On Sun, Dec 19, 2010 at 6:43 PM, K Chen wrote: > Yes, but I can also see them using command "rosnode list". I don't know how > this command works, but I guess this info should come from Master Node, so > doesn't it has any mechanism to "kick out" inactive nodes out of ROS > network? rxgraph and rosnode get the info from the same place. The feature to "kick out" is in development and requires developing new features like TTL settings for registrations. As a workaround, you can call "rosnode cleanup" or checkout the 'reaper' node. I'll note that none of this should really affect the functioning of your system. - Ken