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  • Wireshark FoundationWireshark Foundation
  • wiresharkwireshark
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  • #18220
Closed
Open
Issue created Jul 22, 2022 by Mate Rigo@materigoprecitec

EtherCAT CoE header unknown type

Summary

Capturing Ethercat Canopen over Ethercat Mailbox Communication is encoded incorrectly.

Steps to reproduce

Capture communication between Ethercat Master and COE capable slave.

What is the current bug behavior?

Instead of decoding value 8 for SDO Information in the COE Header, it is shown as Type: Unknown

What is the expected correct behavior?

It should show SDO Information

Sample capture file

coe.pcapng

Relevant logs and/or screenshots

image

Build information

3.6.5 (v3.6.5-0-g21f79ddb)

Compiled (64-bit) using Microsoft Visual Studio 2019 (VC++ 14.31, build 31107), with Qt 5.15.2, with libpcap, with GLib 2.66.4, with zlib 1.2.11, with Lua 5.2.4, with GnuTLS 3.6.3 and PKCS #11 (closed) support, with Gcrypt 1.8.3, with MIT Kerberos, with MaxMind DB resolver, with nghttp2 1.44.0, with brotli, with LZ4, with Zstandard, with Snappy, with libxml2 2.9.10, with libsmi 0.4.8, with QtMultimedia, with automatic updates using WinSparkle 0.5.7, with AirPcap, with SpeexDSP (using bundled resampler), with Minizip.

Running on 64-bit Windows 10 (21H2), build 19044, with 11th Gen Intel(R) Core(TM) i7-11800H @ 2.30GHz (with SSE4.2), with 31953 MB of physical memory, with GLib 2.66.4, with Qt 5.15.2, with Npcap version 1.55, based on libpcap version 1.10.2-PRE-GIT, with c-ares 1.17.0, with GnuTLS 3.6.3, with Gcrypt 1.8.3, with nghttp2 1.44.0, with brotli 1.0.9, with LZ4 1.9.3, with Zstandard 1.4.0, without AirPcap, with light display mode, without HiDPI, with LC_TYPE=German_Germany.utf8, binary plugins supported (21 loaded).

Edited Jul 27, 2022 by Gerald Combs
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