W5500 driver issues on Raspberry Pi 4
W5500 driver issues on Raspberry Pi 4: MAC address changes & ARP confusion explained
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Components
Hardware components
WIZnet - W5500
x 1
Project description
🔎 Overview A Raspberry Pi 4 user integrating a W5500 module noticed two confusing symptoms: MAC address changed every reboot W5500 responded to ARP requests for 0.0.0.0 while waiting for DHCP These behaviors looked like “bugs,” but the community discussion reveals important networking principles and configuration details that engineers should know when working with hardwired TCP/IP chips like the W5500. 💬 What Happened in the Thread A brief curated summary of the most useful points: The user enabled W5500 on Raspberry Pi via an overlay and configured the interface with DHCP. But since they…
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