Wireshark-bugs: [Wireshark-bugs] [Bug 5730] New: Dissector for HSR and PRP-1
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 28 Feb 2011 08:11:02 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5730

           Summary: Dissector for HSR and PRP-1
           Product: Wireshark
           Version: SVN
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: reld@xxxxxxx


Created an attachment (id=5987)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=5987)
patch

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
Here is a patch that adds a dissector for HSR and for PRP-1. Both protocols are
defined in IEC62439 Part 3. (High-availability Seamless Redundancy / Parallel
Redundancy Protocol)

The existing PRP dissector has been refactored to support both the old
PRP (now called PRP-0) and the new PRP-1.

There are three distinct dissectors:
- HSR (ethertype 892F)
- HSR/PRP supervision (ethertype 88FB)
- PRP-0 and PRP-1 (trailer dissector; disabled by default)

I have done fuzz testing with hsr_prp_good_and_bad_frames.pcap for 1300 passes.
The file is attached. Note that you have to enable the PRP dissector first
(because it is known to produce some false positives).

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