As a test, you might want to increase the frequency of this to e.g. every 500 ms
Tried this and it still only does 1 ARP. The following is what I see in wireshark:
Disabling DCache causes a hard fault on my MCU, but I took a look at CubeMX and it looks like DCache is disable by default anyways so I don’t think it is active.
As for my FreeRTOS config files and my main file, here they are:
main.c (20.5 KB)FreeRTOSConfig.h (6.1 KB) FreeRTOSIPConfig.h (8.0 KB)