LINKSYS WAP200 Wireless-G Access Point with POE and RangeBooster User Manual Book

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USER GUIDE
Wireless-G Access Point
with Power Over Ethernet
and Rangebooster
Model No. WAP200
ModelModel
No. No.
BUSINESS SERIES
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Copyright and Trademarks
Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco
Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2006 Cisco Systems, Inc. All
rights reserved. Other brands and product names are trademarks or registered trademarks of their respective
holders.
WARNING: This product contains chemicals, including lead, known
to the State of California to cause cancer, and birth defects or other
reproductive harm. Wash hands after handling.
How to Use this User Guide
The user guide to the Dual-Band Wireless Access Point has been designed to make understanding networking
with the Access Point easier than ever. Look for the following items when reading this User Guide:
This checkmark means there is a note of interest and
is something you should pay special attention to while
using the Access Point.
This exclamation point means there is a caution or
warning and is something that could damage your
property or the Access Point.
This question mark provides you with a reminder about
something you might need to do while using the Access Point.
In addition to these symbols, there are definitions for technical terms that are presented like this:
word: definition.
Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like
this:
Figure 0-1: Sample Figure Description
Figure numbers and descriptions can also be found in the “List of Figures” section.
WAP200-UG-61016NC RR
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Table of Contents
Chapter 1: Introduction
Welcome
What’s in this User Guide?
Chapter 2: Planning Your Wireless Network
Network Topology
Roaming
Network Layout
Example of a simple wireless network
Chapter 3: Getting to Know the Wireless-G Access Point
The LEDs
The Ports
Antennas and Positions
Chapter 4: Connecting the Wireless-G Access Point
Overview
Connection
Placement Options
Chapter 5: Setting Up the Wireless-G Access Point
Overview
Accessing the Utility
Navigating the Utility
10
10
10
11
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12
13
Chapter 6: Configuring the Wireless-G Access Point
16
The Setup - Basic Setup Tab
The Setup - Time Tab
The Wireless - Basic Wireless Settings Tab
The Wireless - Wireless Security Tab
The Wireless - Wireless Connection Control Tab
The Wireless - Advanced Wireless Settings Tab
The Wireless - VLAN & QoS Tab
The AP Mode Tab
The Security Monitor - Basic Settings Tab
The Security Monitor - Event Log Tab
The Administration - Management Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Administration - Log Tab
The Administration - Factory Default Tab
The Administration - Firmware Upgrade Tab
The Administration - Reboot Tab
The Administration - Config Management Tab
The Status - Local Network Tab
The Status - Wireless Tab
The Status - System Performance Tab
34
35
35
36
36
37
38
39
Appendix A: Troubleshooting
40
Frequently Asked Questions
40
Appendix B: Wireless Security
Security Precautions
Security Threats Facing Wireless Networks
Appendix C: Upgrading Firmware
Appendix D: Windows Help
Appendix E: Glossary
Appendix F: Specifications
Appendix G: Warranty Information
Appendix H: Regulatory Information
Appendix I: Contact Information
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
List of Figures
Figure 2-1: Example of a Simple Wireless Network
Figure 3-1: Front Panel
Figure 3-2: Back View
Figure 3-3: Desktop Placement and Antenna Setup
Figure 4-1: Connect the Ethernet Cable
Figure 4-2: Connect the Power
Figure 4-3: Stand
Figure 4-4: Mounting Dimensions
Figure 5-1: Login Screen
Figure 6-1: Setup - Basic Setup
Figure 6-2: Setup - Time
Figure 6-3: Wireless - Basic Wireless Settings
Figure 6-4: Wireless - Wireless Security (Disabled)
Figure 6-5: Wireless - Wireless Security (WEP)
Figure 6-6: Wireless - Wireless Security (WPA-Personal)
Figure 6-7: Wireless - Wireless Security (WPA2-Personal)
Figure 6-8: Wireless - Wireless Security (WPA2-Personal Mixed)
Figure 6-9: Wireless - Wireless Security (WPA-Enterprise)
Figure 6-10: Wireless - Wireless Security (WPA2-Enterprise)
Figure 6-11: Wireless - Wireless Security (WPA2 - Enterprise Mixed)
Figure 6-12: Wireless - Wireless Security (RADIUS)
Figure 6-13: Wireless - Wireless Connection Control
Figure 6-14: Select MAC Address from Wireless Client List
Figure 6-15: Wireless - Advanced Wireless
Figure 6-16: Wireless - VLAN & QoS
Figure 6-17: AP Mode
Figure 6-18: Wireless Repeater Mode
Figure 6-19: Wireless Bridge Mode
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
Figure 6-20: Security Monitor - Basic Settings
Figure 6-21: Security Monitor - Event Log
Figure 6-22: Administration - Management
Figure 6-23: Administration - Log
Figure 6-24: Administration - Factory Default
Figure 6-25: Administration - Firmware Upgrade
Figure 6-26: Administration - Reboot
Figure 6-27: Administration - Config Management
Figure 6-28: Status - Local Network
Figure 6-29: Status - Wireless
Figure 6-30: Status - System Performance
Figure 6-31: Status - Wireless
Figure 6-32: Status - System Performance
Figure C-1: Firmware Upgrade
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
Chapter 1: Introduction
Welcome
Thank you for choosing the Wireless-G Access Point with Power Over Ethernet and Rangebooster. This Access
Point will allow you to network wirelessly better than ever.
How does the Access Point do all of this? An access point allows for greater range and mobility within your
wireless network while also allowing you to connect the wireless network to a wired environment. In fact, the
Wireless-G Access Point with Power Over Ethernet and Rangebooster can support communications on up to four
wireless networks, using Virtual Local Area Network (VLAN) technology.
The Wireless-G Access Point with Power Over Ethernet and Rangebooster also offers the convenience of Power
over Ethernet (PoE) capability, so it can receive data and power over a single Ethernet network cable. You can
even connect wired networks in two different buildings, by using two Access Points set to Wireless Bridge mode.
access point: a device that allows wireless-equipped
computers and other devices to communicate with each
other and with devices on a wired network. Also used to
expand the range of a wireless network.
network: a series of computers or devices connected
together.
lan (local area network): the computers and networking
devices that make up your local network.
poe (power over ethernet): a technology enabling an
Ethernet network cable to deliver both data and power.
But what does all of this mean?
Networks are useful tools for sharing computer resources. You can access one printer from different computers
and access data located on another computer's hard drive. Networks are even used for playing multiplayer video
games. So, networks are not only useful in homes and offices, they can also be fun.
ethernet: network protocol defined in IEEE 802.3 standard
that specifies how data is placed on and retrieved from a
common transmission medium.
PCs on a wired network create a LAN, or Local Area Network. They are connected with Ethernet cables, which is
why the network is called “wired”.
adapter: a device that adds network functionality to your
PC.
PCs equipped with wireless client cards or adapters can communicate without cumbersome cables. By sharing
the same wireless settings, within their transmission radius, they form a wireless network. This is sometimes
called a WLAN, or Wireless Local Area Network. The Access Point bridges wireless networks of both 802.11g and
802.11b standards and wired networks.
802.11g: a 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.
Use the instructions in this Guide to help you connect the Access Point, set it up, and configure it to bridge your
different networks. These instructions should be all you need to get the most out of the Access Point.
802.11b: a wireless networking standard that specifies a
maximum data transfer rate of 11Mbps and an operating
frequency of 2.4GHz.
Chapter 1: Introduction
Welcome
Wireless-G Access Point with Power Over Ethernet and Rangebooster
What’s in this User Guide?
This user guide covers the steps for setting up and using the Wireless-G Access Point.
• Chapter 1: Introduction
This chapter describes the Wireless-G Access Point’s 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 Access Point
This chapter describes the physical features of the Access Point.
• Chapter 4: Connecting the Wireless-G Access Point
This chapter instructs you on how to connect your Access Point to your network and placement options.
• Chapter 5: Setting up the Wireless-G Access Point
This chapter explains how to perform the most basic setting changes through the Web-based Utility.
• Chapter 6: Configuring the Wireless-G Access Point
This chapter provides a reference for the available configuration through the Web-based Utility.
• Appendix A: Troubleshooting
This appendix describes some frequently asked questions regarding installation and use of the Wireless-G
Access Point with Power Over Ethernet and Rangebooster.
• 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 Access Point’s firmware.
• Appendix D: Windows Help.
This appendix describes some of the ways Windows can help you with wireless networking.
• Appendix E: Glossary
This appendix gives a brief glossary of terms frequently used in networking.
• Appendix F: Specifications
This appendix provides the Access Point’s technical specifications.
Chapter 1: Introduction
What’s in this User Guide?
Wireless-G Access Point with Power Over Ethernet and Rangebooster
• Appendix G: Warranty Information
This appendix supplies the Access Point’s warranty information.
• Appendix H: Regulatory Information
This appendix supplies the Access Point’s regulatory information.
• Appendix I: Contact Information
This appendix provides contact information for a variety of Linksys resources, including Technical Support.
