ZyXEL Communications ZyXEL ZyWALL 35 User Manual
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ZyWALL 35 User’s Guide
Chapter 34 Network Address Translation (NAT)
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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.
Figure 277 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set
The following table describes the fields in this menu.
Note: 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.
Note: An IP End address must be numerically greater than its
corresponding IP Start address.
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:
Table 181 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 16 Network Address Translation (NAT)
. Server allows
you to specify multiple servers of different types behind NAT to this computer. See
Example 3: Multiple Public IP Addresses With Inside Servers section
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.