ZyXEL P-660HW-61 User Guide - Page 157
The Address Mapping Rule Edit Screen
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Chapter 9 Network Address Translation (NAT) The following table describes the fields in this screen. Table 44 Network > NAT > Address Mapping LABEL DESCRIPTION # This is the rule index number. Local Start IP This is the starting Inside Local IP Address (ILA). Local IP addresses are N/A for Server port mapping. Local End IP This is the end Inside Local IP Address (ILA). If the rule is for all local IP addresses, then this field displays 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. Global Start IP This is the starting Inside Global IP Address (IGA). Enter 0.0.0.0 here if you have a dynamic IP address from your ISP. You can only do this for Many-to-One and Server mapping types. Global End IP This is the ending Inside Global IP Address (IGA). This field is N/A for One-to-one, Many-to-One and Server mapping types. Type 1-1: One-to-one 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. M-1: 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. M-M Ov (Overload): Many-to-Many Overload mode maps multiple local IP addresses to shared global IP addresses. MM No (No Overload): Many-to-Many No Overload mode maps each local IP address to unique global IP addresses. Modify Server: This type allows you to specify inside servers of different services behind the NAT to be accessible to the outside world. 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. 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 66 Network > NAT > Address Mapping: Edit ADSL Router Series User's Guide 157