Chapter 1: Introduction
What’s in this User Guide?
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Chapter 2: Planning Your Wireless Network
Network Topology
A wireless network is a group of computers, each equipped with one or more wireless adapters. Computers in a
wireless network must be configured to share the same radio channel to talk to each other. Several PCs equipped
with wireless cards or adapters can communicate with each other to form an ad-hoc network without the use of
an access point.
Linksys also provides products to allow wireless adaptors to access wired network through a bridge such as the
wireless access point, or wireless router. An integrated wireless and wired network is called an infrastructure
network. Each wireless PC in an infrastructure network can talk to any computer in a wired or wireless network
via the access point or wireless router.
ad-hoc: a group of wireless devices communicating directly
with each other (peer-to-peer) without the use of an access
point.
infrastructure: a wireless network that is bridged to a wired
network via an access point.
An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and may double the
effective wireless transmission range for two wireless adapter PCs. Since an Access Point is able to forward data
within a network, the effective transmission range in an infrastructure network may be more than doubled since
Access Point can transmit signal at higher power to the wireless space.
Roaming
Infrastructure mode also supports roaming capabilities for mobile users. Roaming means that you can move your
wireless PC within your network and the access points will pick up the wireless PC's signal, providing that they
both share the same wireless network (SSID), wireless channel, and wireless security settings.
roaming: the ability to take a wireless device from one
access point's range to another without losing the
connection.
ssid: your wireless network's name
This Access Point has 802.11F Inter-Access Point Protocol (IAPP) to complete the roaming process in seconds. If
your wireless networks share the same IP subnet, this will not disrupt your data connection while moving around.
Before you consider roaming, choose a feasible radio channel and optimum access point position. Proper access
point positioning combined with a clear radio signal will greatly enhance performance.
Chapter 2: Planning Your Wireless Network
Network Topology
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Network Layout
The Wireless-G Access Point with Power Over Ethernet and Rangebooster has been designed for use with
802.11g and 802.11b products. The Access Point is compatible with 802.11g and 802.11b adapters, such as the
notebook adapters for your laptop computers, PCI adapters for your desktop PCs, and USB adapters for all PCs
when you want to enjoy wireless connectivity. These wireless products can also communicate with an 802.11g or
802.11b wireless print server (if available).
To link your wired network with your wireless network, connect the Access Point’s Ethernet network port to any
switch or router with Power over Ethernet (PoE)—or a PoE injector, such as the Linksys WAPPOE or WAPPOE12.
Note that the 12 VDC on the WAPPOE12 is for the splitter output. Both PoE Injectors provide 48 VDC power output.
With these, and many other, Linksys products, your networking options are limitless. Go to the Linksys website at
www.linksys.com for more information about wireless products.
Chapter 2: Planning Your Wireless Network
Network Layout
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Example of a simple wireless network
Figure 2-1: Example of a Simple Wireless Network
The above diagram shows a typical infrastructure wireless network setup. The wireless Access Points are
connecting to a Linksys switch that provides power to the Access Points. Each Access Point can connect multiple
wireless devices to the network. This network will provide connectivity among wireless network devices and PCs
that have a wired connection to the switch.
The switch then can connect to a router that can connect to an ISP to reach global Internet.
Chapter 2: Planning Your Wireless Network
Example of a simple wireless network
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Chapter 3: Getting to Know the Wireless-G Access Point
The LEDs
The Access Point's LEDs, where information about network activity is displayed, are located on the front panel.
Figure 3-1: Front Panel
Power
Green. The Power LED lights up when the Access Point is powered on.
PoE
Green. The PoE LED lights up when the Access Point is powered through Ethernet cable.
WIRELESS
Green. The WIRELESS LED lights up when the wireless module is active on the Access Point. If
the Wireless LED is flashing, the Access Point is actively sending to or receiving data from a
wireless device.
ETHERNET
Green. The ETHERNET LED lights up when the Access Point is successfully connected to a
device through the Ethernet network port. If the ETHERNET LED is flashing, the Access Point is
actively sending to or receiving data from one of the devices over the Ethernet network port.
Chapter 3: Getting to Know the Wireless-G Access Point
The LEDs
Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Ports
The Access Point’s port are located on the back of the device.
port: the connection point on a computer or
networking device used for plugging in
cables or adapters
Figure 3-2: Back View
Reset Button
There are two ways to reset the Access Point to the factory default configuration. Either press
the Reset button, for approximately ten seconds, or restore the defaults using the Access
Point's Web-based Utility.
Ethernet
The Ethernet network port connects to Ethernet network devices, such as a switch or router
that may or may not support Power over Ethernet (PoE).
Power
The Power port connects to the supplied power adapter.
Chapter 3: Getting to Know the Wireless-G Access Point
The Ports
IMPORTANT: Resetting the Access Point will
erase all of your settings (including wireless
security, IP address, and SSID) and replace
them with the factory defaults. Do not reset
the Access Point if you want to retain these
settings.
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Antennas and Positions
The Access Point’s antennas are located on the back of the device. The Access Point can be placed on a desktop
or wall-mounted. When placed on a desktop, the Access Point can be stacked with other Linksys Business Series
products.
Antenna
The Access Point has two detachable 2dBi omni-directional antennas. Adjust the two antennas
so that they form a 90 degree angle for best MIMO range performance.
Figure 3-3: Desktop Placement and Antenna Setup
Chapter 3: Getting to Know the Wireless-G Access Point
Antennas and Positions
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Chapter 4: Connecting the Wireless-G Access Point
Overview
This chapter explains how to place and connect the Access Point.
hardware: the physical aspect of
computers, telecommunications, and
other information technology devices.
Depending on your application, you might want to set up the device first before mounting the device. Refer to
“Chapter 5: Setting Up the Wireless-G Access Point”.
Connection
1. Connect your Ethernet network cable to your network router or switch. Then connect the other end of the
network cable to the Access Point’s Ethernet port.
2. If you are using Power Over Ethernet (POE), proceed to the following section, “Placement Options.”
If you are not using POE, then connect the included power adapter to the Access Point’s Power port. Then plug
the power adapter into an electrical outlet. The LEDs on the front panel will light up as soon as the Access
Point powers on.
Figure 4-1: Connect the Ethernet Cable
Proceed to the following section, “Placement Options.”
Figure 4-2: Connect the Power
Chapter 4: Connecting the Wireless-G Access Point
Overview
10
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Placement Options
There are three ways to place the Wireless-G Access Point. The first way is to place it horizontally on a surface, so
it sits on its four rubber feet. The second way is to stand the Access Point vertically on a surface. The third way is
to mount it on a wall. The stand and wall-mount options are explained in further detail below.
Stand Option
Large
Prongs
1. Locate the Access Point’s left side panel.
2. The Access Point includes two stands. With the two large prongs facing outward, insert the short prongs into
the little slots in the Access Point, and push the stand upward until it snaps into place.
Repeat this step with the other stand.
Now that the hardware installation is complete, proceed to “Chapter 5: Setting up the Wireless-G Access
Point,” for directions on how to set up the Access Point.
Figure 4-3: Stand
Wall-Mount Option
1. On the Access Point’s back panel are two crisscross wall-mount slots.
2. Determine where you want to mount the Access Point, and install two screws that are 2-15/16" apart.
2-15/16"
3. Line up the Access Point so that the wall-mount slots line up with the two screws.
4. Place the wall-mount slots over the screws and slide the Access Point down until the screws fit snugly into
the wall-mount slots.
Figure 4-4: Mounting Dimensions
Now that the hardware installation is complete, proceed to “Chapter 5: Setting up the Wireless-G Access
Point,” for directions on how to set up the Access Point.
Chapter 4: Connecting the Wireless-G Access Point
Placement Options
11
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Chapter 5: Setting Up the Wireless-G Access Point
Overview
The Access Point has been designed to be functional right out of the box with the default settings. However, if
you'd like to change these settings, the Access Point can be configured through your web browser with the
web-based Utility. This chapter explains how to use the Utility to perform the most basic settings.
The Utility can be accessed via web browsers, such as Microsoft Internet Explorer or Mozilla Firefox through the
use of a computer that is networked with the Access Point.
For a basic network setup, most users only have to use the following screens of the Utility:
• Setup
On the Setup screen, enter your basic network settings (IP address) here.
• Management
Click the Administration tab and then select the Management screen. The Access Point’s default password
is admin. To secure the Access Point, change the AP Password from its default.
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.
tcp/ip: a set of protocols PCs use to
communicate over a network.
browser: an application that provides a way to
look at and interact with all the information on the
World Wide Web.
Most users will also customize their wireless settings:
• Wireless
On the Wireless screen, change default SSID under the Basic Wireless Settings Tab. Select the level of
security under the Wireless Security Tab and complete the options for the selected security mode.
Accessing the Utility
There are three ways to connect to your Access Point for the first time.
1. If you have a 48VDC Power Injector (e.g. Linksys WAPPOE), power up your Access Point first, then connect the
Injector’s cable to your PC. Configure your PC to have the static IP address on the same subnet as the Access
Point’s default IP address (192.168.1.245).
