https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6951
Summary: Multiprotocol Label Switching Echo - Return Code:
Reserved (5)
Product: Wireshark
Version: 1.6.5
Platform: x86-64
OS/Version: Windows 7
Status: NEW
Severity: Minor
Priority: Low
Component: Wireshark
AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
ReportedBy: Francesco.Ruta@xxxxxxxxx
Build Information:
Version 1.6.5 (SVN Rev 40429 from /trunk-1.6)
Copyright 1998-2012 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 (64-bit) with GTK+ 2.22.1, with GLib 2.26.1, with WinPcap (version
unknown), with libz 1.2.5, without POSIX capabilities, without libpcre, without
SMI, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.10.3, with
Gcrypt 1.4.6, without Kerberos, with GeoIP, with PortAudio V19-devel (built Jan
10 2012), with AirPcap.
Running on 64-bit Windows 7 Service Pack 1, build 7601, 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 2.10.3, Gcrypt 1.4.6, without AirPcap.
Built using Microsoft Visual C++ 9.0 build 21022
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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When decoding a MPLS Echo packet, return code 5 is decoded as Reserved (5),
according to RFC4379 5 is "Downstream Mapping Mismatch"
No. Time Source Destination Protocol Length
Info
20 2.317962 11.2.0.2 21.0.0.3 MPLS ECHO 74
MPLS Echo Reply
Frame 20: 74 bytes on wire (592 bits), 74 bytes captured (592 bits)
Ethernet II, Src: JuniperN_8d:5a:a1 (28:c0:da:8d:5a:a1), Dst: Radisys_4e:49:d6
(00:00:50:4e:49:d6)
Internet Protocol Version 4, Src: 11.2.0.2 (11.2.0.2), Dst: 21.0.0.3 (21.0.0.3)
User Datagram Protocol, Src Port: lsp-ping (3503), Dst Port: lsp-ping (3503)
Multiprotocol Label Switching Echo
Version: 1
Global Flags: 0x0000
Message Type: MPLS Echo Reply (2)
Reply Mode: Reply via an IPv4/IPv6 UDP packet (2)
Return Code: Reserved (5)
Return Subcode: 1
Sender's Handle: 0x00000005
Sequence Number: 5
Timestamp Sent: Mar 14, 2012 00:19:47.954658000 UTC
Timestamp Received: Mar 14, 2012 08:21:26.000088000 UTC
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