To temporarily turn your laptop in to a DHCP server, the easiest and simplest way to do this, is using a free program called TFTP64 (Tiny FTP server). You can download this tool from…

https://digitalyachtamerica.com/download/tftp-zip/

Inside the ZIP file are two TFTP programs, and you want to use the TFTP64 one.

With your PC’s Ethernet LAN adaptor set to get an IP address automatically (default for Windows), run TFTP64 and go to the DHCP tab. Click the Settings button and enter the details below…

Click OK and you will be taken back to the DHCP server tab and you should see that your PC has been allocated 192.168.64.1 and when you plug in the LANLink, it should get 192.168.64.2

Now you can open a browser and go to http://192.168.64.2 to bring up the LANLink web interface. You will get the pop-up login box displayed and then once you have logged in using admin for the username and password, you will be all set to configure the LANLink as required.