Linksys WUSB300N User Manual

2.4
GHz
Wireless-N
USB Network Adapter
User Guide
WIRELESS
Model No.
WUSB300N
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
This user guide has been designed to make understanding networking with the Network Adapter 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 Network Adapter.
This exclamation point means there is a caution or warning and is something that could damage your property or the Network Adapter.
This question mark provides you with a reminder about something you might need to do while using the Network Adapter.
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.
WUSB300N-UG-PSK-60818NC BW
Table of Contents
Chapter 1: Introduction 1
Welcome 1 What’s in this User Guide? 1
Chapter 2: Planning your Wireless Network 3
Network Topology 3 Roaming 3 Network Layout 4
Chapter 3: Getting to Know the Wireless-N USB Network Adapter 5
The LED Indicators 5 USB Extension Base 6
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter 7
Starting the Setup 7 Connecting the Adapter 8 Setting up the Adapter 8
Chapter 5: Using the Wireless Network Monitor 18
Accessing the Wireless Network Monitor 18 Using the Wireless Network Monitor 18 Link Information 18 Connect 21 Profiles 22 Create a New Profile 23
Appendix A: Troubleshooting 33
Common Problems and Solutions 33 Frequently Asked Questions 33
Appendix B: Windows XP Wireless Zero Configuration 37
Windows XP Wireless Zero Configuration 37
Appendix C: Wireless Security 40
Security Precautions 40 Security Threats Facing Wireless Networks 40
Appendix D: Windows Help 43 Appendix E: Glossary 44
Appendix F: Specifications 49 Appendix G: Warranty Information 51 Appendix H: Regulatory Information 52 Appendix I: Contact Information 59
Wireless-N USB Network Adapter
List of Figures
Figure 3-1: Front Panel 5 Figure 3-2: USB Extension Base 6 Figure 4-1: Setup Wizard’s Welcome Screen 7 Figure 4-2: Setup Wizard’s License Agreement 7 Figure 4-3: Connecting the Adapter 8 Figure 4-4: Available Wireless Networks 8 Figure 4-5: WEP Key Needed for Connection 9 Figure 4-6: PSK Needed for Connection 9 Figure 4-7: PSK2 Needed for Connection 10 Figure 4-8: Congratulations 10 Figure 4-9: Available Wireless Network 11 Figure 4-10: Network Settings 11 Figure 4-11: Wireless Mode 11 Figure 4-12: Ad-Hoc Mode Settings 12 Figure 4-13: Wireless Security - WEP 12 Figure 4-14: Wireless Security - PSK 13 Figure 4-15: Wireless Security - PSK2 13 Figure 4-16: Wireless Security - PSK+RADIUS - EAP-TLS 14 Figure 4-17: Wireless Security - PSK+RADIUS - PEAP 14 Figure 4-18: Wireless Security - PSK2+RADIUS - EAP-TLS 15 Figure 4-19: Wireless Security - PSK2+RADIUS - PEAP 15 Figure 4-20: Wireless Security - RADIUS - EAP-TLS 16 Figure 4-21: Wireless Security - RADIUS - PEAP 16 Figure 4-22: Confirm New Settings 17 Figure 4-23: Congratulations screen 17 Figure 5-1: Wireless Network Monitor Icon 18 Figure 5-2: Link Information 18 Figure 5-3: More Information - Wireless Network Status 19 Figure 5-4: More Information - Network Statistics 20 Figure 5-5: Connect 20
Wireless-N USB Network Adapter
Figure 5-6: WEP Key Needed for Connection 21 Figure 5-7: PSK Needed for Connection 21 Figure 5-8: PSK2 Needed for Connection 21 Figure 5-9: Profiles 22 Figure 5-10: Creating a Profile 23 Figure 5-11: WEP Key Needed for Connection 23 Figure 5-12: PSK Needed for Connection 24 Figure 5-13: PSK2 Needed for Connection 24 Figure 5-14: Congratulations 24 Figure 5-15: Available Wireless Networks 25 Figure 5-16: Network Settings 25 Figure 5-17: Wireless Mode 26 Figure 5-18: Ad-Hoc Mode Settings 26 Figure 5-19: Wireless Security - WEP 27 Figure 5-20: Wireless Security - PSK 28 Figure 5-21: Wireless Security - PSK2 28 Figure 5-22: Wireless Security - PSK+RADIUS - EAP-TLS 29 Figure 5-23: Wireless Security - PSK+RADIUS - PEAP 29 Figure 5-24: Wireless Security - PSK2+RADIUS - EAP-TLS 30 Figure 5-25: Wireless Security - PSK2+RADIUS - PEAP 30 Figure 5-26: Wireless Security - RADIUS - EAP-TLS 31 Figure 5-27: Wireless Security - RADIUS - PEAP 31 Figure 5-28: Confirm New Settings 32 Figure 5-29: Congratulations 32 Figure B-1: Wireless Network Monitor Icon 37 Figure B-2: Windows XP - Use Windows XP Wireless Configuration 37 Figure B-3: Windows XP Wireless Zero Configuration Icon 37 Figure B-4: Available Wireless Network 38 Figure B-5: No Wireless Security 38 Figure B-6: Network Connection - Wireless Security 39 Figure B-7: Wireless Network Connection 39

