ZyXEL Communications P-793H User Manual

Page of 444
Chapter 28 NAT Setup
P-793H User’s Guide
284
Figure 169   Menu 15.1.1.1: Address Mapping Rule
The following table describes the fields in this menu.
28.3  Configuring a Server behind NAT
"
If you do not assign a Default Server IP address, the ZyXEL Device discards 
all packets received for ports that are not specified here or in the remote 
management setup.
                    Menu 15.1.1.1 Address Mapping Rule
                    Type= Server
                    Local IP:
                      Start= N/A
                      End  = N/A
                    Global IP:
                      Start= 0.0.0.0
                      End  = N/A
                    Server Mapping Set= 2
Table 112   Menu 15.1.1.1: Address Mapping Rule
FIELD
DESCRIPTION
Type
Press [SPACE BAR] and then [ENTER] to select from a total of five types. These are the 
mapping types discussed in 
Server allows you to specify multiple 
servers of different types behind NAT to this computer. See 
 
for 
an example.
Local IP
These fields are enabled depending on the Type.
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
These fields are enabled depending on the Type.
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.
End
Enter the ending global IP address (IGA). This field is N/A for One-to-OneMany-to-One 
and Server types.
Server 
Mapping 
Set
This field is available only when you select Server in the Type field. Select which server 
mapping set to use for this rule.
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.