ZyXEL P-660HN-51 User Guide - Page 144
The Address Mapping Rule Edit Screen
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Chapter 9 Network Address Translation (NAT) 9.4.1 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 69 Network > NAT > Address Mapping: Edit The following table describes the fields in this screen. Table 45 Network > NAT > Address Mapping: Edit LABEL DESCRIPTION Type 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. Local Start IP Local End IP 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. Global Start IP 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. 144 P-660HN-TxA User's Guide