NETGEAR DGND3300 - Manual (Page 22)

RangeMax Dual Band Wireless-N Modem Router DGND3300 User Manual
1-8 Configuring Your Internet Connection
v1.0, March 2009
Configuring ADSL Settings
NAT (Net Address Translation) NAT automatically assigns private IP addresses (10.1.1.x) to
LAN-connected devices.
• Enable. Usually NAT is enabled.
• Disable. This disables NAT, but leaves the firewall active.
Disable NAT only if you are sure that you do not require it.
When NAT is disabled, only standard routing is performed
by this router. Classical routing lets you directly manage the
IP addresses that the modem router uses. Classical routing
should be selected only by experienced users
a
• Disable firewall. This disables the firewall in addition to
disabling NAT. With the firewall disabled, the protections
usually provided to your network are disabled.
This field
appears only if
your ISP does
not require a
login. Router MAC Address Your computer’s local address is its unique address on your
network. This is also referred to as the computer’s MAC
(Media Access Control) address.
• Use Default MAC Address. This is the usual setting.
• Use Computer MAC address. If your ISP requires MAC
authentication, you can use this setting to disguise the
modem router’s MAC address with the computer’s own MAC
address.
• Use This MAC Address. If your ISP requires MAC
authentication, you can manually type the MAC address for
a different computer. The format for the MAC address is
XX:XX:XX:XX:XX:XX.
a. Disabling NAT reboots the modem router and resets its configuration settings to the factory defaults. Disable NAT only if you
plan to install the modem router in a setting where you will be manually administering the IP address space on the LAN side
of the router.
Note: For information about how to install ADSL filters, see the Setup Manual.
Table 1-1. Basic Settings screen fields (continued)
Settings Description