D-Link DSA-3100 Manual page 20

Using the Configuration Utility (continued)
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The DSA-3100 allows the gateway to be set to one of three Authentication modes.
Mode:
Select NAT; NAT_IP_PNP or Router
NAT:
NAT_IP_PNP:
Router:
IP Address:
Enter the IP address for the Authentication interface (the Public
Network).
Subnet
Mask:
Enter the subnet mask for the Authentication interface.
Disable
Make this selection if you do not wish to use the built-in DHCP feature
DHCP
in the DSA-3100.
Server:
This mode protects the identity of the devices within
the LAN from those devices outside the network.
All devices, regardless of their IP address, can gain
access to the Internet through the DSA-3100 in this
mode.
In this mode, the DSA-3100 will not protect the
identity of the connected devices by translating their
IP addresses and shielding them from detection
outside the LAN.
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