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Chapter 35 Network Address Translation (NAT)
ZyWALL 2 Plus User’s Guide
505
" You must press [ENTER] at the bottom of the screen to save the whole set. You
must do this again if you make any changes to the set – including deleting a
rule. No changes to the set take place until this action is taken.
Selecting Edit in the Action field and then selecting a rule brings up the following menu,
Menu 15.1.1.1
- Address Mapping Rule in which you can edit an individual rule and
configure the Type, Local and Global Start/End IPs.
" An IP End address must be numerically greater than its corresponding IP Start
address.
Figure 329 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set
The following table describes the fields in this menu.
Menu 15.1.1.1 Address Mapping Rule
Type= Server
Local IP:
Start= N/A
End = N/A
Global IP:
Start= 10.10.1.1
End = N/A
Press ENTER to Confirm or ESC to Cancel:
Table 198 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set
FIELD DESCRIPTION
Type Press [SPACE BAR] and then [ENTER] to select from a total of five types. These are the
mapping types discussed in Chapter 17 on page 309. Server allows you to specify multiple
servers of different types behind NAT to this computer. See Section 35.4.3 on page 510 for
an example.
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).
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.
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.