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Internet Security Router User
’s Manual
Chapter 9. Configuring Firewall/NAT Settings
77
Field
Description
Static
Select this type of NAT to set a one-to-one Mapping between the Internal Address and the
External Address.
LAN IP range
For the Internal Address
Start IP
Enter the starting IP address.
End IP
Enter the ending IP address.
Internet IP Range
For the External Address
Start IP
Enter the starting IP address.
End IP
Enter the ending IP address.
Dynamic
Select this type of NAT to map a set of internal (corporate) machines to a set of public IP
addresses. Make entries for the LAN IP Range and the Internet IP Range as described above.
Overload
Select this type of NAT to use a single public IP address to connect multiple internal (corporate
LAN) machines to external (Internet) network.
NAT IP Address
Enter NAT IP address, for the overload.
Interface
Select this type of NAT to specify the Dynamic Interface whose IP address should be used for
subjecting traffic to NAT.
9.7.3.2
Access NAT Pool Configuration Page
– (Firewall è Policy List è NAT Pool)
Log into Configuration Manager as admin, click the Firewall menu, click the Policy List submenu and then
click the NAT Pool submenu. The NAT Pool Configuration page displays, as shown in Figure 9.29.
Note that when you open the NAT Pool Configuration page, a list of existing NAT pools is also displayed at the
bottom half of the configuration page such as those shown in Figure 9.29.
Figure 9.29. NAT Pool configuration page
NAT Pool drop-down list
NAT Pool Type drop-down
list