sinusco

There has to be a DHCP server somewhere on the network for the Teensy to get an address from. A switch doesn't include a DHCP server, it just forwards packets between machines.

Starting Ethernet… Teensy IP: 192.168.0.229 Cut and pasted the second code listed in OP to a T_4.1 here and it worked as shown without change.

Thank you, that was it! The problem was that I had set <sharing > internet sharing > share your connection from> in my macbook settings as "USB LAN", while it had to be sharing from Wi-Fi, so that my mac hands out the ip's. don't understand why...

I have a teensy 4.1 with the pjrc rj45 connector connected to my computer through a netgear smart switch. I've managed do pass OSC messages from the teensy to my computer by giving the teensy a static ip address, but i'd like for it to have a...