®
A Division of Cisco Systems, Inc.
2.4GHz
802.11g
Wireless-G
with 5-Port Switch
Ethernet Bridge
User Guide
WIRELESS
Model No.
WET54GS5
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Wireless-G Ethernet Bridge with 5-Port Switch
Table of Contents
Chapter 1: Introduction
Welcome
1
1
2
4
4
5
What’s in this Guide?
Chapter 2: Planning Your Wireless Network
Network Topology
Network Layout
Chapter 3: Getting to Know the Wireless-G Ethernet Bridge with 5-Port Switch 6
The Back Panel
The Front Panel
6
7
The Side Panel
9
Chapter 4: Connecting the Wireless-G Ethernet Bridge for Setup
10
Chapter 5: Setting Up the Wireless-G Ethernet Bridge
12
Chapter 6: Connecting the Wireless-G Ethernet Bridge for Network Use
Connection to a Network Device
18
18
18
Wall Mount Placement Option
Chapter 7: Using the Wireless-G Ethernet Bridge
Web-based Utility
Overview
Starting the Web-based Utility
Setup
Password
Wireless
Port Mirroring
Access List
Wireless Status
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20
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39
40
41
42
43
43
44
47
SNMP
Help
Appendix A: Troubleshooting
Common Problems and Solutions
Frequently Asked Questions
Appendix B: Wireless Security
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Wireless-G Ethernet Bridge with 5-Port Switch
Security Precautions
Security Threats Facing Wireless Networks
47
47
Appendix C: Upgrading Firmware
50
Appendix D: Windows Help
Appendix E: Glossary
Appendix F: Specifications
Appendix G: Warranty Information
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52
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61
Appendix H: Regulatory Information
FCC Statement
Industry Canada (Canada)
Appendix I: Contact Information
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62
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Wireless-G Ethernet Bridge with 5-Port Switch
List of Figures
Figure 2-1: Infrastructure Network
Figure 2-2: Ad-Hoc Network
Figure 2-3: Network Using Wireless Bridging
Figure 3-1: Back Panel
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Figure 3-2: Front Panel
7
Figure 3-3: Side Panel
8
Figure 4-1: Connect to the Network
Figure 4-2: Connect the Power
Figure 5-1: Welcome
Figure 5-2: Connection
Figure 5-3: List of Bridges
Figure 5-4: Password
Figure 5-5: Mode Settings
Figure 5-6: Wireless Settings
Figure 5-7: IP Settings
Figure 5-8: Security Settings
Figure 5-9: Security Settings
Figure 5-10: Confirmation
Figure 5-11: Congratulations
Figure 6-1: Wall Placement
Figure 7-1: Password Screen
Figure 7-2: Setup Tab
Figure 7-3: 802.1x Screen
Figure 7-4: Site Survey
Figure 7-5: WEP
Figure 7-6: RADIUS-MD5
Figure 7-7: RADIUS-TLS
Figure 7-8: RADIUS-TTLS
Figure 7-9: WPA RADIUS-TLS
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Wireless-G Ethernet Bridge with 5-Port Switch
Figure 7-10: WPA RADIUS-TTLS
Figure 7-11: WPA Pre-Shared Key
Figure 7-12: Log Table
Figure 7-13: Password Tab
Figure 7-14: Wireless Tab
Figure 7-15: Spanning Tree Protocol Tab
Figure 7-16: QOS Tab
Figure 7-17: Switch Table Tab
Figure 7-18: VLAN Tab
Figure 7-19: RMON Statistics Tab
Figure 7-20: Port Mirroring Tab
Figure 7-21: Access List Tab
Figure 7-22: Wireless Status Tab
Figure 7-23: SNMP Tab
Figure 7-24: Help Tab
Figure 7-25: Firmware Upgrade
Figure C-1: Firmware Upgrade
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Wireless-G Ethernet Bridge with 5-Port Switch
Chapter 1: Introduction
Welcome
Thank you for choosing the Wireless-G Ethernet Bridge with 5-port Switch. The Wireless-G Ethernet Bridge with
5-port Switch can make any wired Ethernet-equipped device a part of your wireless 802.11b or 802.11g network.
At home, use the Bridge to connect game consoles or computers to your Wireless-G network and its shared high-
speed Internet connection. In the office, convert your Ethernet-wired printer, camera, notebook or desktop into a
wireless networked device.
802.11g: an IEEE wireless networking
standard that specifies a maximum
data transfer rate of 54Mbps, an
operating frequency of 2.4GHz, and
backward compatibility with 802.11b
devices.
The Wireless-G Ethernet Bridge with 5-port Switch can be used for connecting remote areas together. You can
connect up to 5 Ethernet-equipped computers directly to the high-speed 10/100 switch ports on the Wireless-G
Ethernet Bridge. Put another one (or a Wireless-G Access Point, or our one-port Wireless-G Ethernet Bridge) at
the other end, and those 5 computers are connected to your main network.
Ethernet: an IEEE standard network
protocol that specifies how data is
placed on and retrieved from a
common transmission medium.
And those 5 switch ports can support devices other than PCs. Since there are no drivers to load, you can make
any wired-Ethernet device, such as a printer or network attached storage device, into a wireless network device.
All five ports are auto-speed negotiating, and have automatic MDI/MDI-X crossover detection, so you don't have
to worry about the cable type. To protect your data and privacy, all wireless transmissions can be secured with
up to 128-bit WEP encryption, Pre-Shared Key, or RADIUS.
Use the instructions in this Guide to help you set up and connect the Wireless-G Ethernet Bridge with 5-port
Switch. These instructions should be all you need to get the most out of the Wireless-G Ethernet Bridge with
5-port Switch.
Chapter 1: Introduction
Welcome
1
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Wireless-G Ethernet Bridge with 5-Port Switch
What’s in this Guide?
This user guide covers the steps for setting up and using the Wireless-G Ethernet Bridge with 5-Port Switch.
•
•
•
•
•
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Chapter 1: Introduction
This chapter describes the Wireless-G Ethernet Bridge applications and this user guide.
Chapter 2: Planning your Wireless Network
This chapter describes the basics of wireless networking.
Chapter 3: Getting to Know the Wireless-G Ethernet Bridge with 5-Port Switch
This chapter describes the physical features of the Bridge.
Chapter 4: Connecting the Wireless-G Ethernet Bridge for Setup
This chapter instructs you on how to connect the Bridge to your network for setup.
Chapter 5: Setting Up the Wireless-G Ethernet Bridge with 5-Port Switch
This chapter explains how to set up the Bridge using the Setup Wizard.
Chapter 6: Connecting the Wireless-G Ethernet Bridge for Network Use
This chapter explains how to connect the Bridge to a network device so the device can join your wireless
network. It also describes placement options for the Bridge.
•
•
Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility
This chapter explains how to use the Web-based Utility so you can change the Bridge’s settings or advanced
configuration.
Appendix A: Troubleshooting
This appendix describes some problems and solutions, as well as frequently asked questions, regarding
installation and use of the Wireless-G Ethernet Bridge.
•
•
•
Appendix B: Wireless Security
This appendix explains the risks of wireless networking and some solutions to reduce the risks.
Appendix C: Upgrading Firmware
This appendix instructs you on how to upgrade the firmware on the Bridge should you need to do so.
Appendix D: Windows Help
This appendix describes how you can use Windows Help for instructions about networking, such as installing
the TCP/IP protocol.
Chapter 1: Introduction
What’s in this Guide?
2
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Wireless-G Ethernet Bridge with 5-Port Switch
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•
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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 Bridge.
Appendix G: Warranty Information
This appendix supplies the warranty information for the Bridge.
Appendix H: Regulatory Information
This appendix supplies the regulatory information regarding the Bridge.
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 Guide?
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Wireless-G Ethernet Bridge with 5-Port Switch
Chapter 2: Planning Your Wireless Network
Network Topology
A wireless local area network (WLAN) is exactly like a regular local area network (LAN), except that each
LAN (Local Area Network): the
computers and networking products
that make up your local network.
computer in the WLAN uses a wireless device to connect to the network. Computers in a WLAN share the same
frequency channel and SSID, which is an identification name shared by the wireless devices belonging to the
same wireless network.
SSID: your wireless network’s name.
Ad-Hoc versus Infrastructure Mode
Unlike wired networks, wireless networks have two different modes in which they may be set up: infrastructure
and ad-hoc. An infrastructure configuration is a WLAN and wired LAN communicating to each other through an
access point. An ad-hoc configuration is wireless-equipped computers communicating directly with each other.
Choosing between these two modes depends on whether or not the wireless network needs to share data or
peripherals with a wired network or not.
Infrastructure: a wireless network
that is bridged to a wired network via
an access point.
If the computers on the wireless network need to be accessible by a wired network or need to share a peripheral,
such as a printer, with the wired network computers, the wireless network should be set up in Infrastructure
mode. The basis of Infrastructure mode centers around an access point, which serves as the main point of
communications in a wireless network (see Figure 2-1). Access points transmit data to PCs equipped with
wireless network cards, which can roam within a certain radial range of the access point. Multiple access points
can be arranged to work in succession to extend the roaming range, and can be set up to communicate with your
Ethernet hardware as well.
If the wireless network is relatively small and needs to share resources only with the other computers on the
wireless network, then the Ad-Hoc mode can be used. Ad-Hoc mode allows computers equipped with wireless
transmitters and receivers to communicate directly with each other, eliminating the need for an access point. The
drawback of this mode is that in Ad-Hoc mode, wireless-equipped computers are not able to communicate with
computers on a wired network. And, of course, communication between the wireless-equipped computers is
limited by the distance and interference directly between them.
Figure 2-2 shows a typical scenario of four Wireless-G Ethernet Bridges in ad-hoc mode. Figure 2-3 shows a
typical wireless bridging scenario using two Wireless-G Ethernet Bridges. Each wireless network is connected to
a Wireless-G Ethernet Bridge through a switch. A separate notebook computer is equipped with a wireless
network adapter and can communicate with either wireless network when it is configured with the appropriate
SSID and channel.
Figure 2-1: Infrastructure Network
Ad-hoc: a group of wireless devices
communicating directly to each other
(peer-to-peer) without the use of an
access point.
Chapter 2: Planning Your Wireless Network
Network Topology
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Wireless-G Ethernet Bridge with 5-Port Switch
Network Layout
The Wireless-G Ethernet Bridge is compatible with all 802.11b and 802.11g routers, such as model numbers
BEFW11S4 and WRT54G, as well as access points, including model numbers WAP11 and WAP54G. The Bridge will
also communicate with network adapters, such as the Wireless-B and Wireless-G Network Adapters (model
numbers WPC11 and WPC54G) for your laptop computers, Wireless-B and Wireless-G PCI Adapters (model
numbers WMP11 and WMP54G) for your desktop PCs, and Wireless-B and Wireless-G USB Adapters (model
numbers WUSB11 and WUSB54G) for your computers when you want to enjoy USB connectivity.
With these, and many other, Linksys products, your networking options are limitless. Go to the Linksys website at
Switch.
Figure 2-2: Ad-Hoc Network
Figure 2-3: Network Using Wireless Bridging
Chapter 2: Planning Your Wireless Network
Network Layout
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Wireless-G Ethernet Bridge with 5-Port Switch
Chapter 3: Getting to Know the Wireless-G Ethernet
Bridge with 5-Port Switch
The Back Panel
All network connections to the Bridge are made through the ports on its back panel, shown in Figure 3-1. The
reset button is also located here.
Figure 3-1: Back Panel
Important: If you reset the Wireless-G Ethernet Bridge, you will
erase all of your settings (WEP encryption, wireless settings,
etc.) and replace them with the factory defaults. Do not reset the
Wireless-G Ethernet Bridge if you want to retain these settings.
Reset
When pressed, the Reset button resets the Bridge to its factory default settings.
The LAN ports are where you will connect the Ethernet network cables.
LAN (1-5)
Chapter 3: Getting to Know the Wireless-G Ethernet Bridge with 5-Port Switch
The Back Panel
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Wireless-G Ethernet Bridge with 5-Port Switch
The Front Panel
The LEDs indicate network activity experienced by the Bridge. (See Figure 3-2.)
Figure 3-2: Front Panel
Power
Diag
Green. The Power LED will light up when the Bridge is powered on. While the Bridge is booting
up and performing a self-test, the Power LED will flash. It will stop flashing and remain lit
when the self-test has ended.
Green. The Ethernet LED will light up when there is an error wih the Bridge.
Wireless-G LINK Green. The Wireless-G LED will be lit steadily when the Bridge is connected to the wireless
network. The LED will flash when there is wireless network traffic.
Wireless-G ACT Green. The Wireless-G LED will be lit steadily when the Bridge is connected to the wireless
network. The LED will flash when there is wireless network traffic.
LAN 1-5
Green. The LAN LED will be lit steadily when the Bridge is connected to the wired network. The
LED will flash when there is wired network traffic.
Chapter 3: Getting to Know the Wireless-G Ethernet Bridge with 5-Port Switch
The Front Panel
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Wireless-G Ethernet Bridge with 5-Port Switch
Figure 3-3: Side Panel
NOTE: If you use a Power over Ethernet (PoE) device to supply
data and power through the Ethernet network cable, then you
do not need to use the Power port.
Chapter 3: Getting to Know the Wireless-G Ethernet Bridge with 5-Port Switch
The Front Panel
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Wireless-G Ethernet Bridge with 5-Port Switch
The Side Panel
The Power port is on the side panel. (See Figure 3-3.)
Power
The Power port is where you will connect the power adapter.
Chapter 3: Getting to Know the Wireless-G Ethernet Bridge with 5-Port Switch
The Side Panel
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Wireless-G Ethernet Bridge with 5-Port Switch
Chapter 4: Connecting the Wireless-G Ethernet Bridge
for Setup
1. Attach the Bridge’s antenna.
2. Plug the included Ethernet network cable into one of the five LAN ports on the back panel of the Bridge,
shown in Figure 4-1.
Figure 4-1: Connect to the Network
3. Plug the other end of the Ethernet network cable into the RJ-45 port of the hub, switch, or PC you wish to use
to configure the Bridge.
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Wireless-G Ethernet Bridge with 5-Port Switch
Figure 4-2: Connect the Power
4. Plug the supplied power cable into the Power port on the side panel of the Bridge, shown in Figure 4-2. Then
plug the other end into an electrical outlet.
Proceed to “Chapter 5: Setting Up the Wireless-G Ethernet Bridge.”
Chapter 4: Connecting the Wireless-G Ethernet Bridge for Setup
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Wireless-G Ethernet Bridge with 5-Port Switch
Chapter 5: Setting Up the Wireless-G Ethernet Bridge
Now that you’ve connected the Wireless-G Ethernet Bridge to your wired network, you are ready to set it up. The
Setup Wizard will guide you through all the necessary steps.
Note: While the Wireless-G Ethernet Bridge has been
designed to work correctly right out of the box, setting
it up on a wireless computer will require you to use the
Linksys default settings (SSID: linksys and mode:
infrastructure). These settings can then be changed
through the Bridge’s Setup Wizard or Web-based Utility.
1. Insert the Setup CD-ROM into your PC’s CD-ROM drive. The Setup Utility should run automatically, and the
screen in Figure 5-1 should appear. If it does not, click the Start button and choose Run. In the field that
appears, enter D:\setup.exe (if “D” is the letter of your CD-ROM drive).
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Setup - Click the Setup button to proceed with the Setup Wizard.
User Guide - Click the User Guide button to open the PDF file of this User Guide.
LINKSYS Web - Click the LINKSYS Web button to access the Linksys website using an active Internet
connection.
•
Exit - Click the Exit button to exit the Setup Wizard.
2. Click the Setup button to begin the setup process.
Figure 5-1: Welcome
3. Make sure the Bridge is correctly connected to your wired network (see Figure 5-2). Then click the Next
button.
Figure 5-2: Connection
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Wireless-G Ethernet Bridge with 5-Port Switch
4. The screen shown in Figure 5-3 displays a list of Wireless-G Ethernet Bridges on your network, along with the
status information for each Bridge. (If you have only one Bridge on your network, it will be the only one
displayed.) Select the Bridge you are currently installing by clicking its name in the Selection box. Write down
the IP address of the Wireless-G Ethernet Bridge, so you can use it to access the Web-based Utility later. Then
click the Yes button.
Figure 5-3: List of Bridges
5. For security purposes, you will be asked for your password in order to access the Bridge, as shown in Figure
5-4. In lowercase letters, enter admin in the Password field (later you can change the password through the
Web-based Utility). Then click the Enter button.
Figure 5-4: Password
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Wireless-G Ethernet Bridge with 5-Port Switch
6. The screen shown in Figure 5-5 shows a choice of two wireless modes. Click the Infrastructure radio button
if you want your wireless computers to network with computers on your wired network using a wireless
access point. Click the Ad-Hoc radio button if you want multiple wireless computers to network directly with
each other. Do not use the Ad-Hoc mode if you want to network your wireless computers with computers on
your wired network.
In the WB Name field, enter a unique name for the Bridge. Memorable names are helpful, especially if you are
using multiple bridges on the same network. Click the Next button to continue or the Back button to return to
the previous screen.
Figure 5-5: Mode Settings
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Wireless-G Ethernet Bridge with 5-Port Switch
7. The Wireless Settings screen, shown in Figure 5-6, will now appear. Enter your wireless network’s SSID. If you
chose Ad-Hoc mode, select the channel at which the network broadcasts its wireless signal.
If you have Wireless-G (802.11g) and Wireless-B (802.11b) devices in your network, then keep the default
Network Mode setting, Mixed. If you have only Wireless-G devices, select G-Only. Then click the Next button
to continue or the Back button to return to the previous screen.
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SSID - The SSID is the unique name shared among all devices in a wireless network. The SSID must be
identical for all devices in the wireless network. It is case-sensitive and must not exceed 32 alphanumeric
characters, which can be any keyboard character.
Channel - From the drop-down menu, select the appropriate channel to match your network settings
(available for Ad-Hoc mode only). All devices in your wireless network must use the same channel in order to
communicate.
Network Mode - Keep the default setting, Mixed, if you have Wireless-G and Wireless-B devices in your
network. Select G-Only if you have only Wireless-G devices in your network.
Figure 5-6: Wireless Settings
8. The IP Settings screen will appear next, shown in Figure 5-7. If your network has a DHCP server, click the
radio button next to Automatically obtain an IP address (DHCP). Click the Next button to continue or the
Back button to return to the previous screen. Then proceed to step 9. The Bridge’s default IP address is
192.168.1.116.
If your network does not have a DHCP server, click the radio button next to Set IP configuration manually to
select this option. Enter an IP Address, IP Mask, and Gateway appropriate to your network. You must specify
an IP address on this screen. If you are unsure about the IP Mask and Gateway, it is better to leave these two
fields blank. Click the Next button to continue or the Back button to return to the previous screen. Then
proceed to step 9.
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IP Address - This IP address must be unique to your network.
IP Mask - The Bridge’s IP Mask (also known as Subnet Mask) must be the same as your wired network’s
Subnet Mask.
•
Gateway - Enter the IP address of your network’s Gateway (usually this is your router’s LAN IP address).
Figure 5-7: IP Settings
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Wireless-G Ethernet Bridge with 5-Port Switch
9. The Security Settings (Optional) screen, shown in Figure 5-8, appears next. From the drop-down menu, select
one of the wireless security mode options supported by the Bridge: WPA PSK (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. If you do not want to use the security function, keep the default setting, Disabled.
The security modes are briefly discussed below. For more detailed instructions on configuring wireless
security for the Bridge, refer to “Appendix B: Wireless Security.”
WEP (64-bit WEP/128-bit WEP) - In order to utilize WEP encryption, select 64-bit or 128-bit WEP from the
drop-down menu. Then, enter a Passphrase. (If you want to enter a WEP key manually, leave the Passphrase
field blank, and complete the Key 1 field.) Click the Next button to continue.
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Passphrase - Instead of manually entering a WEP key, you can enter a Passphrase, so a WEP key will be
automatically generated. The Passphrase is case-sensitive and should have 16 or fewer alphanumeric
characters. It must match the passphrase of your wireless network and is compatible with Linksys wireless
products only. (You will have to enter the WEP key(s) manually on any non-Linksys wireless products.
Figure 5-8: Security Settings
If you want to manually enter a WEP key, leave the Passphrase field blank and complete the Key 1 field.
Key 1 - If you entered a Passphrase, then you will see the automatically generated WEP key. Click the Next
button, and proceed to step 10.
If you did not enter a Passphrase, then enter a WEP key in the Key 1 field. If you are using 64-bit WEP
encryption, then the key must consist of exactly 10 hexadecimal characters. If you are using 128-bit WEP
encryption, then the key must consist of exactly 26 hexadecimal characters. Valid hexadecimal characters
are “0”-“9” and “A”-“F”. Then click the Next button, and proceed to step 10.
WPA PSK - In order to utilize WPA PSK, select WPA PSK from the drop-down menu. WPA PSK gives you one
encryption method, TKIP, with dynamic encryption keys. Select the type of algorithm, TKIP, then enter a Pre-
Shared Key of 8-32 characters. (See Figure 5-9.)
Figure 5-9: Security Settings
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Wireless-G Ethernet Bridge with 5-Port Switch
10. Review your settings on the Confirmation screen, shown in Figure 5-10. Write down the Bridge’s IP Address if
you want to configure advanced settings through the Bridge’s Web-based Utility. Click the Yes button to save
these settings. Click the No button to exit the Setup Wizard.
Figure 5-10: Confirmation
11. The next screen, shown in Figure 5-11, shows that the configuration is complete. To configure any other
Wireless-G Ethernet Bridges on your network, run this Setup Wizard again. To register the Bridge, click the
Online Registration button. To exit the Setup Wizard, click the Exit button.
The Wireless-G Ethernet Bridge is now successfully configured for your network.
Figure 5-11: Congratulations
For advanced configuration, proceed to “Chapter 7: Using the Wireless-G Ethernet Bridge Web-based
Utility.” Otherwise, go to “Chapter 6: Connecting the Wireless-G Ethernet Bridge for Network Use.”
Chapter 5: Setting Up the Wireless-G Ethernet Bridge
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Wireless-G Ethernet Bridge with 5-Port Switch
Chapter 6: Connecting the Wireless-G Ethernet Bridge
for Network Use
Connection to a Network Device
1. After configuration, unplug the power cable from the electrical outlet, and unplug the Ethernet network cable
from the PC.
2. Plug the Ethernet network cable into the RJ-45 port on the Ethernet-ready network device you wish to add to
the wireless network. You can connect up to five devices.
3. Plug the power cable into a local electrical outlet.
The installation of the Wireless-G Ethernet Bridge is complete.
Wall Mount Placement Option
Besides placing the Bridge horizontally on a surface, you can also hang the Bridge on a wall.
1. Attach two screws to the wall, so that they line up with the Bridge’s two wall-mount slots.
2. Place the Bridge over the screws.
3. If necessary, adjust the antenna so that it points straight up in the air.
Figure 6-1: Wall Placement
The placement of the Wireless-G Ethernet Bridge is complete.
Chapter 6: Connecting the Wireless-G Ethernet Bridge for Network Use
Connection to a Network Device
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Wireless-G Ethernet Bridge with 5-Port Switch
Chapter 7: Using the Wireless-G Ethernet Bridge
Web-based Utility
Overview
The Bridge is designed to function properly after you configure it using the Setup Wizard. However, if you would
like to change these basic settings or make advanced configuration changes, use your web browser and the
Wireless-G Ethernet Bridge Web-based Utility. This chapter explains how to use the Utility.
Starting the Web-based Utility
1. Open your web browser, and enter the IP address of the Wireless-G Ethernet Bridge (the default is
192.168.1.226). Press the Enter key, and a screen similar to the one shown in Figure 7-1 will appear. In
lowercase letters, enter the default, admin, in the User name and Password fields. Click the OK button. You
can set a new password on the Password screen later.
Figure 7-1: Password Screen
2. The Utility’s Setup screen, shown in Figure 7-2, will appear.
The Utility provides a convenient, web-browser-based way to alter the Bridge’s settings. It offers seven main
tabs:
Have You: Enabled TCP/IP on your PCs? PCs
communicate over the network with this
protocol. Refer to “Appendix D: Windows Help”
for more information on TCP/IP.
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•
•
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Setup - Enables you to configure the IP address and wireless settings.
Password - Allows you to change the password or reset all settings to factory defaults.
Wireless- Lets you change the advanced wireless settings and clone a MAC address onto the Bridge.
Switch - This screen allows you to configure the following settings on the switch: QOS, Switch Table, VLAN,
RMON Statistics, Port Mirroring, and Access List.
Note: The Wireless-G Ethernet Bridge is
designed to function properly after you use
the Setup Wizard. However, if you would like
to change its basic settings or make
advanced configuration changes, use your
web browser and the Wireless-G Ethernet
Bridge Web-based Utility.
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•
Wireless Status - Displays the Bridge’s current wireless settings.
SNMP - This screen is used to confiure the SNMP trap settings for the Bridge.
Help - Provides explanations of various configuration settings and links to online technical support resources.
You can also upgrade the Bridge’s firmware using the Help screen.
Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility
Overview
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Wireless-G Ethernet Bridge with 5-Port Switch
Setup
The Setup screen, shown in Figure 7-2, lets you configure the wired and wireless network settings for the Bridge.
When finished making your changes on this tab, click the Apply button to save these changes, or click the
Cancel button to undo your changes.
•
Firmware - The version number of the Bridge’s firmware is displayed here. Firmware should be upgraded
•
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MAC Address - The MAC Address of the Bridge is displayed here.
System Uptime - The amount of time the Bridge has been running is displayed here.
LAN
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Device Name - You may assign any name to the Bridge. Unique, memorable names are helpful, especially if
you are using multiple bridges on the same wireless network.
•
Configuration Type - If the Bridge will obtain an IP address automatically from a DHCP server, such as a router,
then select Automatic Configuration-DHCP. If you are assigning the Bridge a static IP address, then select
Static IP Address, and enter an IP Address, Subnet Mask, and Gateway address in the IP Address, Subnet
Mask, and Gateway fields.
Figure 7-2: Setup Tab
•
802.1x (See Figure 7-3.) - To change your 801.1x settings, click the Edit 802.1x Settings button. Figure 7-3
will appear. To change the settings, select Enable 801.x Service.
•
•
•
•
Radius Server. Enter the Radius Server IP Address in the fields.
Radius Server Port. Enter the Radius Server Port in the field.
Shared Key. Enter the key that you use for your wireless network in the field.
Reauthentication Timeout. Enter the time in seconds for key authentication.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the View Log button to view a log.
Figure 7-3: 802.1x Screen
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Wireless
•
SSID - The SSID is the network name shared among all devices in a wireless network. The SSID 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 (do not use any spaces). Make sure this setting is the same
for all devices in your wireless network. For added security, Linksys recommends that you change the default
SSID (linksys) to a name of your choice.
To search for available wireless networks, click the Site Survey button.
Site Survey
The Site Survey screen, shown in Figure 7-4 shows all the wireless networks detected by the Bridge and their
general information. You can use this screen to connect to one of these networks.
For each wireless network detected, the following information is displayed:
•
•
•
•
•
•
SSID - The network name. To join a wireless network, click its SSID.
MAC Address - The MAC address of the network’s access point.
Channel - The channel setting.
Figure 7-4: Site Survey
Signal Strength (%) - The percentage of wireless signal strength.
Mode - The type of wireless standard, network mode, and status of WEP encryption.
Click the Refresh button to obtain the most up-to-date data. Click the Close button to close this screen.
Click the Help button for additional on-screen information.
•
Network Type - Choose a wireless operating mode for the Bridge. Keep the default setting, Infrastructure, if
you want your wireless-equipped device to communicate with computers and other devices on your wired
network using a wireless access point. Select Ad-Hoc button if you want multiple wireless-equipped devices
to communicate directly with each other.
If you chose Ad-Hoc mode, then select the correct operating channel for your network from the Channel drop-
down menu. This should match the channel setting of the other devices in your wireless network.
Select the appropriate network mode. Keep the default, Mixed, if you have Wireless-G (802.11g) and
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Wireless-B (802.11b) devices in your network. Select G-Only if you have only Wireless-G devices in your
network.
•
Security - To enable security, select Enable, then click Edit Security Settings. To disable security, select
Disable.
NOTE: Make sure that your security choice
matches the security choice of the wireless
network you want to join. Otherwise, the
connection will fail.
The Security screen, as shown in Figure 7-5, will appear. From the drop-down menu, select one of the four
wireless security modes supported by the Bridge: WEP, RADIUS, WPA RADIUS, and WPA Pre-Shared Key,. (WEP
stands for Wired Equivalent Privacy, RADIUS stands for Remote Authentication Dial-In User Service, and WPA
stands for Wi-Fi Protected Access, which is a security standard stronger than WEP encryption) .The four
security modes are briefly discussed here. For detailed instructions on configuring wireless security for the
Bridge, turn to “Appendix B: Wireless Security.”
WEP
Use the WEP screen, shown in Figure 7-5, to configure the WEP encryption for the Bridge. Select a Default
Transmit Key (choose which Key to use), and a level of WEP Encryption, 64 bits (10 hex digits) or (128 bits
26 hex digits). Then either generate a WEP Key using a Passphrase or enter the WEP key manually.
•
•
•
Default Transmit Key - Select which WEP key (1-4) will be used when the Bridge sends data. Make sure
the other wireless-equipped devices are using the same key.
WEP Encryption - In order to use WEP encryption, select 64-Bit (10 hex digits) or 128-Bit (26 hex
digits) from the drop-down menu.
Passphrase - Instead of manually entering WEP keys, you can enter a Passphrase. This Passphrase is
used to generate one or more WEP keys. It is case-sensitive and should not be longer than 16
alphanumeric characters. (The Passphrase function is compatible with Linksys wireless products only. If
you want to communicate with non-Linksys wireless products, you will need to enter your WEP key
manually on the non-Linksys wireless products.) After you enter the Passphrase, click the Generate
button to create WEP key(s).
•
Keys 1-4 - If you are not using a Passphrase, then you can enter one or more WEP keys manually.
In each key field, manually enter a set of values. (Do not leave a key field blank, and do not enter all
zeroes. These are not valid key values.) If you are using 64-bit WEP encryption, then each key must
consist of exactly 10 hexadecimal characters in length. If you are using 128-bit WEP encryption, then
each key must consist of exactly 26 hexadecimal characters in length. Valid hexadecimal characters are
“0”-“9” and “A”-“F”.
Figure 7-5: WEP
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If your page doesn’t automatically refresh itself, then click the Refresh button of your web browser. Click the
Apply button to save your changes and close the screen.
RADIUS
This option features WEP used in coordination with a RADIUS server. (This should only be used when a
RADIUS server is connected to the Router.) It offers three authentication methods: MD5, TLS, and TTLS.
EAP Type
MD5
Select a Default Key (choose which Key to use), and a level of WEP encryption, 64 bits 10 hex digits or 128
bits 26 hex digits. Then either generate a WEP key using a Passphrase or enter the WEP key manually. (See
Figure 7-6.)
•
Default Transmit Key Select which WEP key (1-4) will be used when the Bridge sends data. Make sure
that the receiving device (wireless client) is using the same key.
•
WEP Encryption. An acronym for Wired Equivalent Privacy, WEP is an encryption method used to protect
your wireless data communications. WEP uses 64-bit or 128-bit keys to provide access control to your
network and encryption security for every data transmission. To decode data transmissions, all devices in
a network must use an identical WEP key. Higher encryption levels offer higher levels of security, but due
to the complexity of the encryption, they may decrease network performance. Select 64 bits (10 hex
digits) or 128 bits (26 hex digits).
•
•
Passphrase. Instead of manually entering WEP keys, you can enter a passphrase. This passphrase is used
to generate one or more WEP keys. It is case-sensitive and should not be longer than 32 alphanumeric
characters. (This Passphrase function is compatible with Linksys wireless products only and cannot be
used with Windows XP Zero Configuration. If you want to communicate with non-Linksys wireless
products or Windows XP Zero Configuration, make a note of the WEP key generated in the Key 1 field, and
enter it manually in the wireless client.) After you enter the Passphrase, click the Generate button to
create WEP keys.
Figure 7-6: RADIUS-MD5
Keys 1-4. WEP keys enable you to create an encryption scheme for wireless network transmissions. If you
are not using a Passphrase, then manually enter a set of values. (Do not leave a key field blank, and do not
enter all zeroes; they are not valid key values.) If you are using 64-bit WEP encryption, the key must be
exactly 10 hexadecimal characters in length. If you are using 128-bit WEP encryption, the key must be
exactly 26 hexadecimal characters in length. Valid hexadecimal characters are “0”-“9” and “A”-“F”.
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•
User ID and Password. A user identification and password are required for your security. Enter the ID in
the User ID field, then the password in the Password field.
When finished making your changes on this tab, click the Apply button to save these changes.
