Sorry if I understood it wrong but by exporting the ROS_DOMAIN_ID, does that mean we can run talker and listener on 2 different machines with different networks ? Or in any case, the network has to be the same with enabled UDP multicasting ? --- [Visit Topic](https://discourse.ros.org/t/how-to-run-example-talker-listener-on-2-machines-with-different-ipaddr/2106/7) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: