NAT - Address Mapping Rules

View your NAT address mapping rules in this menu. Click the index number of a rule to go to the NAT - Edit Address Mapping Rule screen to edit that rule. Ordering your rules is important because the Prestige applies the rules in the order that you specify. When a rule matches the current packet, the Prestige takes the corresponding action and the remaining rules are ignored. If there are any empty rules before your new configured rule, your configured rule will be pushed up by that number of empty rules. For example, if you have already configured rules 1 to 6 in your current set and now you configure rule number 9. In the set summary screen, the new rule will be rule 7, not 9. Now if you delete rule 4, rules 5 to 7 will be pushed up by 1 rule, so old rules 5, 6 and 7 become new rules 4, 5 and 6.

Label

Description

Local Start IPThis is the starting Inside Local IP Address (ILA). Local IP addresses are N/A for Server port mapping. If the rule is for all local IP addresses, then this field displays 0.0.0.0 as the Local Start IP address.
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 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). 0.0.0.0 is for a dynamic IP address from your ISP with Many-to-One and Server mapping types.

Global End IPThis 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. 1-1: 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.
  2. 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.
  3. M-M Ov (Overload): Many-to-Many Overload mode maps multiple local IP addresses to shared global IP addresses.
  4. M-M No (No Overload): Many-to-Many No Overload mode maps each local IP address to unique global IP addresses.
  5. Server: This type allows you to specify inside servers of different services behind the NAT to be accessible to the outside world.
BackClick this button to return to the NAT - Mode screen.