Your Guide to the Wireless-G ADSL Home Gateway has been designed to make understanding networking with
the Gateway easier than ever. Look for the following items when reading this User Guide:
This checkmark means there is a Note of interest and
is something you should pay special attention to while
using the Gateway.
This exclamation point means there is a Caution or
Warning and is something that could damage your
property or the Gateway.
This question mark provides you with a reminder about
something you might need to do while using the Gateway.
In addition to these symbols, there are definitions for technical terms that are presented like this:
word: definition.
Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like
this:
Figure numbers and descriptions can also be found in the “List of Figures” section in the “Table of Contents”.
WAG354G-EU-UG-50429C JL
Figure 0-1: Sample Figure Description
Wireless-G ADSL Home Gateway
Table of Contents
Chapter 1: Introduction1
Welcome1
What’s in this User Guide?2
Chapter 2: Planning Your Network4
The Gateway’s Functions4
IP Addresses4
Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway6
Ports and Reset Button on Side Panel6
LEDs on Side Panel7
The Top Panel8
The Bottom Panel9
Chapter 4: Connecting the Wireless-G ADSL Home Gateway10
Overview10
Wired Connection to a Computer11
Wireless Connection to a Computer12
Chapter 5: Configuring the Wireless-G ADSL Home Gateway13
Overview13
How to Access the Web-based Utility15
The Setup Tab15
The Wireless Tab23
The Security Tab28
The Access Restrictions Tab30
The Applications and Gaming Tab32
The Administration Tab37
The Status Tab43
Appendix A: Troubleshooting47
Common Problems and Solutions47
Frequently Asked Questions55
Figure 2-1: Network4
Figure 3-1: Ports and Reset Button on Side Panel6
Figure 3-2: LEDs on Side Panel7
Figure 3-3: Top Panel8
Figure 3-4: Top Panel with Optional Antenna8
Figure 3-5: Bottom Panel with Stand in Closed Position9
Figure 3-6: Gateway Using Stand9
Figure 4-1: Connect the ADSL Line11
Figure 4-2: Connect a PC11
Figure 4-3: Connect the Power11
Figure 4-4: Connect the ADSL Line12
Figure 4-5: Connect the Power12
Figure 5-1: Login Screen15
Figure 5-2: Basic Setup15
Figure 5-3: RFC 1483 Bridged - Dynamic IP16
Figure 5-4: RFC 1483 Bridged - Static IP16
Figure 5-5: RFC 1483 Routed17
Figure 5-6: RFC 2516 PPPoE17
Figure 5-7: RFC 2364 PPPoA18
Figure 5-8: Bridged Mode Only18
Figure 5-9: Optional Settings19
Figure 5-10: DynDNS.org20
Figure 5-11: TZO.com20
Figure 5-12: Advanced Routing21
Figure 5-13: Routing Table22
Figure 5-14: Basic Wireless Settings23
Figure 5-15: WPA Pre-Shared Key24
Figure 5-16: WEP25
Figure 5-17: Wireless Network Access26
Figure 5-18: MAC Address Filter List26
Figure 5-19: Wireless Client MAC List26
Figure 5-20: Advanced Wireless Settings27
Wireless-G ADSL Home Gateway
Figure 5-21: Security28
Figure 5-22: Firewall Log29
Figure 5-23: Internet Access30
Figure 5-24: Internet Policy Summary30
Figure 5-25: List of PCs31
Figure 5-26: Add/Edit Service31
Figure 5-27: Single Port Forwarding32
Figure 5-28: Port Range Forwarding33
Figure 5-29: Port Triggering34
Figure 5-30: DMZ35
Figure 5-31: QoS36
Figure 5-32: Management37
Figure 5-33: Allowed IP - IP Range37
Figure 5-34: Reporting39
Figure 5-35: System Log39
Figure 5-36: Ping Test40
Figure 5-37: Backup&Restore40
Figure 5-38: Factory Defaults41
Figure 5-39: Firmware Upgrade41
Figure 5-40: Reboot42
Figure 5-41: Gateway43
Figure 5-42: Local Network44
Figure 5-43: DHCP Active IP Table44
Figure 5-44: ARP/RARP Table44
Figure 5-45: Wireless45
Figure 5-46: Networked Computers45
Figure 5-47: DSL Connection46
Figure C-1: IP Configuration Screen65
Figure C-2: MAC Address/Adapter Address65
Figure C-3: MAC Address/Physical Address66
Figure D-1: Firmware Upgrade67
Wireless-G ADSL Home Gateway
Chapter 1: Introduction
Welcome
Thank you for choosing the Wireless-G ADSL Home Gateway. This Gateway will provide your computers with a
high-speed Internet connection as well as resources, including files and printers. Since the Gateway is wireless,
Internet access can be shared over the wired network as well as the wireless broadcast at up to 11Mbps for
Wireless-B or up to 54Mbps for Wireless-G.
