Chapter 12 Network Address Translation (NAT)
89
12.3.1 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 44
NAT > Address Mapping: Edit
Figure 45
NAT > Address Mapping: Edit
LABEL
DESCRIPTION
Type
Choose the port mapping type from one of the following.
One-to-One:
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:
maps multiple local IP addresses to one global IP address.
Many-to-Many:
maps multiple local IP addresses to shared global IP addresses.
One-to-Many (Server):
allows you to specify inside servers of different services
behind the NAT to be accessible to the outside world.
Local Start IP
Enter the starting local IP address (ILA).
Local End IP
Enter the ending local IP address (ILA).
Global Start IP
Enter the starting global IP address (IGA). Enter 0.0.0.0 here if you have a dynamic IP
address from your ISP.
Global End IP
This is the ending global IP address (IGA).
Mapping Set
Select the index number of the address mapping set.