ZyXEL Communications 10 - Manual (Page 155)

ZyWALL 10~100 Series Internet Security Gateway
NAT 12-13
An IP End address must be numerically greater than its corresponding IP Start
address.
Figure 12-9 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set
Table 12-6 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set
FIELD DESCRIPTION EXAMPLE
Type Press [SPACE BAR] and then [ENTER] to select from a total of five
types. These are the mapping types discussed in Table 12-2. Server
allows you to specify multiple servers of different types behind NAT to this
computer. See section 12.5.3 for an example. One-to-One
Local IP Only local IP fields are N/A for server; Global IP fields MUST be set for
Server.
Start Enter the starting local IP address (ILA). 0.0.0.0
End Enter the ending local IP address (ILA). If the rule is for all local IPs, then
put the Start IP as 0.0.0.0 and the End IP as 255.255.255.255. This field
is N/A for One-to-One and Server types.
N/A
Global IP
Start Enter the starting global IP address (IGA). If you have a dynamic IP, enter
0.0.0.0 as the Global IP Start. Note that Global IP Start can be set to
0.0.0.0 only if the types are Many-to-One or Server.
0.0.0.0
End Enter the ending global IP address (IGA). This field is N/A for One-to-
One, Many-to-One and Server types.
N/A
Once you have finished configuring a rule in this menu, press [ENTER] at the message “Press
ENTER to Confirm…” to save your configuration, or press [ESC] to cancel.
Menu 15.1.1.1 Address Mapping Rule
Type= One-to-One
Local IP:
Start=
End = N/A
Global IP:
Start=
End = N/A
Press ENTER to Confirm or ESC to Cancel: