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Hello Vinh,

I did use the tutorial on the ROS page but the paper gives me a lot more information. Thanks for the info.

rosrun master_discovery_fkie master_discovery _mcast_group:=224.0.0.1

specifying the multicast address helped a little and my third host is visible to all others now. The syncronizer how ever gives me an error while publishing a test message:

Error while decode message: newer heartbeat version 3 (own: 2 ) detected, please update your master_discovery

Cause of that, it is not synchronizing the topics from this node. The master discovery is the latest version though.

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