Enterasys Networks RBTSA-AB manuale d’uso

7.5x9-inch cover with bleed on 4 sides RoamAbout ® Wir eless Networking 11a/b/g W ireless Ethernet Adapter User Guide RBTSA-AA / RBTSA-AB P/N 9034149[...]

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A BOUT T HIS G UIDE Conventions 2 Related Documentatio n 4 Accessing Online Documentation 4 Product Registration and Supp ort 5 1 I NTRODUCTION Product Features 7 Security 7 Wireless Network Standards 8 Network Configuration and Planning 9 Example Configurations 10 2 I NSTALLING THE E THER NET A DAPTER Unpacking the Ether net Adapter 11 Observing S[...]

3 C ONFIGURING THE E THER NET A DAPTER Using Secure Web Server Connection 25 Using the Enterasys Ne tworks W ireless Infrastructure Device Manager 26 Using the Configuration Management System 29 Clearing and Applying System Configuration Settings 30 Changing System Properties 31 Setting IP Network Pr operties 32 Setting Wireless Network Pr operti e[...]

E ND U SER L ICENSE A GR EEMENT R EGULATORY I NFORMATION[...]

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A BOUT T HIS G UIDE This guide provides all the information you need to install and use the Enterasys Networks 11a/b/g W ireless Ethernet Adapter in its default state. The guide is intended fo r use by IT managers and experienced network installation and administrat ion profe ssionals who have a basic knowledge of current networking concepts. If th[...]

2 A BOUT T HIS G UIDE Conventions T able 1 and T able 2 list conventions that are used throughout this guide. Ta b l e 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, sy ste[...]

Conventions 3 Words in italics Italics are used to: ■ Emphasize a point. ■ Denote a new term at the place where it is defined in the text. ■ Identify menu names, me nu commands, and software button names. Examples: From the Help menu, select Contents . Click OK . Ta b l e 2 T ext Conventions (continued) Convention Description[...]

4 A BOUT T HIS G UIDE Related Documentation In addition to this guide, each Ether net Adapter documentation set includes the followin g: ■ Quick Start Guide—printed guide th at describes basic installation. ■ Online Help—product help systems that describe how to use the Configuration Management System and Enterasys Networks W ireless Infras[...]

Product Registration and Support 5 Product Registration and Support T o regist er your pr oduct with Enterasys Ne tworks, go to the followin g We b page: http://www.enterasys.com/support For support information, see “Obtain ing Support for Y our Enterasys Networks Product” on page 55 or log on to the Enterasys Networks Web site at http://www.en[...]

6 A BOUT T HIS G UIDE[...]

1 I NTR ODUCTION Enterasys Networks wirele ss 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 W ire less LAN products provide easy , affor dable, flexible ways to extend wi reless networ ks to more users. This guide shows how you can use the Ente rasy[...]

8 C HAPTER 1: I NTRODUCTION Wir eless Network Standards Understanding the characteristics of the 802.11a and 802.11g stand ards can help you make the best choice for your wir eless implement ation plans. 802.11a Ratified in 2002, 802.11 a i s IE E E ’ s m ore re ce n t w i re le s s s t an d ard . I t operates at the 5 GHz band and sup ports data[...]

Network Configuration and Planning 9 Consider 802.11g when you need wider coverage and vendor compatibility an d you are: ■ Maintaining support for existing 802.11b users and the existing wireless investment while pr oviding for expansion into 802.11g. ■ Implementing a complete wireless LAN solution, including Ether net Adapters, gateways, acce[...]

10 C HAPTER 1: I NTRODUCTION Example Configurations The following examples illustrate ways you can use the Ether net Adapter to configur e Ethernet client devices into workgroups. (Details for setting up specific configurations ar e in “Installing the Ethernet Adapter” on page 11.) Wireless Infrastructur e Network Y ou can connect several compu[...]

