| Bug ID |
10399
|
| Summary |
BGP4 : Wireshark skipped some potion of AS_PATH
|
| Product |
Wireshark
|
| Version |
1.12.0
|
| Hardware |
x86-64
|
| OS |
Windows 7
|
| Status |
UNCONFIRMED
|
| Severity |
Normal
|
| Priority |
Low
|
| Component |
Qt UI
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 13004 [details]
Photo and wireshark files
Build Information:
Version 1.12.0 (v1.12.0-0-g4fab41a from master-1.12)
Copyright 1998-2014 Gerald Combs <[email protected]> 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 (64-bit) with GTK+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
GLib 2.38.0, with WinPcap (4_1_3), with libz 1.2.5, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, without Python, with GnuTLS 3.1.22, with Gcrypt 1.6.0,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Jul 31 2014),
with
AirPcap.
Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 3.1.22, Gcrypt 1.6.0, without AirPcap.
Intel(R) Xeon(R) CPU W3550 @ 3.07GHz, with 12271MB of physical
memory.
Built using Microsoft Visual C++ 10.0 build 40219
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
--
----
Good day,
I am Debojyoti and am using Wireshar for a few days.
It has been seen that, Wireshark correctly decode the BGP packet but it is not
able to show the Path Type, Path segment and AS Path information in AS_PATH
attribute.
An example has been given below :
Attribute Flags = 0x40
0... = Well-known
.1.. = Transitive
..0. = Complete
...0 = Regular length
Attribute Type Code = AS_PATH (0x02)
Attribute Length = 12
------ AS_PATH Segment 1 ---
Path Segment Type = SEQUENCE (0x02)
Path Segment Length = 2 AS(s)
AS Path = 1 2
------ AS_PATH Segment 2 ---
Path Segment Type = SET (0x01)
Path Segment Length = 2 AS(s)
AS Path = 4 6
The hex code of this portion is given below :
40 02 0c 02 02 00 01 00 02 01 02 00 04 00 06
The hex code has been properly shown in the Wireshark GUI but when the packet
has been expanded wireshark shows still Attribute Length portion.
For further reference please check the attached photo and wireshark file.
It would be great if grammatical mistake are ignored.
If any further information is needed please inform me.
Thanks in advance.
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