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  1. EtherNet/IP Firmware V3
  2. PSEISV3-79

Use 0 as initial sequence number for IO connections and check for a sequence number gap

          Details

          • Type: Change
          • Status: Closed
          • Priority: Minor
          • Resolution: Fixed
          • Affects Version/s: None
          • Fix Version/s: V3.2.0.1, V3.2.1.0, V3.3.0.0
          • Component/s: None
          • Labels:
            None
          • Account:
            SPC EthernetIp Slave (SPCETHERNE)

            Description

            When targets and originators begin producing data on a transport class 0 or 1 connection, the
            initial Encapsulation Sequence Number shall be 0.
            Gap. For more information see CIP Volume 2 Edition 1.19 Chapter 3-4.1 "CIP Transport Class 0 and Class 1 Packet Ordering".

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                relates to

                Bug - A problem which impairs or prevents the functions of the product. PSEISV3-27 Use a random initial sequence number for IO connections and check for a sequence number gap

                • Minor - Minor loss of function, or other problem where easy workaround is present.
                • Closed

                Change - PSEIPCORE-65 Use 0 as initial sequence number for IO connections and check for a sequence number gap (certification issue)

                • Minor - Minor loss of function, or other problem where easy workaround is present.
                • Closed

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                        • Reporter:
                          RHornung Ralf Hornung
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                          Dates

                          • Created:
                            Updated:
                            Resolved: