Alvarion BreezeNET DS.11 Guida Utente

We're on your wavelength.BreezeCOM and Floware uniteUser GuideBreezeNET DS.11User

Table of Contents viiMaintaining Access Control Tables ...7-20Maintaining WEP Encryption Keys ...

Optimizing Performance 6-21AlvarionIn this type of situations the disappointing network performance might be caused by the busy wireless traffic in th

6-22BreezeNET DS.11b User’s GuideManual Version 1.0parameter should correspond with the actual increase of and more dense placement of your Base Stati

Optimizing Performance 6-23AlvarionRoaming stations will start looking for/connect to another Base Station as soon as they leave the colored area belo

6-24BreezeNET DS.11b User’s GuideManual Version 1.0

SecurityOptimizing Performance Chapter 7SecurityThis chapter describes how to set the security parameters of your BreezeNET system and includes the fo

7-2BreezeNET DS.11b User’s GuideManual Version 1.0IntroductionAn advantage of the IEEE 802.11 standard for wireless networks is that it gives a quick

Security 7-3AlvarionSecuring Access to Wireless DataTo prevent unauthorized stations from accessing data that is transmitted over the network, the pro

7-4BreezeNET DS.11b User’s GuideManual Version 1.0" all non-BreezeNET stations with a “zero string ESSID” or “ANY” as network name.To close your

Security 7-5AlvarionRepeat steps 1 through 9 for all other Base Stations.Access ControlAnother method to restrict wireless access to the Base Stations

7-6BreezeNET DS.11b User’s GuideManual Version 1.01. Start the AP Manager and select the Base Station.2. Click the Edit button.3. Select the Access Co

viiiBreezeNET DS.11b User’s Guide

Security 7-7AlvarionYou can use this file later to import the configuration into other Base Stations.8. Click OK to return to the Access Control tab.9

7-8BreezeNET DS.11b User’s GuideManual Version 1.07. Update the “Base Station Configuration Record” to reflect this change.8. (Optional) Modify the ac

Security 7-9Alvarion3. Select the Access Control tab.4. Click the lower Edit button to display the RADIUS server name and secret parameter. 5. Enable

7-10BreezeNET DS.11b User’s GuideManual Version 1.0Wireless Data EncryptionTo provide the highest level of security to wireless data transmitted via y

Security 7-11AlvarionYou are advised to use the Base Station configuration log to write down the proposed WEP key values, and store the information in

7-12BreezeNET DS.11b User’s GuideManual Version 1.07. Click OK again to save the configuration to the Base Station and to return to the main AP Manage

Security 7-13AlvarionDeny non-encrypted DataIf you decide to use wireless data encryption, you are advised to encrypt all data that will be transmitte

7-14BreezeNET DS.11b User’s GuideManual Version 1.0Enable Encryption & Deny non-encrypted DataWhen you select to enable encryption and deny non-en

Security 7-15Alvarionunless you want to provide easy access for any client station and/or migration is more critical to your data network than top-lev

7-16BreezeNET DS.11b User’s GuideManual Version 1.0Securing Base Station SetupSecurity measures, such as access control, become ineffective when unaut

IntroductionChapter 1IntroductionThis chapter gives a basic description of the BreezeNet system and includes the following sections:! About BreezeNETo

Security 7-17Alvarion4. In the field Read/Write Password, enter the new password. The default value is “public”.5. Click OK to save the configuration

7-18BreezeNET DS.11b User’s GuideManual Version 1.0is an authentication failure or a link up or down is detected. The trap host alert will enable the

Security 7-19AlvarionCall Boot Trap MessagesA Call boot trap message can occur in one of the following situations:! Base Station is reset! Power down!

7-20BreezeNET DS.11b User’s GuideManual Version 1.0Advanced Security MaintenanceMaintaining Access Control TablesIt is best to create a single access

Security 7-21AlvarionThe key roll-over possibilities built in the 802.11 standard and offered by BreezeNET allow for a number of scenarios, each with

7-22BreezeNET DS.11b User’s GuideManual Version 1.0Table 7-4 : Single Key - No Transition By initially configuring all stations with the keys for the

Security 7-23Alvarionbigger than the transition, this can still be considered to be a single key scheme, because most of the time only a single key is

7-24BreezeNET DS.11b User’s GuideManual Version 1.0

Advanced Network ConfigurationsChapter 8Advanced NetworkConfigurationThis chapter describes how to configure advanced aspects of your BreezeNET system

