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Chapter µ
Configuring the Wireless-G Router
Wireless-G VPN Router with RangeBooster
Chapter µ:
Configuring the Wireless-G
VPN Router
Overview
Linksys recommends using the Setup CD-ROM for first-
time installation of the Router. If you do not wish to run
the Setup Wizard on the Setup CD-ROM, then follow the
steps in this chapter and use the Router’s Web-based
Utility to configure the Router. For advanced users, you
may configure the Router’s advanced settings through
the Web-based Utility.
This chapter will describe each web page in the Utility and
each page’s key functions. The Utility can be accessed via
your web browser through use of a computer connected
to the Router. For a basic network setup, most users only
have to use the following screens of the Utility:
Basic Setup. On the Basic Setup screen, enter the
settings provided by your ISP.
Management. Click the Administration tab and then
the Management tab. The Router’s default password
is admin. To secure the Router, change the Password
from its default.
There are seven main tabs: Setup, Wireless, Firewall, VPN,
QoS, Administration, and Status. Additional tabs will be
available after you click one of the main tabs.
Setup
Basic Setup. Enter the Internet connection and network
settings on this screen.
VLAN. The Router provides a port-based VLAN feature.
DDNS. On this screen, enable the Router’s Dynamic
Domain Name System (DDNS) feature.
MAC Address Clone. If you need to clone a MAC address
onto the Router, use this screen.
Advanced Routing. On this screen, configure the
dynamic and static routing configuration.
Wireless
Basic Wireless Settings. You can choose your wireless
network settings on this screen.
Wireless Security. You can choose your wireless security
settings on this screen.
Wireless Network Access. This screen displays your
network access list.
Advanced Wireless Settings. For advanced users, you
can alter data transmission settings on this screen.
WDS. This tab is used for Wireless Distribution System
(WDS).
Firewall
General. On this screen, you can configure a variety of
filters to enhance the security of your network.
Port Forwarding. To set up public services or other
specialized Internet applications on your network,
click this tab.
Port Triggering. To set up triggered ranges and
forwarded ranges for Internet applications, click this
tab.
DMZ. Click this tab to allow one local user to be exposed
to the Internet for use of special-purpose services.
Access Restriction. This tab allows you to block or
allow specific kinds of Internet usage and traffic during
specific days and times.
URL Filtering. This tab allows you to create an URL
Filtering policy.
VPN
VPN Client Access. Use this screen to designate VPN
clients and their passwords.
VPN Passthrough. This tab is used to allow VPN tunnels
to pass through the Router’s firewall using IPSec, L2TP,
or PPTP protocols.
IPSec VPN. The VPN Router creates a tunnel or
secure channel between two endpoints, so that
the transmitted data or information between these
endpoints is secure.
VPN
Summary.
This
page
summarizes
the
comprehensive details of IPSec VPN Tunnels.
QoS
Application-based QoS. This involves Internet traffic,
which may involve demanding, real-time applications,
such as videoconferencing.
Port-based QoS. This ensures better service to a specific
LAN port.
Administration
Management. Alter the Router’s password, its access
privileges, SNMP settings, and UPnP settings.
Log. If you want to view or save activity logs, click this
tab.
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Chapter µ
Configuring the Wireless-G Router
·
Wireless-G VPN Router with RangeBooster
Diagnostics. Use this screen to check the connection
between the Router and a PC.
Factory Default. If you want to restore the Router’s
factory defaults, then use this screen.
Firmware Upgrade. Click this tab if you want to upgrade
the Router’s firmware.
Reboot. Use this to restart the Router.
Status
Router. This screen provides status information about
the Router.
Local Network. This provides status information about
the local network.
Wireless.
Status
information
about
the
wireless
network is displayed here.
System Performance. Status information is provided
for all network traffic.
VPN Clients. This screen provides status information
about the Router’s VPN clients.
How to Access the Web-based Utility
To access the web-based utility, launch Internet Explorer
or Netscape Navigator, and enter the Router’s default
IP address,
±9².±¶8.±.±
, in the
Address
field. Then press
Enter
.
Address Bar of Web Browser
NOTE:
The default IP address is
±9².±¶8.±.±
. If
the IP address has been changed using DHCP,
enter the assigned IP address instead of the
default.
Password Request
A password request page will appear. (Windows XP users
will see a similar screen.) The first time you open the
web-based utility, enter
admin
(default user name) in
the
User Name
field, and enter
admin
(default password)
in the
Password
field.
Then click
OK
. You can change the
password later from the
Administration  >  Management 
screen.
After you log in, the web-based utility displays the Setup
tab’s
Basic  Settings 
screen. Make the necessary changes
through the Utility. When you have finished making
changes to a screen, click
Save Settings
to save the
changes, or click
Cancel Changes
to undo your changes.
Help information is shown on the right-hand side of a
screen. For additional information, click
More
.
The utility’s tabs and screens are described below.
Setup
The Setup tab is used to access all of the Router’s basic
setup functions.
