How to find specific databyte in CIP PCCC protocol?

asked 2022-06-21 13:39:38 +0000

wshvw
1

Hi, I need to check if some network slave has generated an error by analysing a WireShark .pcapng logfile. I need to find if the first byte of a PCCC command data unequals value 0x10. Is this possible?

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Do you have a capture file you could share on a public file share and add a link to it here?

Chuckc ( 2022-06-21 21:04:05 +0000 )edit

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answered 2022-06-23 01:36:54 +0000

Chuckc
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S4x15 - Digital Bond's S4 conference 2015
Capture file MicroLogix56.pcap 10M MicroLogix has cip.pccc fields.

The first byte of PCCC Command Data is cip.pccc.cmd.code.
Display filter: cip.pccc.cmd.code != 0x10

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Asked: 2022-06-21 13:39:38 +0000

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Last updated: Jun 23 '22

How to find specific databyte in CIP PCCC protocol? edit