2. If you have a PoE switch (e.g. Linksys SRW224P), connect your Access Point and your PC to the same
network. Configure your PC to have the static IP address on the same subnet as the Access Point’s default IP
address (192.168.1.245). Or if there is a DHCP server connected to the switch, configure it to assign the IP
address in 192.168.1.0/24 subnet. Your PC will get an IP address in the subnet through the DHCP.
Chapter 5: Setting Up the Wireless-G Access Point
Overview
12
Wireless-G Access Point with Power Over Ethernet and Rangebooster
3. Although it is not recommended, you can connect your PC wirelessly to the Access Point when the DHCP
server is connected on the LAN side. It is not recommended, because you can easily lose your connection
through configuration changes.
Launch your web browser, such as Internet Explorer or Mozilla Firefox and enter the Access Point’s default IP
address, 192.168.1.245, in the Address field. Press the Enter key.
Enter admin in the User Name field. The first time you open the Web-based Utility, use the default password,
admin. (You can set a new password from the Administration - Management tab.) Then click the OK button.
After setting up the Access Point to use DHCP or manually configure a new IP address, move your Access Point to
the desired network. You will have to use the new IP address the next time you access the Web-based Utility.
Navigating the Utility
The Web-based Utility consists of the following five main tabs: Setup, Wireless, Security Monitor, Administration,
and Status. Additional screens (sub tabs) will be available from most of the main tabs.
The following briefly describes the main & sub tabs of the Utility.
Figure 5-1: Login Screen
Setup
Enter the Host Name, IP Address settings, and set the time on this screen.
• Basic Setup. Configure the host name and IP address settings for this Access Point.
• Time. Set the time on this Access Point.
Wireless
You will use the Wireless tabs to enter a variety of wireless settings for the Access Point.
• Basic Wireless Settings. Choose the wireless network mode (e.g. Mixed), SSID, and radio channel on this
screen.
• Wireless Security. Use this screen to configure the Access Point’s security settings.
• Wireless Connection Control. Use this screen to control the wireless connections from client devices to this
Access Point.
Chapter 5: Setting Up the Wireless-G Access Point
Navigating the Utility
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
• Advanced Wireless Settings. Use this screen to configure the Access Point’s more advanced wireless
settings.
• VLAN & QoS. Use this screen to configure VLAN and QoS settings.
AP Mode
Use this screen to configure the Access Point mode. The three available modes are Access Point, Wireless
Repeater, and Wireless Bridge.
snmp: the standard network management protocol
on the Internet.
Security Monitor
• Basic Settings. Use this screen to configure the Access Point’s security monitor capabilities. You will be able
to monitor your wireless network through a client utility on administrator’s PC.
• Event Log. Use this screen to determine the events that should prompt notification and the notification
recipient settings.
firmware: the software image that runs on a
CPU inside a networking device.
Administration
You will use the Administration tabs to manage the Access Point.
• Management. This screen allows you to customize the password and Simple Network Management Protocol
(SNMP) settings.
• Log. Configure the Log settings for the Access Point on this screen.
• Factory Default. Use this screen to reset the Access Point to its factory default settings.
• Firmware Upgrade. Upgrade the Access Point’s firmware on this screen.
• Reboot. Use this screen to reboot the Access Point.
• Config Management. You can save the configuration file for the Access Point to your PC, as well as restore the
backup configuration file to the Access Point.
Chapter 5: Setting Up the Wireless-G Access Point
Navigating the Utility
14
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Status
You will be able to view status information for your local network, wireless networks, and network performance.
• Local Network. This screen displays system information, including software & hardware version, MAC
address, and IP address on the LAN side of the Access Point.
• Wireless. This screen displays wireless network settings including SSID, network mode, and wireless
channel.
• System Performance. This screen displays the current traffic statistics of this Access Point for both Wireless
and LAN ports.
Chapter 5: Setting Up the Wireless-G Access Point
Navigating the Utility
15
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Chapter 6: Configuring the Wireless-G Access Point
This chapter is a detailed reference guide for the Web-based Utility. You do not need the Utility to start using your
Access Point. The Access Point has been designed to be functional right out of the box with the default settings.
You also have the option to follow the instructions in “Setting Up the Wireless-G Access Point” on page 12 to
perform the most basic settings without reading through this chapter.
The Setup - Basic Setup Tab
The first screen that appears is the Setup screen. This allows you to change the Access Point's general settings.
Basic Setup
Enter names for the Access Point. The host name can be used to access the Web Utility through the network if
DNS has been set up. The device name is for the benefit of identifying your Access Point after you log in.
Host Name. This is the host name assigned to the Access Point. This host name will be published to your DNS
server if the Access Point is configured to acquire the IP address through DHCP. In that case, Linksys
recommends to follow the company policy on the host name assignment. The default name is Linksys.
Device Name. You may assign any device name to the Access Point. This name is only used by the Access Point
administrator for identification purposes. Unique, memorable names are helpful, especially if you are employing
multiple access points on the same network. The default name is WAP200.
Figure 6-1: Setup - Basic Setup
Network Setup
The selections under this heading allow you to configure the Access Point’s IP address setting(s).
IP Settings
Select Static IP Address (default) if you want to assign a static or fixed IP address to the Access Point and then
complete the following:
• Local IP Address. The IP address must be unique to your network. The default IP address is 192.168.1.245.
Chapter 6: Configuring the Wireless-G Access Point
The Setup - Basic Setup Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
• Subnet Mask. The Subnet Mask must be the same as that set on the LAN that your Access Point is connected
to. The default is 255.255.255.0.
• Default Gateway. Your ISP will provide you with the Default Gateway Address, which is the ISP server’s IP
address.
• Primary DNS (Required) and Secondary DNS (Optional). Your ISP will provide you with at least one DNS
(Domain Name System) Server IP Address.
Select Automatic Configuration - DHCP if you have a DHCP server enabled on the LAN that can assign an IP
address to the Access Point.
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
The Setup - Time Tab
This allows you to change the Access Point's time settings. The correct time setting can help the administrator to
search the system log to identify problems.
Time
You can set the time either manually or automatically from a time server if the Access Point can access the public
Internet.
Manually. Select this option to set the date and time manually. The default is to set the time manually.
Automatically. Select this option and time zone. The Access Point will contact the public time server to get the
current time.
User Defined NTP Server. Enable this option if you have set up local NTP server. Default is Disabled.
NTP Server IP. Enter the IP address of user defined NTP Server.
Figure 6-2: Setup - Time
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
Chapter 6: Configuring the Wireless-G Access Point
The Setup - Time Tab
17
Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Wireless - Basic Wireless Settings Tab
Change the basic wireless network settings on this screen. The Access Point can connect to up to four wireless
networks (SSIDs) at the same time, so this screen offers settings for up to four different SSIDs. Each SSID owns
its own MAC address on this Access Point.
Basic Settings
Configure the Wireless Network basic attributes for the entire system and for each SSID.
Wireless Network Mode. Select one of the following modes. The default is Mixed.
Disable: To disable wireless connectivity completely. This might be useful during system maintenance.
B-Only: All the wireless client devices can be connected to the Access Point at Wireless-B data rates with
maximum speed at 11Mbps.
Figure 6-3: Wireless - Basic Wireless Settings
G-Only: Wireless-G client devices can be connected at Wireless-G data rates with maximum speed at
54Mbps. Wireless-B clients cannot be connected in this mode.
Mixed: Both Wireless-B and Wireless-G client devices can be connected at their respective data rates.
Wireless-G devices can be connected at Wireless-G data rates.
Wireless Channel. Select the appropriate channel to be used among your Access Point and your client devices.
The default is channel 6. You can also select Auto so that your Access Point will select the channel with the
lowest amount of wireless interference while the system is powering up. Auto channel selection will start when
you click Save Settings button, it will take several seconds to scan through all the channels to find the best
channel.
SSID Name. The SSID is the unique name shared among all devices in a wireless network. It is case-sensitive,
must not exceed 32 alphanumeric characters, and may be any keyboard character. Make sure this setting is the
same for all devices in your wireless network. The default SSID name is linksys-g.
SSID Broadcast. This option allows the SSID to be broadcast on your network. You may want to enable this
function while configuring your network, but make sure that you disable it when you are finished. With this
enabled, someone could easily obtain the SSID information with site survey software or Windows XP and gain
unauthorized access to your network. Click Enabled to broadcast the SSID to all wireless devices in range. Click
Disabled to increase network security and prevent the SSID from being seen on networked PCs. The default is
Enabled in order to help users configure their network before use.
Chapter 6: Configuring the Wireless-G Access Point
The Wireless - Basic Wireless Settings Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
The Wireless - Wireless Security Tab
Change the Access Point’s wireless security settings on this screen.
Wireless Security
Select SSID. Select any of the SSID names configured on the Basic Wireless Settings tab.