2 I NSTALLING THE E THER NET A DAPTER This chapter contains the informatio n you need to install and set up the Ethernet Adapter . It covers the following topics: ■ Unpacking the Ether net Adapter ■ Observing Safety Precautions ■ Deciding Where to Place the Ethernet Adapter ■ Connecting the Ether net Adapter ■ Checking the LED Indicators [...]

12 C HAPTER 2: I NSTALLING THE E THERNET A DAPTER Figur e 3 sh o w s the fr ont 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 instal l the Ether net Adapter on a flat surface. Figure 3 Ethernet Adapter Observing Safety Precautions This eq[...]

Deciding Where to Place the Etherne t Adapter 13 (Canadian Standards Organisation), IE C (International Electrotechnical Commission) oder von anderen, nationalen od er internationalen Sicherheitsvorschriften für das en tsprechende Land z ugelassen wurde. Alle V erweise auf Netzteile in diesem Dok ument beziehen sich auf Netzgeräte, die diesen Anf[...]

14 C HAPTER 2: I NSTALLING THE E THERNET A DAPTER T o wall-mount the Ether net Adapter: 1 1 Place the two plastic anchors into a wa ll, then place two flat head mounting screws inside the plastic anchors, as shown in Figur e 4 . Figure 4 Place the scr ew on the wall 2 Place the Ethernet Adapter onto the wall, as shown in Figu re 5. Figure 5 Place t[...]

Connecting the Ethernet Adapter 15 Connecting the Etherne t Adapter The Ether net Adapter has power , Ethernet, and serial port s, as shown in Figure 6. Before connecting the Ethe rnet Adapter to a n Ether net device , connect the power . Figure 6 Connecting the Power Connecting to a Serial Device The Ether net Adapter can also be co nnected to a s[...]

16 C HAPTER 2: I NSTALLING THE E THERNET A DAPTER Connecting to an Ethernet D evice The Ether net Adapter is designed to be connected to an Ether net client device such as a hub, computer , or printer . CAUTION: T o avoid the possibility of a tran smission loop situation between the Ethernet Adapter and an access point , which could disrupt network[...]

Connecting the Ethernet Adapter 17 Connecting to a Hub Y ou can supply network connections for up to 16 devices, such as computers and network printers, by connecting the Ether net Adapter to an Ethernet hub , as shown in Figure 8. Figure 8 Connecting to a Hub Y ou can directly connect the Ethernet Adapter to a hub that does not have an uplink (MDI[...]

18 C HAPTER 2: I NSTALLING THE E THERNET A DAPTER Connecting to a Computer Y ou can connect the Ethernet Adapter directly to a computer through Ether net as shown in Figure 10. Used this way , the Ethernet Adapter can convert a desktop comp uter to a wireless computer . This conn ection also allows you to configure a Ether net Adapter before connec[...]

Checking the LED Indicators 19 Ta b l e 3 LED Descriptions LED Color Indicates Power Green Off The Ethernet Adapter is powered up and operating normally. The Ethernet Adapter is not receiving power or there is a fault with the power supply. 11a Green (solid) Green (blinking) Off The Ethernet Adapter has an 802.11a 5 GHz radio band connection. The E[...]

20 C HAPTER 2: I NSTALLING THE E THERNET A DAPTER Attaching An Exter nal Antenna The Ether net Adapte r has two interna l diversity dual-band antennas. If you want to increase the range of th e Ether net Adapter , an exter nal antenna can be attached to the exter nal antenna connector on the Ethernet Adapter . The Enterasys Networ ks-approved exter[...]

Determining if you Need to Co nfigure the Ethe rnet Adapter 21 (Wid man) included on the Enterasys Netw orks Installation CD to locate the Ethernet Adapter on the netw ork and view its IP address. Alter natively , you can enter the Ether net Adapter’ s IP address into a web browser on a computer on the same subnet to view the Et her net Adapter?[...]

22 C HAPTER 2: I NSTALLING THE E THERNET A DAPTER Ethern et Adapter Default Settings T able 4 shows the Ether net Adapter configuration factory defaults. Ta b l e 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-[...]

