Chapter 3
Configuring the Gateway
19
Configuring a publicly routed subnet
You can create a local network that has broadband network-accessible IP addresses
by creating a route from the Internet to the specified public network. This feature is
typically used with broadband service that provides a range of available IP addresses.
Once enabled, the public IP addresses can be assigned to local computers.
Set up the LAN publicly routed subnet first if you want to use the public address with
your DHCP configuration.
1. Open the gateway home page at http://192.168.1.254.
2. Click the
Settings
tab, then click the
Broadband
tab.
3. Click
Link Configuration
.
4. Under
Supplementary Network
, locate
Add Additional Network
, and click
Enable
.
5. Enter the following information:
•
Router Address
. The router IP address for the secondary subnet, provided by
the service provider.
•
Subnet Mask
. The router mask for the secondary subnet, provided by the
service provider.
•
Auto Firewall Open
. (optional) Disables the firewall for all devices using
addresses from this subnet. The firewall is enabled by default.
You can enable the firewall individually per device (See “Allocating IP
addresses” on page 20) or per application (“Allowing all applications
(DMZplus)” on page 23).
6. Click
Save
.
Configuring LAN settings
Typically, your Internet service provider automatically assigns and configures an IP
address when the gateway connects to the Internet. Advanced users can use a static
IP address that allows them to run services like file servers or mail servers. Service
providers typically offer static IP addresses as an extra service.
Change these settings only if you are familiar with networking concepts.
