Similar to this issue ( https://www.olimex.com/forum/index.php?topic=7099.0 )
I have an esp32-poe-iso card that will fire the SYSTEM_EVENT_ETH_START and SYSTEM_EVENT_ETH_CONNECTED events, but will not currently fire the SYSTEM_EVENT_ETH_GOT_IP
This had been working at one point, but is no longer.
The yellow led nearest the lan port is on in a solid fashion as are the red and green leds, the remaing yellow led is flickering.
I've orderd a new card, but while I wait, is there anything I can do to further test / salvage the card that I have?
so the new card arrived and it works as it should.
the old card still does not; can it be reflashed or something like that?
If the board was working fine, and then stopped working without any changes to the hardware or software setup - they either the boar or something the setup broke somehow.
Did you also test the Arduino IDE example? This would reduce the chances of a software issue.
Best regards,
Lub/OLIMEX