Hi  @DavidB77 

So in the example post when the "WAN' port is mentioned, means the port of the "WAN" port of the TP-Link ER8411 VPN Router I'm using? (image from post referred to)

-Yes

Also, in the image where it shows " internet" this would be the modem from the ISP?

-Yes

Where it shows "web server" means my own server?

-Correct. Don't forget to give your own server static LAN IP. 

Do I need to Do anything with the TP Link TL-SX3008F switch I'm using as well?

-Controller will auto apply the network settings to the switch, to match your requirement. 

H  @DavidB77 

I don't think there will be any issue. Anyway if you need any further help, just feel free to let me know. 

One of the IPs will be used as WAN IP of the router, so all other devices in your network can use this IP to access Internet;

The other public IPs will be bind to your servers, so you can use them to access your server.