How does the Gateway do all of this? By connecting the Internet, as well as your computers and peripherals, to
the Gateway, then the Gateway can direct and control communications for your network.
To protect your data and privacy, the Gateway features an advanced firewall to keep out Internet intruders.
Wireless transmissions can be protected by powerful data encryption. In addition, you can safeguard your family
with parental control features such as Internet access restrictions and keyword blocking. You can configure the
Gateway’s settings through the easy-to-use, browser-based utility.
But what does all of this mean?
Networks are useful tools for sharing Internet access and computer resources. You can access one printer from
different computers and access data located on another computer’s hard drive. Networks are even used for
playing multiplayer video games. So, networks not only are useful in homes and offices, but also can be fun.
PCs on a wired network create a LAN, or Local Area Network. They are connected with Ethernet cables, which is
why the network is called “wired”. PCs equipped with wireless cards or adapters can communicate without
cumbersome cables. By sharing the same wireless settings, within their transmission radius, they form a
wireless network. This is sometimes called a WLAN, or Wireless Local Area Network. Since the Gateway has
wireless capabilities, it can bridge your wired and wireless networks, letting them communicate with each other.
With your networks all connected, wired, wireless, and the Internet, you can now share files and Internet
access—and even play games. All the while, the Wireless-G ADSL Home Gateway protects your networks from
unauthorized and unwelcome users.
Linksys recommends using the Setup CD-ROM for first-time installation of the Gateway. If you do not wish to run
the Setup Wizard on the Setup CD-ROM, then use the instructions in this Guide to help you connect the Gateway,
set it up, and configure it to bridge your different networks. These instructions should be all you need to get the
most out of the Wireless-G ADSL Home Gateway.
wpa (wi-fi protected access): a wireless security
protocol using TKIP (Temporal Key Integrity Protocol)
encryption, which can be used in conjunction with a
RADIUS server.
spi (stateful packet inspection) firewall: a technology
that inspects incoming packets of information before
allowing them to enter the network.
firewall: Security measures that protect the
resources of a local network from intruders.
nat (network address translation): NAT technology
translates IP addresses of a local area network to a
different IP address for the Internet.
network: a series of computers or devices
connected for the purpose of data sharing,
storage, and/or transmission between users
lan (local area network): The computers and
networking products that make up the network in
your home or office.
Chapter 1: Introduction
Welcome
1
Wireless-G ADSL Home Gateway
What’s in this User Guide?
This user guide covers the steps for setting up and using the Wireless-G ADSL Home Gateway.
• Chapter 1: Introduction
This chapter describes applications of the Wireless-G ADSL Home Gateway and this User Guide.
• Chapter 2: Planning Your Network
This chapter describes the basics of networking.
• Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway
This chapter describes the physical features of the Gateway.
• Chapter 4: Connecting the Wireless-G ADSL Home Gateway
This chapter instructs you on how to connect the Gateway to your network.
• Chapter 5: Configuring the Wireless-G ADSL Home Gateway
This chapter explains how to use the Web-based Utility to configure the settings on the Gateway.
• Appendix A: Troubleshooting
This appendix describes some problems and solutions, as well as frequently asked questions, regarding
installation and use of the Wireless-G ADSL Home Gateway.
• Appendix B: Wireless Security
This appendix explains the risks of wireless networking and some solutions to reduce the risks.
• Appendix C: Finding the MAC Address and IP Address for your Ethernet Adapter.
This appendix describes how to find the MAC address for your computer’s Ethernet adapter so you can use
the MAC filtering and/or MAC address cloning feature of the Gateway.
• Appendix D: Upgrading Firmware
This appendix instructs you on how to upgrade the firmware on the Gateway if you should need to do so.
• Appendix E: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
• Appendix F: Specifications
This appendix provides the technical specifications for the Gateway.
• Appendix G: Warranty Information
This appendix supplies the warranty information for the Gateway.
Chapter 1: Introduction
What’s in this User Guide?
2
Wireless-G ADSL Home Gateway
• Appendix H: Regulatory Information
This appendix supplies the regulatory information regarding the Gateway.
• Appendix I: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
Chapter 1: Introduction
What’s in this User Guide?
3
Wireless-G ADSL Home Gateway
Chapter 2: Planning Your Network
The Gateway’s Functions
A Gateway is a network device that connects two networks together.
In this instance, the Gateway connects your Local Area Network (LAN), or the group of computers in your home or
office, to the Internet. The Gateway processes and regulates the data that travels between these two networks.
The Gateway’s NAT feature protects your network of computers so users on the public, Internet side cannot “see”
your computers. This is how your network remains private. The Gateway protects your network by inspecting
every packet coming in through the Internet port before delivery to the appropriate computer on your network.
The Gateway inspects Internet port services like the web server, ftp server, or other Internet applications, and, if
allowed, it will forward the packet to the appropriate computer on the LAN side.