TLS
TLS is a mutual authentication method that uses digital certificates.Select TLS from the EAP Type drop-down
menu. Enter the Login name of your wireless network in the User ID field. Enter the User Certificate and Root
Certificate in the fields or click the Browse button to browse for it, then upload it.
•
•
EAP Type - The authentication method that your network uses. Select TLS from the drop-down menu.
User ID -Your User ID is the Login name of your wireless network. Enter the Login name of your wireless
network in the User ID field.
•
•
User Certificate - Enter the user certificate you have installed to authenticate you on your wireless
network or click the Browse button to browse for it. Click the Upload button to upload the certificate.
Root Certificate - Enter the root certificate you have installed to authenticate you on your wireless
network or click the Browse button to browse for it. Click the Upload button to upload the certificate.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the View Log button to view a log.
Figure 7-7: RADIUS-TLS
Encryption - Encoding data transmitted in a
network.
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TTLS
TTLS is a mutual authentication method that uses digital certificates. Select TTLS from the EAP Type drop-
down menu. Enter the Login name of your wireless network in the User ID field and the password in the
Password field. Enter the Root Certificate in the field or click the Browse button to browse for it, then upload
it.
•
•
EAP Type - The authentication method that your network uses. Select TTLS from the drop-down menu.
User ID -Your User ID is the Login name of your wireless network. Enter the Login name of your wireless
network in the User ID field.
•
•
Password - This is the password used for your wireless network. Enter the password in the Password
field.
Root Certificate - Enter the root certificate you have installed to authenticate you on your wireless
network or click the Browse button to browse for it. Click the Upload button to upload the certificate.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the View Log button to view a log.
Figure 7-8: RADIUS-TTLS
EAP (Extensible Authentication Protocol) - A general
authentication protocol used to control network access.
Many specific authentication methods work within this
framework.
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WPA RADIUS
WPA RADIUS. This option features WPA used in coordination with a RADIUS server. (This should only be used
when a RADIUS server is connected to the Router.) The WPA algorithm used is TKIP. Enter the RADIUS server’s
IP Address and port number, along with a key shared between the Router and the server. Last, enter a Key
Renewal Timeout, which instructs the Router how often it should change the encryption keys. (See Figure 7-
11.)
Click the Apply button to save your changes. If your screen doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the View Log button to view a log.
TLS
TLS is a mutual authentication method that uses digital certificates. Select TLS from the EAP Type drop-down
menu. Enter the Login name of your wireless network in the User ID field. Enter the User Certificate and Root
Certificate in the fields or click the Browse button to browse for it, then upload it.
•
•
•
EAP Type - The authentication method that your network uses. Select TLS from the drop-down menu.
WPA Algorithm - The WPA algorithm used is TKIP.
Figure 7-9: WPA RADIUS-TLS
User ID -Your User ID is the Login name of your wireless network. Enter the Login name of your wireless
network in the User ID field.
•
•
User Certificate - Enter the user certificate you have installed to authenticate you on your wireless
network or click the Browse button to browse for it. Click the Upload button to upload the certificate.
TLS (Transport Layer Security) - A mutual authentication
method that uses digital certificates.
Root Certificate - Enter the root certificate you have installed to authenticate you on your wireless
network or click the Browse button to browse for it. Click the Upload button to upload the certificate.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the View Log button to view a log.
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TTLS
TTLS is a mutual authentication method that uses digital certificates. Select TTLS from the EAP Type drop-
down menu. Enter the Login name of your wireless network in the User ID field and the password in the
Password field. Enter the Root Certificate in the field or click the Browse button to browse for it, then upload
it.
•
•
•
EAP Type - The authentication method that your network uses. Select TTLS from the drop-down menu.
WPA Algorithm - The WPA algorithm used is TKIP.
User ID -Your User ID is the Login name of your wireless network. Enter the Login name of your wireless
network in the User ID field.
•
•
Password - This is the password used for your wireless network. Enter the password in the Password
field.
Root Certificate - Enter the root certificate you have installed to authenticate you on your wireless
network or click the Browse button to browse for it. Click the Upload button to upload the certificate.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the View Log button to view a log.
Figure 7-10: WPA RADIUS-TTLS
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WPA Pre-Shared Key
WPA gives you TKIP for the encryption method. Enter a WPA Shared Key of 8-32 characters. (See Figure 7-11.)
Enter a key shared between the Bridge and the server.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the View Log button to view a log.
The Log Table screen appears in Figure 7-12. The log shows the authentication process.
Click the Refresh button to refresh the screen. Click the Close button to return to the the previous screen.
Figure 7-11: WPA Pre-Shared Key
Figure 7-12: Log Table
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Password
The Password screen, shown in Figure 7-13, lets you change the Bridge’s Username and Password and restore
the factory default settings.
•
Username - It is strongly recommended that you change the factory default user name of the Bridge from
admin to a new password that you create. All users who try to access the Bridge’s Web-based Utility will be
prompted for the Bridge’s Password. The new Password must not exceed 12 characters in length and must
not include any spaces.
•
Administrative Password - It is strongly recommended that you change the factory default password of the
Bridge from admin to a new password that you create. All users who try to access the Bridge’s Web-based
Utility will be prompted for the Bridge’s Password. The new Password must not exceed 12 characters in
length and must not include any spaces. Enter the new Password a second time to confirm it.
IMPORTANT: Any settings you have saved will be
lost if the default settings are restored.
Figure 7-13: Password Tab
•
Restore Factory Defaults - Click the Yes radio button to reset all configuration settings to their default values.
If you do not want to restore the factory defaults, then keep the default setting, No.
To save your changes, click the Apply button. Click the Cancel button to cancel your changes. Click the Help
button for additional on-screen information.
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Wireless
Use the Wireless screen, shown in Figure 7-14, to customize advanced wireless settings and clone a MAC
address onto the Bridge.
Advanced Wireless
•
•
Transmission Rate - The default setting is Auto. The range is from 1 to 54Mbps.The rate of data transmission
should be set depending on the speed of your wireless network. You can select from a range of transmission
speeds, or you can keep the default setting, Auto, to have the Bridge automatically use the fastest possible
data rate and enable the Auto-Fallback feature. Auto-Fallback will negotiate the best possible connection
speed between the Bridge and another wireless-equipped device.
Authentication Type - The default setting is Auto. The choices are Auto, Open, and Shared. This setting
allows the Bridge to authenticate communication with the wireless devices in your network. With the Shared
key setting, all wireless devices must have the same WEP keys so that the Bridge and the client can
authenticate each other and start transmitting data. With the Open system setting, any device can join a
network without performing any security check. Using the Auto setting, the Bridge will automatically detect
whether a wireless device uses shared key or open system authentication, and then it will transmit data using
the appropriate authentication type.
•
•
RTS Threshold - This value should remain at its default setting of 2347. The range is 0-2347 bytes. Should
you encounter inconsistent data flow, only minor modifications are recommended. If a network packet is
smaller than the preset RTS threshold size, the RTS/CTS mechanism will not be enabled. The Router sends
Request to Send (RTS) frames to a particular receiving station and negotiates the sending of a data frame.
After receiving an RTS, the wireless station responds with a Clear to Send (CTS) frame to acknowledge the
right to begin transmission.
Figure 7-14: Wireless Tab
Fragmentation Threshold - This value should remain at its default setting of 2346. The range is 256-2346
bytes. It specifies the maximum size for a packet before data is fragmented into multiple packets. If you
experience a high packet error rate, you may slightly increase the Fragmentation Threshold. Setting the
Fragmentation Threshold too low may result in poor network performance. Only minor modifications of this
value are recommended.
MAC Address
•
Cloning Mode - You can clone the MAC address of any network device onto the Bridge. To disable MAC
address cloning, keep the default setting, Disable. To use the MAC cloning feature, select Enable.
If you have enabled MAC cloning, then select Auto if you want to clone the MAC address of the device
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currently connected to the Bridge’s LAN port. The Bridge will actively scan for a new MAC address to be
cloned whenever you disconnect and re-connect multiple devices to the Bridge through its LAN port. Select
Manual if you want to specify a MAC address in the Enter MAC Address field. This is useful when the Bridge
is connected to multiple devices through the switch.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the Cancel button to cancel your changes. Click the Help button for
additional on-screen information.
Switch Tab
These screens allow you to configure settings for the managed switch feature. The settings in the Switch tabs
should only be modified by advanced users.
Spanning Tree Protocol
This screen allows you to configure the Spanning Tree Protocol settings for the managed switch feature.
Spanning Tree
•
•
•
STP - Select Enable to enable the Spanning Tree Daemon or Disable to disable the Spanning Tree Daemon.
Max Age - Enter the timeout period for the information in each Hello message received from others.
Hello Time - Enter the Hello message broadcast interval. The Spanning Tree Hello message is used to
exchange the topology information between each Spanning Tree Daemon
Figure 7-15: Spanning Tree Protocol Tab
•
Forward Delay - The bridge will start from the the block state and then change to listening, learning , then
forwarding. It will only forward packets in the forwarding state. Enter the delay defined by the time spent in
the listening and learning state.
Click the Apply Global Setting button to save your settings globally.
•
STP Table - For ports 1 through 6.
Priority - The priority of this port. The smaller the priority value, the higher the priority. If two ports form a
loop, the port with higher priority value will change to block state, thus break the loop.
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Cost - The path cost to forward packets from this port, it's usually inversely proportional to the speed of the
port.
State - The STP state determined by the Spanning Tree protocol. They are Blocking, Listening, Learning and
Forwarding. This is determined by the STP Daemon.
Click the Apply Port Setting button to save your settings per port. Click the Cancel button to cancel your
changes. Click the Refresh button to refresh your screen. Click the Help button for additional on-screen
information.
QOS
This screen is used to configure the Quality of Service (QOS), Storm Filtering, and Flow Control settings for the
managed switch feature.
•
Global QOS Mode - There are 4 output queues per port with different priority. This QOS setting will let user
choose between a more evenly distributed Weighted Fair Queue or a strict Priority scheme. With Priority
scheme, the packets in the higher priority queue will always be forwarded first. With Weighted Fair Queue, the
switch will forward the packets with a 8:4:2:1 ratio.
•
•
Diff Serv Map - Select which bit in the packets' diff serv field to map to IP Diff Serv priority.
802.1p PRI Map - Select which bit in the packets' 802.1p priority field to map to 802.1p priority.
Click the Apply Global Setting button to save your global settings.
•
QOS Port Setting - Ports 1 through 5 are the wired ports. Port 6 is the wireless port.
QOS Priority - Select how to determine the QOS priority of each packet.
IP Diff Serv - It will use the IPv4 Diff Serv/Tos field to determine the QOS priority if the packet is an IP packet.
Otherwise, the lowest priority will be used.
802.1p - It will use the VLAN Priority Field to determine the QOS priority. Otherwise, the lowest priority will be
used.
Critical/High/Medium/Low - This setting will set all packets coming into this port to this priority value. Critical
is the highest and Low is the lowest.
•
Ingress Rate Mode - This is used for rate limiting. We can limit packet rate entering a specific port. This mode
will choose which packets will be limited. The limit will be set in the Ingress Rate field.
Figure 7-16: QOS Tab
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•
•
•
•
•
All Packets - This rate limit will be applied to all packets.
