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NETGEAR WG102 Reference Manual

Prosafe 802.11g wireless access point
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Download this manual See also: Reference Manual, Configuration Manual
Reference Manual for the
NETGEAR WG102 ProSafe
802.11g Wireless Access
Point
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
Phone 1-888-NETGEAR
October 2004
October 2004

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Summary of Contents for NETGEAR WG102

  • Page 1 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point NETGEAR, Inc. 4500 Great America Parkway Santa Clara, CA 95054 USA Phone 1-888-NETGEAR October 2004 October 2004...

  • Page 2: 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 3: Fcc Statement

    This equipment generates, uses, and can radiate radio We Netgear, 4500 Great America Parkway Santa Clara, CA 95054, USA Tel: +1 408 907 8000 WG102 (Model Designation) complies with Part 15 of FCC Rules. October 2004...
  • Page 4 frequency energy and, if not installed and used in accordance with 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 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 5 Antenna Statement for North America and Australia In addition to its own antenna, the WG102 device has been approved for use with the following detachable antennas and antenna cables: Approved Antenna Gain Antennas and type NETGEAR 18 dBi, directional ANT24D18...
  • Page 6 Canadian regulations. For further information, contact your local Industry Canada office. Europe - EU Declaration of Conformity A printed copy of the EU Declaration of Conformity certificate for this product is provided in the WG102 product package. 0681 This device is a 2.4/5.0 GHz dual band low power RF device intended for home and office use in EU and EFTA member...
  • Page 7 Compliance with the applicable regulations is dependent upon the use of shielded cables. It is the responsibility of the user to procure the appropriate cables. Requirements For Operation in the European Community Countries of Operation & Conditions of Use in the European Community This device is intended to be operated in all countries of the European Community.

  • Page 8: Declaration Of Conformity In Languages Of The European Community

    Hierbij verklaart NETGEAR Inc. dat het toestel Radio LAN device in overeenstemming is met de essentiële eisen en de andere relevante bepalingen van richtlijn 1999/5/EG Bij deze NETGEAR Inc. dat deze Radio LAN device voldoet aan de essentiële eisen en aan de overige relevante bepalingen van Richtlijn 1999/5/EC.
  • Page 9 The antenna cable type and length must comply with European regulations. Refer to the table below for approved antenna and cable accessories. In addition to its own antenna, the WG102 device has been approved for use with the following detachable antennas and antenna cables:...
  • Page 10 equipment (for example, test transmitters) in accordance with the regulations may, however, be subject to certain restrictions. Please refer to the notes in the operating instructions. Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market and has been granted the right to test the series for compliance with the regulations.

  • Page 11: Table Of Contents

    Default Factory Settings ...3-3 Understanding WG102 Wireless Security Options ...3-4 Installing the WG102 Access Point ...3-5 How to Log In to the WG102 Using Its Default IP Address ... 3-11 Understanding Basic Wireless Settings ...3-12 Understanding WEP/WPA Security Options ...3-14 Before You Change the SSID and WEP Settings ...3-17...
  • Page 12 Hotspot Settings ...5-1 Configuring Advanced Wireless Settings ...5-2 AP Settings: Enabling Wireless Bridging and Repeating ...5-3 How to Configure a WG102 as a Point-to-Point Bridge ...5-4 How to Configure Multi-Point Wireless Bridging ...5-5 How to Configure Wireless Repeating ...5-7 Chapter 6 Troubleshooting No lights are lit on the access point.
  • Page 13 Appendix B Wireless Networking Basics Wireless Networking Overview ... B-1 Infrastructure Mode ... B-1 Ad Hoc Mode (Peer-to-Peer Workgroup) ... B-2 Network Name: Extended Service Set Identification (ESSID) ... B-2 Authentication and WEP Data Encryption ... B-2 802.11 Authentication ... B-3 Open System Authentication ...
  • Page 14 Contents October 2004...

  • Page 15: About This Manual

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Congratulations on your purchase of the NETGEAR WG102 ProSafe 802.11g Wireless Access Point. The WG102 provides connection for multiple personal computers to the Internet through an external broadband access device (such as a cable modem or DSL modem).