Remember that the Gateway’s ports connect to two sides. The LAN ports connect to the LAN, and the ADSL port
connects to the Internet. The LAN ports transmit data at 10/100Mbps.
IP Addresses
What’s an IP Address?
IP stands for Internet Protocol. Every device on an IP-based network, including computers, print servers, and
Gateways, requires an IP address to identify its “location,” or address, on the network. This applies to both the
Internet and LAN connections. There are two ways of assigning an IP address to your network devices. You can
assign static IP addresses or use the Gateway to assign IP addresses dynamically.
Static IP Addresses
A static IP address is a fixed IP address that you assign manually to a computer or other device on the network.
Since a static IP address remains valid until you disable it, static IP addressing ensures that the device assigned
it will always have that same IP address until you change it. Static IP addresses must be unique and are
commonly used with network devices such as server computers or print servers.
Chapter 2: Planning Your Network
The Gateway’s Functions
Figure 2-1: Network
ip (internet protocol): a protocol used to send data
over a network
NOTE: Since the Gateway is a device that connects
two networks, it needs two IP addresses—one for
the LAN, and one for the Internet. In this User Guide,
you’ll see references to the “Internet IP address”
and the “LAN IP address.”
Since the Gateway uses NAT technology, the only IP
address that can be seen from the Internet for your
network is the Gateway’s Internet IP address.
However, even this Internet IP address can be
blocked, so that the Gateway and network seem
invisible to the Internet—see the Block WAN
Requests description under Security in “Chapter 5:
Configuring the Wireless-G ADSL Home Gateway.”
4
Wireless-G ADSL Home Gateway
Since you use the Gateway to share your DSL Internet connection, contact your ISP to find out if they have
assigned a static IP address to your account. If so, you will need that static IP address when configuring the
Gateway. You can get that information from your ISP.
Dynamic IP Addresses
A dynamic IP address is automatically assigned to a device on the network, such as computers and print servers.
These IP addresses are called “dynamic” because they are only temporarily assigned to the computer or device.
After a certain time period, they expire and may change. If a computer logs onto the network (or the Internet) and
its dynamic IP address has expired, the DHCP server will automatically assign it a new dynamic IP address.
Computers and other network devices using dynamic IP addressing are assigned a new IP address by a DHCP
server. The computer or network device obtaining an IP address is called the DHCP client. DHCP frees you from
having to assign IP addresses manually every time a new user is added to your network.
A DHCP server can either be a designated computer on the network or another network device, such as the
Gateway. By default, the Gateway’s DHCP Server function is enabled.
If you already have a DHCP server running on your network, you must disable one of the two DHCP servers. If you
run more than one DHCP server on your network, you will experience network errors, such as conflicting IP
addresses. To disable DHCP on the Gateway, see the DHCP section in “Chapter 5: Configuring the Wireless-G
ADSL Home Gateway.”
Chapter 2: Planning Your Network
IP Addresses
5
Wireless-G ADSL Home Gateway
Chapter 3: Getting to Know the Wireless-G ADSL Home
Gateway
Ports and Reset Button on Side Panel
The Gateway’s ports and Reset button are located on a side panel.
Figure 3-1: Ports and Reset Button on Side Panel
LineThe Line port connects to the ADSL line.
Ethernet (1-4)The Ethernet ports connect to your computers and other network devices.
Reset ButtonThere are two ways to reset the Gateway's factory defaults. Either press the Reset Button, for
approximately ten seconds, or restore the defaults from the Factory Defaults screen of the
Administration tab in the Gateway’s Web-based Utility.
PowerThe Power port is where you will connect the power adapter.
Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway
Ports and Reset Button on Side Panel
IMPORTANT: Resetting the Gateway to factory
defaults will erase all of your settings
(including Internet connection, wireless, and
other settings) and replace them with the
factory defaults. Do not reset the Gateway if
you want to retain these settings.
6
Wireless-G ADSL Home Gateway
LEDs on Side Panel
The Gateway's LEDs, which indicate network activity, are located on the other side panel.
Figure 3-2: LEDs on Side Panel
POWERGreen. The POWER LED lights up when the Gateway is powered on.
WIRELESSGreen. The WIRELESS LED lights up whenever there is a successful wireless connection. If the
LED is flashing, the Gateway is actively sending or receiving data to or from one of the devices
on the network.
ETHERNET (1-4) Green. The ETHERNET LED serves two purposes. If the LED is continuously lit, the Gateway is
successfully connected to a device through the LAN port. If the LED is flashing, it is an
indication of any network activity.
DSL Green. The DSL LED lights up whenever there is a successful DSL connection. The LED blinks
while the Gateway is establishing the ADSL connection.
INTERNETGreen. The INTERNET LED lights up green when an Internet connection to the Internet Service
Provider (ISP) is established. The INTERNET LED lights up red when the connection to the ISP
fails.
Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway
LEDs on Side Panel
7
Wireless-G ADSL Home Gateway
The Top Panel
The Gateway comes with a built-in antenna; however, you can attach an optional antenna. (Note: This antenna is
currently not available in Europe.) The Linksys 5dBi High Gain Antenna for SMA Connectors (model number:
HGA5S) is available for increased range. The Gateway’s SMA port for the optional antenna is located on the top
panel. To access the SMA port, push the tab. To attach the antenna, insert the base of the antenna into the SMA
port and tighten it clockwise by hand.
Note: This antenna is currently not available in Europe. For other options
please visit www.linksys.com/international.
Figure 3-3: Top Panel
Antenna Base
SMA Port
Tab
Figure 3-4: Top Panel with Optional
Antenna
Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway
The Top Panel
8
Wireless-G ADSL Home Gateway
The Bottom Panel
The Gateway has a built-in stand available. If you place the Gateway flat on a surface, then you can leave the
stand in the closed position. However, if you want the Gateway to be upright, swivel the stand clockwise 90º and
position the Gateway accordingly.
Figure 3-5: Bottom Panel with Stand in
Closed Position
Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway
The Bottom Panel
Figure 3-6: Gateway Us ing Stand
9
Wireless-G ADSL Home Gateway
Chapter 4: Connecting the Wireless-G ADSL Home Gateway
Overview
The installation technician from your ISP should have left the setup information for the modem with you after
installing your broadband connection. If not, you can call your ISP to request that data.
After you have the setup information you need for your specific type of Internet connection, you can begin
installation and setup of the Gateway.
If you want to use a computer with an Ethernet adapter to configure the Gateway, continue to “Wired Connection
to a Computer.” If you want to use a computer with a wireless adapter to configure the Gateway, continue to
“Wireless Connection to a Computer.”
Chapter 4: Connecting the Wireless-G ADSL Home Gateway
Overview
10
Wireless-G ADSL Home Gateway
Wired Connection to a Computer
1. Make sure that all of your network’s hardware is powered off, including the Gateway and all computers.
2. Connect a phone cable from the Line port on the Gateway’s side panel to the wall jack of the ADSL line. A
small device called a microfilter (not included) may be necessary between each phone and wall jack to
prevent interference. Contact your ISP if you have any questions.
NOTE:
A small device called a microfilter (not included) may be necessary between each phone
and wall jack to prevent interference. Contact your ISP if you have any questions.
IMPORTANT: For countries that have phone jacks with RJ-11 connectors, make sure to only place
the microfilters between the phone and the wall jack and not between the Gateway and the wall
jack or your ADSL will not connect.
For countries that do not have phone jacks with RJ-11 connectors (e.g. France, Sweden,
Switzerland, United Kingdom, etc.), except for ISDN users, the microfilter has to be used between
the Gateway and the wall jack, because the microfilter will have the RJ-11 connector.
Annex B users (E1 and DE versions of the Gateway) must use the included special cable to connect
the Gateway to the wall jack (RJ-45 to RJ-12). If you require splitters or special jacks, please
contact your service provider.
Figure 4-1: Connect the ADSL Line
3. Connect one end of an Ethernet network cable to one of the Ethernet ports (labeled 1-4) on the back of the
Gateway, and the other end to an Ethernet port on a computer.
Repeat this step to connect more computers, a switch, or other network devices to the Gateway.
4. Connect the power adapter to the Gateway’s Power port, and then plug the power adapter into a power outlet.
NOTE: You should always plug the Gateway’s power adapter into a power strip with
surge protection.
The Power LED on the front panel will light up green as soon as the power adapter is connected properly. The
Power LED will flash for a few seconds, and then it will be solidly lit when the self-test is complete. If the LED
flashes for one minute or longer, see “Appendix A: Troubleshooting.”
5. Power on one of your computers that is connected to the Gateway.
Go to “Chapter 5: Configuring the Wireless-G ADSL Home Gateway.”
Chapter 4: Connecting the Wireless-G ADSL Home Gateway
Wired Connection to a Computer
Figure 4-2: Connect a PC
Figure 4-3: Connect the Power
11
Wireless-G ADSL Home Gateway
Wireless Connection to a Computer
If you want to use a wireless connection to access the Gateway, follow these instructions:
1. Make sure that all of your network’s hardware is powered off, including the Gateway and all computers.
2. Connect a phone cable from the Line port on the Gateway’s back panel to the wall jack of the ADSL line. A
small device called a microfilter (not included) may be necessary between each phone and wall jack to
prevent interference. Contact your ISP if you have any questions.
NOTE:
A small device called a microfilter (not included) may be necessary between each phone
and wall jack to prevent interference. Contact your ISP if you have any questions.
IMPORTANT: For countries that have phone jacks with RJ-11 connectors, make sure you only place
the microfilters between the phone and the wall jack and not between the Gateway and the wall jack
or your ADSL will not connect.
