In the Settings/Network Configuration
Tick the DHCP box
Now Write to Device...
This will allow you to locate the IMRS Board internal IP
Recheck and it should show your IP, Subnet Mask, Gateway Address and the UDP Port.
untick the DHCP to make it static and "Write to Device"...
Note: to make it an outside IP just enter the IP, Subnet Mask, Gateway Address and the UDP Port