ConnectGear WR400 - Manual (Page 52)

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2.5.1 Address Mapping
The Address Mapping function allows IP addresses used in a private Local Area Network (LAN)
to be mapped (translated) to different Public IP Addresses used in the public/global Internet. This
feature limits the number of Public IP addresses required from the ISP and also maintains the
privacy and security of the Local Area Network. Essentially the Broadband router allows one or
more Public IP Address(es) to be mapped to a pool of local Private IP Address(es).
Parameter
Description
Global IP This is the Public/legal IP address that exist in the
Internet that will be transformed to one or more
private/Virtual IP address (LAN PC clients) e.g.
192.168.2.x. This means that the private IP addess(es)
selected will use the designated public IP address when
accessing the Internet
Note: You need to give your LAN PC clients a
fixed/static IP address for Address Mapping to work
properly.
Click <Apply> at the bottom of the screen to save the above configurations. You can now
configure other advance sections or start using the router (with the advance settings in place)