8-2BreezeNET DS.11b User’s GuideManual Version 1.0IntroductionTo configure your BreezeNET network beyond the basic configuration a number of advanced

1-2BreezeNET DS.11b User’s GuideManual Version 1.0About BreezeNET The Alvarion BreezeNET product family is a comprehensive set of network equipment th

Advanced Network Configurations 8-3AlvarionAdvanced ParametersIf you created a basic Base Station configuration, as described in the previous section,

8-4BreezeNET DS.11b User’s GuideManual Version 1.0! an interference source is located in the signal path between the “trouble” stations and the Base S

Advanced Network Configurations 8-5AlvarionIf you consider using the option Medium or Small distance between Base Stations to create a high performanc

8-6BreezeNET DS.11b User’s GuideManual Version 1.0! Filtering traffic exchanged between two specific stations that are identified by their static MAC

Advanced Network Configurations 8-7Alvarion1. Determine the minimum set of protocols that must be bridged.2. Click the Edit button to display the Filt

8-8BreezeNET DS.11b User’s GuideManual Version 1.0You can use the MAC filtering option for example to filter broadcast or multicast messages exchanged

Advanced Network Configurations 8-9Alvarion4. Click OK to return to the Bridge tab.5. Click OK again if you want to save this configuration and return

8-10BreezeNET DS.11b User’s GuideManual Version 1.0The mandatory parameters that you must specify are:! Base Station “IP address” (unique for each Bas

Advanced Network Configurations 8-11AlvarionThe IP address is primarily used to address this Base Station when you use the AP Manager program to confi

8-12BreezeNET DS.11b User’s GuideManual Version 1.0The value will be decreased each time the message passes a router. When the TTL value becomes 0, th

Introduction 1-3AlvarionAbout BreezeNET ToolsThe Alvarion BreezeNET software suite consists of a set of management tools that enables you to:! Displa

Advanced Network Configurations 8-13AlvarionRead PasswordChange the Read Password parameter in order to prevent unauthorized access to the Base Statio

8-14BreezeNET DS.11b User’s GuideManual Version 1.0Trap Host PasswordUse the Trap Host Password field to enter a password that will be included in the

Advanced Network Configurations 8-15AlvarionEthernet InterfaceSubject to the type of interface offered by your Base Station, you can select one of the

8-16BreezeNET DS.11b User’s GuideManual Version 1.0Configuring Large NetworksEach Base Station configuration is characterized by two types of paramete

Advanced Network Configurations 8-17AlvarionA list of common parameters is shown in Table 8-7 below, together with the AP Manager tabs where you can

8-18BreezeNET DS.11b User’s GuideManual Version 1.01. PreparationIdentify and record all information related to each of the Base Stations to be config

Advanced Network Configurations 8-19Alvarion! Run AP Manager and connect to the target Base Station.! Upload the template file that contains the value

8-20BreezeNET DS.11b User’s GuideManual Version 1.0Repeat step 2 - 7 for every other Base Station that you wish to configure. Completing the Installat

Advanced Network Configurations 8-21AlvarionModifying the ConfigurationYou can modify the Base Station configuration parameters using the Edit button

8-22BreezeNET DS.11b User’s GuideManual Version 1.0! If the IP address in not correct, click No to return to cancel the upload procedureThe new parame

1-4BreezeNET DS.11b User’s GuideManual Version 1.0AP ManagerThe AP Manager is primarily a tool for LAN administrators or system supervisors. You can u

Advanced Network Configurations 8-23Alvarion BOOTP and DHCPWhen powered-up for the very first time, the Base Station will broadcast a request for an I

8-24BreezeNET DS.11b User’s GuideManual Version 1.0

Appendix A:Start Up ConfigurationYour Base Station comes with installed operating software factory. Together with this software, the Base Station has

A-2BreezeNET DS.11b User’s GuideManual Version 1.0Factory-set ConfigurationTable A-9 :Start-up Configuration - Base Station Table A-10 :Start-up Confi

Appendix A A-3Alvarion

A-4BreezeNET DS.11b User’s GuideManual Version 1.0

Appendix B:TroubleshootingProblems experienced in wireless LAN operation can be related to:! Configuration mismatch! Component failure! Wired or wirel

B-2BreezeNET DS.11b User’s GuideManual Version 1.0Table B-11 :LED Error TablePower Ethernet Wireless interface A Description/Action:Continuous GreenFl

