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3 or more machines communicate

asked 2015-11-07 21:11:38 -0500

cros
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through the tutorials(http://wiki.ros.org/cn/ROS/Tutorials/MultipleMachines) i konw how to communicate between two machine,but i want to konw if i have three or more computers and I want they can communicate with each other,what I should do ,just use "export ROS_MASTER_URI=http://hal:11311" in every computers?

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answered 2015-11-08 01:26:28 -0500

nickw

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If that is the IP address where roscore was run then yes. On each machine you also need to export that machines own IP address (no port number needed) - we have found we had to "export ROS_HOSTNAME=" whatever the address is and "export ROS_IP=" too, to avoid AF_INET errors

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thank you ,i will try it

cros ( 2015-11-08 01:47:46 -0500 )edit

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Asked: 2015-11-07 21:11:38 -0500

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Last updated: Nov 08 '15

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