Using the Enterasys Networks Installation CD 23 Using the Enterasys Networks Installation CD The Enterasys Networks Insta llation CD contains the following tools and utilities: ■ Enterasys Networks Wirele ss Infrastructur e Device Manager —an administration tool that helps you select Enterasys Networks wireless LAN devices and launch their conf[...]

24 C HAPTER 2: I NSTALLING THE E THERNET A DAPTER[...]

3 C ONFIGURING THE E THER NET A DAPTER If the Ethernet Adapter configur ation that was set at the factory does not meet your network requir ements, or if you want to customize the settings, you can use these tools to change the configuration: Using Secure Web Server Connection The Ether net Adapter can be configur ed using Secur e Socket Layer (SSL[...]

26 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Using the Enterasys Networks Wireless Infrastructure Device Manager The Enterasys Networ ks Wireless Infrastructure Device Manager (Widman ) helps you locate Enterasy s Networks wireless LAN devices on the network, select a device and view its properties, and launch the Configuration Management Sys[...]

Using the Enterasys Networks Wirele ss Infrastructure Device Manager 27 The tree lists all WLAN service ar eas on the network and expands to show the Enterasys Networks wireless LAN devices that ar e associated to each service area. Devices in a dif fer ent subnet than your computer are ident ified with exclamation points (!). Y ou can refr esh thi[...]

28 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Figure 13 Wireless Infrastru cture Device Manager Pr e-IP Configuration 4 The next window prompts for an ad ministrative password to allow the new IP address to be set. If this is the first time the device is being configured, leave the passwor d field blank and click Next . The configuration main [...]

Using the Configuration Management Sys tem 29 Using the Configuration Management System The Enterasys Ne tworks11a/b/g W ireless Ether net Adapt er Configurat ion Management System resides on th e Ethernet Adapter and lets you configure the Ethernet Adapter thr ough your Web browser . T o use the Configuration Manageme nt Syst em, the computer you [...]

30 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Clearing and Applying System Configuration Settings The pages in the Configuration Management System have two but tons: Clear and Apply . ■ Clear returns the settings to the values they were when you last clicked Apply . ■ Apply stores the settings permanent ly in the nonvolatile flas h memory [...]

Using the Configuration Management Sys tem 31 Changing System Properties Under System Config uration, click System Properties . The System Pr operties page displays the pr operties of th e selected Ethernet Adapter . Y ou can change properties by entering a value in a fie ld (see T able 9). When you are finished, click Apply . T ab le 9 describes t[...]

32 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Setting IP Network Properties Under System Configuration, click IP Network . The IP Network Properties page appears, where you can change the settings shown in T able 10. If you change the IP address and click Apply , you canno t continue to configure the device using the old IP addr ess. Ther efor[...]

Using the Configuration Management Sys tem 33 Setting Wireless Network Properties Under System Configuration, click Wireless Network . The W ireless Network Properties page app ears, where you can select different wir eless settings, as described in T able 11. When you are finished, click Apply . The Ether net Adapter supp orts Dynamic and Static T[...]

34 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Setting Description Wireless LAN Service Area Select Attach to any WLAN Service Area (ESSID) automatically to allow the Ethernet Adapter to associate with any a ccess point without specify ing the ESSID. In this mode, the Ethernet Adapter uses the ESSID of the acce ss point with the best signal str[...]

Using the Configuration Management Sys tem 35 Manually Selecting Radio Channels On the Advanced W ireless Network page, you can manu ally select the radio channels an d radio modes. The Ether net Adapter o nly looks for a best SSID that matches the specif ied radio mode on the sp ecified channels. Setting Up an Ad-Hoc Network Operating in ad-hoc mo[...]

36 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER 1 Connect the first Ether net Adapter to power and use the Ethernet cable to connect it to the computer . 2 Use the Enterasys Networks W ireless Infrastructure Device Manager to select the Ethernet Adapter an d la unch the Configuration Management System. 3 Under System Configuration, click Wireles[...]

Using the Configuration Management Sys tem 37 No Security (Open System) No encryption is used. Network comm unications could be intercepted by unintend ed reci pients. 40/64-bit Shared Key (WEP) This option encrypts the wir eless tran smissions to pr otect data, but still allows communication among compatib le wireless LAN clients and access points[...]

38 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER TKIP The T emporal Key Integrity Protoc ol (TKIP) option improves data encryption over WEP sc heme by dynamically updating t he encryption keys every 10,000 packets. TKIP pr ovides p er -packet key mixing, a message integrity check, an d a re-keying mechanism. T o use TKIP: 1 On the W ireless Secur[...]

Using the Configuration Management Sys tem 39 Changing RADIUS Settings 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 o f a Remote Access Dial- in User Service (RADIUS) server for authentication purposes in 80 2.1x networks. [...]

40 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Changing SNMP Settings Under System Configuration, click SNMP to display and change settings for the Simple Network Management Protocol. T o communica te with the Ether net Adap ter , the SNMP agent must first be enabled and the Network Management Station must submit a valid community stri ng for a[...]

Using the Configuration Management Sys tem 41 CAUTION: Wi th the Allow option of the System Default Mode selected, the Ethernet Adapter allows all Eth ernet frames except those ca rrying the MAC addresses that are specified in the Access Control List and have the permission type Deny . Similarly , with the Deny option of the System Default Mode sel[...]

42 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Serial Port Under System Configurat ion, click Serial Po rt to set up network serial port operation. About UART A Universal Asynchronous Receiver/T ra nsmitter (UART) is the fundamental hardwar e for serial communication, controlling the speed and method of data transfer of the seri al port. Applic[...]

Using the Configuration Management Sys tem 43 Configuring UART Settings For proper operation, it is imperative that these settings always mat ch the settings of the device to which the Ether net Adapter is con nected via the RS-232 port. There are two groups of parameters that need to be config ured to accomplish this task: UART Settings and Flow C[...]

44 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER After configuring the port mod e, you also need to configure the following options: ■ Line Length – As data arrives on the seri al port it is accumulated in a buffer in the Ether net Adapter . The Line length p arameter sets the maximum size for this buffer . When the number of characters in th[...]

Using the Configuration Management Sys tem 45 Applying Settings After you set the UART settings, network serial por t settings, and operation mode, select Apply to make the settings take effect. Resetting the Ethernet Adapter If the Ethern et Adapter stops responding correctly , you can p erform a reset, which disrupts the network association tempo[...]

46 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER T o restor e the settings through software: 1 Under T ools, click Restore Factor y 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 add ress. If you want to continue configuring the Ether n[...]

Using the Configuration Management Sys tem 47 Using TF TP The general instructio ns for installing the upgrade using TF TP are: 1 Launch the Configuration Management System. 2 Under T ools, click Upgrade System . 3 Select TF TP . 4 Enter the file name for the firmware. 5 Enter the IP addr ess of the TF TP serv er where the upgrade files are located[...]

48 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Backing up a Configuration As part of system maintena nce, you shou ld save and ba ck 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 Ether net Adapter in a file on your computer . The file can [...]

Using the Configuration Management Sys tem 49 Clearing the Ether net Client List The Ether net Adapter supports up to 16 specific clients (for examp le, 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 asso ciate with[...]

50 C HAPTER 3: C ONFIGURING THE E THERNET A DAPTER Viewing System Summary Under System Summary , you can view the following information: Click Refresh to update the information. T able 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 choic[...]

4 T R OUBLESHOOTING Diagnosing Problems If you have difficulty with the Ether net Adapter , try the solut ions in the following table. T able 15 T roubleshooting 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[...]

52 C HAPTER 4: T ROUBLESHOOTING 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 y ou cannot continue configuring the Ethernet Adapter . If you change the IP address and click Apply , yo[...]

