SMC Networks Barricade SMC7004VWBR V.2 - Manual (Page 54)

Configuring the Wireless Barricade Router
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If you use encryption, configure the same keys used for the
Wireless Barricade on each of your wireless clients. Note that
Wired Equivalent Privacy (WEP) protects data transmitted
between wireless nodes, but does not protect any transmissions
over your wired network or over the Internet.
Network Address Translation (NAT)
From this section you can configure the Address Mapping, Virtual
Server, and Special Application features that provide control over
the port openings in the Wireless Barricade’s firewall. This
section can be used to support several Internet based
applications such as VPN
Address Mapping
Allows one or more public IP addresses to be shared by multiple
internal users. Enter the Public IP address you wish to share into
the Global IP field. Enter a range of internal IPs that will share the
global IP.