ZyXEL VMG1312-B10A User Guide - Page 176
Add/Edit Address Mapping Rule
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Chapter 11 Network Address Translation (NAT) Table 62 Network Setting > NAT > Address Mapping (continued) LABEL Type 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. Modify 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. 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 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. Local Start IP Many-to-Many: This mode maps multiple local IP addresses to shared global IP addresses. Enter the starting Inside Local IP Address (ILA). VMG1312-B Series User's Guide 176