Why does PTP accuracy error go beyond +/- 1.5ns during dynamic reconfiguration between GTS Ethernet Hard IP and Triple-Speed Ethernet IP in Quartus® Prime Pro Edition version 26.1 and earlier? - Why does PTP accuracy error go beyond +/- 1.5ns during dynamic reconfiguration between GTS Ethernet Hard IP and Triple-Speed Ethernet IP in Quartus® Prime Pro Edition version 26.1 and earlier? Description When using the GTS Dynamic Reconfiguration Controller IP flow in Quartus® Prime Pro Edition version 26.1 or earlier to perform dynamic reconfiguration between the GTS Ethernet Hard IP and the Triple-Speed Ethernet (TSE) IP , the PTP (Precision Time Protocol) accuracy error for the GTS Ethernet Hard IP may exceed ±1.5ns in this scenario. This PTP accuracy problem does not occur with the TSE IP in this case. Resolution No workaround is available so far. This problem is scheduled to be fixed in a future release of the Quartus Prime Pro Edition software. Custom Fields values: ['novalue'] Troubleshooting SM-3557, SM-2574 novalue ['Interfaces Ethernet'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 26.1 ['Agilex™ 3 FPGAs and SoCs', 'Agilex™ 5 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue'] - 2026-04-07

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