Wireshark-bugs: [Wireshark-bugs] [Bug 2509] SCCP dissector - assoc->calling_ssn or assoc-> calle
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 30 Apr 2008 04:04:24 -0700 (PDT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2509





--- Comment #7 from João Fonseca <j.pedro.fonseca@xxxxxxxxxxxxxxx>  2008-04-30 04:04:21 GMT ---
Output from "tshark -V" below. I took it from the original capture file. The
file containing only the two frames is working (on wireshark, it doesn't).



Frame 10 (48 bytes on wire, 48 bytes captured)
    Arrival Time: Apr 22, 2008 00:56:48.224721000
    [Time delta from previous captured frame: 3.993328000 seconds]
    [Time delta from previous displayed frame: 3.993328000 seconds]
    [Time since reference or first frame: 431.688799000 seconds]
    Frame Number: 10
    Frame Length: 48 bytes
    Capture Length: 48 bytes
    [Frame is marked: False]
    [Protocols in frame: atm:sscop:sscf-nni:mtp3:sccp:sccpmg]
ATM
    Channel: DCE->DTE
    AAL: Signalling AAL
    VPI: 4
    VCI: 33
    Cells: 1
    Padding
    AAL5 UU: 0x00
    AAL5 CPI: 0x00
    AAL5 len: 28
    AAL5 CRC: 0x4D53BA91 (correct)
SSCOP
    .... 1000 = PDU Type: Sequenced Data (0x08)
    N(S): 117
    Pad length: 2
SSCF-NNI
Message Transfer Part Level 3
    Service information octet
        10.. .... = Network indicator: National network (0x02)
        ..00 .... = Spare: 0x00
        .... 0011 = Service indicator: SCCP (0x03)
    Routing label
        .... .... .... .... ..00 0001 0000 1000 = DPC: 264
        .... 0000 1001 1010 00.. .... .... .... = OPC: 616
        0011 .... .... .... .... .... .... .... = Signalling Link Selector: 3
Signalling Connection Control Part
    Message Type: Unitdata (0x09)
    .... 0000 = Class: 0x00
    0000 .... = Message handling: No special options (0x00)
    Pointer to first Mandatory Variable parameter: 3
    Pointer to second Mandatory Variable parameter: 5
    Pointer to third Mandatory Variable parameter: 7
    Called Party address (2 bytes)
        Address Indicator
            .1.. .... = Routing Indicator: Route on SSN (0x01)
            ..00 00.. = Global Title Indicator: No Global Title (0x00)
            .... ..1. = SubSystem Number Indicator: SSN present (0x01)
            .... ...0 = Point Code Indicator: Point Code not present (0x00)
        SubSystem Number: SCCP management (1)
        [Linked to SCCPMG]
    Calling Party address (2 bytes)
        Address Indicator
            .1.. .... = Routing Indicator: Route on SSN (0x01)
            ..00 00.. = Global Title Indicator: No Global Title (0x00)
            .... ..1. = SubSystem Number Indicator: SSN present (0x01)
            .... ...0 = Point Code Indicator: Point Code not present (0x00)
        SubSystem Number: SCCP management (1)
        [Linked to SCCPMG]
Signalling Connection Control Part Management
    Message Type: SubSystem Allowed (0x01)
    Affected SubSystem Number: 142
    ..00 0011 0110 0000 = Affected Point Code: 864
    .... ..00 = Subsystem Multiplicity Indicator: 0

Frame 11 (144 bytes on wire, 144 bytes captured)
    Arrival Time: Apr 22, 2008 01:01:38.202740000
    [Time delta from previous captured frame: 289.978019000 seconds]
    [Time delta from previous displayed frame: 289.978019000 seconds]
    [Time since reference or first frame: 721.666818000 seconds]
    Frame Number: 11
    Frame Length: 144 bytes
    Capture Length: 144 bytes
    [Frame is marked: False]
    [Protocols in frame: atm:sscop:sscf-nni:mtp3:sccp:sccpmg]
ATM
    Channel: DTE->DCE
    AAL: Signalling AAL
    VPI: 4
    VCI: 33
    Cells: 3
    Padding
    AAL5 UU: 0x00
    AAL5 CPI: 0x00
    AAL5 len: 108
    AAL5 CRC: 0x8D2C7CD9 (correct)
SSCOP
    .... 1000 = PDU Type: Sequenced Data (0x08)
    N(S): 1071
    Pad length: 3
SSCF-NNI
Message Transfer Part Level 3
    Service information octet
        10.. .... = Network indicator: National network (0x02)
        ..00 .... = Spare: 0x00
        .... 0011 = Service indicator: SCCP (0x03)
    Routing label
        .... .... .... .... ..00 0010 0110 1000 = DPC: 616
        .... 0000 0100 0010 00.. .... .... .... = OPC: 264
        0000 .... .... .... .... .... .... .... = Signalling Link Selector: 0
Signalling Connection Control Part
    Message Type: Connection Request (0x01)
    Source Local Reference: 0x000000
    .... 0010 = Class: 0x02
    Pointer to first Mandatory Variable parameter: 2
    Pointer to Optional parameter: 6
    Called Party address (4 bytes)
        Address Indicator
            .1.. .... = Routing Indicator: Route on SSN (0x01)
            ..00 00.. = Global Title Indicator: No Global Title (0x00)
            .... ..1. = SubSystem Number Indicator: SSN present (0x01)
            .... ...1 = Point Code Indicator: Point Code present (0x01)
        ..00 0010 0110 1000 = PC: 616
        SubSystem Number: RANAP (142)
        [Linked to RANAP]
    Hop Counter: 0x0f
    End of Optional
Signalling Connection Control Part Management
    Message Type: Unknown (0x00)
    Unknown message (78 bytes)


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