Disconnecting the Ethernet Adapter 53 Disconnecting the Etherne t Adapter T o disconnect the Ethernet Adap ter: CAUTION: Disconnecting the Ethernet Adapter ends the network association. T o avoid possible data lo ss, exit all networking applications on connected devices before you disconnect the Ethernet Adapter . VORSICHT : Wird die V erbindung de[...]

54 C HAPTER 4: T ROUBLESHOOTING Uninstalling Software and Documentation If you want to uninstall the Enterasy s Networks 11 a/b/g Wi reless Ethern et Adapter software and documentation, you can either use the standar d operating system procedur e for removi ng programs or use the following shortcut: 1 For WIN2000: select Start>Settin gs>Contr[...]

A O BTAINING S UPPORT FOR Y OUR E NTERASYS N ETWORKS P R ODUCT Getting Help For additional support related to this device or document, contact Enterasys Networks using one of the following methods. Before calling Enterasys Networks, pl ease have the following information re ad y : ■ Y our Enterasys Networks service contract n umber ■ A descript[...]

56 A PPENDIX A: O BTAINING S UPPORT FOR Y OUR E NTERASYS N ETWORKS P RODUCT ■ The device history (for example, ha ve you returned the device before, is this a r ecurring problem.) ■ Any previous Return Material Authorization (RMA) numbers[...]

E ND U SER L ICENSE A GREEM ENT Customer shall take all steps necess ary to protect Wind River's and its licensors' proprietary rights in the Run-Time Module and to ensure that each Run-Time Modul e distributed by Customer will be accompanied by a localized copy of an End User License Agr eement. Such End User License Agreement shall proh[...]

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R EGULATORY I NFORMATION The Enterasys Networks 11 a/b/g Wireless Ethernet Ad apter (Model RBTSA-A A / RBTSA-AB) must be inst alled and used in strict accordance with the manufacturer’s instructio ns as described in t he user documentation that comes with the product. This device compli es wi th the following radio frequ ency and safety standards[...]

M ANUFACTUR ER ’ S D ECLARATION OF C ONFORMITY 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, 20 04 Declares that the Pr oduct: Brand Name: Ent erasys Networks, Inc. Model number: RBTSA- AA / RBTSA-AB Equipment Type: 11a/ b/g Wi reless Ethernet Adapter Complies wi[...]

C ANADA – I NDUSTRY C ANADA (IC) This device complies with RSS 210 of Industry Canada. Operation is subject to the followin g two conditions: (1 ) this device may not caus e interference, and (2) this device must accept any interferen ce, including interference that may cause undesired op eration of this device.” L ‘ utilisation de ce disposi[...]

E URO PE – EU D ECLARATION OF C ONFORMITY Marking by the above symbol indicates compl iance wi th the Essential Requireme nts and other relevant provisions of the R&TTE Directive of the European Un ion (1999/5/EC). This equipment meets the following conformance standard s: EN300 328, EN301 893, EN301 489-17 , EN60950 NOTE: To ensure product o[...]

E URO PE – R ESTRICTIONS FOR U SE OF 2.4GH Z F REQU ENCIES IN E UROPEAN C OMMUNITY C OUNTRI ES Spanish Por medio de la presente Enterasys Networ ks, Inc. declara que el 11a/b/g Wireles s Ethernet Adapter cumple con los requisi tos esencial es y cualesquiera otras disposiciones aplicables o exigibles de la Dir ectiva 1999/5/CE Portuguese Enterasys[...]

E URO PE – R ESTRICTIONS FOR U SE OF 5GH Z F REQ U EN C I ES IN E UROPEAN C OMMUNITY C OUNTRI ES ■ To remain in confo rmance with European spectrum usage laws for Wireless LAN operation, the above 2.4GHz and 5GHz channel limitation s apply. The user should check th e cur rent channel of operation. If operation is occurring ou tside of th e allo[...]