NETGEAR WG102 - ProSafe Wireless Access Point Reference Manual
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NETGEAR WG102 - ProSafe Wireless Access Point Reference Manual

Prosafe 802.11g wireless access point
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See also: Configuration Manual , User Manual
Reference Manual for the
NETGEAR ProSafe 802.11g
Wireless Access Point
WG102
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Phone 1-888-NETGEAR
202-10064-02 v1.1
June 2005
202-10064-02, June 2005

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  • Page 1 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone 1-888-NETGEAR 202-10064-02 v1.1 June 2005 202-10064-02, June 2005...
  • Page 2 202-10064-02, June 2005...

  • Page 3: Technical Support

    In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes to the products described in this document without notice. NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit layout(s) described herein.

  • Page 4: Fcc Statement

    FCC Statement DECLARATION OF CONFORMITY We Netgear, 4500 Great America Parkway Santa Clara, CA 95054, USA Tel: +1 408 907 8000 declare under our sole responsibility that the product(s) WG102 (Model Designation) 802.11g ProSafe Wireless Access Point (Product Name) complies with Part 15 of FCC Rules.
  • Page 5 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 can be determined by turning the equipment off and on, the user is encouraged to try and correct the interference by one or more of the following measures: •...
  • Page 6 Approved Antenna Gain Approved Antenna Antenna Maximum Antennas and type Cable Cable Length Transmitted Power* NETGEAR 18 dBi, directional NETGEAR 1.5 m to 30 m 18 dBm + 18 dBi ant. ANT24D18 outdoor/indoor ACC-10314-01 thru 05 9 dBi, NETGEAR NETGEAR omnidirectional 1.5 m to 30 m...
  • Page 7 WG102 in the European Community. Bestätigung des Herstellers/Importeurs Es wird hiermit bestätigt, daß das NETGEAR WG102 ProSafe 802.11g Wireless Access Point gemäß der im BMPT-AmtsblVfg 243/1991 und Vfg 46/1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben einiger Geräte (z.B.
  • Page 8 Certificate of the Manufacturer/Importer It is hereby certified that the NETGEAR WG102 ProSafe 802.11g Wireless Access Point has been suppressed in accordance with the conditions set out in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, test transmitters) in accordance with the regulations may, however, be subject to certain restrictions.

  • Page 9: Table Of Contents

    How to Use This Manual ....................1-2 How to Print this Manual ....................1-2 Chapter 2 Introduction About the NETGEAR WG102 ProSafe 802.11g Wireless Access Point ......2-1 Key Features ........................2-2 802.11g Standards-based Wireless Networking ............2-3 Autosensing Ethernet Connections with Auto Uplink ..........2-4 Wireless Multimedia (WMM) Support ..............2-4...
  • Page 10 How to Restrict Wireless Access by MAC Address ..........3-19 How to Configure WEP ..................3-20 How to Configure WPA with Radius ...............3-22 How to Configure WPA-PSK ..................3-25 How to Configure WPA2 with Radius ..............3-26 How to Configure WPA2-PSK ................3-28 How to Configure WPA and WPA2 ................3-29 How to Configure WPA2-PSK and WPA2-PSK ............3-32 Chapter 4 Management...
  • Page 11 Chapter 6 Troubleshooting No lights are lit on the access point................6-1 The Wireless LAN activity light does not light up............6-2 The LAN light is not lit.....................6-2 I cannot access the Internet or the LAN with a wireless capable computer....6-2 I cannot connect to the WG102 to configure it.
  • Page 12 Changes to Wireless Access Points ............... B-17 Changes to Wireless Network Adapters ............B-17 Changes to Wireless Client Programs ............B-18 Glossary Contents 202-10064-02, June 2005...

  • Page 13: About This Manual

    This manual is written for the WG102 Access Point according to these specifications: Table 1-2. Manual Scope Product Version NETGEAR WG102 ProSafe 802.11g Wireless Access Point Manual Publication Date June 2005 Note: Product updates are available on the NETGEAR, Inc. Web site at http://kbserver.netgear.com/products/WG102.asp. About This Manual 202-10064-02, June 2005...