Wireless Isolation (between SSID). Wireless Isolation prevents eavesdropping in the network. When it is
Enabled, wireless frames received on this Access Point will not be forwarded to other wireless networks (SSIDs).
For example, if you have a wireless hotspot, you may want to keep the wireless network (SSID) isolated from your
other wireless networks (SSIDs). This is a global option applying to all SSIDs. The default is Enabled.
The following options are specific for each SSID:
Security Mode. Select the wireless security mode you want to use, WEP, WPA-Personal, WPA2-Personal,
WPA2-Personal Mixed, WPA-Enterprise, WPA2-Enterprise, WPA2-Mixed, or RADIUS. (WPA stands for Wi-Fi
Protected Access, which is a security standard stronger than WEP encryption and forward compatible with IEEE
802.11i. WEP stands for Wired Equivalent Privacy, Enterprise modes use a RADIUS server for authentication, while
RADIUS stands for Remote Authentication Dial-In User Service.) Refer to the appropriate instructions below after
you select the Authentication Type and SSID Interoperability settings. For detailed instructions on configuring
wireless security for the Access Point, refer to “Appendix B: Wireless Security.” To disable wireless security
completely, select Disabled. The default is Disabled.
Figure 6-4: Wireless - Wireless Security (Disabled)
Wireless Isolation (within SSID). When disabled, wireless PCs that are associated to the same network name
(SSID), can see and transfer files between each other. By enabling this feature, Wireless PCs will not be able to
see each other. This feature is very useful when setting up a wireless hotspot location. The default is Disabled.
Following section describes the detailed options for each Security Mode.
WEP
This security mode is defined in the original IEEE 802.11. This mode is not recommended now due to its weak
security protection. Users are urged to migrate to WPA or WPA2.
Authentication Type. Choose the 802.11 authentication type as either Open System or Shared Key. The default
is Open System.
Chapter 6: Configuring the Wireless-G Access Point
The Wireless - Wireless Security Tab
Figure 6-5: Wireless - Wireless Security (WEP)
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
Default Transmit Key. Select the key to be used for data encryption.
WEP Encryption. Select a level of WEP encryption, 64 bits (10 hex digits) or 128 bits (26 hex digits).
Passphrase. If you want to generate WEP keys using a Passphrase, then enter the Passphrase in the field
provided and click the Generate key. Those auto-generated keys are not as strong as manual WEP keys.
Key 1-4. If you want to manually enter WEP keys, then complete the fields provided. Each WEP key can consist of
the letters “A” through “F” and the numbers “0” through “9”. It should be 10 characters in length for 64-bit
encryption or 26 characters in length for 128-bit encryption.
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
WPA-Personal (aka WPA-PSK)
WPA Algorithm. WPA offers you two encryption methods, TKIP and AES for data encryption. Select the type of
algorithm you want to use, TKIP or AES. The default is TKIP.
WPA Shared Key. Enter a WPA Shared Key of 8-63 characters.
Figure 6-6: Wireless - Wireless Security (WPA-Personal)
Key Renewal Timeout. Enter a Key Renewal Timeout period, which instructs the Access Point how often it
should change the encryption keys. The default is 3600 seconds.
WPA2-Personal
WPA Algorithm. WPA2 always uses AES for data encryption.
WPA Shared Key. Enter a WPA Shared Key of 8-63 characters.
Key Renewal Timeout. Enter a Key Renewal Timeout period, which instructs the Access Point how often it
should change the encryption keys. The default is 3600 seconds.
Figure 6-7: Wireless - Wireless Security (WPA2-Personal)
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The Wireless - Wireless Security Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
WPA2-Personal Mixed
This security mode supports the transition from WPA-Personal to WPA2-Personal. You can have client devices
that use either WPA-Personal or WPA2-Personal. The Access Point will automatically choose the encryption
algorithm used by each client device.
WPA Algorithm. Mixed Mode automatically chooses TKIP or AES for data encryption.
WPA Shared Key. Enter a WPA Shared Key of 8-63 characters.
Key Renewal Timeout. Enter a Key Renewal Timeout period, which instructs the Access Point how often it
should change the encryption keys. The default is 3600 seconds.
WPA-Enterprise
This option features WPA used in coordination with a RADIUS server for client authentication. (This should only
be used when a RADIUS server is connected to the Access Point.)
Figure 6-8: Wireless - Wireless Security (WPA2-Personal
Mixed)
RADIUS Server IP Address. Enter the RADIUS server’s IP address.
RADIUS Server Port. Enter the port number used by the RADIUS server. The default is 1812.
WPA Algorithm. WPA offers you two encryption methods, TKIP and AES for data encryption. Select the type of
algorithm you want to use, TKIP or AES. The default is TKIP.
Shared Secret. Enter the Shared Secret key used by the Access Point and RADIUS server.
Key Renewal Timeout. Enter a Key Renewal Timeout period, which instructs the Access Point how often it
should change the encryption keys. The default is 3600 seconds.
Figure 6-9: Wireless - Wireless Security (WPA-Enterprise)
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The Wireless - Wireless Security Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
WPA2-Enterprise
This option features WPA2 used in coordination with a RADIUS server for client authentication. (This should only
be used when a RADIUS server is connected to the Access Point.)
RADIUS Server IP Address. Enter the RADIUS server’s IP address.
RADIUS Server Port. Enter the port number used by the RADIUS server. The default is 1812.
WPA Algorithm. WPA2 always uses AES for data encryption.
Shared Secret. Enter the Shared Secret key used by the Access Point and RADIUS server.
Key Renewal Timeout. Enter a Key Renewal Timeout period, which instructs the Access Point how often it
should change the encryption keys. The default is 3600 seconds.
WPA2-Enterprise Mixed
Figure 6-10: Wireless - Wireless Security (WPA2Enterprise)
This security mode supports the transition from WPA-Enterprise to WPA2-Enterprise. You can have client devices
that use either WPA-Enterprise or WPA2-Enterprise. The Access Point will automatically choose the encryption
algorithm used by each client device.
RADIUS Server IP Address. Enter the RADIUS server’s IP address.
RADIUS Server Port. Enter the port number used by the RADIUS server. The default is 1812.
WPA Algorithm. Mixed Mode automatically chooses TKIP or AES for data encryption.
Shared Secret. Enter the Shared Secret key used by the Access Point and RADIUS server.
Key Renewal Timeout. Enter a Key Renewal Timeout period, which instructs the Access Point how often it
should change the encryption keys. The default is 3600 seconds.
Figure 6-11: Wireless - Wireless Security (WPA2 Enterprise Mixed)
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The Wireless - Wireless Security Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
RADIUS
This security mode is also known as Dynamic WEP with IEEE 802.1X. A RADIUS server is used for client
authentication and WEP is used for data encryption. The WEP key is automatically generated by the RADIUS
server. Manual WEP key is no longer supported to ensure compatibility with Microsoft’s Windows
implementation.
RADIUS Server IP Address. Enter the RADIUS server’s IP address.
RADIUS Server Port. Enter the port number used by the RADIUS server. The default is 1812.
Shared Secret. Enter the Shared Secret key used by the Access Point and RADIUS server.
Disable
There is no option to be configured for this mode.
When you have finished making changes to the screen, click the Save Settings button to save the changes, or
click the Cancel Changes button to undo your changes. Help information is available on the right side of the
screen.
Chapter 6: Configuring the Wireless-G Access Point
The Wireless - Wireless Security Tab
Figure 6-12: Wireless - Wireless Security (RADIUS)
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Wireless - Wireless Connection Control Tab
This screen allows you to configure the Connection Control List to either permit or block specific wireless client
devices connecting to (associating with) the Access Point.
Wireless Connection Control
Select SSID. Select the SSID of the wireless network that you want to use wireless connection control on.
Enabled/Disabled. Enable or disable wireless connection control. The default is disabled.
Connection Control
Allow only following MAC addresses to connect to wireless network. When this option is selected, only
devices with a MAC address specified in the Connection Control List can connect to the Access Point.
Prevent following MAC addresses from connecting to wireless network. When this option is selected,
devices with a MAC address specified in the Connection Control List will not be allowed to connect to the Access
Point.
Figure 6-13: Wireless - Wireless Connection Control
Wireless Client List
Instead of manually entering the MAC addresses of each client, the Access Point provides a convenient way to
select a specific client device from the client association table. Click this button and a window appears to let you
select a MAC address from the table. The selected MAC address will be entered into the Connection Control List.
Connection Control List
MAC 01-16. Enter the MAC addresses of the wireless client devices you want to control.
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
Chapter 6: Configuring the Wireless-G Access Point
The Wireless - Wireless Connection Control Tab
Figure 6-14: Select MAC Address from Wireless Client List
24
Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Wireless - Advanced Wireless Settings Tab
This screen allows you to configure the advanced settings for the Access Point. Linksys recommends to let your
Access Point automatically adjust the parameters for maximum data throughput.