For countries that do not have phone jacks with RJ-11 connectors (e.g. Fr ance , Sweden, Switzerland,
United Kingdom, etc.), except for ISDN users, the microfilter has to be used between the Gateway and
the wall jack, because the microfilter will have the RJ-11 connector.
Annex B users (E1 and DE versions of the Gateway) must use the included special cable to connect
the Gateway to the wall jack (RJ-45 to RJ-12). If you require splitters or special jacks, please contact
your service provider.
3. Connect the power adapter to the Power port, and then plug the power adapter into a power outlet.
The Power LED on the front panel will light up green as soon as the power adapter is connected properly. The
Power LED will flash for a few seconds, and then it will be solidly lit when the self-test is complete. If the LED
flashes for one minute or longer, see “Appendix A: Troubleshooting.”
4. Power on one of the computers on your wireless network(s).
5. For initial access to the Gateway through a wireless connection, make sure the computer’s wireless adapter
has its SSID set to linksys (the Gateway’s default setting), and its wireless security is disabled. After you have
accessed the Gateway , you can change the Gateway and this computer’ s adapter settings to match your usual
network settings.
Figure 4-4: Connect the ADSL Line
Figure 4-5: Connect the Power
Go to “Chapter 5: Configuring the Wireless-G ADSL Home Gateway.”
Chapter 4: Connecting the Wireless-G ADSL Home Gateway
Wireless Connection to a Computer
NOTE: You should always change the SSID from its
default, linksys, and enable wireless security.
12
Wireless-G ADSL Home Gateway
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
Overview
Follow the steps in this chapter and use the Gateway’s web-based utility to configure the Gateway. 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 Gateway. 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 Gateway’ s default username
and password is admin. To secure the Gateway, change the Password from its default.
There are seven main tabs: Setup, Wireless, Security, Access Restrictions, Applications & Gaming, 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.
• DDNS. To enable the Gateway’s Dynamic Domain Name System (DDNS) feature, complete the fields on this
screen.
• Advanced Routing. On this screen, you can alter NAT and routing configurations.
Wireless
• Basic Wireless Settings. You can choose your wireless network settings on this screen.
HAVE YOU: Enabled TCP/IP on your
computers? Computers communicate over the
network with this protocol. Refer to Windows
Help for more information on TCP/IP.
NOTE: For added security, you should change
the password through the Administration tab.
• Wireless Security. Configure your wireless security settings on this screen.
• Wireless Access. This screen lets you control access to your wireless network.
• Advanced Wireless Settings. On this screen you can access the advanced wireless network settings.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
Overview
13
Wireless-G ADSL Home Gateway
Security
On this screen you can disable or enable the firewall, set up filters, block WAN requests, and enable or disable
Virtual Private Networks (VPN) PassThrough.
Access Restrictions
• Internet Access. This screen allows you to control the Internet usage and traffic on your local network.
Applications & Gaming
• Single Port Forwarding. Use this screen to set up common services or applications that require forwarding on
a single port.
• Port Range Forwarding. To set up public services or other specialized Internet applications that require
forwarding on a range of ports, use this screen.
• Port Triggering. To set up triggered ranges and forwarded ranges for Internet applications, click this tab.
• DMZ. To allow one local computer to be exposed to the Internet for use of special-purpose services, use this
screen.
• QoS. Use Quality of Service (QoS) to assign different priority levels to different types of data transmissions.
vpn (virtual private network): a security
measure to protect data as it leaves one
network and goes to another over the Internet.
Administration
• Management. On this screen, alter Gateway access, Simple Network Management Protocol (SNMP), Universal
Plug and Play (UPnP), IGMP-Proxy (IGMP stands for Internet Group Multicast Protocol), and wireless
management settings.
• Reporting. If you want to view or save activity logs, click this tab.
• Diagnostics. Use this screen to run a Ping test.
• Backup&Restore. On this screen, you can back up or restore the Gateway’s configuration.
• Factory Defaults. If you want to restore the Gateway’s factory default settings, use this screen.
• Firmware Upgrade. Click this tab if you want to upgrade the Gateway’s firmware.
• Reboot. If you need to do a hard or soft reboot of the Gateway, use this screen.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
Overview
14
Wireless-G ADSL Home Gateway
Status
• Gateway. This screen provides status information about the Gateway.
• Local Network. This provides status information about the local network.
• Wireless. This screen provides status information about the wireless network.
• DSL Connection. This screen provides status information about the DSL connection.
How to Access the Web-based Utility
To access the web-based utility, launch Internet Explorer or Netscape Navigator, and enter the Gateway’s default
IP address, 192.168.1.1, in the Address field. Then press Enter.
A login screen will appear (Windows XP users will see a similar screen). Enter admin (the default user name) in
the User Name field, and enter admin (the default password) in the Password field. Then click the OK button.
