false true false emqx_ip1 ${__property(emqx_ip1,,)} emqx server ip = emqx_ip2 ${__property(emqx_ip2,,)} = emqx_ip3 ${__property(emqx_ip3,,)} = emqx_user admin emqx account = emqx_pwd public emqx password = mqtt_username emqx = mqtt_password public = continue false 1 20000 35 false true ${__RandomFromMultipleVars(emqx_ip1|emqx_ip2|emqx_ip3,)} 1883 3.1 10 TCP false ${mqtt_username} ${mqtt_password} true 300 0 0 true false 0 1 1 0 240000