Appendix B B-3AlvarionAmber Flicker GreenOff Forced reload state.The flickering LED indicate LAN activity on the specific LAN interface. This activity

B-4BreezeNET DS.11b User’s GuideManual Version 1.0Rebooting Base StationsIf a particular Base Station has stopped responding to normal bridging reques

Introduction 1-5AlvarionAbout BreezeNET Base StationsThe Base Stations are identified by either one of the following MAC addresses:! The universal MAC

Appendix B B-5AlvarionRemote RebootTo reboot the Base Station from a remote location:1. Start the AP Manager program.2. Select the target Base Station

B-6BreezeNET DS.11b User’s GuideManual Version 1.0

Appendix C:Forced Reload ProcedureA forced reload allows you to recover from a situation where:! The Base Station has stopped responding to the system

C-2BreezeNET DS.11b User’s GuideManual Version 1.0Doing a Forced ReloadA forced reload procedure consists of three steps:1. Step 1 - Preparations.2. S

Appendix C C-3Alvarion! Your LAN administrator station is a wired (Ethernet) station.Your LAN administrator station is a Wired Station Your LAN admini

C-4BreezeNET DS.11b User’s GuideManual Version 1.03. Use a small pointed object, such as the tip of a ball-point, to press the Reset button. 4. Releas

Appendix C C-5AlvarionStep 3 - Configuring and Uploading FilesThe complete configuration and upload procedure of the forced reload procedure is pictur

C-6BreezeNET DS.11b User’s GuideManual Version 1.0! the Base Station has the IP address 153.69.254.254.Figure C-46: The Base Station in Forced Reload2

Appendix C C-7AlvarionYou are advised to check the configuration settings. Click Ok to continue. ! If you do not have a back-up configuration file, or

C-8BreezeNET DS.11b User’s GuideManual Version 1.0! If the pop-up window does not display the correct IP address and/or SNMP passwords, click No to ca

1-6BreezeNET DS.11b User’s GuideManual Version 1.0About This User’s GuideThis guide describes how to use the BreezeNET tools to configure and monitor

Appendix D:Upgrading Base StationSoftwareThe Base Station runs on embedded software, that is also referred to as “firmware” or “Bridge Kernel”. This s

D-2BreezeNET DS.11b User’s GuideManual Version 1.0Upload SoftwareWhen uploading Base Station software (or firmware) no changes are made to the configu

Appendix D D-3Alvarion1. First save the Base Station software file back to disk, using the same filename, i.e. the software file you opened will be ov

D-4BreezeNET DS.11b User’s GuideManual Version 1.0

GlossaryAAccess ControlA security feature for Base Station that enables you to restrict wireless access to a access point to authorized stations only.

GL-2BreezeNET DS.11b User’s GuideManual Version 1.0Bridge inThe total number of data packets arriving at the Base Station from the LAN segment served

Glossary GL-3 AlvarionDDHCP (Dynamic Host Configuration Protocol)DHCP is a Microsoft proprietary extension to the existing bootstrap protocol (BOOTP)

GL-4BreezeNET DS.11b User’s GuideManual Version 1.0FFilter Aging TimeBase Stations maintain dynamic lists to identify the interface where they last sp

Glossary GL-5 AlvarionIInitiator StationThe (remote) Base Station device that you selected to initiate a Remote Link Test with a wireless station con

GL-6BreezeNET DS.11b User’s GuideManual Version 1.0Max AgeAn advanced Bridge setup parameter for Base Station that identifies the maximum age of recei

Introduction 1-7AlvarionAbout Icons used in this DocumentThroughout this document we use the following icons to represent the various networking devic

Glossary GL-7 Alvarioncollisions detected on a particular interface later than 512 bit-times into the transmission of a packet.See also: AP Manager R

GL-8BreezeNET DS.11b User’s GuideManual Version 1.0Port PriorityAn advanced Bridge Setup parameter for Base Station that enables you to influence whic

Glossary GL-9 AlvarionSite MonitorA BreezeNET diagnostics option of the Client Manager program that enables you to display the communications quality

GL-10BreezeNET DS.11b User’s GuideManual Version 1.0With the spanning tree algorithm, all bridges on the LAN exchange special configuration messages t

Glossary GL-11 AlvarionTTTL (Time-To-Live)An advanced IP Parameter Setup counter that you can you use to maintain network efficiency. The purpose of

