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Page 76 / 128 Scroll up to view Page 71 - 75
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.
Page 77 / 128
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.
Page 78 / 128
Allocating IP Addresses
70
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.
Page 79 / 128
Allocating IP Addresses
71
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
Page 80 / 128
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.

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