The following table describes the labels in this screen:

Field

 

Descriptions
Rule Index

Choose the number

Rule 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.

 

•

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.

 

•

Server(available on next release of firmware):

 

 

This type allows you to specify inside servers of

 

 

different services behind the NAT to be accessible to

 

 

the outside world.

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 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. This

 

field is N/A for One-to-one and Server mapping types.

Public 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.

Public 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.

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