GL-12BreezeNET DS.11b User’s GuideManual Version 1.0

IndexAAccess Controldisable 7Access Control Table 5manual setup 17, 18Advanced Parameters 2Analysis Polling Interval 26Analyzing Link Qualitysee Link

IX-2BreezeNET DS.11b User’s GuideManual Version 1.0DDefault Router 11DHCP 10, 23Distance Between APs 4Download Config File 8, 21EEncryptionsee Wired E

Index IX-3AlvarionLogging Measurement Datastop 17MMAC Addressaccess control 5access point 13MANAGER Stationintroduction 2wireless station 6, 13Manual

IX-4BreezeNET DS.11b User’s GuideManual Version 1.0RRADIUS Server Access Control 8Ratio of Errors to Bridge Packets 25Read Password 16, 2Read password

1-8BreezeNET DS.11b User’s GuideManual Version 1.0

Index IX-5AlvarionToolsAP Manager 4Client Manager 3Trafficpayload 3traffic load 3Trap Host 11activate 18alerts 17disable 18IP address 13mechanism 18pa

IX-6BreezeNET DS.11b User’s GuideManual Version 1.0

We're on your wavelength.International Corporate HeadquartersAlvarion Ltd.HaBarzel 21aTel Aviv 69710, IsraelTel: +972 3 645 6262Fax: +972 3 645 6

BreezeNET DS.11bUser’s Guide

Wireless ConfigurationsnChapter 2Wireless ConfigurationThis chapter explains how to configure the wireless setting of the BreezeNET system and include

2-2BreezeNET DS.11b User’s GuideManual Version 1.0IntroductionThis document describes a number of network scenarios that may serve as an example for b

Wireless Configuration 2-3AlvarionPeer-to-Peer WorkgroupA Peer-to-Peer workgroup, as pictured in Figure 2-1, is a group of wireless devices that do no

2-4BreezeNET DS.11b User’s GuideManual Version 1.0Basic InfrastructureStand Alone ConfigurationIn a stand alone configuration ( Figure 2-2), the Base

Wireless Configuration 2-5AlvarionWireless Access to Ethernet NetworksConnecting Base Stations to an Ethernet network, as pictured in Figure 2-3, all

2-6BreezeNET DS.11b User’s GuideManual Version 1.0Advanced InfrastructuresMultiple Channel ConfigurationThe stations are capable of switching their op

Wireless Configuration 2-7AlvarionThe preferred channel separation between the channels in neighboring cells is 25 MHz (5 channels). Subject to the nu

2-8BreezeNET DS.11b User’s GuideManual Version 1.0

Setting Up your LAN Administrator StationChapter 3Setting Up YourLAN Administrator SectionThis chapter explains how to manage a BreezeNET system from

3-2BreezeNET DS.11b User’s GuideManual Version 1.0IntroductionBreezeNET infrastructures are managed from the LAN administrator station. Within this ch

Setting Up Your LAN Administrator Station 3-3AlvarionAssigning an LAN Administrator StationMinimum RequirementsTo set up the LAN administrator station

3-4BreezeNET DS.11b User’s GuideManual Version 1.0Managing Peer-to-Peer WorkgroupsA Peer-to-Peer workgroup consists of several stations communicating

Setting Up Your LAN Administrator Station 3-5AlvarionManaging Infrastructure NetworksIn an infrastructure network, you will primarily use the LAN admi

3-6BreezeNET DS.11b User’s GuideManual Version 1.0! You need to do a site verification to determine optimal placement of Base Stations.! It is also po

Setting Up Your LAN Administrator Station 3-7AlvarionMonitoringYou can use the following tools to monitor your infrastructure network:! Client Manager

3-8BreezeNET DS.11b User’s GuideManual Version 1.0Installing BreezeNET SoftwareClient ManagerThe Client Manager is a diagnostics tool that runs on wir

Setting Up Your LAN Administrator Station 3-9Alvarion! Network Interface Card (NIC) to connect this station to the network. The NIC cards can be of an

3-10BreezeNET DS.11b User’s GuideManual Version 1.0Verifying the TCP/IP Protocol SettingsThe AP Manager program requires a TCP/IP networking protocol

Setting Up Your LAN Administrator Station 3-11Alvarion5. When prompted to restart your computer, select Yes. Once your computer has restarted, you wil

3-12BreezeNET DS.11b User’s GuideManual Version 1.0Configuration ScenariosIn the previous section you may have selected either a wired, or a wireless

© 2001 by Alvarion Ltd. All rights reserved.No part of this publication may be reproduced in any material form without the written permission of the c