  • Page 16: How To Use This Manual

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point How to Use this Manual The HTML version of this manual includes a variety of navigation features as well as links to PDF versions of the full manual and individual chapters.

  • Page 17: How To Print This Manual

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point How to Print this Manual To print this manual, choose one of the following options. • Printing a “How To” Sequence of Steps in the HTML View. Use the Print button the upper right of the toolbar to print the currently displayed topic.
  • Page 18 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point About This Manual October 2004...

  • Page 19: 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 20: Key Features

    • DHCP Client Support. DHCP provides a dynamic IP address to PCs and other devices upon request. The WG102 can act as a client and obtain information from your DHPC server. • SNMP Support. Support for Simple Network Management Protocol (SNMP) Management Information Base (MIB) management.

  • Page 21: 802.11G Standards-Based Wireless Networking

    Configuration Backup. Configuration settings can be backed up to a file and restored. • 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.

  • Page 22: Compatible And Related Netgear Products

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point The wireless access point incorporates Auto Uplink automatically sense whether the Ethernet cable plugged into the port should have a ‘normal’ connection such as to a computer or an ‘uplink’ connection such as to a switch or hub. That port will then configure itself to the correct configuration.

  • Page 23: What's In The Box

    You should keep the Support Information card, along with the original packing materials, and use the packing materials to repack the WG102 if you need to return it for repair. To qualify for product updates and product warranty registrations, we encourage you to register on the NETGEAR Web site at: http://www.NETGEAR.com.

  • Page 24: Hardware Description

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Hardware Description The NETGEAR WG102 ProSafe 802.11g Wireless Access Point front and rear hardware functions are described below. The WG102 Access Point provides four status LEDs. NEED PRODUCT PHOTO...
  • Page 25 WG102 to the factory default settings. • RJ-45 Ethernet Port Use the WG102 Ethernet RJ-45 port to connect to an Ethernet LAN through a device such as a hub, switch, router, or POE switch. • Power Socket...

  • Page 26: Basic Installation And Configuration

    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 27: Cabling Requirements

    WEP connections can take slightly longer to establish. Also, WEP encryption can consume more battery power on a notebook computer. Cabling Requirements The WG102 Access Point connects to your LAN via twisted-pair Category 5 Ethernet cable with RJ-45 connectors. Basic Installation and Configuration “Specifications”.

  • Page 28: Default Factory Settings

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 29: 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. Deploy the security features appropriate to your needs.

  • Page 30: Installing The Wg102 Access Point

    WG102 A ET UP THE Tip: Before mounting the WG102 in a high location, first set up and test the WG102 to verify wireless network connectivity. Prepare a computer with an Ethernet adapter. If this computer is already part of your network, record its TCP/IP configuration settings.
  • Page 31 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point ONFIGURE Configure the WG102 Ethernet port for LAN access. • Connect to the WG102 by opening your browser and entering the address field. A login window like the one shown below opens:...
  • Page 32 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point • 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 33 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point • Click the Basic Settings link to view the Basic Settings menu. Figure 3-4: Basic Settings menu • Configure the settings appropriate for your network. Basic Installation and Configuration...
  • Page 34 Now that you have finished the setup steps, you are ready to deploy the WG102 in your network. If needed, you can now reconfigure the computer you used in step 1 back to its original TCP/IP settings.
  • Page 35 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Note: By default, WG102 is set to with the DHCP client disabled. If your network uses dynamic IP addresses, you will need to change this setting. Connect the power adapter to the wireless access point and plug the power adapter in to a power outlet.

  • Page 36: How To Log In To The Wg102 Using Its Default Ip Address

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 37: Understanding Basic Wireless Settings

    The Basic 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 38 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point – Using the same SSID is essential. Devices with different SSIDs are unable to communicate with each other. However, some access points allow connections from wireless stations which have their SSID set to “any” or whose SSID is blank (null).

  • Page 39: Understanding Wep/Wpa Security Options

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point – In “Infrastructure” mode, wireless stations normally scan all channels, looking for an access point. If more than one access point can be used, the one with the strongest signal is used.
  • Page 40 Network You can select the following network authentication options: Authentication • Open System: the WG102 does not perform any authentication. However, if the 802.1x option is configured, authentication of connections can be performed by a RADIUS server. • Shared: this is for shared key authentication. The SSID and data are encrypted.
  • Page 41 Enter the port number used for connections to the Radius Server. • Radius Shared Key Enter the desired value for the Radius shared key. This key enables the WG102 to log in to the Radius server and must match the value used on the Radius server.

