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Obtaining information from the ISP
After your account is set up, your ISP may send you IP parameters for you to use on your LAN. While you may
determine your own IP addressing scheme using NAT, there are a few key parameters that must come from your
ISP.
Local LAN IP address information to obtain
Your ISP will need to provide you with the following information:
The default gateway IP address (same as remote IP address in most cases)
Local WAN IP address and subnet mask
Primary and secondary domain name server (DNS) IP addresses
Domain name (usually the same as the ISP's domain name unless you have registered for your own
individual domain name)
Note: The default gateway, WAN address and mask, DNS, and domain name are all obtainable via WAN DHCP,
if your ISP supports it.
With Network Address Translation
If you are using NAT, you should obtain the following:
If you are connecting to a remote site using Network Address Translation on your router, your provider will
not define the IP address information on your local LAN. You can define this information based on an IP
configuration that may already be in place for the existing network. Alternatively, you can use the default IP
address used by the router, 192.168.1.1, with a subnet mask of 255.255.255.0.
Without Network Address Translation
If you are not using Network Address Translation, you will need to obtain all of the local LAN IP address
information from your ISP.
If you are not using NAT, you should obtain:
The number of Ethernet IP host addresses available with your account and the first usable IP host address
in the address block
The Ethernet IP address for your Netopia R6000 Series
The Ethernet IP subnet mask address for your Netopia R6000 Series
Setting Up Internet Services 2-3
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