10000 USB DHCP timing · Issue #956 · ariel-os/ariel-os · GitHub
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USB DHCP timing #956

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chrysn opened this issue Apr 1, 2025 · 0 comments
Open

USB DHCP timing #956

chrysn opened this issue Apr 1, 2025 · 0 comments
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chrysn commented Apr 1, 2025 •
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Summary

When starting up a USB Ethernet device (eg. CoAP on STM32WB55), it takes several seconds for DHCP to settle.

My impression is that DHCP does retransmissions, starts before the link is ready, wastes a few retransmits before the link is really there (or the DHCP server is responsive).

Hardware/ Setup

STM32WB55 attached to USB where a NetworkManager managed Linux host is sharing a connection.

Possible Solution

Wait with DHCP solicitation until the link is up, or restart it.

Would you like to work on fixing this bug?

Yes
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