Hello,
1. Port Forwarding Configuration
In the navigation tree on the left, choose Forward Rules > Port Mapping Configuration. In the pane on the right, click New. In the dialog box that is displayed set the parameters related to port mapping.

Before port mapping, ensure that the peer port is enabled.
2. UPnP Configuration
In the navigation tree on the left, choose Network Applications > UPnP Configuration. In the pane on the right, determine whether to enable the UPnP.

For more information about port forwarding, click:
How to configure Huawei ONT port mapping
Thanks.