7.
CONTENTS ABOUT THIS GUIDE Conventions 2 Related Documentation 4 Accessing Online Documentation Product Registration and Support 1 4 5 INTRODUCTION Product Features 7 Security 7 Wireless Network Standards 8 Network Configuration and Planning Example Configurations 10 2 9 INSTALLING THE ETHERNET ADAPTER Unpacking the Ethernet Adapter 11 Observing Safety Precautions 12 Deciding Where to Place the Ethernet Adapter 13 Wall-Mounting the Ethernet Adapter 13 Connecting the Ethernet Adapter 15 Connecting to a
3 CONFIGURING THE ETHERNET ADAPTER Using Secure Web Server Connection 25 Using the Enterasys Networks Wireless Infrastructure Device Manager Using the Configuration Management System 29 Clearing and Applying System Configuration Settings 30 Changing System Properties 31 Setting IP Network Properties 32 Setting Wireless Network Properties 33 Manually Selecting Radio Channels 35 Setting Up an Ad-Hoc Network 35 Changing Wireless Security Settings 36 Changing RADIUS Settings 39 Changing SNMP Settings 40 Using
END USER LICENSE AGREEMENT REGULATORY INFORMATION
ABOUT THIS GUIDE This guide provides all the information you need to install and use the Enterasys Networks 11a/b/g Wireless Ethernet Adapter in its default state. The guide is intended for use by IT managers and experienced network installation and administration professionals who have a basic knowledge of current networking concepts. If the information in the release notes that are shipped with your product differ from the information in this guide, follow the instructions in the release notes.
2 ABOUT THIS GUIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. Table 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, system, or device. Achtung: Verweist auf wichtige Informationen zum Schutz gegen Beschadigungen. Warning Information that alerts you to potential personal injury.
Conventions 3 Table 2 Text Conventions (continued) Convention Words in italics Description Italics are used to: ■ ■ ■ Emphasize a point. Denote a new term at the place where it is defined in the text. Identify menu names, menu commands, and software button names. Examples: From the Help menu, select Contents. Click OK.
4 ABOUT THIS GUIDE Related Documentation Accessing Online Documentation In addition to this guide, each Ethernet Adapter documentation set includes the following: ■ Quick Start Guide—printed guide that describes basic installation. ■ Online Help—product help systems that describe how to use the Configuration Management System and Enterasys Networks Wireless Infrastructure Device Manager. ■ Release Note—printed note that describes important product information. ■ README.
Product Registration and Support Product Registration and Support 5 To register your product with Enterasys Networks, go to the following Web page: http://www.enterasys.com/support For support information, see “Obtaining Support for Your Enterasys Networks Product” on page 55 or log on to the Enterasys Networks Web site at http://www.enterasys.com/products/wireless and navigate to the product support page.
6 ABOUT THIS GUIDE
1 INTRODUCTION Enterasys Networks wireless technology has all of the benefits of a local area network (LAN) without the constraints and expense of network wiring. Enterasys Networks 11a/b/g Wireless LAN products provide easy, affordable, flexible ways to extend wireless networks to more users. This guide shows how you can use the Enterasys Networks 11a/b/g Wireless Ethernet Adapter in your office or classroom to connect groups of wired Ethernet client devices to your wireless LAN.
8 CHAPTER 1: INTRODUCTION Wireless Network Standards Understanding the characteristics of the 802.11a and 802.11g standards can help you make the best choice for your wireless implementation plans. 802.11a Ratified in 2002, 802.11a is IEEE’s more recent wireless standard. It operates at the 5 GHz band and supports data rates at up to 54 Mbps. Because there are fewer devices in the 5 GHz band, there’s less potential for RF interference.
Network Configuration and Planning 9 Consider 802.11g when you need wider coverage and vendor compatibility and you are: Network Configuration and Planning ■ Maintaining support for existing 802.11b users and the existing wireless investment while providing for expansion into 802.11g. ■ Implementing a complete wireless LAN solution, including Ethernet Adapters, gateways, access points and clients; Wi-Fi certification guarantees compatibility among vendors.