  • Page 14: How To Use This Manual

    • button to access the full NETGEAR, Inc. online knowledge base for the product model. • Links to PDF versions of the full manual and individual chapters.

  • Page 15: Introduction

    About the NETGEAR WG102 ProSafe 802.11g Wireless Access Point The NETGEAR WG102 ProSafe 802.11g Wireless Access Point is the basic building block of a wireless LAN infrastructure. It provides connectivity between Ethernet wired networks and radio-equipped wireless notebook systems, desktop systems, print servers, and other devices.

  • Page 16: Key Features

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Key Features The WG102 Access Point is easy-to-use and provides solid wireless and networking support. Supported Standards and Conventions The following standards and conventions are supported: • Standards Compliant. The Wireless Access Point complies with the IEEE 802.11g for Wireless LANs.

  • Page 17: 802.11G Standards-Based Wireless Networking

    • Power over Ethernet. Power can be supplied to the WG102 over the Ethernet port from any 802.3af compliant mid-span or end-span source such as the NETGEAR FSM7326P Managed Power over Ethernet Layer 3 managed switch. Autosensing Ethernet Connection with Auto Uplink Interface. Connects to 10/100 Mbps •...

  • Page 18: Autosensing Ethernet Connections With Auto Uplink

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Autosensing Ethernet Connections with Auto Uplink The WG102 can connect to a standard Ethernet network. The LAN interface is autosensing and capable of full-duplex or half-duplex operation. The wireless access point incorporates Auto Uplink technology.

  • Page 19: What's In The Box

    NETGEAR Web site at: http://www.NETGEAR.com. Hardware Description The NETGEAR WG102 ProSafe 802.11g Wireless Access Point front and rear hardware functions are described below. Introduction 202-10064-02, February 2005...

  • Page 20: Front Panel

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Front Panel Figure 2-1: WG102 front panel Viewed from left to right, the WG102 Access Point provides these four status LEDs: PWR, TEST, LAN, and WLAN. The following table explains these LED indicators:...

  • Page 21: Rear Panel

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Rear Panel Figure 2-2: WG102 rear panel Viewed from left to right, the back of the WG102 provides the following: • Detachable Antenna The WG102 provides one detachable antenna.
  • Page 22 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Introduction 202-10064-02, February 2005...

  • Page 23: Basic Installation And Configuration

    Chapter 3 Basic Installation and Configuration This chapter describes how to set up your NETGEAR WG102 ProSafe 802.11g Wireless Access Point for wireless connectivity to your LAN. This basic configuration will enable computers with 802.11b or 802.11g wireless adapters to do such things as connect to the Internet, or access printers and files on your LAN.

  • Page 24: Cabling Requirements

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Note: Failure to follow these guidelines can result in significant performance degradation or inability to wirelessly connect to the WG102. For complete performance specifications, see Appendix A, “Specifications”. For best results, place your wireless access point: •...

  • Page 25: Default Factory Settings

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Default Factory Settings When you first receive your WG102, the default factory settings will be set as shown below. You can restore these defaults with the Factory Default Restore switch on the rear panel — see “WG102 front panel”...

  • Page 26: Understanding Wg102 Wireless Security Options

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Understanding WG102 Wireless Security Options Your wireless data transmissions can be received well beyond your walls by anyone with a compatible adapter. For this reason, use the security features of your wireless equipment. The WG102 Access Point provides highly effective security features which are covered in detail in this chapter.

