For your router, there is the option to forward a port if you wish. It means your router is probably using a NAT firewall. You will need to set up a static ip before you forward a port. (
About Static IP on Robotics ) You should choose
Port 6346 for this.
3 options:
1. A
Robotics Manual for NAT
1. B
Some specific model instructions & scroll down to the half-way down right of that page. There will be a link in brown text on the model page to show you how to set up a static ip.
1. C
Another Robotics manual in case you have difficulty with the others.
2. Within LW Force IP:
Force IP instructions & sample image Robotics router FAQ
Hope this helps.