--- /rootfs/boot/config.txt	
+++ /rootfs/boot/config.txt	

@@ -56,6 +56,14 @@
 # Enable audio (loads snd_bcm2835)
 dtparam=audio=on
 
+#usb ethernet
+[pi0]
+dtoverlay=dwc2
+
+#usb ethernet
+[pi3]
+dtoverlay=dwc2,dr_mode=peripheral
+
 [pi4]
 # Enable DRM VC4 V3D driver on top of the dispmanx display stack
 dtoverlay=vc4-fkms-v3d