Chapter 1: Introduction

Welcome
Thank you for choosing the Wireless-N USB Network Adapter. Setting up your network and your Wireless-N USB Network Adapter is easier than ever. Just connect it to your PC's USB port and enjoy incredible high-speed wireless network access, at unheard-of distances.
How does the Adapter do this? Like all wireless products, the Adapter allows for greater range and mobility within your wireless network, whether it’s using the Wireless-G (802.11g) or Wireless-B (802.11b) standard. But with Wireless-N, it has even better range and speed.
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.
PCs equipped with wireless cards and adapters can communicate without cumbersome cables. By sharing the same wireless settings, within their transmission radius, they form a wireless network.
The included Setup Wizard walks you through configuring the Adapter to your wireless network settings, step by step. Use the instructions in this Guide to help you set up and connect the Adapter using the Setup Wizard. These instructions should be all you need to get the most out of the Adapter.
What’s in this User Guide?
This user guide covers the steps for setting up and using the Wireless-N USB Network Adapter.
adapter: a device that adds network functionality to your PC.
network: a series of computers or devices connected for the purpose of data sharing, storage, and/or transmission between users.
802.11g a wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an operating frequency of 2.4GHz.
802.11b: a wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz.
bit: a binary digit.
encryption: encoding data transmitted in a network
• Chapter 1: Introduction This chapter describes the Adapter’s applications and this User Guide.
• Chapter 2: Planning Your Wireless Network This chapter discusses a few of the basics about wireless networking.
• Chapter 3: Getting to Know the Wireless-N USB Network Adapter This chapter describes the physical features of the Adapter.
Chapter 1: Introduction Welcome
1
• Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter This chapter instructs you on how to install and configure the Adapter.
• Chapter 5: Using the Wireless Network Monitor This chapter show you how to use the Adapter’s Wireless Network Monitor.
• Appendix A: Troubleshooting This appendix describes some problems and solutions, as well as frequently asked questions, regarding installation and use of the Adapter.
• Appendix B: Windows XP Wireless Zero Configuration This appendix describes how to use Windows XP Wireless Zero Configuration.
• Appendix C: Wireless Security This appendix discusses security issues regarding wireless networking and measures you can take to help protect your wireless network.
• Appendix D: Windows Help This appendix describes how you can use Windows Help for instructions about networking, such as installing the TCP/IP protocol.
• Appendix E: Glossary This appendix gives a brief glossary of terms frequently used in networking.
• Appendix F: Specifications This appendix provides the Adapter’s technical specifications.
• Appendix G: Warranty Information This appendix supplies the Adapter’s warranty information.
• Appendix H: Regulatory Information This appendix supplies the Adapter’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?
2

Chapter 2: Planning your Wireless Network

Network Topology
A wireless network is a group of computers, each equipped with one wireless adapter. Computers in a wireless network must be configured to share the same radio channel. Several PCs equipped with wireless cards or adapters can communicate with one another to form an ad-hoc network.
Linksys wireless adapters also provide users access to a wired network when using an 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 network infrastructure via the access point or wireless router.
An infrastructure configuration extends the accessibility of a wireless PC to a wired network, and can 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 can be doubled.
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 channel and SSID.
Before enabling 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.
topology: the physical layout of a network.
access point: a device that allows wireless-
equipped computers and other devices to communicate with a wired network
ad-hoc: a group of wireless devices communicating directly with each other (peer­to-peer) without the use of an access point.
infrastructure: a wireless network that is bridged to a wired network via an access point.
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.
Chapter 2: Planning your Wireless Network Network Topology
3
Network Layout
Linksys wireless access points and wireless routers have been designed for use with 802.11a, 802.11b, and
802.11g products. With 802.11g products communicating with the 802.11b standard and some products
incorporating both “a” and “g”, products using these standards can communicate with each other.
Access points and wireless routers are compatible with 802.11a, 802.11b and 802.11g adapters, such at the PC Cards for your laptop computers, PCI Card for your desktop PC, and USB Adapters for when you want to enjoy USB connectivity. Wireless products will also communicate with the wireless PrintServer.
When you wish to connect your wired network with your wireless network, network ports on access points and wireless routers can be connected to any of Linksys's switches or routers.
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
4

Chapter 3: Getting to Know the Wireless-N USB Network Adapter

The LED Indicators
The USB Network Adapter's LEDs display information about network activity.
Link/Act
Power
Figure 3-1: Front Panel
Power Green. The Power LED lights up when the Adapter is powered on.
Link/Act Green. The Link/Act LED lights up when the Adapter has an active connection.
Chapter 3: Getting to Know the Wireless-N USB Network Adapter The LED Indicators
5
USB Extension Base
A USB Extension Base is provided for easy access to the USB port. The USB Extension Base is connected to the USB port in your PC, then the Adapter is connected to the Base.
Chapter 3: Getting to Know the Wireless-N USB Network Adapter USB Extension Base
Figure 3-2: USB Extension Base
6

Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter

Starting the Setup
The Wireless-N USB Network Adapter Setup Wizard will guide you through the installation procedure. The Setup Wizard will install the driver and Wireless Network Monitor, as well as connect and configure the Adapter.
IMPORTANT: Do not connect the Adapter until you are instructed to do so or the setup will not work.
Insert the Setup Wizard CD-ROM into your CD-ROM drive. The Setup Wizard should run automatically, and the Welcome screen should appear. If it does not, click the Start button and choose Run. In the field that appears, enter D:\setup.exe (if “D” is the letter of your CD-ROM drive).
On the Welcome screen, you have the following choices:
Click Here to Start- Click the Click Here to Start button to begin the software installation process.
User Guide - Click the User Guide button to open the PDF file of this User Guide.
Diagnostic - Click the Diagnostic button to run a diagnostic check on your installed Network Adapter’s Wireless Network Monitor and driver.
Exit - Click the Exit button to exit the Setup Wizard.
1. To install the Adapter, click the Click Here to Start button on the Welcome screen.
2. After reading the License Agreement, click the Next button if you agree and want to continue the installation, or click the Cancel button to end the installation.
3. Windows will begin copying the files onto your PC.
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Starting the Setup
Figure 4-1: Setup Wizard’s Welcome Screen
Figure 4-2: Setup Wizard’s License Agreement
7
Connecting the Adapter
1. Locate an available USB port on your PC.
2. Connect the Adapter in one of three ways:
1. Insert the Adapter into the USB port.
2. If you want to use the included USB Extension Base, first connect the USB Extension Base to the USB port on the PC, then insert the Adapter into the USB port on the Base.
3. If you want to use the included USB Extension Cable, connect the Adapter to the female end of the USB Extension Cable, then connect the male end of the Cable to the PC.
3. Windows will begin copying the driver files to your computer.
4. Click Next.
Setting up the Adapter
The next screen to appear will be the Available Wireless Networks screen.
This screen provides two options for setting up the Adapter.
Figure 4-3: Connecting the Adapter
• Available Wireless Networks. (For most users.) Use this option if you already have a network set up. The networks available to this Adapter will be listed on this screen. You can choose one of these networks and click the Connect button to connect to it. Click the Refresh button to update the Available Wireless Network list.
• Manual Setup. If your network is not listed on this screen, select Advanced Setup to set up the adapter manually. This method of setting up the Adapter is intended for Advanced Users only.
The setup for each option is described, step by step, under the appropriate heading on the following pages.
Click Exit to close the Setup Wizard, if you wish to set up the Adapter later.
Available Wireless Networks
The available networks are listed in the table on the center of the screen by Wireless Network Name. Select the wireless network you wish to connect to and click the Connect button. (If you do not see your network listed, you can click the Refresh button to bring the list up again.) If the network utilizes wireless security, you will
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Connecting the Adapter
Figure 4-4: Available Wireless Networks
8
need to configure security on the Adapter. If not, you will be taken directly to the Congratulations screen.
1. If you have wireless security enabled on your network, continue to step 2. If you don’t have wireless security enabled, continue to step 3.
2. If your network has WEP, PSK, or PSK2 wireless security enabled, then that security screen will appear. Continue to the screen for your wireless security.
• WEP (Wired Equivalent Privacy)
If you have WEP enabled, this screen will appear. Select 64-bit or 128-bit. Then enter a passphrase or WEP key. You must enter the same security settings used on your network.
Passphrase - Enter a passphrase in the Passphrase field, so a WEP key is automatically generated. The passphrase is case-sensitive and should not be longer than 16 alphanumeric characters. It must match the passphrase of your wireless network and is compatible with Linksys wireless products only. (If you have any non-Linksys wireless products, enter the WEP key manually on those products.)