Setup > Basic Settings
The first screen that appears is the Basic Setup tab. This
tab allows you to change the Router’s general settings.
Setup > Basic Settings - Automatic Configuration - DHCP
Internet Setup
The Internet Setup section configures the Router for
your Internet connection type. This information can be
obtained from your ISP.
Internet Connection Type
The Router supports six types
of connections. Each
Setup > Basic  Settings 
screen and
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Chapter µ
Configuring the Wireless-G Router
8
Wireless-G VPN Router with RangeBooster
available features will differ depending on what kind of
connection type you select. The connection types are:
Automatic Configuration - DHCP
Static IP
PPPoE
PPTP
L2TP
Automatic Configuration - DHCP
By default, the Router’s Configuration Type is set to
Automatic Configuration - DHCP
, and it should be kept
only if your ISP supports DHCP or you are connecting
through a dynamic IP address.
Automatic Configuration - DHCP
Static IP
If your connection uses a permanent IP address to connect
to the Internet, then select
Static IP.
Static IP
IP Address
This is the Router’s IP address, when seen
from the WAN, or the Internet. Your ISP will provide you
with the IP Address you need to specify here.
Subnet Mask
This is the Router’s Subnet Mask, as seen
by external users on the Internet (including your ISP). Your
ISP will provide you with the Subnet Mask.
Default Gateway
Your ISP will provide you with the
Default Gateway Address, which is the ISP server’s IP
address.
Primary
DNS
(Required)
and
Secondary
DNS
(Optional)
Your ISP will provide you with at least one
DNS (Domain Name System) Server IP Address.
When you have finished making changes to the screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes.
PPPoE
Some DSL-based ISPs use PPPoE (Point-to-Point Protocol
over Ethernet) to establish Internet connections. If you are
connected to the Internet through a DSL line, check with
your ISP to see if they use PPPoE. If they do, you will have
to enable PPPoE.
PPPoE
User Name and Password/Confirm Password
Enter
the User Name and Password provided by your ISP. Then,
enter the password again to confirm it.
Service Name
This is required by some service providers.
If your service provider has given you this information,
enter it in this field. If you are not sure if your service
provider requires this information, or if you do not know
the service name, leave this field blank.
Connect on Demand: Max Idle Time
You can configure
the Router to cut the Internet connection after it has been
inactive for a specified period of time (Max Idle Time), and
then automatically re-establish the connection as soon
as you attempt to access the Internet again. To activate
Connect on Demand, select the
Connect on Demand
option and enter in the
Max Idle Time
field the number of
seconds of inactivity that must elapse before your Internet
connection is terminated automatically.
Keep Alive
If you select this option, the Router will
periodically check your Internet connection. If you are
disconnected, then the Router will automatically re-
establish your connection. To use this option, click the
radio button next to
Keep Alive
.
When you have finished making changes to the screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes.
PPTP
Point-to-Point Tunneling Protocol (PPTP) is a service that
applies to connections in Europe and Israel only.
PPTP
IP Address
This is the Router’s IP address, when seen
from the WAN, or the Internet. Your ISP will provide you
with the IP Address you need to specify here.
Subnet Mask
This is the Router’s Subnet Mask, as seen
by external users on the Internet (including your ISP). Your
ISP will provide you with the Subnet Mask.
Default Gateway
Your ISP will provide you with the
Default Gateway Address.
PPTP Server IP
Enter the IP address of the PPTP server.
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Chapter µ
Configuring the Wireless-G Router
9
Wireless-G VPN Router with RangeBooster
User Name and Password
Enter the User Name and
Password provided by your ISP.
Connect on Demand: Max Idle Time
You can configure
the Router to cut the Internet connection after it has been
inactive for a specified period of time (Max Idle Time), and
then automatically re-establish the connection as soon
as you attempt to access the Internet again. To activate
Connect on Demand, select the
Connect on Demand
option and enter in the
Max Idle Time
field the number of
seconds of inactivity that must elapse before your Internet
connection is terminated automatically.
Keep Alive
If you select this option, the Router will
periodically check your Internet connection. If you are
disconnected, then the Router will automatically re-
establish your connection. To use this option, click the
radio button next to
Keep Alive
.
When you have finished making changes to the screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes.
L2TP
Layer 2 Tunneling Protocol (L2TP) is a service that tunnels
Point-to-Point Protocol (PPP) across the Internet. It is used
mostly in European countries. Check with your ISP for the
necessary setup information.
L2TP
IP Address
This is the Router’s IP address, when seen
from the WAN, or the Internet. Your ISP will provide you
with the IP Address you need to specify here.
Subnet Mask
This is the Router’s Subnet Mask, as seen
by external users on the Internet (including your ISP). Your
ISP will provide you with the Subnet Mask.
Default Gateway
Your ISP will provide you with the
Default Gateway Address.
L²TP Server IP
Enter the IP address of the L2TP server.
User Name and Password
Enter the User Name and
Password provided by your ISP.