Advanced Settings
CTS Protection Mode. CTS (Clear-To-Send) Protection Mode function boosts the Access Point’s ability to catch
all wireless transmissions, but will severely decrease performance. Keep the default setting, Auto, so the Access
Point can use this feature as needed, when the Wireless-G products are not able to transmit to the Access Point
in an environment with heavy 802.11b traffic. Select Disabled if you want to permanently disable this feature.
BSSBasicRateSet. This setting is a series of rates that are advertised to other wireless devices as defined in
IEEE 802.11 specifications, so they know which data rates the Access Point can support. One of the rates is
picked from the list for transmitting control frames, broadcast/multicast frames, or ACK frames. To support both
802.11b & 802.11g devices, use the Default (Mixed mode) setting so that frames can be decoded by all devices.
To support 802.11g devices only, use the All (G-only mode) setting to achieve higher frame rates. For regular data
frames, the transmission rate is configured through the Tx Rate Limiting on the Wireless - VLAN & QoS tab.
Figure 6-15: Wireless - Advanced Wireless
Power Output.
Select the level you need for your environment. If you are not sure of which setting to choose,
then keep the default setting, 100%.
Beacon Interval. This value indicates the frequency interval of the beacon. A beacon is a packet broadcast by
the Access Point to keep the network synchronized. A beacon includes the wireless networks service area, the
Access Point address, the Broadcast destination addresses, a time stamp, Delivery Traffic Indicator Maps, and
the Traffic Indicator Message (TIM). The default is 100 ms.
DTIM Interval. This value indicates how often the Access Point sends out a Delivery Traffic Indication Message
(DTIM). Lower settings result in more efficient networking, while preventing your PC from dropping into
power-saving sleep mode. Higher settings allow your PC to enter sleep mode, thus saving power, but interferes
with wireless transmissions. The default is 1 ms.
RTS Threshold. This setting determines how large a packet can be before the Access Point coordinates
transmission and reception to ensure efficient communication. This value should remain at its default setting of
2347. If you encounter inconsistent data flow, only minor modifications are recommended.
Chapter 6: Configuring the Wireless-G Access Point
The Wireless - Advanced Wireless Settings Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
Fragmentation Threshold. This specifies the maximum size a data packet can be before splitting and creating a
new packet. It should remain at its default setting of 2346. A smaller setting means smaller packets, which will
create more packets for each transmission. If you experience high packet error rates, you can decrease this
value, but it will likely decrease overall network performance. Only minor modifications of this value are
recommended.
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
The Wireless - VLAN & QoS Tab
This screen allows you to configure the VLAN and QoS related settings for the Access Point.
VLAN
Figure 6-16: Wireless - VLAN & QoS
The following options are global VLAN settings for the Access Point.
VLAN. Select Enabled if you want to pass 802.1q VLAN tagged traffic between the wired LAN and wireless LAN.
Your Access Point will map the VLAN tag (wired side) to different SSIDs (wireless side) according to your specified
settings. Select Disabled and your Access Point will drop all tagged traffic coming in from the wired LAN. The
default is Disabled.
Default VLAN ID. Enter the VLAN ID number, the default VLAN is 1.
VLAN Tag. Untagged is the default and should be used if the VLAN ID does not carry a tag. Otherwise, select the
Tagged option.
AP Management VLAN. When the VLAN option is enabled, the value entered (VLAN ID) in this field defines the
VLAN that can connect to the Access Point's web-based utility. The default setting is VLAN 1.
QoS
The following options are VLAN global settings for the Access Point.
Default CoS (Priority). Select Enabled if you want to assign a default CoS value to each SSID. This option is
automatically enabled when the VLAN option is enabled. The default is Disabled.
U-APSD (Unscheduled Automatic Power Save Delivery). This option is only available when WMM is enabled
on any of the SSIDs. Select Enabled if you want client devices with U-APSD capability to take advantage of the
power save mode. The default is Disabled.
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The Wireless - VLAN & QoS Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
SSID Name. Displays the SSIDs defined under the Basic Wireless Settings tab. If an SSID has been disabled, the
options cannot be configured.
VLAN ID. Select a number between 1 and 4094 to identify the VLAN. Multiple SSIDs can share the same VLAN
value.
Priority. You can assign the default priority (802.1p COS bits) for packets coming in from each wireless network
by selecting a number from the drop-down menu. The higher the number, the higher the priority will be. The
default is 0.
Tx Rate Limiting. You can limit the maximum data rate used in your network to save bandwidth and power
consumption on client devices. The actual data rate is determined by the Auto-Fallback mechanism between your
Access Point and a client device. The default is 54 Mbps for Mixed or G-Only wireless mode, 11 Mbps for B-Only
mode.
WMM. Wi-Fi Multimedia is a QoS feature defined by the WiFi Alliance before IEEE 802.11e was finalized. Now it is
part of IEEE 802.11e. When this is enabled, it provides four priority queues for different types of traffic. It
automatically maps the incoming packets to the appropriate queues based on QoS settings (in the IP or layer 2
header). WMM provides the capability to prioritize wireless traffic in your environment. The default is Disabled
(unchecked).
The AP Mode Tab
On this screen you can change the Access Point’s mode of operation. In most cases, you can keep the default
setting - Access Point. You may wish to change the Access Point’s mode of operation if you want to use the
Access Point as a wireless repeater to extend the range of your wireless network. You may also wish to change
the Access Point’s mode of operation if you want to use the Access Point as a wireless bridge; for example, you
can use two Access Points in Wireless Bridge mode to connect two wired networks that are in two different
buildings.
IMPORTANT: For the AP Client and Wireless Bridge modes, the remote access point must be a
second Linksys Wireless-G Access Point. For the Wireless Repeater mode, the remote wireless
bridge must be a second Linksys Wireless-G Access Point or Wireless-G Router.
AP Mode
The Access Point offers three modes of operation: Access Point, Wireless Repeater, and Wireless Bridge. For the
Repeater and Bridge modes, make sure the SSID, channel, and security settings are the same for the 0ther
wireless access points/devices.
Figure 6-17: AP Mode
Chapter 6: Configuring the Wireless-G Access Point
The AP Mode Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
MAC Address
The MAC address of the Access Point is displayed here.
Access Point. The Mode is set to Access Point by default. This connects your wireless PCs to a wired network. In
most cases, no change is necessary.
Allow wireless signal to be repeated by a repeater. Select this option if you want to use another wireless
device to repeat the signal of this Access Point. You will need to enter the MAC address(es) of the repeating
device(s). Up to 3 repeaters can be used.
Wireless Repeater. When set to Wireless Repeater mode, the Wireless Repeater is able to talk to up a remote
access point within its range and retransmit its signal. Click Site Survey to select the access point that will have
its signal repeated by this Access Point or enter the MAC address of the access point manually.
Desktop
Laptop
Internet
Modem
Desktop
Switch
Laptop
Access Point
WAP200
(Wireless Repeater mode)
Wired LAN
Figure 6-18: Wireless Repeater Mode
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The AP Mode Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
Wireless Bridge. This mode connects physically separated wired networks using multiple access points.
Wireless clients will not be able to connect to the access point in this mode. Enter the MAC address(es) of the
access point(s) that will bridge to this access point.
IMPORTANT: In Wireless Bridge mode, the Access Point can ONLY be accessed by another access
point set to Wireless Bridge mode. In order for your other wireless devices to connect to the
Access Point, you must reset it to Access Point mode. The two modes are mutually exclusive.
Switch
Wired LAN
Access Point
(Wireless
Bridge Mode)
Access Point
(Wireless
Bridge Mode)
Switch
Wired LAN
WAP200 (Wireless Bridge mode)
Switch
Wired LAN
Access Point
(Wireless
Bridge Mode)
Access Point
(Wireless
Bridge Mode)
Switch
Wired LAN
Figure 6-19: Wireless Bridge Mode
Chapter 6: Configuring the Wireless-G Access Point
The AP Mode Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Security Monitor - Basic Settings Tab
On this screen you can enable or disable the security monitor feature of this Wireless Access Point. It also allows
you to create user accounts for system administrators to use this advanced feature.
This feature works together with Linksys Business Series wireless client adapters. A client utility will be provided
with the client card, which will allow you to download information from the Access Point. The current version will
support wireless Access Points and wireless clients detection and classification. Please check Linksys.com for
future updates on this powerful security feature.
Wireless Security Monitor
Enabled/Disabled. You can enable or disable the security monitor feature here. When it is enabled, the Access
Point will work with selected wireless PCs to monitor your wireless network. If you don’t plan to use the client
utility to actively monitor your network, you can disable this feature to improve your wireless network
performance. The default is Disabled.
Figure 6-20: Security Monitor - Basic Settings
Security Monitor Accounts
The section allows the system administrator to create accounts for the purpose of wireless security monitoring.
You can create one account at a time. The administrator will be able to use his client utility to log in and get
authenticated to the system after user accounts are created.
User Name. Enter the user name of this account.
Password. Enter the password of this account.
Re-enter to confirm. Enter the password a second time to re-confirm it.
Identify. You can create either an Administrator or User account by making the selection here. You can create one
Administrator account and five User accounts.