  • Page 42: 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. Note: The SSID in the wireless access point is the SSID you configure in the wireless adapter card.

  • Page 43: How To Set Up And Test Basic Wireless Connectivity

    Program the wireless adapter of your PCs to have the same SSID and channel that you configured in the WG102. Check that they have a wireless link and are able to obtain an IP address by DHCP from the WG102.

  • Page 44: How To Restrict Wireless Access By Mac Address

    LAN address and password you have set up. Note: When configuring the WG102 from a wireless computer whose MAC address is not in the access control list, if you select Turn Access Control On, you will lose your wireless connection when you click Apply.

  • Page 45: How To Configure Wep

    If you choose Local MAC Address Database, either select from the list of available wireless cards the WG102 has found in your area, or enter the MAC address and device name for a device you plan to use. You can usually find the MAC address printed on the wireless adapter.

  • Page 46: How To Configure Wpa

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point • Manual - enter ten hexadecimal digits (any combination of 0-9, a-f, or A-F) Select which of the four keys will be the default. “Overview of WEP Parameters” on page B-5 options, as defined by the IEEE 802.11 wireless communication standard.
  • Page 47 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Figure 3-11: Wireless Settings menu Enter the Radius settings. Click Apply to save your settings. Click WEP/WPA Settings in the Security menu. Figure 3-12: Wireless Settings menu Choose WPA with Radius from the list.

  • Page 48: How To Configure Wpa-Psk

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 49: Using The Basic Ip Settings Options

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Using the Basic IP Settings Options The Basic IP Settings menu is under the Basic heading of the main menu. Use this menu to configure DHCP, static IP, and access point access point name settings.
  • Page 50 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point If your network has a requirement to use a different IP addressing scheme, you can make those changes in this menu. These settings are only required if the “Use this IP address” radio button is chosen.

  • Page 51: Using Syslog And Activity Log Information

    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 52: Viewing General, Log, Station, And Statistical Information

    PC, click Save As and save the file to a disk drive. Viewing General, Log, Station, and Statistical Information The General information screen provides a summary of the current WG102 configuration settings. From the main Menu of the browser interface, click General to view the System Status screen, shown below.
  • Page 53 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Table 4-1. General Information Fields Field Access Point Information Access Point Name (NetBIOS name) MAC Address Country/Region Firmware Version Access Point Mode Current IP Settings IP Address Subnet Mask...

  • Page 54: Statistics

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 55: Viewing A List Of Attached Devices

    The firmware upgrade must be performed via a workstation connected to the WG102 via the Ethernet LAN interface. 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.

  • Page 56: Configuration File Management

    In some cases, you may need to reconfigure the wireless access point after upgrading. Configuration File Management The WG102 Access Point settings are stored in the wireless access point in a configuration file. This file can be saved (backed up) to a user’s computer, retrieved (restored) from the user’s computer, or cleared to factory default settings.

  • Page 57: Saving And Retrieving The Configuration

    Hold the Reset Button down while you Power On the WG102 for 5 seconds. Continue holding the Reset Button until the LEDs blink twice. Release the Reset Button. The factory default configuration has now been restored, and the WG102 is ready for use. Management October 2004...

  • Page 58: Changing The Administrator Password

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 59: Using Snmp Remote Management

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 60 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 4-10 Management October 2004...

  • Page 61: 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. • Access Point Settings: Enable wireless bridging and repeating.

  • Page 62: Configuring Advanced Wireless Settings

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Configuring Advanced Wireless Settings The default advanced wireless LAN parameter settings usually work well. If you want the AP to operate in Supger-G mode, use this feature. Figure 5-2: Advanced Wireless Settings screen The table below describes the advanced wireless parameters.

  • Page 63: Ap Settings: Enabling Wireless Bridging And Repeating

    — In this mode, the WG102 will communicate with another bridge-mode wireless station. — In addition, you have the option of enabling client associations with this WG102. — You must enter the MAC address of the other bridge-mode wireless station in the field provided.

