Wireshark-bugs: [Wireshark-bugs] [Bug 4433] Weong decoding of LTE S1AP UEContextReleaseCommand
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 28 Jan 2010 09:24:52 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4433

Anders Broman <anders.broman@xxxxxxxxxxxx> changed:

           What    |Removed                     |Added
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                 CC|                            |anders.broman@xxxxxxxxxxxx

--- Comment #1 from Anders Broman <anders.broman@xxxxxxxxxxxx> 2010-01-28 09:24:50 PST ---
If you go to Edit->preferences->protocols->Per and tick the box
"Display internal PER fields"
You will see:
uE-S1AP-ID-pair
..1. .... Extension Bit: True
...1 .... Optional Field Bit: True (iE-Extensions is present)
:
The asn1 cding used in Wireshark is:
UE-S1AP-ID-pair ::= SEQUENCE{
    mME-UE-S1AP-ID        MME-UE-S1AP-ID,
    eNB-UE-S1AP-ID        ENB-UE-S1AP-ID,
    iE-Extensions        ProtocolExtensionContainer { {UE-S1AP-ID-pair-ExtIEs}
} OPTIONAL,
    ...
}

It looks to me like the extension bit and Optional field bit should have been
0.
Is 

mME-UE-S1AP-ID: 33
eNB-UE-S1AP-ID: 16
Dissected correctly? Right values? It is possible that the dissection goes
wrong earlier do you know the expected dissection result?

Regards
Anders

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