My computer max's out at 100 Mbps when connected through ethernet cable. My max speed with my plan is 150 Mbps through my ISP. So, I purchased a Plugable USB 3.0 Gigabit ethernet adapter which should allow me to take advantage of my maximum speed. However, once I run the ethernet to the plugable usb and plug that into a USB 3.0 slot its changing my NFS server's IP address which is messing with streaming movies, videos, etc....throughout the house. I set the server up to share media througout the house. When the ethernet cable is plugged directly into cpu the NFS server IP is 192.168.1.121 things stream fine and then I run the ethernet to the new pluggable usb it changes to 192.168.1.163. I would like to make the former IP address static if possible. The pluggable isn't even giving be the faster speeds yet but I'm trying to tackle 1 problem at a time. I know my set is more than capable of the speed increase since when I run a speed test on my phone or iPad I get speeds up to 170 Mbps. Is what I would like to do possible? This is the plugable USB that I am using https://plugable.com/products/usb3-e1000. My router is a Linksys WRT1200AC. Any assistace with this would be greatly appreciated. TIA