The Setup Tab
The Basic Setup Tab
The first screen that appears is the Basic Setup tab. This tab allows you to change the Gateway's general
settings. Change these settings as described here and click the Save Settings button to save your changes, or
click the Cancel Changes button to cancel your changes.
Internet Setup
• Internet Connection Type. The Gateway supports five Encapsulation methods: RFC 1483 Bridged, RFC 1483
Routed, RFC 2516 PPPoE, RFC 2364 PPPoA, and Bridged Mode Only. Select the appropriate type of
encapsulation from the drop-down menu. Each Basic Setup screen and available features will differ
depending on what type of encapsulation you select.
Figure 5-1: Login Screen
• VC Settings. You will configure your Virtual Circuit (VC) settings in this section.
• Multiplexing: Select LLC or VC, depending on your ISP.
• QoS Type: Select from the drop-down menu: CBR (Continuous Bit Rate) to specify fixed bandwidth for
voice or data traffic; UBR (Unspecific Bit Rate) for application that are none-time sensitive, such as e-mail;
or VBR (Variable Bite Rate) for Bursty traffic and bandwidth-sharing with other applications.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
How to Access the Web-based Utility
Figure 5-2: Basic Setup
15
Wireless-G ADSL Home Gateway
• Pcr Rate: For the Peak Cell Rate, divide the DSL line rate by 424 to get the maximum rate the sender can
send cells. Enter the rate in the field (if required by your service provider).
• Scr Rate: The Sustain Cell Rate sets the average cell rate that can be transmitted. The SCR value is
normally less than the PCR value. Enter the rate in the field (if required by your service provider).
• Autodetect: Select Enable to have the settings automatically entered, or select Disable to enter the
values manually.
• Virtual Circuit: These fields consist of two items: VPI (Virtual Path Identifier) and VCI (Virtual Channel
Identifier). Your ISP will provide the correct settings for these fields.
• IP Settings. Follow the instructions in the section for your type of encapsulation.
RFC 1483 Bridged
Dynamic IP
IP Settings. Select Obtain an IP Address Automatically if your ISP says you are connecting through a
dynamic IP address.
Static IP
If you are required to use a permanent (static) IP address to connect to the Internet, then select Use the
following IP Address.
• Internet IP Address. This is the Gateway’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 Gateway’s Subnet Mask. Your ISP will provide you with the Subnet Mask.
• 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.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Figure 5-3: RFC 1483 Bridged - Dynamic IP
Figure 5-4: RFC 1483 Bridged - Static IP
16
Wireless-G ADSL Home Gateway
RFC 1483 Routed
If you are required to use RFC 1483 Routed, then select RFC 1483 Routed.
• Internet IP Address. This is the Gateway’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 Gateway’s Subnet Mask. Your ISP will provide you with the Subnet Mask.
• Gateway. Your ISP will provide you with the default Gateway Address, which is the ISP server’s IP address.
• Primary DNS (Required) and Secondar y DNS (Optional). Your ISP will provide you with at least one DNS
(Domain Name System) Server IP Address.
RFC 2516 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.
• Service Name. Enter the name of your PPPoE service in this field.
• User Name and Password. Enter the User Name and Password provided by your ISP.
Figure 5-5: RFC 1483 Routed
• Connect on Demand: Max Idle Time. You can configure the Gateway to disconnect the Internet connection
after it has been inactive for a specified period of time (Max Idle Time). If your Internet connection has
been terminated due to inactivity, Connect on Demand enables the Gateway to automatically re-establish
your connection as soon as you attempt to access the Internet again. To use this option, cl ick the Connect on Demand radio button. In the Max Idle Time field, enter the number of minutes you want to have
elapsed before your Internet connection terminates.
• Keep Alive: Redial Period. If you select this option, the Gateway will periodically check your Internet
connection. If you are disconnected, then the Gateway will automatically re-establish your connection. T o
use this option, click the Keep Alive radio button. In the Redial Period field, specify how often you want
the Gateway to check the Internet connection. The default Redial Period is 20 seconds.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Figure 5-6: RFC 2516 PPPoE
17
Wireless-G ADSL Home Gateway
RFC 2364 PPPoA
Some DSL-based ISPs use PPPoA (Point-to-Point Protocol over ATM) to establish Internet connections. If you
are connected to the Internet through a DSL line, check with your ISP to see if they use PPPoA. If they do, you
will have to enable PPPoA.
• User Name and Password. Enter the User Name and Password provided by your ISP.
• Connect on Demand: Max Idle Time. You can configure the Gateway to disconnect the Internet connection
after it has been inactive for a specified period of time (Max Idle Time). If your Internet connection has
been terminated due to inactivity, Connect on Demand enables the Gateway to automatically re-establish
your connection as soon as you attempt to access the Internet again. To use this option, cl ick the Connect on Demand radio button. In the Max Idle Time field, enter the number of minutes you want to have
elapsed before your Internet connection terminates.
