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N150 Wireless ADSL2+ Modem Router DGN1000 User Manual
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When your ISP requires a login, these fields display:
Encapsulation. Encapsulation is a method for enclosing multiple protocols. PPP
stands for Point-to-Point Protocol. The choices are PPPoE (PPP over Ethernet) or
PPPoA (PPP over ATM).
Login. The login name provided by your ISP. This is often an email address.
Password. The password that you use to log in to your ISP.
Idle Timeout (In minutes). If you want to change the login timeout, enter a new value
in minutes. This determines how long the wireless modem router keeps the Internet
connection active after there is no Internet activity from the LAN. Entering a value of 0
(zero) means never log out.
Internet IP Address.
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When a login is required, these fields display:
Get Dynamically from ISP. Your ISP uses DHCP to assign your IP address. Your ISP
automatically assigns these addresses.
Use Static IP Address. Enter the IP address, IP subnet mask, and the gateway IP
address that your ISP assigned. The gateway is the ISP's wireless modem router to
which your wireless modem router will connect.
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When a login is not required, this field displays:
Use IP Over ATM (IPoA). Your ISP uses classical IP addresses (RFC 1577). Enter the
IP address, IP subnet mask, and gateway IP addresses that your ISP assigned.
Domain Name Server (DNS) Address. The DNS server is used to look up site addresses
based on their names.
Get Automatically from ISP. Your ISP uses DHCP to assign your DNS servers. Your ISP
automatically assigns this address.
Use These DNS Servers. If you know that your ISP does not automatically transmit DNS
addresses to the wireless modem router during login, select this option, and enter the IP
address of your ISP's primary DNS server. If a secondary DNS server address is
available, enter it also.
NAT (Network 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 you do not need it. When NAT is disabled, only standard routing is performed by this
router. Classical routing lets you directly manage the IP addresses that the wireless
modem router uses. Classical routing should be selected only by experienced users.
1. Disabling NAT reboots the wireless modem router and resets its configuration settings to the factory defaults. Disable
NAT only if you plan to set up the wireless modem router in a setting where you will be manually administering the IP
address space on the LAN side of the router.
Chapter 2. Router Internet Setup
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