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RVIZ fixed frame velodyne does not exist

Hi, I am trying to use the velodyne drivers in ROS indigo on my Ubuntu VM running inside Virtualbox. I followed the instructions from here http://wiki.ros.org/velodyne/Tutorials/Getting%20Started%20with%20the%20HDL-32E. Unfortunately, even after using the vlp16_points.launch and the vlp16 calibration file, I am unable to see the pointcloud in rviz. I get the fixed frame velodyne not found error in rviz. After digging google for a while I decided to use Wireshark to check if I receive the packets. I could not see the UDP packets in Wireshark (launched as superuser) in my Ubuntu VM. But, when I tried doing the same with Windows, I was able to see the UDP packets. In my Ubuntu VM, I could only see TCP and HTTP under IPV4 unlike UDP in Windows. Is it because of the network config in VM? Do I need to change some settings in it?

RVIZ fixed frame velodyne does not exist

Hi, I am trying to use the velodyne drivers in ROS indigo on my Ubuntu VM running inside Virtualbox. I followed the instructions from here http://wiki.ros.org/velodyne/Tutorials/Getting%20Started%20with%20the%20HDL-32E. Unfortunately, even after using the vlp16_points.launch and the vlp16 calibration file, I am unable to see the pointcloud in rviz. I get the fixed frame velodyne not found error in rviz. After digging google for a while I decided to use Wireshark to check if I receive the packets. I could not see the UDP packets in Wireshark (launched as superuser) in my Ubuntu VM. But, when I tried doing the same with Windows, I was able to see the UDP packets. In my Ubuntu VM, I could only see TCP and HTTP under IPV4 unlike UDP in Windows. Is it because of the network config in VM? Do I need to change some settings in it?