ZyXEL Communications ZYWALL USG 2000 Support Notes page 201

ZyWALL USG 2000 Support Notes
Create one Policy Route rule for outgoing SNAT to translate the private IP to public one.
After these two steps, the 1-1 NAT mapping on ZyWALL USG 2000 is complete.
NAT loopback Configuration
In order to run the NAT loopback on ZyWALL USG 2000, please add these rules after you
finish the 1-1 NAT mapping.
Firstly, add one Virtual Server rule for LAN usage. All the parameters are the same as those
set on 1-1 NAT mapping, except the Interface item.
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