Wireshark-bugs: [Wireshark-bugs] [Bug 9520] New: Add RFC 6514 support to BGP dissector

Date: Fri, 06 Dec 2013 19:35:46 +0000
Bug ID 9520
Summary Add RFC 6514 support to BGP dissector
Classification Unclassified
Product Wireshark
Version 1.10.3
Hardware x86
OS Windows 8
Status UNCONFIRMED
Severity Enhancement
Priority Low
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected]

Created attachment 12248 [details]
PCAP file

Build Information:
Version 1.10.3 (SVN Rev 53022 from /trunk-1.10)

Copyright 1998-2013 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+ 2.24.14, with Cairo 1.10.2, with Pango 1.30.1, with
GLib 2.34.1, with WinPcap (4_1_3), with libz 1.2.5, without POSIX capabilities,
without libnl, with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.1, without Python,
with GnuTLS 2.12.18, with Gcrypt 1.4.6, without Kerberos, with GeoIP, with
PortAudio V19-devel (built Nov  1 2013), with AirPcap.

Running on 64-bit Windows 8, build 9200, 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 2.12.18, Gcrypt 1.4.6, without AirPcap.
Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz, with 16290MB 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.
--
Add RFC 6514 (BGP Encodings and Procedures for Multicast in MPLS/BGP IP VPNs)
support to BGP dissector. 
Currently, PMSI_TUNNEL attribute shows up as "unknown".

Border Gateway Protocol - UPDATE Message
    Marker: ffffffffffffffffffffffffffffffff
    Length: 95
    Type: UPDATE Message (2)
    Unfeasible routes length: 0 bytes
    Total path attribute length: 72 bytes
    Path attributes
        ORIGIN: IGP (4 bytes)
            Flags: 0x40 (Well-known, Transitive, Complete)
                0... .... = Optional: Well-known
                .1.. .... = Transitive: Transitive
                ..0. .... = Partial: Complete
                ...0 .... = Length: Regular length
            Type code: ORIGIN (1)
            Length: 1 byte
            Origin: IGP (0)
        AS_PATH: empty (3 bytes)
            Flags: 0x40 (Well-known, Transitive, Complete)
                0... .... = Optional: Well-known
                .1.. .... = Transitive: Transitive
                ..0. .... = Partial: Complete
                ...0 .... = Length: Regular length
            Type code: AS_PATH (2)
            Length: 0 bytes
            AS path: empty
        LOCAL_PREF: 100 (7 bytes)
            Flags: 0x40 (Well-known, Transitive, Complete)
                0... .... = Optional: Well-known
                .1.. .... = Transitive: Transitive
                ..0. .... = Partial: Complete
                ...0 .... = Length: Regular length
            Type code: LOCAL_PREF (5)
            Length: 4 bytes
            Local preference: 100
        EXTENDED_COMMUNITIES: (11 bytes)
            Flags: 0xc0 (Optional, Transitive, Complete)
                1... .... = Optional: Optional
                .1.. .... = Transitive: Transitive
                ..0. .... = Partial: Complete
                ...0 .... = Length: Regular length
            Type code: EXTENDED_COMMUNITIES (16)
            Length: 8 bytes
            Carried Extended communities
                two-octet AS specific Route Target: 1:1
        Unknown (20 bytes)
            Flags: 0xc0 (Optional, Transitive, Complete)
                1... .... = Optional: Optional
                .1.. .... = Transitive: Transitive
                ..0. .... = Partial: Complete
                ...0 .... = Length: Regular length
            Type code: Unknown (22)
            Length: 17 bytes
            Unknown (17 bytes)


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