  • Page 27: Installing The Wg102 Access Point

    NETGEAR WAG511 are highly-recommended for Enhanced RF Security. Installing the WG102 Access Point Before installing the NETGEAR WG102 ProSafe 802.11g Wireless Access Point, you should make sure that your Ethernet network is up and working. You will be connecting the access point to the Ethernet network so that computers with 802.11b or 802.11g wireless adapters will be able...
  • Page 28 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 ONFIGURE IRELESS CCESS Configure the WG102 Ethernet port for LAN access. • Connect to the WG102 by opening your browser and entering http://192.168.0.229 the address field. A login window opens. When prompted, enter admin for the user name and password for the password, both in lower case letters.
  • Page 29 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • The Web browser will then display the WG102 settings page. Figure 3-3: Login result: WG102 home page – When the wireless access point is connected to the Internet, click the Knowledge Base or the Documentation link under the Web Support menu to view support information or the documentation for the wireless access point.
  • Page 30 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Click the Basic Settings link to view the Basic Settings menu. Figure 3-4: Basic Settings menu • Configure the settings appropriate for your network. Click the Wireless Settings link in the Setup section of the main menu to view the Wireless Settings menu.
  • Page 31 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Configure the wireless interface for wireless access. See the online help or the “Understanding Wireless Settings” on page 3-12 topic of this Reference Manual for full instructions. Note: You must set the Country/Region. It may not be legal to operate the wireless access point in a region other than one of those identified in this field.

  • Page 32: How To Log In To The Wg102 Using Its Default Ip Address

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 How to Log In to the WG102 Using Its Default IP Address 192.168.0.229 is the default IP address of your access point. The WG102 is set, by default, the DHCP client to be disabled.

  • Page 33: Using The Basic Ip Settings Options

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Using the Basic IP Settings Options To configure the basic settings of your wireless access point, click the Basic Settings link in the Setup section of the main menu of the browser interface. The Basic Settings menu will appear, as shown below.

  • Page 34: Understanding Wireless Settings

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 – IP Address: Enter an unused IP address from the address range used on your LAN (factory default: 192.168.0.229). – IP Subnet Mask: Enter the subnet mask value used on your LAN (factory default: 255.255.255.0).
  • Page 35 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 The Wireless Settings menu options are discussed below: • Country/Region. This field identifies the region where the WG102 can be used. It may not be legal to operate the wireless features of the wireless access point in a region other than one of those identified in this field.
  • Page 36 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Operating Mode. Select the desired wireless operating mode. The options are: – Auto (802.11g/802.11b) – Both 802.11g and 802.11b wireless stations can be used. This is the default.

  • Page 37: Understanding Wep/Wpa Security Options

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Understanding WEP/WPA Security Options The table below identifies the various WEP/WPA security options. A full explanation of these standards is available in Appendix B, “Wireless Networking Basics”. Figure 3-9: WEP/WPA Settings menu The WEP/WPA settings are explained as follows: •...
  • Page 38 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 – WPA2-PSK: WPA2 is a later version of WPA. Only select this if all clients support WPA2. If selected, you must use AES encryption, and enter the WPA passphrase (Network key).

  • Page 39: Before You Change The Ssid And Wep Settings

    • SSID: The Service Set Identification (SSID) identifies the wireless local area network. NETGEAR is the default WG102 SSID. However, you may customize it by using up to 32 alphanumeric characters. Write your customized SSID on the line below. SSID: ___________________________________ Note: The SSID in the wireless access point is the SSID you configure in the wireless adapter card.

  • Page 40: How To Set Up And Test Basic Wireless Connectivity

    Choose a suitable descriptive name for the wireless network name (SSID). In the SSID box, enter a value of up to 32 alphanumeric characters. The default SSID is NETGEAR. Note: The SSID of any wireless access adapters must match the SSID you configure in the NETGEAR WG102 ProSafe 802.11g Wireless Access Point.

  • Page 41: How To Restrict Wireless Access By Mac Address

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Note: If you are configuring the WG102 from a wireless computer and you change the SSID, channel, or security settings, you will lose your wireless connection when you click Apply. You must then change the wireless settings of your computer to match the new settings.

  • Page 42: How To Configure Wep

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Figure 3-10: Access Control List menu Select the Turn Access Control On check box. Choose to use the local MAC address database stored on the access point, or use the RADIUS MAC address database stored on a RADIUS server.
  • Page 43 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Log in to the WG102 using its default address of http://192.168.0.229 or at whatever IP address the unit is currently configured Use the default user name of admin and default password of password, or whatever LAN address and password you have set up.

