.
I tried to find out where this is used and the problem can be seen.

It's used in osi_opt_sec_atn_tt_vals, this is assinged to hf_clnp_atntt. So I
was hoping to see the problem you reported when I filter clnp.atn.tt. However,
this did not match any packet in your caputure.


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