10 CHAPTER 1: INTRODUCTION Example Configurations The following examples illustrate ways you can use the Ethernet Adapter to configure Ethernet client devices into workgroups. (Details for setting up specific configurations are in “Installing the Ethernet Adapter” on page 11.) Wireless Infrastructure Network You can connect several computers, including those with non-Windows operating systems, and network printers, as shown in Figure 1.
2 INSTALLING THE ETHERNET ADAPTER This chapter contains the information you need to install and set up the Ethernet Adapter.
12 CHAPTER 2: INSTALLING THE ETHERNET ADAPTER Figure 3 shows the front view of the Ethernet Adapter, including the LEDs and connecting ports. It also shows the cradle, which is used to mount the Ethernet Adapter to a wall or to install the Ethernet Adapter on a flat surface.
Deciding Where to Place the Ethernet Adapter 13 (Canadian Standards Organisation), IEC (International Electrotechnical Commission) oder von anderen, nationalen oder internationalen Sicherheitsvorschriften für das entsprechende Land zugelassen wurde. Alle Verweise auf Netzteile in diesem Dokument beziehen sich auf Netzgeräte, die diesen Anforderungen entsprechen.
14 CHAPTER 2: INSTALLING THE ETHERNET ADAPTER To wall-mount the Ethernet Adapter: 1 1 Place the two plastic anchors into a wall, then place two flat head mounting screws inside the plastic anchors, as shown in Figure 4. Figure 4 Place the screw on the wall 2 Place the Ethernet Adapter onto the wall, as shown in Figure 5. Figure 5 Place the unit onto the wall CAUTION: Do not place the Ethernet Adapter on any type of metal surface.
Connecting the Ethernet Adapter Connecting the Ethernet Adapter 15 The Ethernet Adapter has power, Ethernet, and serial ports, as shown in Figure 6. Before connecting the Ethernet Adapter to an Ethernet device, connect the power. Figure 6 Connecting the Power Power Cable Ethernet Cable Connecting to a Serial Device The Ethernet Adapter can also be connected to a serial device, as shown in Figure 7. Serial cables come with a variety of connector sizes.
16 CHAPTER 2: INSTALLING THE ETHERNET ADAPTER Connecting to an Ethernet Device The Ethernet Adapter is designed to be connected to an Ethernet client device such as a hub, computer, or printer.
Connecting the Ethernet Adapter Connecting to a Hub 17 You can supply network connections for up to 16 devices, such as computers and network printers, by connecting the Ethernet Adapter to an Ethernet hub, as shown in Figure 8. Figure 8 Connecting to a Hub Hub Access Point Uplink Port R POWE LESS WIRE RNET ETHE 11a/b/g Wireless Ethernet Adapter You can directly connect the Ethernet Adapter to a hub that does not have an uplink (MDIX) port, without the need of an Ethernet crossover cable.
18 CHAPTER 2: INSTALLING THE ETHERNET ADAPTER Connecting to a Computer You can connect the Ethernet Adapter directly to a computer through Ethernet as shown in Figure 10. Used this way, the Ethernet Adapter can convert a desktop computer to a wireless computer. This connection also allows you to configure a Ethernet Adapter before connecting it to another device.
Checking the LED Indicators 19 Table 3 LED Descriptions LED Color Indicates Power Green The Ethernet Adapter is powered up and operating normally. Off The Ethernet Adapter is not receiving power or there is a fault with the power supply. Green (solid) The Ethernet Adapter has an 802.11a 5 GHz radio band connection. 11a Green (blinking) The Ethernet Adapter has WLAN frame transmission over the 802.11a 5 GHz radio band. 11b/g Off No link is present.