Click the Add/Save button to create an account. The accounts that are created will display in the table.
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
Chapter 6: Configuring the Wireless-G Access Point
The Security Monitor - Basic Settings Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Security Monitor - Event Log Tab
Configure the event logging options for security monitor.
E-mail Notification
Recipient To. Enter the e-mail address that the alarm notifications should be sent to.
Alarm Type. Select the type of intrusions that should require an e-mail notification.
• Rogue AP Detected. Indicates a rogue access point has been detected.
• AP SSID Changed. Indicates the Access Point’s SSID has been changed.
• Spoofed MAC Address. Indicates another device is using the AP’s MAC address to send out packets.
• Client is Sending Spurious Traffic. Indicates an unassociated client is sending out frames to the AP.
Figure 6-21: Security Monitor - Event Log
• Adhoc SSID same as AP. Indicates an Adhoc network uses the same SSID as the AP.
SYSLOG Notification
Logviewer IP Address. Enter the IP address of the system that will store the system log.
Alarm Type. Select the type of intrusions that should require an e-mail notification.
• Rogue AP Detected. Indicates a rogue access point has been detected.
• AP SSID Changed. Indicates the Access Point’s SSID has been changed.
• Spoofed MAC Address. Indicates another device is using the AP’s MAC address to send out packets.
• Client is Sending Spurious Traffic. Indicates an unassociated client is sending out frames to the AP.
• Adhoc SSID same as AP. Indicates an Adhoc network uses the same SSID as the AP.
Security Monitor Server
This is a special Syslog server that can record all security monitor events instead of selected events.
Server IP Address. Enter the IP address of the server.
Chapter 6: Configuring the Wireless-G Access Point
The Security Monitor - Event Log Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Administration - Management Tab
On this screen you can configure the password, Web Access, and SNMP settings.
Management
You should change the username/password that controls access to the Access Point’s Web-based Utility to
prevent unauthorized access.
Local AP Password
User Name. Modify the administrator user name. The default is admin.
AP Password. Modify the administrator password for the Access Point’s Web-based Utility. The default is admin.
Re-enter to confirm. To confirm the new password, enter it again in this field.
Figure 6-22: Administration - Management
Web Access
To increase the security on accessing the Web-based Utility, you can enable HTTPS. Once enabled, users need to
use https:// when accessing the Web-based Utility.
Web HTTPS Access. The default is Disabled.
Wireless Web Access. Allow or deny wireless clients to access Web based Utility. The default is Disabled.
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SNMP
SNMP is a popular network monitoring and management protocol. It provides network administrators with the
ability to monitor the status of the Access Point and receive notification of any critical events as they occur on the
Access Point.
To enable the SNMP support feature, select Enabled. Otherwise, select Disabled. The default is Disabled.
This Access Point supports SNMP version 1, 2, and 3. Select SNMP V1 & V2 if you don’t need the enhanced
capability on V3 or your management software does not support V3. Otherwise, select SNMP V3.
Identification
Contact. Enter the name of the contact person, such as a network administrator, for the Access Point.
Device Name. Enter the name you wish to give to the Access Point.
Location. Enter the location of the Access Point.
User Name. SNMPv3 only. Create a administrator account to access and manage the SNMP MIB objects.
Password. SNMPv3 only. Enter the authentication password for administrator account (minimum length 8).
Passphrase. SNMPv3 only. Enter the passphrase for data encryption on administrator’s management traffic.
Get Community. Enter the password that allows read-only access to the Access Point’s SNMP information. The
default is public.
Set Community. Enter the password that allows read/write access to the Access Point’s SNMP information. The
default is private.
SNMP Trap-Community. Enter the password required by the remote host computer that will receive trap
messages or notices sent by the Access Point.
SNMP Trusted Host. You can restrict access to the Access Point’s SNMP information by IP address. Enter the IP
address in the field provided. If this field is left blank, then access is permitted from any IP address.
SNMP Trap-Destination. Enter the IP address of the remote host computer that will receive the trap messages.
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Administration - Log Tab
On this screen you can configure the log settings and alerts of particular events.
Log
You can have logs that keep track of the Access Point’s activities.
Email Alert
E-Mail Alert. If you want the Access Point to send e-mail alerts in the event of certain attacks, select Enabled.
The default is Disabled.
E-Mail Address for Logs. Enter the e-mail address that will receive logs.
Figure 6-23: Administration - Log
Notification Queue Length
Log Queue Length. You can designate the length of the log that will be e-mailed to you. The default is 20 entries.
Log Time Threshold. You can designate how often the log will be emailed to you. The default is 600 seconds (10
minutes).
Syslog Notification
Syslog is a standard protocol used to capture information about network activity. The Access Point supports this
protocol and sends its activity logs to an external server. To enable Syslog, select Enabled. The default is
Disabled.
Syslog Server IP Address. Enter the IP address of the Syslog server. In addition to the standard event log, the
Access Point can send a detailed log to an external Syslog server. The Access Point’s Syslog captures all log
activities and includes this information about all data transmissions: every connection source and destination IP
address, IP server, and number of bytes transferred.
Log
Select the events that you want the Access Point to keep a log.
Unauthorized Login Attempt. If you want to receive alert logs about any unauthorized login attempts, click the
checkbox.
Authorized Login. If you want to log authorized logins, click the checkbox.
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The Administration - Log Tab
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
System Error Messages. If you want to log system error messages, click the checkbox.
Configuration Changes. If you want to log any configuration changes, click the checkbox.
Change these settings as described here and click Save Settings to apply your changes, or click Cancel
Changes to cancel your changes. Help information is available on the right side of the screen.
The Administration - Factory Default Tab
On this screen you can restore the Access Point’s factory default settings.
Factory Default
Note any custom settings before you restore the factory defaults. Once the Access Point is reset, you will have to
re-enter all of your configuration settings.
Restore Factory Defaults. To restore the Access Point's factory default settings, click the Yes radio button.
Then, click Save Settings. Your Access Point will reboot and come back up with the factory default settings in a
few seconds.
Click Save Settings to apply your change, or click Cancel Changes to cancel your change. Help information is
available on the right side of the screen.
Figure 6-24: Administration - Factory Default
The Administration - Firmware Upgrade Tab
On this screen you can upgrade the Access Point’s firmware. Do not upgrade the firmware unless you are
experiencing problems with the Access Point or the new firmware has a feature you want to use.
Firmware Upgrade
Before you upgrade the Access Point’s firmware, note all of your custom settings. After you upgrade its firmware,
you will have to re-enter all of your configuration settings. To upgrade the Access Point’s firmware:
1. Download the firmware upgrade file from the Linksys website, www.linksys.com.
2. Extract the firmware upgrade file on your computer.
Figure 6-25: Administration - Firmware Upgrade
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Wireless-G Access Point with Power Over Ethernet and Rangebooster
3. On the Firmware Upgrade screen, enter the location of the firmware upgrade file in the field provided, or click
the Browse button to find the file.
4. Click the Upgrade button, and follow the on-screen instructions.
Help information is available on the right side of the screen.
The Administration - Reboot Tab
On this screen you can reboot the Access Point.
Reboot
This feature is useful when you need to remotely reboot the Access Point.
Device Reboot. To reboot the Access Point, click the Yes radio button.
Figure 6-26: Administration - Reboot
Click Save Settings to apply your change and the Access Point will reboot itself, or click Cancel Changes to
cancel your change. Help information is available on the right side of the screen.
The Administration - Config Management Tab
On this screen you can create a backup configuration file or save a configuration file to the Access Point.
Config Management
Use this screen to upload or download configuration files for the Access Point.
Save Configuration. To save a backup configuration file on a computer, click the Save Configuration to File
button and follow the on-screen instructions.
Restore Configuration. To upload a configuration file to the Access Point, enter the location of the configuration
file in the field provided, or click the Browse button to find the file. Then click the Load button.
Help information is available on the right side of the screen.
Chapter 6: Configuring the Wireless-G Access Point
The Administration - Reboot Tab
Figure 6-27: Administration - Config Management
36
Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Status - Local Network Tab
The Local Network screen displays the Access Point’s current status information for the local network.
Information
Hardware Version. This is the version of the Access Point’s current hardware.
Software Version. This is the version of the Access Point’s current software.
Local MAC Address. The MAC address of the Access Point’s Local Area Network (LAN) interface is displayed
here.
System Up Time. This is the length of time the Access Point has been running.
Figure 6-28: Status - Local Network
Local Network
IP Address. This shows the Access Point’s IP Address, as it appears on your local network.
Subnet Mask. This shows the Access Point’s Subnet Mask.
To update the status information, click the Refresh button. Help information is available on the right side of the
screen.
Chapter 6: Configuring the Wireless-G Access Point
The Status - Local Network Tab
37
Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Status - Wireless Tab
The Wireless screen displays the Access Point’s current status information for the wireless network(s).
Wireless Network
MAC Address. The MAC Address of the Access Point’s wireless interface is displayed here.
