Allowing Private Network to Access Internet Using SNAT
SNAT rule is used to allow users in private network to access Internet. An SNAT rule will translate the internal IP addresses to a public IP address, so that internal users can have access to public network via the public interface.
As shown in the topology, via SNAT, internal PCs use the eth0/3 (220.127.116.11/20) to visit Internet.
|Step 3: Configuring Address book|
Configuring an address range for private network users
Select Object > Address Entry, and click New.
|Step 5: Configuring default route|
Select Network > Routing > Destination Route, and click New.
|Step 6: Results|
After configuration, PCs in private network can ping 18.104.22.168 successfully.