20 CHAPTER 2: INSTALLING THE ETHERNET ADAPTER Attaching An External Antenna The Ethernet Adapter has two internal diversity dual-band antennas. If you want to increase the range of the Ethernet Adapter, an external antenna can be attached to the external antenna connector on the Ethernet Adapter. The Enterasys Networks-approved external antenna for this Ethernet Adapter is the Enterasys Networks 2.4/5 GHz Omnidirectional Workgroup Ethernet Adapter Antenna. For more information, go to http://www.
Determining if you Need to Configure the Ethernet Adapter 21 (Widman) included on the Enterasys Networks Installation CD to locate the Ethernet Adapter on the network and view its IP address. Alternatively, you can enter the Ethernet Adapter’s IP address into a web browser on a computer on the same subnet to view the Ethernet Adapter’s system status or change its configuration. See “Configuring the Ethernet Adapter” on page 25 for instructions.
22 CHAPTER 2: INSTALLING THE ETHERNET ADAPTER Ethernet Adapter Default Settings Table 4 shows the Ethernet Adapter configuration factory defaults. Table 4 Factory Default Settings Property Default Setting Device Name RoamAbout Ethernet Adapter - RBTSA Device Location None (blank) Country For U.S. version, United States and Canada For non-U.S.
Using the Enterasys Networks Installation CD Using the Enterasys Networks Installation CD 23 The Enterasys Networks Installation CD contains the following tools and utilities: ■ Enterasys Networks Wireless Infrastructure Device Manager—an administration tool that helps you select Enterasys Networks wireless LAN devices and launch their configurations in your Web browser.
24 CHAPTER 2: INSTALLING THE ETHERNET ADAPTER
3 CONFIGURING THE ETHERNET ADAPTER If the Ethernet Adapter configuration that was set at the factory does not meet your network requirements, or if you want to customize the settings, you can use these tools to change the configuration: Table 6 Configuration Tools Configuration Tool Description Enterasys Networks Wireless Infrastructure Device Manager (Widman) Helps you locate Enterasys Networks wireless LAN devices on the network, select a device and view its properties, and launch the device’s config
26 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Using the Enterasys Networks Wireless Infrastructure Device Manager The Enterasys Networks Wireless Infrastructure Device Manager (Widman) helps you locate Enterasys Networks wireless LAN devices on the network, select a device and view its properties, and launch the Configuration Management System in your Web browser. The Wireless Infrastructure Device Manager must be installed on a computer that: ■ Has a working Ethernet adapter.
Using the Enterasys Networks Wireless Infrastructure Device Manager 27 The tree lists all WLAN service areas on the network and expands to show the Enterasys Networks wireless LAN devices that are associated to each service area. Devices in a different subnet than your computer are identified with exclamation points (!). You can refresh this display by clicking Refresh. You should refresh the display, for example, after you change a device IP address.
28 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Figure 13 Wireless Infrastructure Device Manager Pre-IP Configuration 4 The next window prompts for an administrative password to allow the new IP address to be set. If this is the first time the device is being configured, leave the password field blank and click Next. The configuration main page appears in your Web browser. See “Using the Configuration Management System” on page 29 for details.
Using the Configuration Management System Using the Configuration Management System 29 The Enterasys Networks11a/b/g Wireless Ethernet Adapter Configuration Management System resides on the Ethernet Adapter and lets you configure the Ethernet Adapter through your Web browser. To use the Configuration Management System, the computer you are using to connect to the Ethernet Adapter must be located on the same subnet as the Ethernet Adapter.
30 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Table 8 Connection Status Page (continued) Current Channel The channel over which the Ethernet Adapter is communicating with clients. Varies Security The type of security for which the Ethernet Adapter is configured. Open System (no security) Rx Data Rate (Mbps) The most recent data reception rate. N/A Tx Data Rate (Mbps) The most recent data transmission rate.
Using the Configuration Management System Changing System Properties 31 Under System Configuration, click System Properties. The System Properties page displays the properties of the selected Ethernet Adapter. You can change properties by entering a value in a field (see Table 9). When you are finished, click Apply. Table 9 describes the properties. Table 9 System Properties Page Property Description Device Name This name appears in the System RoamAbout Ethernet Summary window.
