FYI, you want to create a point-to-point link between two Ethernet MAC. There's a kind of interface call RevMII(Not RMII) which is aimed to this application. For now, idf doesn't have support for this feature officially. But we will eventually support it some day. Thanks for your reply ESP_morris. ...

Dear all, I currently struggling with a task that I want to perform. I need to interconnect two microcontrollers through their ethernet mac interface through RMII without using a physical layer. After checking the whole Ethernet code available in the SDK, I am still not able to remove the physical l...