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".
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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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