ZyXEL Communications ZYWALL USG 2000 Support Notes page 203

Certainly, the related configuration like the Firewall ACL check must be set.
After the configuration is done, the LAN users are able to access the LAN server by typing
FQDN.
F03. How to configure a NAT?
Unlike ZyNOS ZyWALL, the NAT setting in ZyWALL USG 2000 is in Policy Route and port
forwarding setting is Virtual Server as the configuration page is shown below.
Configure NAT setting in Configuration > Policy > Route
Configure port forwarding setting in Configuration > Virtual Server
In the policy route setting, there is the source network address translation (SNAT) setting is at
Address Translation area. Choose 'none' means to turn off the NAT feature for the policy route
rule accordingly. To choose "outgoing-interface" or other address object you defined, it means
turn on the NAT feature and it will refer to the next-hop setting to execute routing.
For the specific traffic needs to be re-directed to a certain internal server, the virtual server
needs to be configured. This feature allows ports/host mapping from a WAN interface IP to an
internal DMZ/LAN IP. For example, if you want to forward HTTP traffic with 8080 port to the
ZyWALL5 in ZyWALL USG 2000's DMZ zone, you need to configure virtual server to
All contents copyright (c) 2008 ZyXEL Communications Corporation.
ZyWALL USG 2000 Support Notes
203