User manual

IP Address Mapping

Rule Index: Choose the rule number.

Rule Type:

One-to-one: This is the mode that 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 is the mode that maps multiple local IP addresses to one global IP

address. This is equivalent to Many to One (i.e., PAT, port address translation).

Many-to-Many Overload: This is mode that maps multiple local IP addresses to shared

global IP addresses.

Many-to-Many No Overload: This is the mode that maps each local IP address to unique

global IP addresses.

Server: This type allows you to specify inside servers of the 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