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#UDP 34964

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PROFINET Port Numbers Explained: UDP 34962/34963/34964, Ethertype 0x8892, and Firewall Configuration

Complete guide to PROFINET ports. Covers UDP 34962, 34963, 34964, 49152, Ethertype 0x8892 for cyclic I/O, MRP 0x88E3, firewall rules, and Wireshark filters.

Apr 26, 202612