WEP Key - The WEP key you enter must match the WEP key of your wireless network. For 64-bit encryption, enter exactly 10 hexadecimal characters. For 128-bit encryption, enter exactly 26 hexadecimal characters. Valid hexadecimal characters are “0” to “9” and “A” to “F”.
Figure 4-5: WEP Key Needed for Connection
Then click Connect and proceed to Step 3.
• PSK (Pre-shared key)
If your network has the wireless security PSK enabled, this screen will appear. You must enter the same security settings used on your network.
Encryption - Select the type of algorithm you want to use, TKIP or AES, from the Encryption drop-down menu.
Pre-shared Key - Enter a Pre-shared key of 8-63 characters in the Pre-shared Key field.
Then click Connect and proceed to Step 3.
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Setting up the Adapter
Figure 4-6: PSK Needed for Connection
wep (wired equivalent privacy): a method of encrypting network data transmitted on a wireless network for greater security.
encryption: encoding data transmitted in a network.
PSK (Pre-shared key: a wireless security protocol using
TKIP (Temporal Key Integrity Protocol) encryption, which can be used in conjunction with a RADIUS server.
9
• PSK2 (Pre-shared key 2)
If your network has the wireless security PSK2 enabled, this screen will appear. You must enter the same security settings used on your network.
Pre-shared Key - Enter a Pre-shared Key of 8-63 characters in the Pre-shared Key field.
Then click Connect and proceed to Step 3.
Figure 4-7: PSK2 Needed for Connection
3. After the software has been successfully installed, the Congratulations screen will appear. Click Finish to
exit. For more information about the Wireless Network Monitor, refer to Chapter 5: Using the Wireless Network Monitor.
Congratulations! The installation of the Wireless-N USB Network Adapter is complete.
To check the link information, search for available wireless networks, or make additional configuration changes,
proceed to Chapter 5: Using the Wireless Network Monitor.
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Setting up the Adapter
Figure 4-8: Congratulations
10
Advanced Setup
If your network is not listed with the available networks, you can use Manual Setup.
1. Click Advanced Setup on the Available Wireless Network screen to set up the adapter manually.
2. The Network Settings screen from the Wireless Network Monitor will appear. If your network has a DHCP server or router, click the radio button next to Obtain network settings automatically (DHCP).
If your network does not have a DHCP server or router, click the radio button next to Specify network settings. Enter an IP Address, Subnet Mask, Default Gateway, and DNS addresses appropriate for your network. You must specify the IP Address and Subnet Mask on this screen. If you are unsure about the Default Gateway and DNS addresses, leave these fields empty.
IP Address - This IP Address must be unique to your network.
Subnet Mask - The Adapter’s Subnet Mask must be the same as your wired network’s Subnet Mask.
Default Gateway - Enter the IP address of your network’s Gateway here.
DNS 1 and DNS 2 - Enter the DNS address of your wired Ethernet network here.
Click the Next button to continue, or click the Back button to return to the previous screen.
Figure 4-9: Available Wireless Network
3. The Wireless Mode screen shows a choice of two wireless modes. Click the Infrastructure Mode radio button if you want to connect to a wireless router or access point. Click the Ad-Hoc Mode radio button if you want to connect to another wireless device directly without using a wireless router or access point. Enter the Wireless Network Name for your network.
Infrastructure Mode - Use this mode if you want to connect to a wireless router or access point.
Ad-Hoc Mode - Use this mode if you want to connect to another wireless device directly without using a wireless router or access point.
Wireless Network Name- This is the wireless network name (SSID) that must be used for all the devices in your wireless network. It is case- sensitive and should be a unique name to help prevent others from entering your network.
Click the Next button to continue, or click the Back button to return to the previous screen.
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Setting up the Adapter
Figure 4-10: Network Settings
Figure 4-11: Wireless Mode
11
4. If you chose Infrastructure Mode, go to Step 5 now. If you chose Ad-Hoc Mode, the Ad-Hoc Mode Settings screen will appear.
Standard Channel - Select the correct channel for your wireless network. The channel you choose should match the channel set on the other devices in your wireless network. If you are unsure about which channel to use, keep the default setting Auto.
Click the Next button to continue. Click the Back button to change any settings.