32 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Table 9 System Properties Page (continued) Setting IP Network Properties Property Description Default Value Web GUI Protocol This setting allows users to enable the secure data exchange scheme over SSL during a configuration session. HTTP ■ HTTPS — enables SSL technology. ■ HTTP — disables SSL technology. Under System Configuration, click IP Network. The IP Network Properties page appears, where you can change the settings shown in Table 10.
Using the Configuration Management System Setting Wireless Network Properties 33 Under System Configuration, click Wireless Network. The Wireless Network Properties page appears, where you can select different wireless settings, as described in Table 11. When you are finished, click Apply. The Ethernet Adapter supports Dynamic and Static Turbo modes and boosts throughput up to 108 Mbps. The Dynamic Turbo mode allows automatic switching between normal and turbo modes without modification by the user.
34 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Table 11 Wireless Network Page (continued) Setting Description Wireless LAN Service Area Select Attach to any WLAN Service Area (ESSID) automatically to allow the Ethernet Adapter to associate with any access point without specifying the ESSID. In this mode, the Ethernet Adapter uses the ESSID of the access point with the best signal strength. This mode is not available when the network mode is Ad-hoc (Peer-to-Peer).
Using the Configuration Management System 35 Table 11 Wireless Network Page (continued) Setting Description Antenna Selection Select an antenna for the radio signal: ■ ■ Data Preamble Internal—this default setting should be used in most circumstances. External and one internal antenna—this setting automatically determines which antenna is best for sending packets to individually attached clients.
36 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER 1 Connect the first Ethernet Adapter to power and use the Ethernet cable to connect it to the computer. 2 Use the Enterasys Networks Wireless Infrastructure Device Manager to select the Ethernet Adapter and launch the Configuration Management System. 3 Under System Configuration, click Wireless Network. 4 In the Wireless Network page: a Locate the Network Mode field and select Ad-hoc (Peer-to-Peer).
Using the Configuration Management System 37 No Security (Open System) No encryption is used. Network communications could be intercepted by unintended recipients. 40/64-bit Shared Key (WEP) This option encrypts the wireless transmissions to protect data, but still allows communication among compatible wireless LAN clients and access points from third-party manufacturers that are Wi-Fi certified.
38 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER TKIP The Temporal Key Integrity Protocol (TKIP) option improves data encryption over WEP scheme by dynamically updating the encryption keys every 10,000 packets. TKIP provides per-packet key mixing, a message integrity check, and a re-keying mechanism. To use TKIP: 1 On the Wireless Security page, select TKIP. 2 Select WPA-PSK for home network or WPA for the scenarios where RADIUS servers are employed: ■ WPA-PSK: Enter a pass-phrase key or hexadecimal key.
Using the Configuration Management System Changing RADIUS Settings 39 Under System Configuration, click RADIUS. The RADIUS page appears, where you can set the primary and secondary RADIUS Server settings. This page allows for configuration of a Remote Access Dial-in User Service (RADIUS) server for authentication purposes in 802.1x networks. You can change the settings by entering values in the fields as described in Table 12. When you are finished, select Apply.
40 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Changing SNMP Settings Under System Configuration, click SNMP to display and change settings for the Simple Network Management Protocol. To communicate with the Ethernet Adapter, the SNMP agent must first be enabled and the Network Management Station must submit a valid community string for authentication. Select SNMP Enable and enter data into the fields as described below. When you are finished, click Apply.
Using the Configuration Management System 41 CAUTION: With the Allow option of the System Default Mode selected, the Ethernet Adapter allows all Ethernet frames except those carrying the MAC addresses that are specified in the Access Control List and have the permission type Deny.
42 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Serial Port Under System Configuration, click Serial Port to set up network serial port operation. About UART A Universal Asynchronous Receiver/Transmitter (UART) is the fundamental hardware for serial communication, controlling the speed and method of data transfer of the serial port. Applications utilizing a network serial port between an RS-232 interface and a wireless device use a TCP/IP socket connection.
