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Allocating IP Addresses 69
HomePortal 3801HGV Gateway User Guide Configuring LAN Devices
Note 3801HGV supports four subnets simultaneously on the LAN. The 192.168.1.0 /
255.255.255.0 (default) is used as a private subnet by the end user. The 172.16.0.0 /
255.255.0.0 is used as the secondary subnet or public routed subnet by the end user. The
remaining options, 10.0.0.0 / 255.255.0.0 and Configure manually are held in reserve to
be configured and used by the service provider.
4. Select the Configure manually radio button for setting up a range IP addresses to be
assigned to LAN clients. To populate the text fields under this section, refer to the following
information:
a. Enter the IP address of your gateway (default is 192.168.1.254) used for all
communication on your local devices in the Router Address text box.
b. Enter the subnet mask (default is 255.255.255.0) used for all communication on your
local devices in the Subnet Mask text box.
c. Enter the first IP address in the DHCP address pool that you will be distributing over
the private network in the First DHCP Address text box.
d. Enter the last IP address in the DHCP address pool that you will be distributing over the
private network in the Last DHCP Address text box.
5. Enter a numerical value in the DHCP Lease Time text box. This value represents the
number of hours you can use the assigned IP address before the DHCP lease expires.
6. Select Private Network from the New Device DHCP Pool drop-down list for assigning IP
addresses to LAN clients from the private IP address pool. Select Public Network to
assign IP addresses to LAN clients from public IP address pool. Public network selection is
available only when bridge mode is enabled.
Note Change to the Public IP addressing only when used in conjunction with DMZplus or
secondary subnet functionality that allows you to have public IP addresses routed through
the device.
7. Click Save. This saves the DHCP configuration changes.
Allocating IP Addresses
Objective
To allocate specific IP addresses to devices that are running in the DHCP mode, and map devices
to particular static or private IP addresses.
For Internet public hosting of application or servers associated with static addresses, you can map
a device to a specific static IP address or to the next unassigned address from the public pool.