  • Page 44: How To Configure Wpa With Radius

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Note: If you use a wireless computer to configure WEP settings, you will be disconnected when you click Apply. Reconfigure your wireless adapter to match the new settings or access the wireless access point from a wired computer to make any further changes.
  • Page 45 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Click Radius Server Settings in the Security menu. Figure 3-12: Radius Server Settings menu Enter the Radius settings. • Authentication/Access Control Radius Server Configuration: This configuration is required for authentication using Radius. IP Address, Port No. and Shared Secret is required for communication with Radius Server.
  • Page 46 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Global-key Re-Key Time: Check on this option to enable Re-keying of Global Key. The Global Key Re-Key can be done based on time interval in seconds or number of packets exchanged using the global key.

  • Page 47: How To Configure Wpa-Psk

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 How to Configure WPA-PSK Note: Not all wireless adapters support WPA. Furthermore, client software is required on the client. Windows XP and Windows 2000 with Service Pack 3 do include the client software that supports WPA.

  • Page 48: How To Configure Wpa2 With Radius

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 How to Configure WPA2 with Radius Note: Not all wireless adapters support WPA2. Furthermore, client software is required on the client. Make sure your client card supports WPA2. Consult the product document for your wireless adapter and WPA2 client software for instructions on configuring WPA2 settings.
  • Page 49 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Authentication/Access Control Radius Server Configuration: This configuration is required for authentication using Radius. IP Address, Port No. and Shared Secret is required for communication with Radius Server. A Secondary Radius Server can be configured which is used on failure on Primary Radius Server •...

  • Page 50: How To Configure Wpa2-Psk

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Click WEP/WPA Settings in the Security menu. Figure 3-16: WEP/WPA Settings menu Choose WPA2 with Radius from the list. Click Apply to save your settings. How to Configure WPA2-PSK Note: Not all wireless adapters support WPA2.

  • Page 51: How To Configure Wpa And Wpa2

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Click WEP/WPA Settings in the Security menu of the WG102. Figure 3-17: WEP/WPA Settings menu Choose WPA2-PSK from the list. Enter the pre-shared key passphrase. Click Apply to save your settings.
  • Page 52 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 To configure WPA and WPA2, follow these steps: Log in at the default LAN address of http://192.168.0.229 with the default user name of admin and default password of password, or using whatever LAN address and password you have set up.
  • Page 53 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Shared Secret: This is shared between the Wireless Access Point and the Radius Server while authenticating the supplicant. • Re-authentication Time: The time interval in seconds after which the supplicant will be authenticated again with the Radius Server.

  • Page 54: How To Configure Wpa2-Psk And Wpa2-Psk

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Choose WAP and WPA2 with Radius from the list. Click Apply to save your settings. How to Configure WPA2-PSK and WPA2-PSK Note: Not all wireless adapters support WPA. Furthermore, client software is required on the client.
  • Page 55 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Choose WPA-PSK and WPA2-PSK from the list. Enter the pre-shared key passphrase. Click Apply to save your settings. Basic Installation and Configuration 3-33 202-10064-02, June 2005...
  • Page 56 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 3-34 Basic Installation and Configuration 202-10064-02, June 2005...

  • Page 57: Management

    Chapter 4 Management This chapter describes how to use the management features of your NETGEAR WG102 ProSafe 802.11g Wireless Access Point. These features can be found by clicking on the Maintenance heading in the Main Menu of the browser interface.

  • Page 58: Viewing General And Statistical Information

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Enable the SysLog option if you have a SysLog server on your LAN. If enabled, you must enter the IP address of your SysLog server and the port number your SysLog server is configured to use.
  • Page 59 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 This screen shows the following parameters: Table 4-1. General Information Fields Field Description Access Point Information Access Point Name The default name may be changed if desired. (NetBIOS name)

  • Page 60: Statistics

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Statistics The Information - Statistics screen provides various LAN and WLAN statistics. Figure 4-3: Wireless Access Point Status screen Table 4-1. Statistics Fields Field Description Wired Ethernet Received/Transmitted Packets The number of packets sent since the WG102 was restarted.