Using the Configuration Management System 43 Configuring UART Settings For proper operation, it is imperative that these settings always match the settings of the device to which the Ethernet Adapter is connected via the RS-232 port. There are two groups of parameters that need to be configured to accomplish this task: UART Settings and Flow Control Settings.
44 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER After configuring the port mode, you also need to configure the following options: ■ Line Length – As data arrives on the serial port it is accumulated in a buffer in the Ethernet Adapter. The Line length parameter sets the maximum size for this buffer. When the number of characters in the buffer reaches the Line length value the entire buffer is sent as the data in a single network packet. The value of Line length can range from 1 to 1,408 bytes.
Using the Configuration Management System 45 Applying Settings After you set the UART settings, network serial port settings, and operation mode, select Apply to make the settings take effect. Resetting the Ethernet Adapter If the Ethernet Adapter stops responding correctly, you can perform a reset, which disrupts the network association temporarily, but does not affect Ethernet Adapter configuration settings that have already been applied with Apply.
46 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER To restore the settings through software: 1 Under Tools, click Restore Factory Defaults. 2 Click Restore. If the Ethernet Adapter was using an IP address setting other than the default, restoring the factory defaults will change the IP address. If you want to continue configuring the Ethernet Adapter, do the following: 1 Close your browser. 2 Return to the Enterasys Networks Wireless Infrastructure Device Manager and click Refresh.
Using the Configuration Management System 47 Using TFTP The general instructions for installing the upgrade using TFTP are: 1 Launch the Configuration Management System. 2 Under Tools, click Upgrade System. 3 Select TFTP. 4 Enter the file name for the firmware. 5 Enter the IP address of the TFTP server where the upgrade files are located. 6 Click Upgrade. Using HTTP The general instructions for installing the upgrade using HTTP are: 1 Launch the Configuration Management System.
48 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Backing up a Configuration As part of system maintenance, you should save and back up the configurations of individual Ethernet Adapters in case you need to reload them in the future. The backup saves all the parameters of the selected Ethernet Adapter in a file on your computer. The file can be used later to restore the configuration on this or another Ethernet Adapter. 1 Set the Ethernet Adapter parameters in the System Configuration pages.
Using the Configuration Management System Clearing the Ethernet Client List 49 The Ethernet Adapter supports up to 16 specific clients (for example, computers and printers) and keeps track of the clients with a list of their MAC addresses. After the client limit is reached, you must clear the client list to allow a new client to associate with the network.
50 CHAPTER 3: CONFIGURING THE ETHERNET ADAPTER Viewing System Summary Under System Summary, you can view the following information: Table 14 System Summary Page Property Description Default Value Device Name The name assigned to the Ethernet Adapter. You can change the default name to one of your choice by clicking System Properties under System Configuration. RoamAbout Ethernet Adapter RBTSA Device Location If you use the default device name, entering None the location is optional.
4 Diagnosing Problems TROUBLESHOOTING If you have difficulty with the Ethernet Adapter, try the solutions in the following table. Table 15 Troubleshooting Symptom Solution(s) 16 devices have been connected to the Ethernet Adapter, either simultaneously or sequentially. After connecting another device, the new device cannot associate with the network.
52 CHAPTER 4: TROUBLESHOOTING Table 15 Troubleshooting (continued) Symptom Solution(s) After you change the IP address, after you restore a backup configuration, or after you reset the Ethernet Adapter to factory defaults, the Configuration Management System stops responding and you cannot continue configuring the Ethernet Adapter. If you change the IP address and click Apply, you cannot continue to configure the device using the old IP address.
Disconnecting the Ethernet Adapter 53 Table 15 Troubleshooting (continued) Symptom Solution(s) You are running Windows NT. After you connect the Ethernet Adapter, your computer cannot obtain a valid IP address. The Ethernet Adapter configuration settings may not be compatible with the network. If they are not, and your Windows NT computer is set up to obtain its IP address from a DHCP server, the Ethernet Adapter is unable to associate with the network to obtain the IP address.
