This is probably more of a answers.ros.org question, but I think you also
need to tell computer A how to refer to itself,
e.g.   export ROS_HOSTNAME=192.168.1.100 on computer A.

?

--Adam


Adam Leeper
Stanford University
aleeper@stanford.edu
719.358.3804


On Thu, Apr 7, 2011 at 5:12 PM, Morgan Cormier <MCormier@coroware.com>wrote:

> Hi, I am trying to make a node on one computer(computer A) with some
> publishers and some services and try to read the messages and call some
> services with another computer(computer B).
>
> computer A(ip is 192.168.1.100) and computer B(ip is 192.168.1.101) are
> connected since they can ping each other
>
> computer A also runs a roscore since it is the master
>
> on computer A, I set the ROS_MASTER_URI at http://localhost:11311
> on computer B, I set the ROS_MASTER_URI at http://192.168.1.100:11311 and
> the ROS_HOSTNAME at 192.168.1.101
>
> and yet it doesn't work, I don't even receive the topics messages,
>
> I am sure I am doing something wrong or maybe didn't configure my network
> properly.
>
> Does someone happen to know how to solve the problem?
>
> Thank you so much for your help.
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>