Planet MH-2300 User Manual page 27

For adding a subnet in a different network, please create corresponding policies
for network interconnection, such as LAN-to-LAN or DMZ-to-DMZ. To do so,
select "Inside Any" (or DMZ any) for both Source Address and Destination
Address, and then select "Any" for Service when configuring a LAN-to-LAN /
DMZ-to-DMZ policy.
Step 2. Under Network > Interface, set as shown below:
Click Modify corresponding to the Port 2.
For Interface Type, select WAN, and specify its corresponding
network addresses. (refer to your ISP)
For NAT Redirection, select "A designated IP" and then enter
"162.172.50.1".
Gigabit Multi-Homing VPN Security Gateway
Modifying the WAN Interface
27
MH-2300