Flooded - This rate limit will be applied to Flooded unicast and Multicast and Broadcast packets.
Multicast - This rate limit will be applied to Multicast and Broadcast packets.
Broadcast - This rate limit will be applied to Broadcast packets only.
Ingress Rate - This setting allows you to choose the input data rate for a port. Packets exceeding this rate will
be dropped.
•
•
Egress Rate - This setting let user choose the output data rate for a port. Packets exceeding this rate will be
dropped.
Flow Control - When this feature is enabled, the wired LAN ports will exchange control packets with the
connected port before sending packets. If the other end is not able to process more packets , our sending port
will hold the packets. The mechanism will ensure that packets will not be lost on the wire. But it can still
cause congestion in other part of the network, so please use this with caution.
Click the Apply Port Setting button to save your settings per port. Click the Cancel button to cancel your
changes. Click the Refresh button to refresh your screen. Click the Help button for additional on-screen
information.
Switch Table
Use this screen to configure the switch address table settings for the managed switch feature, and to add or
delete static address table entries. Global ATU Setting is a global switch address table setting. Address Learning
is used to determine if the switch should automatically learn the mac address for the packets; the default is
enabled. Age Timer is is used to determine the idle time out of each address entry.
•
New Address Entry -Mac Address is the destination mac address. Output Port Vector is the output ports where
the packet should be routed to if there is a mac address match. Note, the packets can be routed to more than
1 port. The static address entry will be locked in the table and does not idle the timeout. To add entries, select
the port’s check box and click the Add New Entry button. To delete entries, select the port’s check box and
click the Delete Selected Entry button.
•
•
Static Address Table - This lists the static MAC address entries and the output port vector settings.
Address Table Dump - This is a complete dump of the address table, including both the dynamic learned
entries and static entries. If there is a topology change, click the Flush Table to button to remove all the
Figure 7-17: Switch Table Tab
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dynamic learned entries to force it to learn again. It will only dump at most 64 entries per page. If there are
already 64 entries, use Get Next Page to get more pages.
•
Life Remaining - This is the life remaining before an idle time out. The value is 0-15. If the switch received any
packets with the same destination MAC address, then the life value will reset to 15. If the life value decreases
to 0, then it will be removed from the table. The idle timeout is configured in the Age Timer field.
A static address entry will appear as locked or locked multicast in the address table. An entry might also be
added by the bridge when certain protocol (eg. spanning tree) is enabled. That entry will have a management
subtitle.
VLAN
This screen is used to configure the 802.1q VLAN and port based VLAN feature, and to add and delete individual
802.1q VLAN entries.
Global VLAN Setting
•
•
Disable - This will disable all VLAN function.
802.1q Check - In this 802.1q mode, when a packet comes in, the switch will parse for it's VLAN tag first. If
the packet does not have a VLAN tag, the default VID of the inport will be used as its VLAN ID. If the final VLAN
ID is not listed in the VLAN table, this packet will be dropped. Otherwise, the switch will search the switch
address table for the egress (output) port. Once the egress port is determined, the member option will be
used to determine if the switch will add or remove the tag or drop the packets.
•
•
802.1q Secure - This is similar to the 802.1q Check mode. But if the incoming port is not a member of this
VLAN ID, this packet will also be dropped.
Port Based - Each port has an outport vector that can be configured below. Packets can only exit the ports
that are enabled in the outport vector.
Click the Apply Global Setting button to save your global settings.
Port Based VLAN Setting
•
This is to set the Port Based VLAN Map. For each port, if the output field is checked, then packets are allowed
to exit that port. Packets are not allowed to enter and exit the same port.
Figure 7-18: VLAN Tab
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The port1 to port6 checkbox is disabled so that the user can always use port1 as a back door to access the
web config page when the port based VLAN is enabled.
•
802.1q Port VLAN Setting - Default VID Is used when 802.1q is enabled but input packet does not have a VLAN
tag. In this case, the Default VID will be used as the packet's VLAN tag.
Even if the input packet has a VLAN tag, user can still enabled the Force VID to change the VLAN tag of the
packet to the Default VID of the inport.
•
New VLAN ID - This is for adding new VLAN ID and the member tag into the VLAN table. VLAN ID can be any
integer between 1-4095. The maximum VLAN table size is 64. The member tag determine if a port is a
member of the VLAN and how to modify the packet when it exits the switch.
UnMod - This port is a member of this VLAN, packets will exit unmodified.
Drop - This port is not a member of this VLAN.
UnTag - This port is a member of this VLAN, packets will exit with the VLAN tag removed.
Tag - This port is a member of this VLAN, packets will exit this port with the VLAN tag. The VLAN tag can be
either the original one coming with the packet or the default VVID of the inport.
•
802.1q VLAN Table - This is the entire VLAN table. The user can select an entry and click Delete VLAN Entry
to remove this VLAN ID from the table.
Click the Apply Port Setting button to save your settings per port. Click the Cancel button to cancel your
changes. Click the Refresh button to refresh your screen. Click the Help button for additional on-screen
information.
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RMON Statistics
This screen is used to view the RMON counters for each port.
Port Selection - Select the port to display the packets statistics.
EtherStatsDropEvents - The total number of events in which packets were dropped by the probe due to lack of
resources. Note that this number is not necessarily the number of packets dropped; it is just the number of times
this condition has been detected.
EtherStatsOctets - The total number of octets(bytes) of data (including those in bad packets) received on the
network (excluding framing bits but including FCS octets). This object can be used as a reasonable estimate of
ethernet utilization.
EtherStatsPkts - The total number of packets (including bad packets, broadcast packets, and multicast packets)
received.
EtherStatsBroadcastPkts - The total number of good packets received that were directed to the broadcast
address. Note that this does not include multicast packets.
EtherStatsMulticastPkts - The total number of good packets received that were directed to a multicast address.
Note that this number does not include packets directed to the broadcast address.
EtherStatsCRCAlignErrors - The total number of packets received that had a length (excluding framing bits, but
including FCS octets) of between 64 and 1518 octets, inclusive, but but had either a bad Frame Check Sequence
(FCS) with an integral number of octets (FCS Error) or a bad FCS with a non-integral number of octets (Alignment
Error).
Figure 7-19: RMON Statistics Tab
EtherStatsUndersizePkts - The total number of packets received that were less than 64 octets long (excluding
framing bits, but including FCS octets) and were otherwise well formed.
EtherStatsOversizePkts - The total number of packets received that were longer than 1518 octets (excluding
framing bits, but including FCS octets) and were otherwise well formed.
EtherStatsFragments -The total number of packets received that were less than 64 octets in length (excluding
framing bits but including FCS octets) and had either a bad Frame Check Sequence (FCS) with an integral number
of octets (FCS Error) or a bad FCS with a non-integral number of octets (Alignment Error). Note that it is entirely
normal for etherStatsFragments to increment. This is because it counts both runts (which are normal
occurrences due to collisions) and noise hits.
EtherStatsJabbers - The total number of packets received that were longer than 1518 octets (excluding framing
bits, but including FCS octets), and had either a bad Frame Check Sequence (FCS) with an integral number of
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Octets (FCS Error) or a bad FCS with a non-integral number of octets (Alignment Error). Note that this definition of
jabber is different than the definition in IEEE-802.3 section 8.2.1.5 (10BASE5) and section 10.3.1.4 (10BASE2).
These documents define jabber as the condition where any packet exceeds 20 ms. The allowed range to detect
jabber is between 20 ms and 150 ms.
EtherStatsCollisions - The best estimate of the total number of collisions on this Ethernet segment. The value
returned will depend on the location of the RMON probe. Section 8.2.1.3 (10BASE-5) and section 10.3.1.3
(10BASE-2) of IEEE standard 802.3 states that a station must detect a collision, in the receive mode, if three or
more stations are transmitting simultaneously. A repeater port must detect a collision when two or more stations
are transmitting simultaneously. Thus a probe placed on a repeater port could record more collisions than a probe
connected to a station on the same segment would. Probe location plays a much smaller role when considering
10BASE-T. 14.2.1.4 (10BASE-T) of IEEE standard 802.3 defines a collision as the simultaneous presence of
signals on the DO and RD circuits (transmitting and receiving at the same time). A 10BASE-T station can only
detect collisions when it is transmitting. Thus probes placed on a station and a repeater, should report the same
number of collisions. Note also that an RMON probe inside a repeater should ideally report collisions between the
repeater and one or more other hosts (transmit collisions as defined by IEEE 802.3k) plus receiver collisions
observed on any coax segments to which the repeater is connected.
EtherStatsPkts64Octets - The total number of packets (including bad packets) received that were 64 octets in
length (excluding framing bits but including FCS octets).
EtherStatsPkts65to127Octets - The total number of packets (including bad packets) received that were between
65 and 127 octets in length inclusive (excluding framing bits but including FCS octets).
EtherStatsPkts128to255Octets - The total number of packets (including bad packets) received that were between
128 and 255 octets in length inclusive (excluding framing bits but including FCS octets).
EtherStatsPkts256to511Octets - The total number of packets (including bad packets) received that were between
256 and 511 octets in length inclusive (excluding framing bits but including FCS octets).
EtherStatsPkts512to1023Octets - The total number of packets (including bad packets) received that were
between 512 and 1023 octets in length inclusive (excluding framing bits but including FCS octets).
EtherStatsPkts1024to1518Octets - The total number of packets (including bad packets) received that were
between 1024 and 1518 octets in length inclusive (excluding framing bits but including FCS octets).
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Port Mirroring
This screen shows the status of each port and allows you to configure the port mirroring settings for the manage
switch feature. The information here is for the wired LAN ports. For wireless status and packet counts, please
refer to the Wireless Status page.
Port Information Table
Ports 1 through 5 are the wired ports. Port 6 is the wireless port.
Link - If a port is connected, then the status is up, otherwise it is down.
Duplex - The auto-negotiation result of duplex mode, can be full duplex or half duplex. Full duplex mode will allow
packets sent in both way simutaneously and results in 2x througput than half duplex mode.
Speed - The auto-negotiation result of speed. It can be 10Mbps or 100Mbps.
Rx Packets - Received packets count
Tx Packets - Transmit packets count
Port Mirroring Setting
Figure 7-20: Port Mirroring Tab
Port mirroring will duplicate traffic from the From Port to the To Port. This is good for debugging network
problems.
Type - Disable will turn off the monitor function. Monitor egress will only monitor traffic exiting the from that
specific port.
Monitor both will monitor both directions of traffic in the From Port.
From Port - The port to be mirrored.
To Port - The port where the traffic is mirrored to.
Click the Apply button to save your changes. If your page doesn’t automatically refresh itself, then click the
Refresh button of your web browser. Click the Cancel button to cancel your changes. Click the Help button for
additional on-screen information.
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Access List
This screen is used to configure the access list settings between wireless and switch ports.
Access List Type - An Access List is a list of source MAC addresses. If a packet is coming from a wireless to a LAN
port or vice versa, this device will check if the source MAC address of the packet matches any entry in this list.
And use the match result to pass or drop this packet. However, packets from LAN port to LAN port will not be
checked. If you click Disable, this will disable all access list functions. If you click Accept, only packets that
match an entry on the list will be passed. All others will be dropped.