  • Page 61: Viewing A List Of Attached Devices

    The software of the WG102 Access Point is stored in FLASH memory, and can be upgraded as new software is released by NETGEAR. Upgrade files can be downloaded from the NETGEAR Web site. If the upgrade file is compressed (.ZIP file), you must first extract the image (.IMG) file before sending it to the wireless access point.

  • Page 62: Configuration File Management

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Download the new software file from NETGEAR, save it to your hard disk, and unzip it. From the main menu Management section, click the Upgrade Firmware link to display the screen above.

  • Page 63: Saving And Retrieving The Configuration

    Restore function, which restores all factory settings. After a restore, the wireless access point's password will be password, the SSID will be NETGEAR, the DHCP client will be disabled, the default LAN IP address will be 192.168.0.229, and the access point name is reset to the name printed on the label on the bottom of the unit.

  • Page 64: Changing The Administrator Password

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Changing the Administrator Password The default password is password. Change this password to a more secure password. You cannot change the administrator login name. From the main menu of the browser interface, under the Management heading, click Change Password to bring up the menu shown below.

  • Page 65: Using Snmp Remote Management

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Using SNMP Remote Management Enable SNMP to allow SNMP network management software such as HP OpenView to manage the wireless access point via the SNMPv1/v2 protocol. From the main menu of the browser interface, under the Management heading, click the Remote Management link to view this menu.
  • Page 66 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 4-10 Management 202-10064-02, June 2005...

  • Page 67: Advanced Configuration

    Chapter 5 Advanced Configuration This chapter describes how to configure the advanced features of your NETGEAR WG102 ProSafe 802.11g Wireless Access Point: • Hotspot Settings: Set up advanced wireless LAN parameters. • Wireless Settings: Set up advanced wireless LAN parameters.

  • Page 68: Autocell Rf Management

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Advanced wireless parameters These options are discussed below. AutoCell RF Management AutoCell provides advanced RF wireless management features that improve performance and enhance security. Table 5-1. What does AutoCell do?

  • Page 69: Configuration

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Configuration Figure 5-2: Advanced Wireless Settings screen AutoCell Setup options There are two AutoCell configuration setting choices: • Enable/disable Auto RF Management: Enabled by default • Enable/disable Enhanced RF Security: Disabled by default...

  • Page 70: Autocell Ap/Client Interaction

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 In this mode, AutoCell shrinks the size of coverage to the minimum to reach clients but also shrinks the size of the beacons that access points use to announce their presence. This mode makes an enterprise wireless LAN nearly invisible to users outside an office building.

  • Page 71: Configuring Advanced Wireless Settings

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Configuring Advanced Wireless Settings The default advanced wireless LAN parameter settings usually work well. If you want the AP to operate in Super-G mode, use this feature. Figure 5-3: Advanced Wireless Settings screen The advanced wireless parameters settings normally do not need to be changed.
  • Page 72 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • RTS Threshold: Request to Send Threshold. The packet size that is used to determine if it should use the CSMA/CD (Carrier Sense Multiple Access with Collision Detection) mechanism or the CSMA/CA mechanism for packet transmission. With the CSMA/CD transmission mechanism, the transmitting station sends out the actual packet as soon as it has waited for the silence period.

  • Page 73: Ap Settings: Enabling Wireless Bridging And Repeating

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 AP Settings: Enabling Wireless Bridging and Repeating The WG102 Access Point lets you build large bridged wireless networks. Figure 5-4: Advanced Wireless Settings Access Point Mode settings Examples of wireless bridged configurations are: •...
  • Page 74 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Multi-Point Bridge – Select this only if this WG102 is the “master” for a group of bridge-mode wireless stations. Then all traffic is sent to this “master,” rather than directly among each other.

  • Page 75: How To Configure A Wg102 As A Point-To-Point Bridge

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 How to Configure a WG102 as a Point-to-Point Bridge Figure 5-5: Point-to-Point Bridge Configure the WG102 (AP1) on LAN Segment 1 in Point-to-Point Bridge mode. Configure the WG102 (AP2) on LAN Segment 2 in Point-to-Point Bridge mode.