• Keep Alive: Redial Period. If you select this option, the Gateway will periodically check your Internet
connection. If you are disconnected, then the Gateway will automatically re-establish your connection. T o
use this option, click the Keep Alive radio button. In the Redial Period field, specify how often you want
the Gateway to check the Internet connection. The default Redial Period is 20 seconds.
Bridged Mode Only
If you are using your Gateway as a bridge, which makes the Gateway act like a stand-alone modem, select
Bridged Mode Only. All NAT and routing settings are disabled in this mode.
Figure 5-7: RFC 2364 PPPoA
Optional Settings (required by some ISPs)
• Host Name and Domain Name. These fields allow you to supply a host and domain name for the Gateway.
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, you can leave
these fields blank.
• MTU and Size. The MTU (Maximum Transmission Unit) setting specifies the largest packet size permitted for
network transmission. Select Manual and enter the value desired in the Size field. It is recommended that
you leave this value in the 1200 to 1500 range. By default, MTU is configured automatically.
Network Setup
• Router IP. The values for the Gateway’s Local IP Address and Subnet Mask are shown here. In most cases,
keeping the default values will work.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Figure 5-8: Bridged Mode Only
18
Wireless-G ADSL Home Gateway
• 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). Configure the Gateway’s Dynamic Host Configuration Protocol
(DHCP) settings in this section.
• Local DHCP Server. A Dynamic Host Configuration Protocol (DHCP) server automatically assigns an IP
address to each computer on your network for you. Unless you already have one, it is highly
recommended that you leave the Gateway enabled as a DHCP server. You can also use the Gateway in
DHCP Relay mode.
• DHCP Relay Server. If you enable the DHCP Relay mode for the Local DHCP Server setting, enter the IP
address for the DHCP server in the fields provided.
• Starting 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, because the default IP address for the Gateway is 192.168.1.1.
• Maximum Number of DHCP Users. Enter the maximum number of users/clients that can obtain an IP
address. The number will vary depending on the starting IP address entered.
• Client Lease Time. The Client Lease Time is the amount of time a computer will be allowed connection to
the Gateway with its current dynamic IP address. Enter the amount of time, in minutes, that the computer
will be “leased” this dynamic IP address.
Figure 5-9: Optional Settings
• Static DNS 1-3. The Domain Name System (DNS) is how the Internet translates domain or website names
into Internet addresses or URLs. Your ISP will provide you with at least one DNS Server IP Address. You
can enter up to three DNS Server IP Addresses here. The Gateway will use these for quicker access to
functioning DNS servers.
• WINS. The Windows Internet Naming Service (WINS) converts NetBIOS names to IP addresses. If you use a
WINS server, enter that server’s IP address here. Otherwise, leave this field blank.
• Time Setting. Select the appropriate time zone for the Gateway’s location. If desired, check the
Automatically adjust clock for daylight saving changes checkbox.
When finished making your changes on this tab, click the Save Settings button to save these changes, or click
the Cancel Changes button to undo your changes.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
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Wireless-G ADSL Home Gateway
The DDNS Tab
The Gateway 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 Gateway.
Before you can use this feature, you need to sign up for DDNS service at DynDNS.org or TZO.com.
DDNS
DDNS Service. If your DDNS service is provided by DynDNS.org, then select DynDNS.org from the drop-down
menu. If your DDNS service is provided by TZO.com, then select TZO.com from the drop-down menu.To disable
DDNS Service, select Disabled.
DynDNS.org
• User Name, Password, and Host Name. Enter the User Name, Password, and Host Name of the account you
set up with DynDNS.org.
• Internet IP Address. The Gateway’s current Internet IP Address is displayed here. Because it is dynamic, it will
change.
• Status. The status of the DDNS service connection is displayed here.
Figure 5-10: DynDNS.org
TZO.com
• E-mail Address, Password, and Domain Name. Enter the E-mail Address, Password, and Domain Name of the
account you set up with TZO.
• Internet IP Address. The Gateway’s current Internet IP Address is displayed here. Because it is dynamic, this
will change.
• Status. The status of the DDNS service connection is displayed here.
When finished making your changes on this tab, click the Save Settings button to save these changes, or click
the Cancel Changes button to undo your changes.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Figure 5-11: TZO.com
20
Wireless-G ADSL Home Gateway
The Advanced Routing Tab
The Advanced Routing screen allows you to configure the NAT, dynamic routing, and static routing settings.
Advanced Routing
• Operating Mode. In this section, you will configure the Gateway’s general routing settings.
• NAT. NAT is a security feature that is enabled by default. It enables the Gateway to translate IP addresses
of your local area network to a different IP address for the Internet. To disable NAT, click the Disabled
radio button.
• RIP. If you have multiple routers, you may want to use the Routing Information Protocol (RIP) so the routers
can exchange routing information with each other . To use RIP, select the Enabled radio button. Otherwise,
keep the default, Disabled.