54 CHAPTER 4: TROUBLESHOOTING Uninstalling Software and Documentation If you want to uninstall the Enterasys Networks 11a/b/g Wireless Ethernet Adapter software and documentation, you can either use the standard operating system procedure for removing programs or use the following shortcut: 1 For WIN2000: select Start>Settings>Control Panel>Add/Remove Programs Click "Change/Remove" button on "Wireless Infrastructure Device Manager" For WinXP: select Start>Control Panel>Add/Remove Programs 2 Click "Change
A Getting Help OBTAINING SUPPORT FOR YOUR ENTERASYS NETWORKS PRODUCT For additional support related to this device or document, contact Enterasys Networks using one of the following methods. World Wide Web: www.enterasys.com/support Phone: (603) 332-9400 1-800-872-8440 (toll-free in the U.S. and Canada) For the Enterasys Networks Support toll-free number in your country: www.enterasys.com/support/gtac-all.html Email: support@enterasys.
56 APPENDIX A: OBTAINING SUPPORT FOR YOUR ENTERASYS NETWORKS PRODUCT ■ The device history (for example, have you returned the device before, is this a recurring problem.
END USER LICENSE AGREEMENT Customer shall take all steps necessary to protect Wind River's and its licensors' proprietary rights in the Run-Time Module and to ensure that each Run-Time Module distributed by Customer will be accompanied by a localized copy of an End User License Agreement.
REGULATORY INFORMATION The Enterasys Networks 11 a/b/g Wireless Ethernet Adapter (Model RBTSA-AA / RBTSA-AB) must be installed and used in strict accordance with the manufacturer’s instructions as described in the user documentation that comes with the product. This device complies with the following radio frequency and safety standards. This product contains encryption. It is unlawful to export out of the U.S. without obtaining a U.S. Export License.
MANUFACTURER’S DECLARATION OF CONFORMITY Enterasys Networks, Inc. 50 Minuteman Road Andover, MA 01810 USA 1-800-872-8440 (toll-free in the U.S. and Canada) Date: June 30, 2004 Declares that the Product: Brand Name: Enterasys Networks, Inc. Model number: RBTSA-AA / RBTSA-AB Equipment Type: 11a/b/g Wireless Ethernet Adapter Complies with Part 15 of the FCC rules.
CANADA – INDUSTRY CANADA (IC) This device complies with RSS 210 of Industry Canada. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of this device.
EUROPE – EU DECLARATION OF CONFORMITY Marking by the above symbol indicates compliance with the Essential Requirements and other relevant provisions of the R&TTE Directive of the European Union (1999/5/EC). This equipment meets the following conformance standards: EN300 328, EN301 893, EN301 489-17, EN60950 NOTE: To ensure product operation is in compliance with local regulations, select the country in which the product is installed. Refer to “Configuring the Ethernet Adapter” in the user guide.
Spanish Por medio de la presente Enterasys Networks, Inc. declara que el 11a/b/g Wireless Ethernet Adapter cumple con los requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la Directiva 1999/5/CE Portuguese Enterasys Networks, Inc. declara que este 11a/b/g Wireless Ethernet Adapter está conforme com os requisitos essenciais e outras disposições da Directiva 1999/5/CE. EUROPE – RESTRICTIONS FOR USE OF 2.
EUROPE – RESTRICTIONS FOR USE OF 5GHZ FREQUENCIES IN EUROPEAN COMMUNITY COUNTRIES European Community Countries 5150-5250 MHz 5250-5350 MHz 5470-5725MHz Channels: 36, 40, 44, 48 Channels: 52, 56, 60, 64 Channels: 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140 Indoor Only Indoor Only Indoor/Outdoor ✔ X X ✔ ✔ X ✔ ✔ ✔ Austria Belgium, France, Switzerland, Liechtenstein Denmark, Finland, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,
