Wireshark-bugs: [Wireshark-bugs] [Bug 3181] New: Wrong checksum corrupted message with IS-IS
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3181
Summary: Wrong checksum corrupted message with IS-IS
Product: Wireshark
Version: 1.0.4
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: Minor
Priority: Low
Component: Wireshark
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: fab12@xxxxxxxxxxx
Build Information:
Version 0.99.8-SVN-24217 (SVN Rev 24217)
Copyright 1998-2008 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+ 2.12.5, with GLib 2.14.5, with WinPcap (version unknown),
with libz 1.2.3, with libpcre 6.4, with SMI 0.4.5, with ADNS, with Lua 5.1,
with
GnuTLS 1.6.1, with Gcrypt 1.2.3, with MIT Kerberos, with PortAudio PortAudio
V19-devel, with AirPcap.
Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0.2
(packet.dll version 4.0.0.1040), based on libpcap version 0.9.5, without
AirPcap.
Built using Microsoft Visual C++ 6.0 build 8804
Wireshark is Open Source Software released under the GNU General Public
License.
Check the man page and http://www.wireshark.org for more information.
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The standards ISO10589 state that the checksum check is always succesful for
zero lifetime LSP.
This is because an IS must remove the variable part of expired LSPs before
flooding but must not update the checksum.
However wireshark report a corrupted checksum message for such LSP. Seems not
right.
Wireshark should ignore the checksum for zeroed lifetime LSP.
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