Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

Revision history [back]

Sorted...

Basically, the IP Addresses have to be specifically defined either in every window used or better by modifying the .bashrc file

export ROS_MASTER_URI=http://192.168.20.100:11311 and
export ROS_IP=http://192.168.20.100

for one end and

export ROS_MASTER_URI=http://192.168.20.101:11311 and
export ROS_IP=http://192.168.20.101

for the other.

ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.