Hi dhood, I have ran the RMW_IMPLEMENTATION as you mentioned earlier. However, I just wanted to know if there is a way that I could know if I am using my targeted dds or if it is just going back to the default fastrtps. --- [Visit Topic](https://discourse.ros.org/t/ros2-talker-listener-using-difffernt-dds/2124/3) 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: