Triple-Speed Ethernet Intel® FPGA IP User Guide

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ID 683402
Date 5/30/2022
Public
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4.3.6.3. PTP Frame over UDP/IPv6

Checksum calculation is mandatory for the UDP/IPv6 protocol. You must extend 2 bytes at the end of the UDP payload of the PTP frame. The MAC function modifies the extended bytes to ensure that the UDP checksum remains uncompromised.
Figure 42. PTP Frame over UDP/IPv6


Note to PTP Frame over UDP/IPv6 :

  1. For frames with VLAN or Stacked VLAN tag, add 4 or 8 octets offsets before the length/type field.

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