  • Page 64: How To Configure A Wg102 As A Point-To-Point Bridge

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point — 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 65: How To Configure Multi-Point Wireless Bridging

    Figure 5-5: 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. The MAC addresses of AP2 and AP3 are required in AP1.
  • Page 66 All APs must be on the same LAN. That is, all the APs LAN IP address must be in the same network. • 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 67: How To Configure Wireless Repeating

    All APs must be on the same LAN. That is, all the APs LAN IP address must be in the same network. • 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 68 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point • A computer on any LAN segment should be able to connect to the Internet or share files and printers with any other PCs or servers connected to any of the three WLAN segments.

  • Page 69: 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 Troubleshooting 3-5.

  • Page 70: The Wireless Lan Activity Light Does Not Light Up

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point The Wireless LAN activity light does not light up. The access point’s antennae are not working. • If the Wireless LAN activity light stays off, disconnect the adapter from its power source and then plug it in again.

  • Page 71: I Cannot Connect To The Wg102 To Configure It

    • If you are using the NetBIOS name of the WG102 to connect, ensure that your computer and the WG102 are on the same network segment or that there is a WINS server on your network. • If your computer is set to “Obtain an IP Address automatically” (DHCP client), restart it.
  • Page 72 Use something with a small point, such as a pen, to press the Reset button in and hold it in for at least 5 seconds. Release the Reset button. The factory default configuration has now been restored, and the WG102 is ready for use. October 2004 Troubleshooting...

  • Page 73: Appendix A Specifications

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point This appendix provides technical specifications for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point. Specifications for the WG102 Parameter Network Management Web-based configuration and status monitoring Maximum Clients Limited by the amount of wireless network traffic generated by each node;...
  • Page 74 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Parameter 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* *Note: Maximum transmit power varies based on country or region selection to ensure local regulatory compliance.

  • Page 75: 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 76: Ad Hoc Mode (Peer-To-Peer Workgroup

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 77: 802.11 Authentication

    The 802.11 standard defines several services that govern how two 802.11 devices communicate. The following events must occur before an 802.11 Station can communicate with an Ethernet network through an access point, such as the one built in to the WG102: Turn on the wireless station.

  • Page 78: Shared Key Authentication

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point The access point authenticates the station. The station associates with the access point and joins the network. This process is illustrated below. 802.11b Authentication Open System Steps 1) Authentication request sent to AP...

  • Page 79: Overview Of Wep Parameters

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 802.11b Authentication Shared Key Steps 1) Authentication request sent to AP 2) AP sends challenge text Client 3) Client encrypts attempting challenge text and to connect sends it back to AP...

  • Page 80: Key Size

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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. The 24 factory-set bits are not user-configurable).

  • Page 81: Wep Configuration Options

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 82: Wpa Wireless Security

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Table B-2: 802.11b/g Radio Frequency Channels Channel Center Frequency 2427 MHz 2432 MHz 2437 MHz 2442 MHz 2447 MHz 2452 MHz 2457 MHz 2462 MHz 2467 MHz 2472 MHz Note: The available channels supported by the wireless products in various countries are different.

  • Page 83: How Does Wpa Compare To Wep

    Access products. Starting August of 2003, all new Wi-Fi certified products will have to support WPA. NETGEAR will implement WPA on client and access point products and make this available in the second half of 2003. Existing Wi-Fi certified products will have one year to add WPA support or they will lose their Wi-Fi certification.

  • Page 84: How Does Wpa Compare To Ieee 802.11I

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point How Does WPA Compare to IEEE 802.11i? WPA will be forward compatible with the IEEE 802.11i security specification currently under development. WPA is a subset of the current 802.11i draft and uses certain pieces of the 802.11i draft that are ready to bring to market today, such as 802.1x and TKIP.
  • Page 85 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point 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 86: Wpa Authentication: Enterprise-Level User Authentication Via 802.1X/Eap And Radius

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point WPA Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS Wireless LAN WPA enabled Access Point enabled wireless pre-shared key client with “supplicant” 802.1x Figure B-3: WPA Overview IEEE 802.1x offers an effective framework for authenticating and controlling user traffic to a protected network, as well as providing a vehicle for dynamically varying data encryption keys via EAP from a RADIUS server, for example.
  • Page 87 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Client with a WPA- enabled wireless adapter and supplicant (Win XP, Funk, Meetinghouse) Figure B-4: 802.1x Authentication Sequence The AP sends Beacon Frames with WPA information element to the stations in the service set.