Connect on Demand: Max Idle Time
You can configure
the Router to cut the Internet connection after it has been
inactive for a specified period of time (Max Idle Time), and
then automatically re-establish the connection as soon
as you attempt to access the Internet again. To activate
Connect on Demand, select the
Connect on Demand
option and enter in the
Max Idle Time
field the number of
seconds of inactivity that must elapse before your Internet
connection is terminated automatically.
Keep Alive
If you select this option, the Router will
periodically check your Internet connection. If you are
disconnected, then the Router will automatically re-
establish your connection. To use this option, click the
radio button next to
Keep Alive
.
When you have finished making changes to the screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes.
Optional Settings (Required by some ISPs)
Some of these settings may be required by your ISP. Verify
with your ISP before making any changes.
Optional Settings
Host Name and Domain Name
These fields allow you
to supply a host and domain name for the Router. Some
ISPs require these names as identification. You may have
to check with your ISP to see if your broadband Internet
service has been configured with a host and domain
name. In most cases, leaving these fields blank will work.
MTU
The MTU (Maximum Transmission Unit) setting
specifies the largest packet size permitted for network
transmission. Select
Manual
and enter the value desired.
It is recommended that you leave this value in the 1200
to 1500 range. For most DSL users, it is recommended to
use the value 1492. By default, MTU is set at
±µ00
when
disabled.
MTU Size
When
Manual
is selected in the MTU field, this
option is enabled. It is recommended that you set this
value within the range of 1200 to 1500, but the value can
be defined between 128 and 1500.
LAN Setup
The LAN Setup section allows you to change the Router’s
local network settings.
LAN IP
The Router’s Local IP Address and Subnet Mask are shown
here. In most cases, you can keep the defaults.
Local IP Address
The default value is 192.168.1.1.
Subnet Mask
The default value is 255.255.255.0.
Network Address Server Settings (DHCP)
The Router can be used as your network’s DHCP (Dynamic
Host Configuration Protocol) server, which automatically
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Chapter µ
Configuring the Wireless-G Router
±0
Wireless-G VPN Router with RangeBooster
assigns an IP address to each PC on your network. Unless
you already have one, it is highly recommended that you
leave the Router enabled as a DHCP server.
Local DHCP Server
DHCP is already enabled by factory
default. If you already have a DHCP server on your network,
set the Router’s DHCP option to
Disabled
. If you disable
DHCP, assign a static IP address to the Router.
Start IP Address
Enter a value for the DHCP server to
start with when issuing IP addresses. This value must be
192.168.1. 2 or greater, but smaller than 192.168.1.254,
because the default IP address for the Router is 192.168.1.1,
and 192.168.1.255 is the broadcast IP address.
Number of Address
Enter the maximum number of PCs
that you want the DHCP server to assign IP addresses
to. This number cannot be greater than 253. In order to
determine the DHCP IP Address range, add the starting IP
address (e.g., 100) to the number of DHCP users.
IP Address Range
The range of DHCP addresses is
displayed here.
Client Lease Time
This is the amount of time a DHCP
client can keep the assigned IP address before it sends a
renewal request to the DHCP server.
The Static IP Table shows the mapping of MAC addresses
to IP addresses. To use this feature, click
Static IP Table
,
then enter the Static IP Address and MAC address in the
fields, then click
Add
. To edit an entry, highlight the entry
in the table, click
Edit
, make your changes in the fields,
then click
Add
. To remove an entry, highlight the entry,
then click
Remove
.
Manual DNS Setting
To enter the DNS IP addresses
manually, check the box, then enter up to two IP addresses
in the fields provided.
Static IP Table
Time Settings
This is where you set the time for the Router. You can set
the time and date manually or automatically.
Manually
Select the date from the
Date
drop-down
menus. Then enter the time in the
Time
fields.
Automatically
Select your time zone from the
Time Zone
drop-down menu. If you want to enable the
Auto Daylight 
Savings
feature, click
Enabled
.
When you have finished making changes to the screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes.
Setup > VLAN
The
Setup > VLAN
screen allows you to use the Router’s
port-based VLAN feature.
Setup > VLAN
Port-based VLAN
Select
Enabled
to enable the feature.
When enabled, and a VLAN is selected, VLAN1 will be
enabled as a default VLAN, so you will have two VLANs.
Select
Disabled
to disable the feature. When this feature
is disabled, all LAN ports are on the same LAN.
Number of VLAN
Select the number of the VLAN from
the drop-down menu.
VLAN No.
Select the VLAN number to associate with the
desired port.
When you have finished making changes to the screen,
click
Save Settings
to save the changes, or click
Cancel
Changes
to undo your changes.
Setup > DDNS
The Router offers a Dynamic Domain Name System (DDNS)
feature. DDNS lets you assign a fixed host and domain
name to a dynamic Internet IP address. It is useful when
you are hosting your own website, FTP server, or other
server behind the Router and your ISP does not give you
a fixed IP address.
Before you can use this feature, you need to sign up for
DDNS service at one of two DDNS service providers,
DynDNS.org or TZO.com.

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