https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5304
Summary: [NAS EPS] Enhance dissection of APN-AMBR IE
Product: Wireshark
Version: SVN
Platform: Other
OS/Version: Windows XP
Status: NEW
Severity: Minor
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: pascal.quantin@xxxxxxxxx
Pascal Quantin <pascal.quantin@xxxxxxxxx> changed:
What |Removed |Added
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Attachment #5317| |review_for_checkin?
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Created an attachment (id=5317)
--> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=5317)
APN-AMBR dissection enhancement
Build Information:
Version 1.5.0 (SVN Rev 34529 from /trunk)
Copyright 1998-2010 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled with GTK+ 2.16.6, (32-bit) with GLib 2.24.2, with WinPcap (version
unknown), with libz 1.2.3, without POSIX capabilities, without libpcre, with
SMI
0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.8.5, with
Gcrypt 1.4.5, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built
Oct
14 2010), with AirPcap.
Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1.2
(packet.dll version 4.1.0.2001), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.8.5, Gcrypt 1.4.5, without AirPcap.
Built using Microsoft Visual C++ 9.0 build 30729
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
The attached patch enhances the dissection of the APN-AMBR IE by displaying the
total APN-AMBR as specified in 3GPP 24.301 chapter 9.9.4.2.
Here is an example of the output once applied:
Non-Access-Stratum (NAS)PDU
0000 .... = Security header type: Plain NAS message, not security protected
(0)
.... 0111 = Protocol discriminator: EPS mobility management messages (7)
NAS EPS Mobility Management Message Type: Attach accept (0x42)
0000 .... = Spare half octet: 0
.... 0... = Spare bit(s): 0x00
.... .001 = Attach result: EPS only (1)
GPRS Timer: 10 sec
000. .... = Unit: value is incremented in multiples of 2 seconds (0)
...0 0101 = Timer value: 5
Tracking area identity list - TAI list
Length: 6
0... .... = Spare bit(s): 0x00
.01. .... = Type of list: list of TACs belonging to one PLMN, with
consecutive TAC values (1)
...0 0000 = Number of elements: 0 [+1 = 1 element(s)]
Mobile Country Code (MCC): Unknown (588)
Mobile Network Code (MNC): Unknown (71)
Tracking area code(TAC): 0x007b
ESM message container
Length: 87
ESM message container contents:
5201c105070000000022046767736e056e6f6b696103636f...
0101 .... = EPS bearer identity: 0x05
.... 0010 = Protocol discriminator: EPS session management messages
(2)
Procedure transaction identity: 1
NAS EPS session management messages: Activate default EPS bearer
context request (0xc1)
EPS quality of service
Length: 5
Quality of Service Class Identifier (QCI): QCI 7 (7)
UE->NW Subscribed maximum bit rate for uplink/ NW->UE Reserved
UE->NW Subscribed maximum bit rate for downlink/ NW->UE
Reserved
Guaranteed bit rate for uplink : 0 kbps
Guaranteed bit rate for downlink : 0 kbps
Access Point Name
Length: 34
APN: ggsn.nokia.com.mnc071.mcc588.gprs
PDN address
Length: 5
0000 0... = Spare bit(s): 0x00
PDN type: IPv4 (1)
PDN IPv4: 10.106.208.114 (10.106.208.114)
APN aggregate maximum bit rate
Element ID: 94
Length: 6
APN-AMBR for downlink : 8640 kbps
APN-AMBR for uplink : 8640 kbps
APN-AMBR for downlink (extended) : 64 Mbps
APN-AMBR for uplink (extended) : 48 Mbps
APN-AMBR for downlink (extended-2) : 39936 Mbps
Total APN-AMBR for downlink: 40008.640 Mbps
APN-AMBR for uplink (extended-2) : 29952 Mbps
Total APN-AMBR for uplink : 30008.640 Mbps
Protocol Configuration Options
Element ID: 39
Length: 27
1... .... = Ext: 0x01
Configuration Protocol: PPP(0)
Protocol: IP Control Protocol (32801)
Length: 0x0a (10)
PPP IP Control Protocol
Code: Configuration Ack(0x02)
Identifier: 0x00
Length: 10
Options: (6 bytes)
Primary DNS server IP address: 172.28.30.48
Protocol: IP Control Protocol (32801)
Length: 0x0a (10)
PPP IP Control Protocol
Code: Configuration Ack(0x02)
Identifier: 0x00
Length: 10
Options: (6 bytes)
Secondary DNS server IP address: 172.28.30.49
EPS mobile identity - GUTI
Element ID: 80
Length: 11
.... 0... = odd/even indic: 0
.... .110 = Type of identity: GUTI (6)
Mobile Country Code (MCC): Unknown (588)
Mobile Network Code (MNC): Unknown (71)
MME Group ID: 100
MME Code: 255
M-TMSI: 0x00000002
GPRS Timer - T3402 value
Element ID: 23
GPRS Timer: 12 min
001. .... = Unit: value is incremented in multiples of 1 minute (1)
...0 1100 = Timer value: 12
GPRS Timer - T3423 value
Element ID: 89
GPRS Timer: 54 min
010. .... = Unit: value is incremented in multiples of decihours
(2)
...0 1001 = Timer value: 9
--
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