  • Page 88: Wpa Data Encryption Key Management

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point The client sends an EAP-response packet containing the identity to the authentication server. The access point responds by enabling a port for passing only EAP packets from the client to an authentication server located on the wired side of the access point.
  • Page 89 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Temporal Key Integrity Protocol (TKIP) WPA uses TKIP to provide important data encryption enhancements including a per-packet key mixing function, a message integrity check (MIC) named Michael, an extended initialization vector (IV) with sequencing rules, and a re-keying mechanism.

  • Page 90: Is Wpa Perfect

    Product Support for WPA 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 91: Changes To Wireless Access Points

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Changes to Wireless Access Points Wireless access points must have their firmware updated to support the following: • The new WPA information element To advertise their support of WPA, wireless APs send the beacon frame with a new 802.11 WPA information element that contains the wireless AP's security configuration (encryption algorithms and wireless security configuration information).

  • Page 92: Changes To Wireless Client Programs

    Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Microsoft has worked with many wireless vendors to embed the WPA firmware update in the wireless adapter driver. So, to update your Microsoft Windows wireless client, all you have to do is obtain the new WPA-compatible driver and install the driver.

  • Page 93: Glossary

    Glossary Use the list below to find definitions for technical terms used in this manual. 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet over twisted pair wiring. 100BASE-Tx IEEE 802.3 specification for 100 Mbps Ethernet over twisted pair wiring. 802.1x 802.1x defines port-based, network access control used to provide authenticated network access and automated data encryption key management.
  • Page 94 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point also Reverse ARP (RARP) which can be used by a host to discover its IP address. In this case, the host broadcasts its physical address and a RARP server replies with the host's IP address.
  • Page 95 .com, .edu, .uk, etc. For example, in the address mail.NETGEAR.com, mail is a server name and NETGEAR.com is the domain. Short for digital subscriber line, but is commonly used in reference to the asymmetric version of this technology (ADSL) that allows data to be sent over existing copper telephone lines at data rates of from 1.5...
  • Page 96 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point IP Address A four-byte number uniquely defining each host on the Internet, usually written in dotted-decimal notation with periods separating the bytes (for example, 134.177.244.57). Ranges of addresses are assigned by Internic, an organization formed for this purpose.
  • Page 97 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point NetBIOS for sharing services Network Basic Input Output System. An application programming interface (API) and information on l ocal-area networks (LANs). Provides for communication between stations of a network where each station is given a name. These names are alphanumeric names, 16 characters in length.
  • Page 98 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point This is typically the configuration parameter for a wireless PC card. It corresponds to the ESSID in the wireless Access Point and to the wireless network name. See also Wireless Network Name and ESSID.
  • Page 99 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point WINS WINS. Windows Internet Naming Service is a server process for resolving Windows-based computer names to IP addresses. Wireless Network Name (SSID) Wireless Network Name (SSID) is the name assigned to a wireless network. This is the same as the SSID or ESSID configuration parameter.
  • Page 100 Reference Manual for the NETGEAR WG102 ProSafe 802.11g Wireless Access Point Glossary October 2004...
  • Page 101 Numerics 802.11b B-1 ad-hoc mode B-2 Auto MDI/MDI-X C-2 Auto Uplink 2-4, C-2 Basic Wireless Connectivity 3-18 Basic Wireless Settings 3-9, 3-12, 3-14 BSSID B-2 Carrier Sense Multiple Access with Collision Avoidance 5-2 Carrier Sense Multiple Access with Collision Detection 5-2 Cat5 cable C-2 configuration erasing 4-7...
  • Page 102 WEP B-3 Wi-Fi B-1 Wired Equivalent Privacy. See WEP Wireless Ethernet B-1 Wireless Network Name 3-12, 4-3 Wireless Security 3-4 Index...

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