• Send Default Route. To use RIP version 1 for routing, select the Enabled radio button. Otherwise , keep the
default, Disabled.
• Interface. This setting is available when you have configured a static route and you need to choose an
interface for that route. Select the interface that the Gateway will be using: LAN/Wireless or Internet.
• Dynamic Routing. With Dynamic Routing you can enable the Gateway to automatically adjust to physical
changes in the network’s layout. Using RIP, the Gateway determines the network packets’ route based on the
fewest number of hops between the source and the destination. The RIP protocol regularly broadcasts routing
information to other Gateways on the network.
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• Transmit RIP Version. To transmit RIP messages, select the protocol you want: RIP1, RIP1-Compatible,
or RIP2. If you don’t want to transmit RIP messages, select None.
• Receive RIP Version. To receive RIP messages, select the protocol you want: RIP1 or RIP2. If you don’t
want to receive RIP messages, select None.
• Multicast or Broadcast. RIP can be sent using either methods. If you want to use multicasting, select
Multicast. If you want to use Broadcast, select Broadcast.
• Static Routing. If the Gateway is connected to more than one network, it may be necessary to set up a static
route between them. A static route is a pre-determined pathway that network information must travel to
reach a specific host or network. To create a static route, change the following settings:
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
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Wireless-G ADSL Home Gateway
• Select set number. Select the number of the static route from the drop-down menu. The Gateway
supports up to 20 static route entries. If you need to delete a route, then select the entry and click the
Delete This Entry button.
• Destination IP Address. The Destination IP Address is the address of the remote network or host to which
you want to assign a static route. Enter the IP address of the host for which you wish to create a static
route. If you are building a route to an entire network, be sure that the network portion of the IP address is
set to 0.
• Subnet Mask. Enter the Subnet Mask (also known as the Network Mask), which determines which portion
of an IP address is the network portion, and which portion is the host portion.
• Gateway. Enter the IP address of the gateway device that allows for contact between the Gateway and the
remote network or host.
• Hop Count. Hop Count is the number of hops to each node until the destination is reached (16 hops
maximum). Enter the Hop Count in the field provided.
• Show Routing Table. Click the Show Routing Table button to open a screen displaying how data is routed
through your local network. For each route, the Destination LAN IP address, Subnet Mask, Gateway, and
Interface are displayed. Click the Refresh button to update the information. Click the Close button to return to
the previous screen.
When finished making your changes on this tab, click the Save Settings button to save these changes, or click
the Cancel Changes button to undo your changes.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Setup Tab
Figure 5-13: Routing Table
22
Wireless-G ADSL Home Gateway
The Wireless Tab
The Basic Wireless Settings Tab
This screen allows you to choose your wireless network mode and wireless security.
Wireless Network
• Wireless Network Mode. If you have 802.11g and 802.11b devices in your network, then keep the default
setting, Mixed. If you have only 802.11g devices, select 802.11g. If you have only 802.11b devices, select
802.11b. If you want to disable wireless networking, select Disabled.
• Wireless Network Name (SSID). Enter the name for your wireless network into the field. The SSID is the
network name shared among all devices in a wireless network. It must be identical for all devices in the
wireless network. It is case-sensitive and must not exceed 32 alphanumeric characters, which may be any
keyboard character. Linksys recommends that you change the default SSID (linksys) to a unique name of your
choice.
• Wireless Channel. Select the appropriate channel from the list provided to correspond with your network
settings. All devices in your wireless network must use the same channel in order to function correctly.
Wireless computers or clients will automatically detect the wireless channel of the Gateway.
• Wireless SSID Broadcast. When wireless computers or clients survey the local area for wireless networks to
associate with, they will detect the SSID broadcast by the Gateway. To broadcast the Gateway's SSID, keep
the default setting, Enable. If you do not want to broadcast the Gateway's SSID, then select Disable.
Figure 5-14: Basic Wireless Settings
When finished making your changes on this tab, click the Save Settings button to save these changes, or click
the Cancel Changes button to undo your changes.
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Wireless Tab
23
Wireless-G ADSL Home Gateway
The Wireless Security Tab
The Wireless Security settings configure the security of your wireless network. There are two wireless security
options supported by the Gateway: WPA Pre-Shared Key and WEP. (WPA stands for Wi-Fi Protected Access, which
is a security standard stronger than WEP encryption. WEP stands for Wired Equivalent Privacy.) These are briefly
discussed here. For detailed instructions on configuring wireless security for the Gateway, turn to “Appendix B:
Wireless Security .” If you want to disable wireless security, select Disable from the drop-down menu for Security
Mode.
WPA Pre-Shared Key. Enter a WPA Shared Key of 8-32 characters. Then enter a Group Key Renewal period, which
instructs the Gateway how often it should change the encryption keys.
Figure 5-15: WPA Pre-Shared Key
Chapter 5: Configuring the Wireless-G ADSL Home Gateway
The Wireless Tab
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