  • Page 76: How To Configure Multi-Point Wireless Bridging

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 How to Configure Multi-Point Wireless Bridging Figure 5-6: Multi-Point bridging Configure the Operating Mode of the WG102 Access Points. • Because it is in the central location, configure WG102 (AP1) on LAN Segment 1 in Point-to-Multi-Point Bridge mode.

  • Page 77: How To Configure Wireless Repeating

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • If using DHCP, all WG102 Access Points should be set to “Obtain an IP address automatically (DHCP Client)” in the IP Address Source portion of the Basic IP Settings menu.
  • Page 78 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Configure the Operating Mode of the WG102 Access Points. • Configure AP1 on LAN Segment 1 in Repeater mode with the Remote MAC Address of the ‘downstream’ AP (AP2).

  • Page 79: Troubleshooting

    If it is plugged directly into the wall, verify that it is not a switched outlet. • Make sure you are using the correct NETGEAR power adapter supplied with your access point. Troubleshooting...

  • Page 80: The Wireless Lan Activity Light Does Not Light Up

    • Make sure the antennas are tightly connected to the WG102. • Contact NETGEAR technical support if the Wireless LAN activity light remains off. The LAN light is not lit. There is a hardware connection problem.Check these items: •...

  • Page 81: I Cannot Connect To The Wg102 To Configure It

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 I cannot connect to the WG102 to configure it. Check these items: • The WG102 is properly installed, LAN connections are OK, and it is powered on. Check that the LAN port LED is on (amber indicating a 10 Mbps Ethernet connection or green indicating a 100 Mbps Ethernet connection) to verify that the Ethernet connection is OK.

  • Page 82: Using The Reset Button To Restore Factory Default Settings

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Using the Reset Button to Restore Factory Default Settings The Reset button (see “WG102 rear panel” on page 2-7) has two functions: • Reboot. When pressed and released quickly, the WG102 will reboot (restart).

  • Page 83: Appendix A Specifications

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Appendix A Specifications This appendix provides technical specifications for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point. Specifications for the WG102 Parameter NETGEAR WG102 ProSafe 802.11g Wireless Access Point...
  • Page 84 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Parameter NETGEAR WG102 ProSafe 802.11g Wireless Access Point 802.11b and g 802.11b mode, 1 to 11Mbps: +19 dBm* Typical Maximum 802.11g mode, 6 to 24 Mbps: +18 dBm* Transmit Power 802.11g mode, 36/48/54 Mbps: +17/16/15 dBm*...

  • Page 85: Wireless Networking Basics

    Appendix B Wireless Networking Basics This chapter provides an overview of Wireless networking. Wireless Networking Overview The WG102 Access Point conforms to the Institute of Electrical and Electronics Engineers (IEEE) 802.11b and 802.11g standards for wireless LANs (WLANs). On an 802.11b or g wireless link, data is encoded using direct-sequence spread-spectrum (DSSS) technology and is transmitted in the unlicensed radio spectrum at 2.5GHz.

  • Page 86: Ad Hoc Mode (Peer-To-Peer Workgroup

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Ad Hoc Mode (Peer-to-Peer Workgroup) In an ad hoc network, computers are brought together as needed; thus, there is no structure or fixed points to the network - each node can generally communicate with any other node. There is no Access Point involved in this configuration.

  • Page 87: 802.11 Authentication

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • Shared Key. With Shared Key authentication, only those PCs that possess the correct authentication key can join the network. By default, IEEE 802.11 wireless devices operate in an Open System network.

  • Page 88: Shared Key Authentication

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 The access point authenticates the station. The station associates with the access point and joins the network. This process is illustrated below. Figure B-1: Open system authentication Shared Key Authentication The following steps occur when two devices use Shared Key Authentication: The station sends an authentication request to the access point.

  • Page 89: Overview Of Wep Parameters

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 This process is illustrated below. Figure B-2: Shared key authentication Overview of WEP Parameters Before enabling WEP on an 802.11 network, you must first consider what type of encryption you require and the key size you want to use.