Click the Apply Global Setting button to save your global settings.
Block - Packets that matches an entry on the list will be dropped. All others will be passed.
Block List - The list of source MAC address that will be blocked when mode is Block.
To block a port, enter the MAC address in the New Block Entry field, and click the Add Block Entry button. To
unblock the port, enter the MAC address in the New Block Entry field, and click the Delete Selected Entry
button.
Pkt Count - the number of packets dropped with this blocked MAC address.
To accept a port, enter the MAC address in the New Accept Entry field, and click the Add Accept Entry button. To
unaccept the port, enter the MAC address in the New Accept Entry field, and click the Delete Accept Entry
button.
Accept List - The list of source mac address which will be accepted when the mode is Accept.
Figure 7-21: Access List Tab
Pkt Count - The number of packets accepted with this Accept MAC address.
Accept Count - Counter for packets passing through this device when access list is enabled.
Drop Count - Counter for packets dropped by this device when access list is enabled.
Click the Refresh button to refresh the screen. Click the Help button for additional on-screen information.
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Wireless Status
The Status screen displayed the Bridge’s current status and settings. All information is read-only.
•
•
•
Device Name - The name you have assigned to the Bridge is displayed here.
Firmware Version - The version number of the Bridge’s firmware is displayed here.
MAC Address - The MAC Address of the Bridge is displayed here.
LAN Settings
•
•
•
IP Address - The Bridge’s IP Address is displayed here.
Subnet Mask - The Bridge’s Subnet Mask is displayed here.
Gateway - The Gateway address for the Bridge is displayed here.
Statistics
•
•
•
•
Ethernet TX - The number of packets transmitted to the Ethernet network is displayed here.
Ethernet RX - The number of packets received from the Ethernet network is displayed here.
Wireless TX - The number of packets transmitted to the wireless network is displayed here.
Wireless RX - The number of packets received from the wireless network is displayed here.
Figure 7-22: Wireless Status Tab
Wireless Settings
•
•
•
•
•
•
SSID - The Bridge’s SSID is displayed here.
Network Type - The Bridge’s mode is displayed here.
Channel - The Bridge’s channel setting is displayed here.
WEP/WPA- The status of the Bridge’s security is displayed here.
TX Rate - The Bridge’s transmission rate is displayed here.
Link Quality - The quality of the Bridge’s connection is displayed here.
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Click the Refresh button to obtain the most up-to-date settings and statistics. Click the Help button for additional
on-screen information.
SNMP
This screen is used to configure the SNMP Trap related settings for the Bridge.
SNMP Trap - Use this function to enable or disable snmp trap messages. The trap messages will be sent when
there is a cold start, or link state change events.
Trap Community - This is the trap community string sent with the trap message. SNMP manager will use this
string to decide if a specific trap message will be received and processed. The default is public.
Click the Apply Global Setting button to save your global settings.
New Address Entry - The New IP address destination for this device to send an SNMP trap to.
SNMP Trap Address Table - The list of IP addresses for the SNMP Trap Destination.
Figure 7-23: SNMP Tab
To add a new entry, enter the IP address in the New Address Entry field, and click the Add New Entry button. To
delete an entry, select the IP address in the SNMP Trap Address Table, and click the Delete Selected Entry
button.
Click the Help button for additional on-screen information.
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Help
The Help screen offers links to all of the help information for the Web-based Utility’s screens and the Bridge’s
online technical support resources (all information is read-only). You can also upgrade the Bridge’s firmware.
•
•
Online manual in PDF format - Click the Online manual in PDF format to view this User Guide on-screen. It
is in Adobe Acrobat Portable Document File (.pdf) format, so you will need the free Adobe Acrobat Reader to
view the pdf. If you do not have the Reader, click the Adobe Website link to download it.
•
•
Adobe Website (software for viewing PDF documents) - If you need to download the Adobe Acrobat Reader to
view the User Guide pdf, then click the Adobe Website link.
Firmware Upgrade - The version number of the Bridge’s firmware is displayed here. Firmware updates are
posted at www.linksys.com. Firmware should be upgraded ONLY if you experience problems with the Bridge.
To upgrade the firmware, follow these instructions:
1. Download the Bridge’s firmware upgrade file from the Linksys website, www.linksys.com. Then extract
the file.
NOTE: If you upgrade the Bridge’s firmware, you
may lose its configuration settings.
2. On the Help screen, click the Firmware Upgrade button.
3. The screen shown in Figure 7-25 will appear. In the field provided, enter the name of the extracted
Figure 7-24: Help Tab
firmware upgrade file, or click the Browse button to find this file.
4. After you have selected the appropriate file, click the Upgrade button, and follow the on-screen
instructions.
Figure 7-25: Firmware Upgrade
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Appendix A: Troubleshooting
This appendix consists of two parts: “Common Problems and Solutions” and “Frequently Asked Questions.” This
appendix provides solutions to problems that may occur during the installation and operation of the Wireless-G
Ethernet Bridge. Read the description below to solve your problems. If you can't find an answer here, check the
Common Problems and Solutions
1. I can’t connect to the access point.
Open the Web-based Utility. On the Setup tab, perform the following steps:
•
•
•
Verify that the operating mode is set to Infrastructure mode.
Make sure that the SSID is the same as the SSID of the access point.
On the WEP Encryption screen, make sure that all of the WEP settings are the same as the WEP settings of
the access point.
2. I want to play head-to-head (ad-hoc) gaming with two Xboxes, but they won’t communicate.
Perform the following steps:
•
Make sure both Bridges are set to the same SSID, network mode (Ad-Hoc), channel setting, and WEP
settings.
•
•
Verify that the Bridges are set to different IP addresses.
You need to enable MAC address cloning on the Bridge for each Xbox. Follow these instructions:
1. Open the Web-based Utility for one of the Bridges.
2. Click the Wireless tab.
3. Select Enable from the MAC Address Cloning Mode drop-down menu.
4. Click the Auto radio button.
5. Click the Apply button to save your changes. When you connect the Bridge to the Xbox, the Bridge
will automatically clone the Xbox’s MAC address. Make sure that the Xbox is connected to Port 1.
Repeat steps 1-5 for the other Bridge.
•
3. I don’t know how to change the Bridge’s IP address.
You have two ways to change the Bridge’s IP address.
•
Open the Web-based Utility. On the Setup screen, click the Static IP Address radio button, and change
the IP address there.
•
If you encounter problems, power the Bridge off and on again, or push the Reset button. Then try to
change the IP address again.
Appendix A: Troubleshooting
Common Problems and Solutions
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4. The Bridge-enabled PC won’t communicate with a wireless-enabled PC or printer.
Perform the following steps:
•
•
Check that the wireless-enabled PC or printer is on the same wireless network as the PC using the Bridge.
Make sure that the SSID and network mode are the same for all devices connected to the same wireless
network.
•
If the wireless LAN settings are okay, make sure that all the devices are on the same IP network.
5. The Web-based Utility won’t open.
Make sure you correctly entered the Bridge’s IP address in the Address field of your web browser. If you are
not sure what the Bridge’s IP address is, then run the Setup Wizard. Follow the on-screen instructions until
you see a screen that lists all the Wireless-G Ethernet Bridges on your network. Select the Bridge you want to
access, and its IP address will appear in the Status box. Enter this IP address in your web browser’s Address
field. For details, refer to “Chapter 5: Setting Up the Wireless-G Ethernet Bridge.”
6. The Web-based Utility does not recognize my password.
The password is case-sensitive. Make sure that you are using the correct case(s) when entering the
password. If you forget your password, you can push the Bridge’s Reset button. This will reset the password
to the default setting; however, all other Bridge settings will be reset to the factory defaults as well. To use
the default setting, enter admin in the Password field.
7. After I make changes through the Web-based Utility, the new settings aren’t displayed on-screen.
Click the Refresh button of your web browser. If the new settings aren’t displayed, then unplug the power
adapter from the Bridge. Plug the power adapter back in, and then click the Refresh button again.
Frequently Asked Questions
What is the IEEE 802.11g standard?
It is one of the IEEE standards for wireless networks. The 802.11g standard allows wireless networking hardware
from different manufacturers to communicate, provided that the hardware complies with the 802.11g standard.
The 802.11g standard states a maximum data transfer rate of 54Mbps and an operating frequency of 2.4GHz. It is
backward compatible with 802.11b devices.
What is the IEEE 802.11b standard?
It is one of the IEEE standards for wireless networks. The 802.11b standard allows wireless networking hardware
from different manufacturers to communicate, provided that the hardware complies with the 802.11b standard.
The 802.11b standard states a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz.
Appendix A: Troubleshooting
Frequently Asked Questions
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Can I run an application from a remote computer over the wireless network?
This will depend on whether or not the application is designed to be used over a network. Consult the
application’s user guide to determine if it supports operation over a network.
Can I play multiplayer games with other users of the wireless network?
Yes, as long as the game supports multiple players over a LAN. Refer to the game’s user guide for more
information.
What is ad-hoc mode?
When a wireless network is set to ad-hoc mode, the wireless-equipped computers are configured to
communicate directly with each other. The ad-hoc wireless network will not communicate with any wired
network.
What is infrastructure mode?
When a wireless network is set to infrastructure mode, the wireless network is configured to communicate with
a wired network through a wireless access point.
What is roaming?
Roaming is the ability of a portable computer user to communicate continuously while moving freely throughout
an area greater than that covered by a single wireless network access point. Before using the roaming function,
the workstation must make sure that it is the same channel number as the wireless network access point of the
dedicated coverage area.
To achieve true seamless connectivity, the wireless LAN must incorporate a number of different functions. Each
node and wireless network access point, for example, must always acknowledge receipt of each message. Each
node must maintain contact with the wireless network even when not actually transmitting data. Achieving these
functions simultaneously requires a dynamic RF networking technology that links wireless network access points
and nodes. In such a system, the user’s end node undertakes a search for the best possible access to the system.
First, it evaluates such factors as signal strength and quality, as well as the message load currently being carried
by each wireless network access point and the distance of each wireless network access point to the wired
backbone. Based on that information, the node next selects the right wireless network access point and registers
its address. Communications between end node and host computer can then be transmitted up and down the
backbone.
As the user moves on, the end node’s RF transmitter regularly checks the system to determine whether it is in
touch with the original wireless network access point or whether it should seek a new one. When a node no
longer receives acknowledgment from its original wireless network access point, it undertakes a new search.
Upon finding a new wireless network access point, it then re-registers, and the communication process
continues.
Appendix A: Troubleshooting
Frequently Asked Questions
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What is ISM band?
The FCC and their counterparts outside of the U.S. have set aside bandwidth for unlicensed use in the ISM
(Industrial, Scientific and Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is being made available
worldwide. This presents a truly revolutionary opportunity to place convenient high speed wireless capabilities in
the hands of users around the globe.
What is Spread Spectrum?
Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in
reliable, secure, mission-critical communications systems. It is designed to trade off bandwidth efficiency for
reliability, integrity, and security. In other words, more bandwidth is consumed than in the case of narrowband
transmission, but the trade-off produces a signal that is, in effect, louder and thus easier to detect, provided that
the receiver knows the parameters of the spread-spectrum signal being broadcast. If a receiver is not tuned to
the right frequency, a spread-spectrum signal looks like background noise. There are two main alternatives,
Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).
