ZyXEL Communications ZyWall ATP series User Manual page 334

login to the Web Configurator and click Configuration > Network > NAT. The following screen appears,
providing a summary of the existing NAT rules.
Click on the icons to go to the OneSecurity website where there is guidance on configuration
walkthroughs, troubleshooting, and other information.
Figure 227 Configuration > Network > NAT
The following table describes the labels in this screen.
Table 137 Configuration > Network > NAT
LABEL DESCRIPTION
Use Static-Dynamic If you are using SiteToSite VPN and 1-1 SNAT, it's recommended that you select this check
Route to Control 1-1 box. Otherwise, you'll need to create policy route rules for VPN and Destination NAT traffic.
NAT Route
Note that the selection of this check box will change the priority of the routing flow
(SiteToSite VPN, Static-Dynamic Route, and 1-1 SNAT). See
more information about the routing flow.
Add Click this to create a new entry.
Edit Double-click an entry or select it and click Edit to open a screen where you can modify the
entry's settings.
Remove To remove an entry, select it and click Remove. The Zyxel Device confirms you want to
remove it before doing so.
Activate To turn on an entry, select it and click Activate.
Inactivate To turn off an entry, select it and click Inactivate.
Move To change a rule's position in the numbered list, select the rule and click Move to display a
field to type a number for where you want to put that rule and press [ENTER] to move the
rule to the number that you typed.
The ordering of your rules is important as they are applied in order of their numbering.
# This field is a sequential value, and it is not associated with a specific entry.
Status This icon is lit when the entry is active and dimmed when the entry is inactive.
Priority This field displays the priority for the entry. The smaller the number, the higher the priority.
Name This field displays the name of the entry.
Mapping Type This field displays what kind of NAT this entry performs: Virtual Server, 1:1 NAT, or Many 1:1
NAT.
Interface This field displays the interface on which packets for the NAT entry are received.
External IP This field displays the original destination IP address (or address object) of traffic that
matches this NAT entry. It displays any if there is no restriction on the original destination IP
address.
Internal IP This field displays the new destination IP address for the packet.
Chapter 12 NAT
ZyWALL ATP Series User's Guide
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Chapter 41 on page 794 for