Can a ros2 humble node talk to ros2 galactic node
For my project I have the following setup:
- docker container running ros2 humble node ( for example demo_nodes_cpp talker)
- docker container running ros2 galactic node (for example demo_nodes_cpp listener)
both container started with privileged mode and network-mode host. they also have same environment variables:
export ROS_DOMAIN_ID = 5
export RMW_IMPLEMENTATION=rmw_fastrtps_cpp ( not sure, really needed)
Problem: The listener node does not receive any messages from talker node.
Question: Do I miss something? Any suggestion would helpful Thanks
Related discussion on ROS Discourse: ROS Cross-Distribution Communication.