Planet Networking & Communication CS-2001 User Manual page 56

Step 2. Under Network > Interface, set as below:

Click on Port 2's Modify button.

For Interface Type select WAN, and enter all the relevant settings
(provided by your ISP).

For WAN NAT Redirection, select A designated IP and then enter
162.172.50.1.
Figure 2-10 Configuring the WAN Settings
55
（Figure 2-10）