Port forwarding is often used for gaming to give direct access to gaming servers. In order to set this up on your Fixed Wireless Service, you must login to your router interface and select the port forwarding option. You should then choose which IP and Ports that you wish to forward.
For more support you can talk to our technical Support Team on 1800 938 100 or by email to support@imagine.ie
For information on how to log in to your router see here
To set up Port Forwarding on your Fibre service see here