Mode. The Access Point’s wireless network mode is displayed here.
SSID 1-4. The Access Point’s SSIDs that have been configured are displayed here.
Channel. The Access Point’s Channel setting for the SSID is shown here.
VLAN Trunk. The VLAN Trunk Status is displayed here.
Figure 6-29: Status - Wireless
Priority Setting. The priority setting status is displayed here.
To update the status information, click the Refresh button. Help information is available on the right side of the
screen.
Chapter 6: Configuring the Wireless-G Access Point
The Status - Wireless Tab
38
Wireless-G Access Point with Power Over Ethernet and Rangebooster
The Status - System Performance Tab
The System Performance screen displays the Access Point’s status information for its current settings and data
transmissions.
System Performance
Wired
Name. This indicates that the statistics are for the wired network, the LAN.
IP Address. The Access Point’s local IP address is displayed here.
MAC Address. This shows the MAC Address of the Access Point’s wired interface.
Connection. This shows the status of the Access Point’s connection for the wired network.
Packets Received. This shows the number of packets received.
Packets Sent. This shows the number of packets sent.
Bytes Received. This shows the number of bytes received.
Bytes Sent. This shows the number of bytes sent.
Error Packets Received. This shows the number of error packets received.
Drop Received Packets. This shows the number of packets being dropped after they were received.
Wireless
Name. This indicates the wireless network/SSID to which the statistics refer.
IP Address. The Access Point’s local IP address is displayed here.
MAC Address. This shows the MAC Address of the Access Point’s wireless interface.
Connection. This shows the status of the Access Point’s wireless networks.
Packets Received. This shows the number of packets received for each wireless network.
Figure 6-30: Status - System Performance
Packets Sent. This shows the number of packets sent for each wireless network.
Chapter 6: Configuring the Wireless-G Access Point
The Status - System Performance Tab
39
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix A: Troubleshooting
This appendix provides solutions to problems that may occur during the installation and operation of the
Wireless-G Access Point with Power Over Ethernet. Read the descriptions below to help solve your problems. If
you can't find an answer here, check the Linksys website at www.linksys.com.
Frequently Asked Questions
Can the Access Point act as my DHCP Server?
No. The Access Point is nothing more than a wireless hub, and as such cannot be configured to handle DHCP
capabilities.
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 documentation 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 (local area network). Refer to the game’s
documentation for more information.
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.
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.
What IEEE 802.11b features are supported?
The product supports the following IEEE 802.11 functions:
• CSMA/CA plus Acknowledge protocol
• Multi-Channel Roaming
• Automatic Rate Selection
• RTS/CTS feature
• Fragmentation
• Power Management
Appendix A: Troubleshooting
Frequently Asked Questions
40
Wireless-G Access Point with Power Over Ethernet and Rangebooster
What IEEE 802.11g features are supported?
The product supports the following IEEE 802.11g functions:
• CSMA/CA plus Acknowledge protocol
• OFDM protocol
• Multi-Channel Roaming
• Automatic Rate Selection
• RTS/CTS feature
• Fragmentation
• Power Management
What is Ad-hoc?
An Ad-hoc wireless LAN is a group of computers, each with a WLAN adapter, connected as an independent
wireless LAN. An Ad-hoc wireless LAN is applicable at a departmental scale for a branch or SOHO operation.
What is Infrastructure?
An integrated wireless and wired LAN is called an Infrastructure configuration. Infrastructure is applicable to
enterprise scale for wireless access to a central database, or wireless application for mobile workers.
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 Access Point. Before using the roaming function, the workstation
must make sure that it is set to the same channel number as the 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 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 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 Access
Point and the distance of each Access Point to the wired backbone. Based on that information, the node next
selects the right 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 Access Point or whether it should seek a new one. When a node no longer receives
acknowledgment from its original Access Point, it undertakes a new search. Upon finding a new Access Point, it
then re-registers, and the communication process continues.
Appendix A: Troubleshooting
Frequently Asked Questions
41
Wireless-G Access Point with Power Over Ethernet and Rangebooster
What is the 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?
WLAN features 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, the WLAN series offers a
variety of wireless security methods to enhance security and access control. Users can set it up depending upon
their needs.
Can Linksys wireless products support file and printer sharing?
Linksys wireless products perform the same function as LAN products. Therefore, Linksys wireless products can
work with NetWare, Windows NT/2000, or other LAN operating systems to support printer or file sharing.
What is WEP?
WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 40-bit shared-key algorithm, as described
in the IEEE 802.11 standard.
Appendix A: Troubleshooting
Frequently Asked Questions
42
Wireless-G Access Point with Power Over Ethernet and Rangebooster
What is a MAC Address?
The Media Access Control (MAC) address is a unique number assigned by the manufacturer to any Ethernet
networking device, such as a network adapter, that allows the network to identify it at the hardware level. For all
practical purposes, this number is usually permanent. Unlike IP addresses, which can change every time a
computer logs on to the network, the MAC address of a device stays the same, making it a valuable identifier for
the network.
How do I avoid interference?
Using multiple Access Points on the same channel and in close proximity to one another will generate
interference. When employing multiple Access Points, make sure to operate each one on a different channel
(frequency).
How do I reset the Access Point?
Press the Reset button on the back of the Access Point for about ten seconds. This will reset the unit to its default
settings.
How do I resolve issues with signal loss?
There is no way to know the exact range of your wireless network without testing. Every obstacle placed between
an Access Point and wireless PC will create signal loss. Leaded glass, metal, concrete floors, water, and walls
will inhibit the signal and reduce range. Start with your Access Point and your wireless PC in the same room and
move it away in small increments to determine the maximum range in your environment.
You may also try using different channels, as this may eliminate interference affecting only one channel. Also,
open the Access Point’s Web-based Utility. Click the Wireless tab and then the Advanced Wireless tab. Make
sure the Output Power is set to 100%.
Does the Access Point function as a firewall?
No. The Access Point is only a bridge from wired Ethernet to wireless clients.
I have excellent signal strength, but I cannot see my network.
Wireless security, such as WEP or WPA, is probably enabled on the Access Point, but not on your wireless adapter
(or vice versa). Verify that the same wireless security settings are being used on all devices in your wireless
network.
What is the maximum number of users the Access Point can handle?
No more than 63, but this depends on the volume of data and may be fewer if many users create a large amount
of network traffic.
Appendix A: Troubleshooting
Frequently Asked Questions
43
Wireless-G Access Point with Power Over Ethernet and Rangebooster
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 (as shown in this User Guide) (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.
5. Change the SSID periodically.
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.
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.
To ensure network security, steps one through five should be followed, at least.
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
44
Wireless-G Access Point with Power Over Ethernet and Rangebooster
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. Change your WEP key regularly
WPA. Wi-Fi Protected Access (WPA) is the replacement standard for WEP in Wi-Fi security. Two modes are
available: Personal, and Enterprise. Both give you a choice of two encryption methods: TKIP (Temporal Key
Integrity Protocol), which utilizes a stronger encryption method and incorporates Message Integrity Code (MIC) to
provide protection against hackers, and AES (Advanced Encryption System), which utilizes a symmetric 128-Bit
block data encryption. Enterprise utilizes a RADIUS server for authentication and the use of dynamic TKIP, AES, or
WEP.
Appendix B: Wireless Security
Security Threats Facing Wireless Networks
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.
45
Wireless-G Access Point with Power Over Ethernet and Rangebooster
WPA Personal. If you do not have a RADIUS server, select the type of algorithm, TKIP or AES, enter a
password in the Pre-Shared key field of 8-63 characters, and enter a Group Key Renewal period time between
0 and 99,999 seconds, which instructs the AP or other device how often it should change the encryption keys.
WPA Enterprise. WPA used in coordination with a RADIUS server. (This should only be used when a RADIUS
server is connected to the AP or other device.) First, select the type of WPA algorithm, TKIP or AES. Enter the
RADIUS server’s IP Address and port number, along with a key shared between the device and the server.
Last, enter a Group Key Renewal period, which instructs the device how often it should change the encryption
keys.
WPA2. Wi-Fi Protected Access 2 (WPA2) is the latest security standard in Wi-Fi security. Two modes are available:
Personal and Enterprise. WPA2 always uses AES (Advanced Encryption System) for stronger data encryption.
WPA2 Personal. If you do not have a RADIUS server, enter a password in the Pre-Shared key field of 8-63
characters, and enter a Group Key Renewal period time between 0 and 99,999 seconds, which instructs the
AP or other device how often it should change the encryption keys.
WPA2 Enterprise. WPA2 used in coordination with a RADIUS server. (This should only be used when a
RADIUS server is connected to the AP 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, enter a Group Key Renewal period,
which instructs the device how often it should change the encryption keys.
WPA2 Mixed. WPA2 Mixed modes provide users an upgrade path from WPA to WPA2. You can have client devices
running both WPA and WPA2 and the Access Point will automatically select the security method used by the
client.
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
46
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix C: Upgrading Firmware
The Access Point's firmware is upgraded through the Web-based Utility’s Administration - Firmware Upgrade tab.
