Establish a connection Bring up a connection-oriented network interface interfaces pppoe interfaces wirelessmodem sudo ${vyos_op_scripts_dir}/connect_disconnect.py --connect "$3" Connect to port of serial console server service console-server device /usr/bin/console "$3" Take down a connection Take down a connection-oriented network interface interfaces pppoe interfaces wirelessmodem sudo ${vyos_op_scripts_dir}/connect_disconnect.py --disconnect "$3"