ZyWALL 2 Series User’s Guide
8-10
NAT
Table 8-5 Address Mapping
LABEL DESCRIPTION
Type
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.
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), the Single User Account feature.
3.
Many-to-Many Overload
mode maps multiple local IP addresses to shared global IP
addresses.
4.
Many One-to-One
mode maps each local IP address to unique global IP addresses.
5.
Server
allows you to specify inside servers of different services behind the NAT to be
accessible to the outside world.
Edit
Click
Edit
to go to the
Address Mapping Rule
screen.
Delete
Click
Delete
to delete an address mapping rule.
Insert
Click
Insert
to insert a new mapping rule before an existing one.
Configuring Address Mapping
To edit an Address Mapping rule, click the
Edit
button to display the screen shown next.
Figure 8-6 Address Mapping Rule
The following table describes the fields in this screen.