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  1. EtherNet/IP Firmware V3
  2. PSEISV3-781

2 port switch forwards LLDP frames to opposite Ethernet port (certification issue)

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    • Account:
      SPC EthernetIp Core (SPCETHERNET)

      Description

      As states in CIP Volume 2 Edition 1.31, section 9-8.3 "EtherNet/IP LLDP Transmission Requirements", the LLDP frame must have a destination multicast MAC address as defined in 802.1AB-2016.

      All devices not implementing the In-Cabinet Profile, shall use the group MAC address 01-80-C2-00-00-0E as the destination MAC address.

       

      As states in 802.1AB-2016, 7. "LLDPDU transmission, reception, and addressing":

      Frames with the group MAC address as destination MAC address shall not be forwarded.
       

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                  • Reporter:
                    KMichel Kai Michel
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