It would be helpful to have more information on your setup to try and narrow this sort of thing down, as it is very uncommon, thus not easily diagnosed. For example: 1) did this work with boxturtle? 2) does this happen with any roslaunch file, or just a particular file? 3) what does your /etc/hosts look like, your ifconfig, etc... 4) are other people using the same machine - Ken On Tue, Aug 17, 2010 at 10:35 AM, Max B wrote: > To Ken: >> >> As above, there is likely a network issue. > > > What kind of network issue? Nothing on the ROS troubleshooting page helped. > I tried adding a rule for port 11311 in ufw, and that didn't help. nmap says > that port 11311 is open. > From, >    Max > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >