You mentioned that you assigned the IP address 192.168.42.10 to eth2 port. When configuring the array using the CLI with the SETUP command, it will default to assigning the management IP address to eth1 (Bottom Port). Try moving the cable to eth1, then launch a browser to: http://192.168.42.10
If you still have issues, try calling Nimble Support at 1-877-3NIMBLE (877-364-6253), extension 2. Every time I called them they answered within a minute. They will definitely assist you until it is working and you will get to see how great their support is.