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Why MEMP_NUM_ARP_QUEUE lwIP options is set in lwipopts_examples_common.h if ARP_QUEUEING default value is 0?
MEMP_NUM_ARP_QUEUE seems useful only if ARP_QUEUEING is set to 1, but in https://github.com/raspberrypi/pico-examples/blob/master/pico_w/wifi/lwipopts_examples_common.h is not defined and ARP_QUEUEING default value is 0.
So why MEMP_NUM_ARP_QUEUE is set to 10, while ARP_QUEUEING is not set?
Is this a mistake?
Thanks in advance.