Tutorials

Chris Lalancette edited this page Sep 12, 2018 · 47 revisions

About ROS 2

ROS 2 Tutorials

Advanced

Docker

ROS 2 Demos

ROS 2 Examples

Troubleshooting

Enable Multicast

In order to communicate successfully via DDS, the used network interface has to be multicast enabled. We've seen in past experiences that this might not necessarily be enabled by default (on Ubuntu or OSX) when using the loopback adapter. See the original issue or a conversation on ros-answers. You can verify that your current setup allows multicast with the ROS 2 tool:

In Terminal 1:

ros2 multicast receive

In Terminal 2:

ros2 multicast send
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