Jetson SUB Mini PC black Dual Nic issue

hi we’re using Jetson SUB Mini PC Black with dual NIC , however our requirement is to connect NIC1 (eth0) into outside world and NIC 2 (into switch with cameras) however this not workign this way. There’s bridged l4tbr - is there way to achive on that board to behave like regular device with 2 seperate NICs?

Thank you
Andrew