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Chapter 8 Network Address Translation (NAT)
8.4.1 The Address Mapping Rule Edit Screen
Use this screen to edit an address mapping rule. Click the rule's edit icon in the Address
Mapping screen to display the screen shown next.
Figure 75 Network > NAT > Address Mapping: Edit
The following table describes the fields in this screen.
Table 48 Network > NAT > Address Mapping: Edit
LABEL
Type
Local Start IP
Local End IP
Global Start IP
Global End IP
Server Mapping
Set
Edit Details
Back
142
DESCRIPTION
Choose the port mapping type from one of the following.
One-to-One: One-to-One mode maps one local IP address to one global IP address.
Note that port numbers do not change for One-to-one NAT mapping type.
Many-to-One: Many-to-One mode maps multiple local IP addresses to one global IP
address. This is equivalent to SUA (i.e., PAT, port address translation), ZyXEL's
Single User Account feature that previous ZyXEL routers supported only.
Many-to-Many Overload: Many-to-Many Overload mode maps multiple local IP
addresses to shared global IP addresses.
Many-to-Many No Overload: Many-to-Many No Overload mode maps each local IP
address to unique global IP addresses.
Server: This type allows you to specify inside servers of different services behind the
NAT to be accessible to the outside world.
This is the starting local IP address (ILA). Local IP addresses are N/A for Server port
mapping.
This is the end local IP address (ILA). If your rule is for all local IP addresses, then
enter 0.0.0.0 as the Local Start IP address and 255.255.255.255 as the Local End
IP address.
This field is N/A for One-to-One and Server mapping types.
This is the starting global IP address (IGA). Enter 0.0.0.0 here if you have a dynamic
IP address from your ISP.
This is the ending global IP address (IGA). This field is N/A for One-to-One, Many-
to-One and Server mapping types.
Only available when Type is set to Server.
Select a number from the drop-down menu to choose a port forwarding set.
Click this link to go to the Port Forwarding screen to edit a port forwarding set that
you have selected in the Server Mapping Set field.
Click this to return to the previous screen without saving.
P-660HN-Fx User's Guide
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Troubleshooting
