Add/Edit Address Mapping Rule - ZyXEL Communications VMG1312-B Series User Manual

Table 62 Network Setting > NAT > Address Mapping (continued)
LABEL
Type
Modify

11.7.1 Add/Edit Address Mapping Rule

To add or edit an address mapping rule, click Add new rule or the rule's edit icon in the Address
Mapping screen to display the screen shown next.
Figure 87 Address Mapping: Add/Edit
The following table describes the fields in this screen.
Table 63 Address Mapping: Add/Edit
LABEL
Type
Local Start IP
Chapter 11 Network Address Translation (NAT)
DESCRIPTION
This is the address mapping type.
One-to-One: This mode maps one local IP address to one global IP address. Note that port
numbers do not change for the One-to-one NAT mapping type.
Many-to-One: This mode maps multiple local IP addresses to one global IP address. This is
equivalent to SUA (i.e., PAT, port address translation), the Device's Single User Account
feature that previous routers supported only.
Many-to-Many: This mode maps multiple local IP addresses to shared global IP addresses.
Click the Edit icon to go to the screen where you can edit the address mapping rule.
Click the Delete icon to delete an existing address mapping rule. Note that subsequent
address mapping rules move up by one when you take this action.
DESCRIPTION
Choose the IP/port mapping type from one of the following.
One-to-One: This mode maps one local IP address to one global IP address. Note that port
numbers do not change for the One-to-one NAT mapping type.
Many-to-One: This mode maps multiple local IP addresses to one global IP address. This is
equivalent to SUA (i.e., PAT, port address translation), the Device's Single User Account
feature that previous routers supported only.
Many-to-Many: This mode maps multiple local IP addresses to shared global IP addresses.
Enter the starting Inside Local IP Address (ILA).
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