What is DSSS? What is FHSS? And what are their differences?
Frequency Hopping Spread Spectrum (FHSS) uses a narrowband carrier that changes frequency in a pattern that
is known to both transmitter and receiver. Properly synchronized, the net effect is to maintain a single logical
channel. To an unintended receiver, FHSS appears to be short-duration impulse noise. Direct Sequence Spread
Spectrum (DSSS) generates a redundant bit pattern for each bit to be transmitted. This bit pattern is called a chip
(or chipping code). The longer the chip, the greater the probability that the original data can be recovered. Even if
one or more bits in the chip are damaged during transmission, statistical techniques embedded in the radio can
recover the original data without the need for retransmission. To an unintended receiver, DSSS appears as low
power wideband noise and is rejected (ignored) by most narrowband receivers.
Would the information be intercepted while transmitting on air?
Linksys products feature two-fold protection in security. On the hardware side, as with Direct Sequence Spread
Spectrum technology, it has the inherent security feature of scrambling. On the software side, Linksys products
offer the encryption function (WEP) to enhance security and access control. Users can set it up depending upon
their needs.
What is WEP?
WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 40/64 bit shared key algorithm, as
described in the IEEE 802.11 standard.
Appendix A: Troubleshooting
Frequently Asked Questions
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Appendix B: Wireless Security
Linksys wants to make wireless networking as safe and easy for you as possible. The current generation of
Linksys products provide several network security features, but they require specific action on your part for
implementation. So, keep the following in mind whenever you are setting up or using your wireless network.
Security Precautions
The following is a complete list of security precautions to take (at least steps 1 through 5 should be followed):
1. Change the default SSID.
2. Disable SSID Broadcast.
3. Change the default password for the Administrator account.
4. Enable MAC Address Filtering.
Note: Some of these security features are
available only through the network router or
access point. Refer to the router or access
point’s documentation for more information.
5. Change the SSID periodically.
6. Use the highest encryption algorithm possible. Use WPA if it is available. Please note that this may reduce
your network performance.
7. Change the WEP encryption keys periodically.
For information on implementing these security features, refer to “Chapter 7: Using the Wireless-G Ethernet
Bridge Web-based Utility.” The wireless security can be set up on this page.
Security Threats Facing Wireless Networks
Wireless networks are easy to find. Hackers know that in order to join a wireless network, wireless networking
products first listen for “beacon messages”. These messages can be easily decrypted and contain much of the
network’s information, such as the network’s SSID (Service Set Identifier). Here are the steps you can take:
Change the administrator’s password regularly. With every wireless networking device you use, keep in
mind that network settings (SSID, WEP keys, etc.) are stored in its firmware. Your network administrator is the
only person who can change network settings. If a hacker gets a hold of the administrator’s password, he, too,
can change those settings. So, make it harder for a hacker to get that information. Change the administrator’s
password regularly.
Appendix B: Wireless Security
Security Precautions
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SSID. There are several things to keep in mind about the SSID:
1. Disable Broadcast
2. Make it unique
3. Change it often
Most wireless networking devices will give you the option of broadcasting the SSID. While this option may be
more convenient, it allows anyone to log into your wireless network. This includes hackers. So, don’t broadcast
the SSID.
Wireless networking products come with a default SSID set by the factory. (The Linksys default SSID is “linksys”.)
Hackers know these defaults and can check these against your network. Change your SSID to something unique
and not something related to your company or the networking products you use.
Change your SSID regularly so that any hackers who have gained access to your wireless network will have to
start from the beginning in trying to break in.
MAC Addresses. Enable MAC Address filtering. MAC Address filtering will allow you to provide access to only
those wireless nodes with certain MAC Addresses. This makes it harder for a hacker to access your network with
a random MAC Address.
WEP Encryption. Wired Equivalent Privacy (WEP) is often looked upon as a cure-all for wireless security
concerns. This is overstating WEP’s ability. Again, this can only provide enough security to make a hacker’s job
more difficult.
There are several ways that WEP can be maximized:
1. Use the highest level of encryption possible
2. Use “Shared Key” authentication
Important: Always remember that each
device in your wireless network MUST use
the same encryption method and encryption
key or your wireless network will not function
properly.
3. Change your WEP key regularly
WPA. Wi-Fi Protected Access (WPA) is the newest and best available standard in Wi-Fi security. Two modes are
available: Pre-Shared Key and RADIUS. Pre-Shared Key gives you a the encryption method TKIP (Temporal Key
Integrity Protocol), which utilizes a stronger encryption method and incorporates Message Integrity Code (MIC) to
provide protection against hackers.RADIUS (Remote Authentication Dial-In User Service) utilizes a RADIUS server
for authentication and the use of dynamic TKIP or WEP.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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WPA Pre-Shared Key. If you do not have a RADIUS server, enter a password in the Pre-Shared key field of 8-
64 characters, and enter a Group Key Renewal period time between 0 and 99,999 seconds, which instructs
the Router or other device how often it should change the encryption keys.
RADIUS. WEP used in coordination with a RADIUS server. (This should only be used when a RADIUS server is
connected to the Router or other device.) First, enter the RADIUS server’s IP Address and port number, along
with a key shared between the device and the server. Then, select a WEP key and a level of WEP encryption,
and either generate a WEP key through the Passphrase or enter the WEP key manually.
Implementing encryption may have a negative impact on your network’s performance, but if you are transmitting
sensitive data over your network, encryption should be used.
These security recommendations should help keep your mind at ease while you are enjoying the most flexible
and convenient technology Linksys has to offer.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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Appendix C: Upgrading Firmware
You can use the Bridge’s Web-based Utility to upgrade the firmware; however, firmware should be upgraded
ONLY if you experience problems with the Bridge.
NOTE: If you upgrade the Bridge’s firmware, you
may lose its configuration settings.
To upgrade the Bridge’s firmware, follow these instructions:
2. Extract the file on your computer.
3. Open the Bridge’s Web-based Utility, and click the Help tab.
4. On the Help screen, click the Firmware Upgrade button.
5. The screen shown in Figure C-1 will appear. In the field provided, enter the name of the extracted firmware
upgrade file, or click the Browse button to find this file.
6. After you have selected the appropriate file, click the Upgrade button, and follow the on-screen instructions.
Figure C-1: Firmware Upgrade
Appendix C: Upgrading Firmware
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Appendix D: Windows Help
Almost all Linksys wireless products require Microsoft Windows. Windows is the most used operating system in
the world and comes with many features that help make networking easier. These features can be accessed
through Windows Help and are described in this appendix.
TCP/IP
Before a computer can communicate with the Bridge, TCP/IP must be enabled. TCP/IP is a set of instructions, or
protocol, all PCs follow to communicate over a network. This is true for wireless networks as well. Your PCs will
not be able to utilize wireless networking without having TCP/IP enabled. Windows Help provides complete
instructions on enabling TCP/IP.
Shared Resources
If you wish to share printers, folder, or files over your network, Windows Help provides complete instructions on
utilizing shared resources.
Network Neighborhood/My Network Places
Other PCs on your network will appear under Network Neighborhood or My Network Places (depending upon the
version of Windows you're running). Windows Help provides complete instructions on adding PCs to your
network.
Appendix D: Windows Help
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Appendix E: Glossary
802.11a - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an
operating frequency of 5GHz.
802.11b - An IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an
operating frequency of 2.4GHz.
802.11g - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps, an
operating frequency of 2.4GHz, and backward compatibility with 802.11b devices.
Access Point - A device that allows wireless-equipped computers and other devices to communicate with a
wired network. Also used to expand the range of a wireless network.
Adapter - A device that adds network functionality to your PC.
Ad-hoc - A group of wireless devices communicating directly with each other (peer-to-peer) without the use of
an access point.
AES (Advanced Encryption Standard) - A method that uses up to 256-bit key encryption to secure data.
Backbone - The part of a network that connects most of the systems and networks together, and handles the
most data.
Bandwidth - The transmission capacity of a given device or network.
Beacon Interval - Data transmitted on your wireless network that keeps the network synchronized.
Bit - A binary digit.
Boot - To start a device and cause it to start executing instructions.
Bridge - A device that connects different networks.
Broadband - An always-on, fast Internet connection.
Browser - An application program that provides a way to look at and interact with all the information on the
World Wide Web.
Appendix E: Glossary
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Wireless-G Ethernet Bridge with 5-Port Switch
Buffer - A shared or assigned memory area that is used to support and coordinate different computing and
networking activities so one isn't held up by the other.
Byte - A unit of data that is usually eight bits long
Cable Modem - A device that connects a computer to the cable television network, which in turn connects to the
Internet.
CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) - A method of data transfer that is used to prevent
data collisions.
CTS (Clear To Send) - A signal sent by a wireless device, signifying that it is ready to receive data.
Daisy Chain - A method used to connect devices in a series, one after the other.
Database - A collection of data that is organized so that its contents can easily be accessed, managed, and
updated.
DDNS (Dynamic Domain Name System) - Allows the hosting of a website, FTP server, or e-mail server with a
Default Gateway - A device that forwards Internet traffic from your local area network.
DHCP (Dynamic Host Configuration Protocol) - A networking protocol that allows administrators to assign
temporary IP addresses to network computers by "leasing" an IP address to a user for a limited amount of time,
instead of assigning permanent IP addresses.
DMZ (Demilitarized Zone) - Removes the Router's firewall protection from one PC, allowing it to be "seen" from
the Internet.
DNS (Domain Name Server) - The IP address of your ISP's server, which translates the names of websites into IP
addresses.
Domain - A specific name for a network of computers.
Download - To receive a file transmitted over a network.
DSL (Digital Subscriber Line) - An always-on broadband connection over traditional phone lines.
DSSS (Direct-Sequence Spread-Spectrum) - Frequency transmission with a redundant bit pattern resulting in a
lower probability of information being lost in transit.
Appendix E: Glossary
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Wireless-G Ethernet Bridge with 5-Port Switch
DTIM (Delivery Traffic Indication Message) - A message included in data packets that can increase wireless
efficiency.
Dynamic IP Address - A temporary IP address assigned by a DHCP server.
EAP (Extensible Authentication Protocol) - A general authentication protocol used to control network access.
Many specific authentication methods work within this framework.
EAP-PEAP (Extensible Authentication Protocol-Protected Extensible Authentication Protocol) - A mutual
authentication method that uses a combination of digital certificates and another system, such as passwords.
EAP-TLS (Extensible Authentication Protocol-Transport Layer Security) - A mutual authentication method that
uses digital certificates.
Encryption - Encoding data transmitted in a network.
Ethernet - IEEE standard network protocol that specifies how data is placed on and retrieved from a common
transmission medium.
Finger - A program that tells you the name associated with an e-mail address.
Firewall - A set of related programs located at a network gateway server that protects the resources of a
network from users from other networks.
Firmware - The programming code that runs a networking device.
Fragmentation -Breaking a packet into smaller units when transmitting over a network medium that cannot
support the original size of the packet.