  • Page 90: Key Size

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Key Size The IEEE 802.11 standard supports two types of WEP encryption: 40-bit and 128-bit. The 64-bit WEP data encryption method allows for a five-character (40-bit) input. Additionally, 24 factory-set bits are added to the forty-bit input to generate a 64-bit encryption key.

  • Page 91: Wep Configuration Options

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 WEP Configuration Options The WEP settings must match on all 802.11 devices that are within the same wireless network as identified by the SSID. In general, if your mobile clients will roam between access points, then all of the 802.11 access points and all of the 802.11 client adapters on the network must have the same...

  • Page 92: Wpa And Wpa2 Wireless Security

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Table B-2: 802.11b/g Radio Frequency Channels Channel Center Frequency Frequency Spread 2427 MHz 2414.5 MHz - 2439.5 MHz 2432 MHz 2419.5 MHz - 2444.5 MHz 2437 MHz 2424.5 MHz - 2449.5 MHz 2442 MHz 2429.5 MHz - 2454.5 MHz...

  • Page 93: How Does Wpa Compare To Wep

    The Wi-Fi Alliance is now performing interoperability certification testing on Wi-Fi Protected Access products. Starting August of 2003, all new Wi-Fi certified products have to support WPA. NETGEAR is implementing WPA and WPA2 on client and access point products. The 802.11i standard was ratified in 2004.

  • Page 94: How Does Wpa Compare To Wpa2 (Ieee 802.11I

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 How Does WPA Compare to WPA2 (IEEE 802.11i)? WPA is forward compatible with the WPA2 security specification. WPA is a subset of WPA2 and used certain pieces of the early 802.11i draft, such as 802.1x and TKIP. The main pieces of WPA2 that are not included in WPA are secure IBSS (Ad-Hoc mode), secure fast handoff (for specialized 802.11 VoIP phones), as well as enhanced encryption protocols, such as AES-CCMP.
  • Page 95 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 The primary information conveyed in the Beacon frames is the authentication method and the cipher suite. Possible authentication methods include 802.1X and Pre-shared key. Pre-shared key is an authentication method that uses a statically configured pass phrase on both the stations and the access point.

  • Page 96: Wpa/Wpa2 Authentication: Enterprise-Level User Authentication Via 802.1X/Eap And Radius

    WPA supports Extensible Authentication Protocol (EAP). For environments without a RADIUS infrastructure, WPA supports the use of a pre-shared key. Together, these technologies provide a framework for strong user authentication. Windows XP implements 802.1x natively, and several NETGEAR switch and wireless access point products support 802.1x. B-12...
  • Page 97 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Figure B-4: 802.1x Authentication Sequence In the illustration above, the Supplicant could be a WPA/WPA2-enabled wireless adapter with supplicant software, the Authenticator would be a WPA/WPA2-enabled AP, and the Authenticating Server would be a RADIUS server.

  • Page 98: Wpa/Wpa2 Data Encryption Key Management

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 The authentication server uses a specific authentication algorithm to verify the client's identity. This could be through the use of digital certificates or some other EAP authentication type. The authentication server will either send an accept or reject message to the access point.

  • Page 99: Is Wpa/Wpa2 Perfect

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 • The verification of the security configuration after the encryption keys are determined. • The synchronized changing of the unicast encryption key for each frame. • The determination of a unique starting unicast encryption key for each preshared key authentication.

