Wireshark-bugs: [Wireshark-bugs] [Bug 10836] e212.mcc / e212.mnc filter for both ULI and RAI
Comment # 4
on bug 10836
from Anders Broman
(In reply to Michael from comment #3)
> (In reply to Anders Broman from comment #2)
> > Having a common filter for e212 can be advantigous if you want to find a
> > certain e212 number across protocols and it was easier to code it this way
> > of course.
> >
> > As an enhancement perhaps dissect_e212_mcc_mnc() should take a hf_id(or do
> > we need 2 hf:s?) as input and if not -1 use that and add the e212 filter as
> > generated or something like that.
>
> Hello Anders!
>
> Understood. Concerning GTP I can say from practical experience that it has
> happened that some mobile phone operators send one RAI value and a different
> ULI parameter.
>
> For example Telefonica Spain:
>
> -----------------------------
> Dear colleagues,
>
> We use this MNC 99 in ULI (user location information) for some of our
> services.
>
> Anyway, please you can use MNC in RAI (routing area identity) field. In RAI
> you can see the right MNC 07 and MCC 214.
> -----------------------------
>
> Meaning they send MCC 214 MNC 07 in the RAI and MCC 214 MNC 99 in the ULI.
>
> I doubt that this is correct behavior of Telefonica, however with the
> current Wireshark implementation it is not possible to filter these cases
> out. Also I cannot estimate what parameter has a higher priority when I use
> e212.mcc and e212.mnc.
What would be the prefered filter/output?
RAI 21407
+ MCC 214
+ MNC 07
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