Follow these instructions:
1. Download the firmware upgrade file from the Linksys website, www.linksys.com.
2. Extract the firmware upgrade file on your computer.
3. Open the Access Point’s Web-based Utility.
4. Click the Administration tab.
5. Click the Upgrade Firmware tab.
6. On the Firmware Upgrade screen, enter the location of the firmware upgrade file in the field provided, or click
the Browse button to find the file.
Figure C-1: Firmware Upgrade
7. Click the Upgrade button, and follow the on-screen instructions.
Appendix C: Upgrading Firmware
47
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix D: Windows Help
Almost all 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 Access Point, 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
48
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix E: Glossary
This glossary contains some basic networking terms you may come across when using this product. For more
advanced terms, see the complete Linksys glossary at http://www.linksys.com/glossary.
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.
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 security method that uses symmetric 128-bit block data encryption.
Bandwidth - The transmission capacity of a given device or network.
Bit - A binary digit.
Boot - To start a device and cause it to start executing instructions.
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.
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.
Daisy Chain - A method used to connect devices in a series, one after the other.
DDNS (Dynamic Domain Name System) - Allows the hosting of a website, FTP server, or e-mail server with a
fixed domain name (e.g., www.xyz.com) and a dynamic IP address.
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.
Appendix E: Glossary
49
Wireless-G Access Point with Power Over Ethernet and Rangebooster
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.
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.
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.
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.
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.
HTTP (HyperText Transport Protocol) - The communications protocol used to connect to servers on the World
Wide Web.
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.
Appendix E: Glossary
50
Wireless-G Access Point with Power Over Ethernet and Rangebooster
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.
ISP (Internet Service Provider) - A company that provides access to the Internet.
LAN - The computers and networking products that make up your local network.
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.
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.
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.
RADIUS (Remote Authentication Dial-In User Service) - A protocol that uses an authentication server to control
network access.
Appendix E: Glossary
51
Wireless-G Access Point with Power Over Ethernet and Rangebooster
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.
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.
SPI (Stateful Packet Inspection) Firewall - A technology that inspects incoming packets of information before
allowing them to enter the network.
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.
Appendix E: Glossary
52
Wireless-G Access Point with Power Over Ethernet and Rangebooster
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.
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.
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
53
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix F: Specifications
Model
WAP200
Standards
IEEE802.11g, IEEE802.11b, IEEE802.3, IEEE802.3u,
IEEE802.3af (Power Over Ethernet), 802.1p (QoS priority),
802.1q (VLAN), 802.1X (Security Authentication),
802.11i - Ready (Security WPA2), 802.11e - Ready (Wireless QoS),
802.11F (Wireless Roaming)
Ports
10/100 Base-T Ethernet, 12 VDC Power
Buttons
Reset
Cabling Type
UTP CAT 5
LEDs
Power, POE, Wireless, Ethernet
Operating System
Linux
Setup/Config
WebUI
Built in Web UI for Easy browser-based configuration (HTTP/HTTPS)
Management
SNMP Version
SNMP Version 1, 2c, 3
Event Logging
E-mail Notification
Remote Syslog
Web F/W upgrade
Firmware Upgradeable Through Web-Browser
Diags: Flash, etc.
Diags: Flash, RAM, LAN, WLAN
Appendix F: Specifications
54
Wireless-G Access Point with Power Over Ethernet and Rangebooster
DHCP
DHCP Client
Operating Modes
Access Point
Access Point Mode, point-to-point Bridge Mode,
point-to-multipoint Bridge Mode, Repeater Mode
Wireless
Spec/Modulation
Radio and Modulation Type: 802.11b/DSSS, 11g/OFDM
Channels
Operating Channels: 11 North America,
13 Most of Europe (ETSI and Japan)
# of Internal Ant.
None
# of External Ant.
2 (Omni-Directional) R-SMA detachable
Transmit Power
Transmit Power @ Normal Temp Range: 11b - 16 dBm;
11g - 18 dBm
Antenna Gain in dBi
1.8 dBi
Receiver Sensitivity
11.g: 54Mbps@ -72dBm, 11.b: 11Mbps@ -85dBM
Security
WEP/WPA/WPA2
WEP 64bit/128bit, WPA-PSK, WPA2-PSK, WPA-ENT, WPA2-ENT
Access Control
Wireless Connection Control: MAC-Based
SSID Broadcast
SSID Broadcast Enable/Disable
802.1X
IEEE 802.1X support
Appendix F: Specifications
55
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Wireless Security
Monitor
Scan and Classify wireless devices in the network.
Reports new clients and APs joining the network and
suspicious network events.
(working together with 200 Business series client cards)
Quality of Service
QoS
4 queues
WMM Wireless priority
General
Wireless roaming based on IAPP
Load Balancing
Auto-channel selection
Device Dimensions
6.69" x 8.07" x 7.68" (170 x 205 x 195mm)
Weight
0.88 lb (0.4 kg)
Power
12V 1A DC input, and IEEE802.3af Compliant PoE
Certification
FCC, ICES-003, CE
Operating Temp.
32 to 104ºF (0 to 40ºC)
Storage Temp.
-20 to 70ºC (-4 to 158ºC)
Operating Humidity
10 to 85% Non-Condensing
Storage Humidity
5 to 90% Non-Condensing
Appendix F: Specifications
56
Wireless-G Access Point with Power Over Ethernet and Rangebooster
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.
57
Appendix G: Warranty Information
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix H: Regulatory Information
FCC Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) this device must accept any interference received, including interference that
may cause undesired operation.
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 Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate this equipment.
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.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
The availability of some specific channels and/or operational frequency bands are country dependent and are firmware
programmed at the factory to match the intended destination. The firmware setting is not accessible by the end user.
Safety Notices
Caution: To reduce the risk of fire, use only No.26 AWG or larger telecommunication line cord.
Do not use this product near water, for example, in a wet basement or near a swimming pool.
Avoid using this product during an electrical storm. There may be a remote risk of electric shock from lightning.
Appendix H: Regulatory Information
58
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Industry Canada Statement
This device complies with Industry Canada ICES-003 and RSS210 rules.
Déclaration d’Industrie Canada
Cet appareil est conforme aux normes NMB003 et RSS210 d'Industrie Canada.
Industry Canada Statement
Operation is subject to the following two conditions:
1. This device may not cause interference and
2. This device must accept any interference, including interference that may cause undesired operation of the device.
This device has been designed to operate with an antenna having a maximum gain of 1.8dBi. Antenna having a higher gain is
strictly prohibited per regulations of Industry Canada. The required antenna impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the EIRP is
not more than required for successful communication.
3. Industry Canada Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Avis d'Industrie Canada
L'utilisation de ce dispositif est autorisée seulement aux conditions suivantes:
1. il ne doit pas produire de brouillage et
2. il doit accepter tout brouillage radioélectrique reçu, même si ce brouillage est susceptible de compromettre le
fonctionnement du dispositif. Le dispositif a été conçu pour fonctionner avec une antenne ayant un gain maximum de 2
dBi. Les règlements d'Industrie Canada interdisent strictement l'utilisation d'antennes dont le gain est supérieur à
cette limite. L'impédance requise de l'antenne est de 50 ohms.
Afin de réduire le risque d'interférence aux autres utilisateurs, le type d'antenne et son gain doivent être choisis de
façon à ce que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne soit pas supérieure au niveau requis pour obtenir
une communication satisfaisante.
3. Avis d'Industrie Canada concernant l'exposition aux radiofréquences :
Ce matériel est conforme aux limites établies par IC en matière d'exposition aux radiofréquences dans un
environnement non contrôlé. Ce matériel doit être installé et utilisé à une distance d'au moins 20 cm entre l'antenne et
le corps de l'utilisateur.
L'émetteur ne doit pas être placé près d'une autre antenne ou d'un autre émetteur, ou fonctionner avec une autre
antenne ou un autre émetteur.
Appendix H: Regulatory Information
59
Wireless-G Access Point with Power Over Ethernet and Rangebooster
User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste Electric and Electronic
Equipment (WEEE)
This document contains important information for users with regards to the proper disposal and recycling of Linksys
products. Consumers are required to comply with this notice for all electronic products bearing the following symbol:
Appendix H: Regulatory Information
60
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix H: Regulatory Information
61
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix H: Regulatory Information
62
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix H: Regulatory Information
63
Wireless-G Access Point with Power Over Ethernet and Rangebooster
For more information, visit www.linksys.com.
Appendix H: Regulatory Information
64
Wireless-G Access Point with Power Over Ethernet and Rangebooster
Appendix I: Contact Information
Need to contact Linksys?
Visit us online for information on the latest products and updates
to your existing products at:
http://www.linksys.com or
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)
949-823-3002
If you experience problems with any Linksys product,
you can call us at:
Don't wish to call? You can e-mail us at:
800-326-7114
support@linksys.com
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.)
949-823-3000
65
Appendix I: Contact Information

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