  • Page 100: Product Support For Wpa/Wpa2

    Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Product Support for WPA/WPA2 Starting in August, 2003, NETGEAR, Inc. wireless Wi-Fi certified products will support the WPA standard. NETGEAR, Inc. wireless products that had their Wi-Fi certification approved before August, 2003 will have one year to add WPA so as to maintain their Wi-Fi certification.
  • Page 101 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Changes to Wireless Access Points Wireless access points must have their firmware updated to support the following: • The new WPA/WPA2 information element To advertise their support of WPA/WPA2, wireless APs send the beacon frame with a new 802.11 WPA/WPA2 information element that contains the wireless AP's security configuration...
  • Page 102 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Microsoft has worked with many wireless vendors to embed the WPA driver update in the wireless adapter driver. So, to update your Microsoft Windows wireless client, all you have to do is obtain the new WPA/WPA2-compatible driver and install the driver.
  • Page 103 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Glossary Use the list below to find definitions for technical terms used in this manual. 802.11 Standard 802.11, or IEEE 802.11, is a type of radio technology used for wireless local area networks (WLANs). It is a standard that has been developed by the IEEE (Institute of Electrical and Electronic Engineers), http://standards.ieee.org.
  • Page 104 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 The purpose of 11d is to add features and restrictions to allow WLANs to operate within the rules of these countries. Equipment manufacturers do not want to produce a wide variety of country-specific products and users that travel do not want a bag full of country-specific WLAN PC cards.
  • Page 105 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Access Point (AP) A wireless LAN transceiver or "base station" that can connect a wired LAN to one or many wireless devices. Access points can also bridge to each other.
  • Page 106 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 for cables or wires. Bluetooth is a frequency-hopping technology in the 2.4 GHz frequency spectrum, with a range of 30 feet and up to 11Mbps raw data throughput. Bridge A product that connects a local area network (LAN) to another local area network that uses the same protocol (for example, wireless, Ethernet or token ring).
  • Page 107 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 CSMA-CD (Carrier Sense Multiple Action/Collision Detection) A method of managing traffic and reducing noise on an Ethernet network. A network device transmits data after detecting that a channel is available. However, if two devices transmit data simultaneously, the sending devices detect a collision and retransmit after a random time delay.
  • Page 108 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 ESSID (more commonly referred to as SSID – Short Set Identifier) The identifying name of an 802.11 wireless network. When you specify your correct ESSID in your client setup you ensure that you connect to your wireless network rather than another network in range. (See SSID.) The ESSID can be called by different terms, such as Network Name, Preferred Network, SSID or...
  • Page 109 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 IEEE (Institute of Electrical and Electronics Engineers) A membership organization (www.ieee.org) that includes engineers, scientists and students in electronics and allied fields. It has more than 300,000 members and is involved with setting standards for computers and communications.
  • Page 110 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 MAC (Media Access Control) Every wireless 802.11 device has its own specific MAC address hard-coded into it. This unique identifier can be used to provide security for wireless networks. When a network uses a MAC table, only the 802.11 radios that have had their MAC addresses added to that network's MAC table will be able to get onto the network.
  • Page 111 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 NIC (Network Interface Card) A type of PC adapter card that either works without wires (Wi-Fi) or attaches to a network cable to provide two-way communication between the computer and network devices such as a hub or switch. Most office wired NICs operate at 10 Mbps (Ethernet), 100 Mbps (Fast Ethernet) or 10/100 Mbps dual speed.
  • Page 112 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Range The distance away from your access point that your wireless network can reach. Most Wi-Fi systems will provide a range of a hundred feet or more. Depending on the environment and the type of antenna used,...
  • Page 113 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Site survey The process whereby a wireless network installer inspects a location prior to putting in a wireless network. Site surveys are used to identify the radio- and client-use properties of a facility so that access points can be optimally placed.
  • Page 114 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 TCP/IP The underlying technology behind the Internet and communications between computers in a network. The first part, TCP, is the transport part, which matches the size of the messages on either end and guarantees that the correct message has been received.
  • Page 115 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 As a recent development, the debate over the legality of warchalking is still going on. The practice stems from the U.S. Depression-era culture of wandering hobos who would make marks outside of homes to indicate to other wanderers whether the home was receptive to drifters or was inhospitable.
  • Page 116 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 does not offer. With this feature, WPA provides roughly comparable security to VPN tunneling with WEP, with the benefit of easier administration and use. This is similar to 802.1x support and requires a RADIUS server in order to implement.
  • Page 117 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 secure transmission and authentication is particularly important to users unknown to each other. The authentication capability defined in the specification enables a secure access control mechanism for the service providers and for mobile users not utilizing VPN connections.
  • Page 118 Reference Manual for the NETGEAR ProSafe 802.11g Wireless Access Point WG102 Glossary 202-10064-02, June 2005...

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