https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6146
--- Comment #1 from Anders Broman <anders.broman@xxxxxxxxxxxx> 2011-07-21 13:15:11 PDT ---
Hi,
Can you confirm if the dissection is correct up to a point? As RRC is per
encoded dissection can go astray if a bit to much is read...
If in fact SRB-InformationSetup-r5 is encoded then I think the encoding is
wrong
or using a different spec. than 3GPP TS 25.331 V9.2.1 (2010-04).
If you do edit->preferences->protocol->per and enable "Display internal..."
You can follow the dissection
SRB-InformationSetup-r5 ::= SEQUENCE {
-- The default value for rb-Identity is the smallest value not used yet.
rb-Identity RB-Identity
OPTIONAL,
rlc-InfoChoice RLC-InfoChoice-r5,
rb-MappingInfo RB-MappingInfo-r5
}
RLC-InfoChoice-r5 ::= CHOICE {
rlc-Info RLC-Info-r5,
same-as-RB RB-Identity
}
RLC-Info-r5 ::= SEQUENCE {
ul-RLC-Mode UL-RLC-Mode
OPTIONAL,
dl-RLC-Mode DL-RLC-Mode-r5
OPTIONAL,
rlc-OneSidedReEst BOOLEAN
}
DL-RLC-Mode-r5 ::= CHOICE {
dl-AM-RLC-Mode DL-AM-RLC-Mode-r5,
dl-UM-RLC-Mode DL-UM-RLC-Mode-r5,
dl-TM-RLC-Mode DL-TM-RLC-Mode
}
DL-RLC-Mode-r5 only has 3 "Choises" (0,1,2) so a choice of 3 is wrong.
Regards
Anders
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