FTP (File Transfer Protocol) - A protocol used to transfer files over a TCP/IP network.
Full Duplex - The ability of a networking device to receive and transmit data simultaneously.
Gateway - A device that interconnects networks with different, incompatible communications protocols.
Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at a
time.
Hardware - The physical aspect of computers, telecommunications, and other information technology devices.
HTTP (HyperText Transport Protocol) - The communications protocol used to connect to servers on the World
Wide Web.
Appendix E: Glossary
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IEEE (The Institute of Electrical and Electronics Engineers) - An independent institute that develops networking
standards.
Infrastructure - A wireless network that is bridged to a wired network via an access point.
IP (Internet Protocol) - A protocol used to send data over a network.
IP Address - The address used to identify a computer or device on a network.
IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device.
IPSec (Internet Protocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer.
ISM band - Radio bandwidth utilized in wireless transmissions.
ISP (Internet Service Provider) - A company that provides access to the Internet.
LAN - The computers and networking products that make up your local network.
LEAP (Lightweight Extensible Authentication Protocol) - A mutual authentication method that uses a username
and password system.
MAC (Media Access Control) Address - The unique address that a manufacturer assigns to each networking
device.
Mbps (MegaBits Per Second) - One million bits per second; a unit of measurement for data transmission.
mIRC - An Internet Relay Chat program that runs under Windows.
Multicasting - Sending data to a group of destinations at once.
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.
NNTP (Network News Transfer Protocol) - The protocol used to connect to Usenet groups on the Internet.
Node - A network junction or connection point, typically a computer or work station.
Appendix E: Glossary
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OFDM (Orthogonal Frequency Division Multiplexing) - Frequency transmission that separates the data stream
into a number of lower-speed data streams, which are then transmitted in parallel to prevent information from
being lost in transit.
Packet - A unit of data sent over a network.
Passphrase - Used much like a password, a passphrase simplifies the WEP encryption process by automatically
generating the WEP encryption keys for Linksys products.
Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online.
POP3 (Post Office Protocol 3) - A standard mail server commonly used on the Internet.
Port - The connection point on a computer or networking device used for plugging in cables or adapters.
Power over Ethernet (PoE) - A technology enabling an Ethernet network cable to deliver both data and power.
PPPoE (Point to Point Protocol over Ethernet) - A type of broadband connection that provides authentication
(username and password) in addition to data transport.
PPTP (Point-to-Point Tunneling Protocol) - A VPN protocol that allows the Point to Point Protocol (PPP) to be
tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe.
Preamble - Part of the wireless signal that synchronizes network traffic.
RADIUS (Remote Authentication Dial-In User Service) - A protocol that uses an authentication server to control
network access.
RJ-45 (Registered Jack-45) - An Ethernet connector that holds up to eight wires.
Roaming - The ability to take a wireless device from one access point's range to another without losing the
connection.
Router - A networking device that connects multiple networks together.
RTS (Request To Send) - A networking method of coordinating large packets through the RTS Threshold setting.
Server - Any computer whose function in a network is to provide user access to files, printing, communications,
and other services.
SMTP (Simple Mail Transfer Protocol) - The standard e-mail protocol on the Internet.
SNMP (Simple Network Management Protocol) - A widely used network monitoring and control protocol.
Appendix E: Glossary
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Software - Instructions for the computer. A series of instructions that performs a particular task is called a
"program".
SOHO (Small Office/Home Office) - Market segment of professionals who work at home or in small offices.
SPI (Stateful Packet Inspection) Firewall - A technology that inspects every incoming packet of information
before allowing it to enter the network.
Spread Spectrum - Wideband radio frequency technique used for more reliable and secure data transmission.
SSID (Service Set IDentifier) - Your wireless network's name.
Static IP Address - A fixed address assigned to a computer or device that is connected to a network.
Static Routing - Forwarding data in a network via a fixed path.
Subnet Mask - An address code that determines the size of the network.
Switch - 1. A data switch that connects computing devices to host computers, allowing a large number of
devices to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an
electrical circuit.
TCP (Transmission Control Protocol) - A network protocol for transmitting data that requires acknowledgement
from the recipient of data sent.
TCP/IP (Transmission Control Protocol/Internet Protocol) - A set of instructions PCs use to communicate over a
network.
Telnet - A user command and TCP/IP protocol used for accessing remote PCs.
TFTP (Trivial File Transfer Protocol) - A version of the TCP/IP FTP protocol that has no directory or password
capability.
Throughput - The amount of data moved successfully from one node to another in a given time period.
TKIP (Temporal Key Integrity Protocol) - a wireless encryption protocol that provides dynamic encryption keys for
each packet transmitted.
Topology - The physical layout of a network.
TX Rate - Transmission Rate.
Appendix E: Glossary
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UDP (User Datagram Protocol) - A network protocol for transmitting data that does not require acknowledgement
from the recipient of the data that is sent.
Upgrade - To replace existing software or firmware with a newer version.
Upload - To transmit a file over a network.
URL (Uniform Resource Locator) - The address of a file located on the Internet.
VPN (Virtual Private Network) - A security measure to protect data as it leaves one network and goes to another
over the Internet.
WAN (Wide Area Network)- The Internet.
WEP (Wired Equivalent Privacy) - A method of encrypting network data transmitted on a wireless network for
greater security.
WINIPCFG - A Windows 98 and Me utility that displays the IP address for a particular networking device.
WLAN (Wireless Local Area Network) - A group of computers and associated devices that communicate with
each other wirelessly.
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.
Appendix E: Glossary
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Wireless-G Ethernet Bridge with 5-Port Switch
Appendix F: Specifications
Model
WET54GS5
Standards
Ports
IEEE 802.3, 802.3u, 802.11g, 802.11b, 802.1Q, 802.1d, 802.1p
5 10/100 Ports with Auto MDI/MDIX support, Power
Reset Button
Buttons
Cabling Type
LEDs
Category 5 or better
Power, Diag, Wireless-G Link, Wireless-G Act, 1-5
Transmit Power
802.11g: Typical 12 1dBm @ Normal Temp Range, 802.11b: Typical
16 1 dBm @ Normal Temp Range
Security Feature
Wired Equivilent Privacy, also supports PSK-TKIP and RADIUS (not an
authenticator for connected nodes, only for the Bridge itself)
WEP Key Bits
Protocols
64 and 128-bit
802.11b: CCK (11Mbps), CCK (5.5Mbps), DQPSK (2Mbps),
DBPSK (1Mbps)
802.11g: OFDM (54Mbps)
Dimensions
5.20" x 1.14" x 5.12"
(132 mm x 29 mm x 130 mm)
Unit Weight
Power
13.6 oz. (0.39 kg)
5V DC 2A
Certifications
FCC Class B, CE Class B, VCCI Class B
Appendix F: Specifications
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Operating Temp.
Storage Temp.
Operating Humidity
Storage Humidity
Warranty
32°F to 104°F (0°C to 40°C)
-4°F to 158°F (-20°C to 70°C)
10% to 85%, Non-Condensing
5% to 90%, Non-Condensing
1 Year Limited Warranty
Appendix F: Specifications
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Wireless-G Ethernet Bridge with 5-Port Switch
Appendix G: Warranty Information
LIMITED WARRANTY
Linksys warrants to You that, for a period of three years (the “Warranty Period”), your Linksys Product will be substantially
free of defects in materials and workmanship under normal use. Your exclusive remedy and Linksys' entire liability under
this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any
rebates. This limited warranty extends only to the original purchaser.
If the Product proves defective during the Warranty Period call Linksys Technical Support in order to obtain a Return
Authorization Number, if applicable. BE SURE TO HAVE YOUR PROOF OF PURCHASE ON HAND WHEN CALLING. If You are
requested to return the Product, mark the Return Authorization Number clearly on the outside of the package and include a
copy of your original proof of purchase. RETURN REQUESTS CANNOT BE PROCESSED WITHOUT PROOF OF PURCHASE. You
are responsible for shipping defective Products to Linksys. Linksys pays for UPS Ground shipping from Linksys back to You
only. Customers located outside of the United States of America and Canada are responsible for all shipping and handling
charges.
ALL IMPLIED WARRANTIES AND CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED
TO THE DURATION OF THE WARRANTY PERIOD. ALL OTHER EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF NON-INFRINGEMENT, ARE DISCLAIMED. Some jurisdictions do not
allow limitations on how long an implied warranty lasts, so the above limitation may not apply to You. This warranty gives
You specific legal rights, and You may also have other rights which vary by jurisdiction.
This warranty does not apply if the Product (a) has been altered, except by Linksys, (b) has not been installed, operated,
repaired, or maintained in accordance with instructions supplied by Linksys, or (c) has been subjected to abnormal
physical or electrical stress, misuse, negligence, or accident. In addition, due to the continual development of new
techniques for intruding upon and attacking networks, Linksys does not warrant that the Product will be free of
vulnerability to intrusion or attack.
TO THE EXTENT NOT PROHIBITED BY LAW, IN NO EVENT WILL LINKSYS BE LIABLE FOR ANY LOST DATA, REVENUE OR
PROFIT, OR FOR SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, REGARDLESS OF THE THEORY
OF LIABILITY (INCLUDING NEGLIGENCE), ARISING OUT OF OR RELATED TO THE USE OF OR INABILITY TO USE THE PRODUCT
(INCLUDING ANY SOFTWARE), EVEN IF LINKSYS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT
WILL LINKSYS’ LIABILITY EXCEED THE AMOUNT PAID BY YOU FOR THE PRODUCT. The foregoing limitations will apply even
if any warranty or remedy provided under this Agreement fails of its essential purpose. Some jurisdictions do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to You.
Please direct all inquiries to: Linksys, P.O. Box 18558, Irvine, CA 92623.
61
Appendix G: Warranty Information
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Wireless-G Ethernet Bridge with 5-Port Switch
Appendix H: Regulatory Information
FCC Statement
This product has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used according to the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which is found by turning the equipment off and on,
the user is encouraged to try to correct the interference by one or more of the following measures:
•
•
•
•
Reorient or relocate the receiving antenna
Increase the separation between the equipment or devices
Connect the equipment to an outlet other than the receiver's
Consult a dealer or an experienced radio/TV technician for assistance
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator and your body.
Industry Canada (Canada)
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
The use of this device in a system operating either partially or completely outdoors may require the user to obtain
a license for the system according to the Canadian regulations.
Appendix H: Regulatory Information
FCC Statement
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Appendix I: Contact Information
Need to contact Linksys?
Visit us online for information on the latest products and updates
to your existing products at:
ftp.linksys.com
Can't find information about a product you want to buy
on the web? Do you want to know more about networking
with Linksys products? Give our advice line a call at:
Or fax your request in to:
800-546-5797 (LINKSYS)
949-261-8868
If you experience problems with any Linksys product,
you can call us at:
800-326-7114
Don't wish to call? You can e-mail us at:
If any Linksys product proves defective during its warranty period,
you can call the Linksys Return Merchandise Authorization
department for obtaining a Return Authorization Number at:
(Details on Warranty and RMA issues can be found in the Warranty
Information section in this Guide.)
949-261-1288
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Appendix I: Contact Information
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