I found kind of workaround, I am using fixed IP, with it, it does not seem to get through unless link status ok. but like this it gets past the Ethernet.begin after a minute or so even when cable not connected. (this is on Teensy 4.1)
//setup...
The NativeEthernet.h hangs at Ethernet.begin( unless the Ethernet cable is connected and link ok. the NativeEthernet.cpp seems to have
while(!link_status){ } (line293) WHY??? how am I supposed to get on setup past Ethernet.begin( if the...