-# this is for mininet 2.2.1 ${START_CMD} sudo mn --controller=remote,ip=${ODL_SYSTEM_1_IP} --controller=remote,ip=${ODL_SYSTEM_2_IP} --controller=remote,ip=${ODL_SYSTEM_3_IP} --topo linear,${SWITCHES} --switch ovsk,protocols=OpenFlow13
-${START_CMD} sudo mn --topo linear,${SWITCHES} --switch ovsk,protocols=OpenFlow13