Configuring DHCP

68

HomePortal 3801HGV Gateway User Guide

Configuring LAN Devices

Steps

1.

Navigate to

Settings

>

LAN

>

DHCP

. The

DHCP Configuration

page appears.

2.

Enable or disable the DHCP server by selecting or clearing the

DHCP Server Enabled

check

box.

3.

Select a relevant radio button from

DHCP Network Range

, to use the default range of IP

addresses or configure the DHCP server manually. If you are using the default range of IP

address, continue to step 5. However, if you want a limited range of IP addresses, then go

to step 4.

Allocating IP Addresses

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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.

Allocating IP Addresses

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HomePortal 3801HGV Gateway User Guide

Configuring LAN Devices

Steps

1.

Navigate to

Settings

>

LAN

>

IP Address Allocation

. The

Public-Private NAT Mappings

and Device IP Allocation

page appears.

2.

Navigate to the relevant device for changing the configuration to override the default DHCP

settings.

3.

Enable or disable the firewall by selecting the relevant option from the

Firewall

drop-down

list.

4.

Select the specific address type from the

Address Assignment

drop-down list. You can

select from the private IP address pool, or assign a static IP to the device.

NOTE TO REVIEWER:

Unsure of the purpose for this field.

5.

Leave the

WAN IP Mapping

drop-down list as is. This menu reads

Router WAN IP Address

as the default selection.

Allocating IP Addresses

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HomePortal 3801HGV Gateway User Guide

Configuring LAN Devices

NOTE TO REVIEWER:

Unsure whether this field remains as is. Any configuration change might bring

up more options in the drop-down list. Need inputs for the same.

6.

Click

Save

. This saves the allocated IP address to a specific device or devices.

7.

Restart the gateway to view the updated configuration on this page.

See Also

Configuring Broadband Settings

on page 34

Using Diagnostics Features

on page 93

Troubleshooting 3801HGV Gateway

on page 109

72

CHAPTER 10

Configuring Firewall Settings

This chapter provides information about the tasks you can perform in the

Firewall

tab. Following are

the links under the

Firewall

tab, and associated tasks:

•

Status

•

Viewing Firewall Status

on page 72

•

Applications, Pinholes and DMZ

•

Configuring Firewall Settings

on page 73

•

Advanced Configuration

•

Disabling Attack Detection

on page 80

•

Controlling Inbound and Outbound Traffic

on page 82

•

Configuring Firewall Security Enhancements

on page 83

•

Configuring Application Layer Gateway

on page 83

Viewing Firewall Status

To view the Firewall status page, navigate to

Settings

>

Firewall

>

Status

. The

Status

page

appears.