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I'm late to the party again, but if anyone else is unsure what IP address the HDL/VLP is, you have two methods:

1. Get the IP from the MAC ID: On the bottom of every Velodyne product is a MAC ID. The last four Hex digits map to the IP address of the device. Say for example, you have a device with the MAC ID 76:60:88:20:11:9B and you want to find an IP address of the form 192.168.XX.YY. The "11" maps to XX and "9B" maps to YY. All you need to do is convert them to decimal, i.e. 11 Hex = 17 Decimal and 9B Hex = 155 decimal. So the default IP address will be 192.168.17.155. However, if the default IP of your device has been changed this will not work and you will need to use the second method...

2. View the source IP in WireShark: Download WireShark, plug your device into your computer via Ethernet cable and watch the LAN connection. Velodyne LiDAR devices output their data as UDP packets and you can see them over the LAN connection regardless of the network settings of your computer. The UDP packets are usually so numerous that they flood the display, like this:

   

   Notice that each packet has a "source" and a "destination" IP address. The source IP is the current IP address of your LiDAR unit, and that's the address you want. The destination IP is fixed and will be the same for every device, just ignore it.

Once you have the source IP of the device you should be able to follow the instructions on the Velodyne drivers page here.

I'm late to the party again, but if anyone else is unsure what IP address the HDL/VLP is, you have two methods:

1. Get the IP from the MAC ID: On the bottom of every Velodyne product is a MAC ID. The last four Hex digits map to the IP address of the device. Say for example, you have a device with the MAC ID 76:60:88:20:11:9B and you want to find an IP address of the form 192.168.XX.YY. The "11" maps to XX and "9B" maps to YY. All you need to do is convert them to decimal, i.e. 11 Hex = 17 Decimal and 9B Hex = 155 decimal. So the default IP address will be 192.168.17.155. However, if the default IP of your device has been changed this will not work and you will need to use the second method...

2. View the source IP in WireShark: Download WireShark, plug your device into your computer via Ethernet cable and watch the LAN connection. Velodyne LiDAR devices output their data as UDP packets and you can see them over the LAN connection regardless of the network settings of your computer. The UDP packets are usually so numerous that they flood the display, like this:

   

   Notice that each packet has a "source" and a "destination" IP address. The source IP is the current IP address of your LiDAR unit, and that's the address you want. The destination IP is fixed and will be the same for every device, just ignore it.

Once you have the source IP of the device you should be able to follow the instructions on the Velodyne drivers page here.