Chapter 4
Advanced Configuration
11
10/100 8-Port VPN Router
If you want to delete a subnet you have created, select it
and click
Delete selected subnet
. Click
Save Settings
to save your changes, or click
Cancel Changes
to undo
them. Click
Exit
to return to the
Network
screen.
You can also divide a Class C network into four subnets.
For example, the current LAN settings show the Device
IP Address as 192.168.1.1 and the Subnet Mask as
255.255.255.192.
LAN Settings Example
To get the other three subnets, enter the following:
Subnet 1
LAN IP Address
•
192.168.2.65
Subnet Mask
•
255.255.255.192
Subnet 2
LAN IP Address
•
192.168.2.129
Subnet Mask
•
255.255.255.192
Subnet 3
LAN IP Address
•
192.168.2.193
Subnet Mask
•
255.255.255.192
Click
Add to List
. Then click
Save Settings
.
Create Three Additional Subnets
Dual-WAN/DMZ Setting
Before configuring the WAN Connection Type settings,
select
Dual WAN
or
DMZ
. The Dual WAN setting allows you
to simultaneously connect two broadband connections to
the Router. On the
System Management > Dual-WAN
screen,
you can specify using one as a primary connection, with
Smart Link Backup or using both connections in concert,
with Load Balance. The DMZ setting allows one network
PC to be exposed to the Internet to use special-purpose
services, such as Internet gaming or videoconferencing.
WAN Connection Type
Configure the settings for the WAN or DMZ ports.
WAN1/2
These are the available connection types: Obtain an IP
automatically, Static IP, PPPoE, PPTP, Transparent Bridge,
and Heart Beat Signal. Depending on which connection
type you select, you will see various settings.
Obtain an IP Automatically
If your ISP automatically assigns an IP address, select
Obtain an IP automatically
. (Most cable modem
subscribers use this connection type.) Your ISP assigns
these values.
Obtain an IP Automatically
Use the Following DNS Server Addresses
If you want to
specify DNS server IP addresses, select this option.
DNS Server (Required) 1/2
If you select Use the Following
DNS Server Addresses, enter at least one DNS server IP
address. Multiple DNS server IP settings are common. In
most cases, the first available DNS entry is used.
MTU
The Maximum Transmission Unit (MTU) setting
specifies the largest packet size permitted for network
transmission. In most cases, keep the default,
Auto
.
To specify the MTU, select
Manual
, and then enter the
maximum MTU size.
Click
Save Settings
to save your changes, or click
Cancel
Changes
to undo them.
Static IP
If you are required to use a permanent IP address, select
Static IP
.