5. If your wireless network doesn’t have wireless security, select Disabled and then click the Next button to continue. Proceed to Step 6.
If your wireless network has wireless security, select the method of security used: WEP, PSK, PSK2, PSK+RADIUS, PSK2+RADIUS, or RADIUS. WEP stands for Wired Equivalent Privacy, and PSK stands for Pre­shared key. PSK2 stands for Pre-shared key 2. RADIUS stands for Remote Authentication Dial-In User Service. Click the Next button to continue or the Back button to return to the previous screen.
Proceed to the appropriate section for the security method used on your network: WEP, PSK, PSK2, PSK+RADIUS, PSK2+RADIUS, or RADIUS.
WEP
WEP - Select 64-bit or 128-bit encryption. You must enter the same security settings used on your network.
Passphrase - Enter a passphrase in the Passphrase field, so a WEP key is automatically generated. It is case- sensitive and should not be longer than 16 alphanumeric characters. This passphrase must match the passphrase of your wireless network and is compatible with Linksys wireless products only. (If you have any non-Linksys wireless products, enter the WEP key manually on those products.)
WEP Key - The WEP key you enter must match the WEP key of your wireless network. For 64-bit encryption, enter exactly 10 hexadecimal characters. For 128-bit encryption, enter exactly 26 hexadecimal characters. Valid hexadecimal characters are “0” to “9” and “A” to “F”.
Figure 4-12: Ad-Hoc Mode Settings
Figure 4-13: Wireless Security - WEP
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Setting up the Adapter
12
Advanced Users TX Key - The default transmit key number is 1. If your network’s access point or wireless router uses transmit key number 2, 3, or 4, select the appropriate number from the TX Key drop-down box.
Authentication -The default is set to Auto, so it will auto-detect for Shared Key or Open System authentication. For Shared Key authentication, both the sender and the recipient share a WEP key for authentication. For Open System authentication, the sender and the recipient do not share a WEP key for authentication. If you are not sure which authentication method to select, keep the default, Auto.
Click the Next button to continue, or click the Back button to return to the previous screen.
PSK
PSK offers two encryption methods, TKIP and AES, with dynamic encryption keys. Select TKIP or AES for encryption. Then enter a Pre-shared Key that is 8-63 characters in length. You must enter the same security settings used on your network.
Encryption - Select the type of algorithm you want to use, TKIP or AES, from the Encryption drop-down menu.
Pre-shared Key - Enter a Pre-shared Key of 8-63 characters in the Pre-shared Key field.
Figure 4-14: Wireless Security - PSK
Click the Next button to continue or the Back button to return to the previous screen.
PSK2
Enter a Pre-shared Key that is 8-63 characters in length. You must enter the same security settings used on your network.
Pre-shared Key - Enter a Pre-shared Key of 8-63 characters in the Pre-shared Key field.
Click the Next button to continue or the Back button to return to the previous screen.
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Setting up the Adapter
Figure 4-15: Wireless Security - PSK2
13
PSK+RADIUS
PSK+RADIUS features PSK security used in coordination with a RADIUS server. (This should only be used when a RADIUS server is connected to the Router.) PSK+RADIUS offers two authentication methods, EAP-TLS and PEAP, as well as two encryption methods, TKIP and AES, with dynamic encryption keys. You must enter the same security settings used on your network.
Authentication - Select the authentication method your network is using, EAP-TLS or PEAP.
EAP-TLS
If you selected EAP-TLS, enter the login name of your wireless network in the Login Name field. Enter the name of the authentication server in the Server Name field (this is optional). From the Certificate drop-down menu, select the certificate you have installed to authenticate you on your wireless network. Select the type of encryption, TKIP or AES, from the Encryption drop-down menu.
Click the Next button to continue or the Back button to return to the previous screen.
PEAP
Figure 4-16: Wireless Security - PSK+RADIUS - EAP-
TLS
If you selected PEAP, enter the login name of your wireless network in the Login Name field. Enter the password of your wireless network in the Password field. Enter the name of the authentication server in the Server Name field (this is optional). From the Certificate drop-down menu, select the certificate you have installed to authenticate you on your wireless network; if you want to use any certificate, keep the default setting, Trust Any. Then select the authentication method used inside the PEAP tunnel. Select the type of encryption, TKIP or AES, from the Encryption drop-down menu.
Click the Next button to continue or the Back button to return to the previous screen.
Chapter 4: Setting up and Connecting the Wireless-N USB Network Adapter Setting up the Adapter
Figure 4-17: Wireless Security - PSK+RADIUS - PEAP
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