4. L2TP
The DHCP connection method is suitable if the ISP provides an IP address automatically using
DHCP (e.g., satellite modem, WiMAX modem, cable, Metro Ethernet, etc.).
NAT allows substituting the real address in a packet with a mapped address that
is routable on the destination network. By clicking the help icon in this field, you
can display the IP Forwarding option, if your network requires it.
IP Address/
Subnet Mask/
Default Gateway
This information is obtained from the ISP automatically.
If your service provider's DHCP server requires you to supply a hostname value
upon acquiring an IP address, you may enter the value here. If your service
provider does not provide you with the value, you can safely bypass this option.
Each ISP may provide a set of DNS servers for DNS lookups. This setting
specifies the DNS (Domain Name System) servers to be used when a DNS
lookup is routed through this connection.
Selecting Obtain DNS server address automatically results in the DNS servers
being assigned by the WAN DHCP server to be used for outbound DNS lookups
over the connection. (The DNS servers are obtained along with the WAN IP
address assigned from the DHCP server.)
When Use the following DNS server address(es) is selected, you may enter
custom DNS server addresses for this WAN connection into the DNS Server 1
and DNS Server 2 fields.
10.1.2 Static IP Connection
The static IP connection method is suitable if your ISP provides a static IP address to connect
directly.
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