Setting Up Your LAN Administrator Station 3-13Alvarion! The Base Stations will be installed on remote locations, that are accessible via TCP/IP networ

3-14BreezeNET DS.11b User’s GuideManual Version 1.0Using a wireless LAN administrator station allows you to configure Base Stations:! Directly by mean

Setting Up Your LAN Administrator Station 3-15AlvarionUninstalling BreezeNET SoftwareIf you wish to remove the BreezeNET software from the LAN adminis

3-16BreezeNET DS.11b User’s GuideManual Version 1.0

Basic Network ConfigurationChapter 4Basic NetworkConfigurationThis chapter explains how to configure a BreezeNET system and include the following sect

4-2BreezeNET DS.11b User’s GuideManual Version 1.0IntroductionThis chapter will describe how to configure the BreezeNET network for:! Peer-to-Peer wor

Basic Network Configuration 4-3AlvarionWhat you NeedTo manage your Base Stations, you must assign a unique IP address to each Base Station within your

4-4BreezeNET DS.11b User’s GuideManual Version 1.0Configuring Infrastructure NetworksBasic ConfigurationIntroductionThis section will describe a 4-ste

Basic Network Configuration 4-5Alvarion4. Create a back-up file of the new configuration settings (optional but recommended).Repeat steps 2 to 4 for e

4-6BreezeNET DS.11b User’s GuideManual Version 1.0! To gain access to Base Stations on a different subnet or via a dial-up connection, enter a specifi

iiBreezeNET DS.11b User’s GuideSafety ConsiderationsFor the following safety considerations, “Instrument” means the BreezeNET DS.11b units’ componen

Basic Network Configuration 4-7Alvarionfine with its factory-set values, changing the BreezeNET parameters to unique values will differentiate your ne

4-8BreezeNET DS.11b User’s GuideManual Version 1.0advised to make a back-up file of this configuration as described in Step 4 - Create a Back-up of th

Monitoring your BreezeNET NetworkChapter 5Monitoring YourBreezeNET NetworkThis chapter describes how to monitor and diagnose a BreezeNET system and in

5-2BreezeNET DS.11b User’s GuideManual Version 1.0IntroductionOnce your network has been configured and installed, you can use BreezeNET software tool

Monitoring Your BreezeNET Network 5-3AlvarionWhich Tool Should You Use?The decision whether to use the Client Manager or AP Manager largely depends on

5-4BreezeNET DS.11b User’s GuideManual Version 1.0Using the Client ManagerMonitoring Methods The Client Manager offers four monitoring methods:! Wirel

Monitoring Your BreezeNET Network 5-5Alvarion" Good" Marginal" Poor, or" Out of rangeThe quality of the radio connection is also d

5-6BreezeNET DS.11b User’s GuideManual Version 1.0! The Base Station, when your Client Manager station is connected to an “Infrastructure Network” (se

Monitoring Your BreezeNET Network 5-7AlvarionTest Results TabThe Test Results tab is your primary screen to analyze link test results using the follow

5-8BreezeNET DS.11b User’s GuideManual Version 1.0! Compare the total number of messages sent to the number of messages received." When the commu

Important NoticeiiiImportant NoticeThis user's manual is delivered subject to the following conditions and restrictions:! This manual contains pr

Monitoring Your BreezeNET Network 5-9Alvarion! Freeze - to momentarily stop the dynamic indicators and updating of numerical values, for example to an

5-10BreezeNET DS.11b User’s GuideManual Version 1.0When roaming throughout a wireless network environment with your Client Manager station, you will b

Monitoring Your BreezeNET Network 5-11AlvarionDisplayed across the top of the Site Monitor window are the following fields:! Current Network (SSID) -

5-12BreezeNET DS.11b User’s GuideManual Version 1.0The first time you open the Site Monitor window, the Base Stations are sorted in descending order o

Monitoring Your BreezeNET Network 5-13Alvarion" display all Base Stations belonging to that network that are within range of your Client Manager

5-14BreezeNET DS.11b User’s GuideManual Version 1.0display these values only for the infrastructure network to which you are actually connected. When

Monitoring Your BreezeNET Network 5-15AlvarionWhen you are running the Client Manager tool in site monitor mode, you can use the AP Names tab to assig

5-16BreezeNET DS.11b User’s GuideManual Version 1.0supports continuous data logging, which the Site Monitor window does not support.Manual Data Loggin

Monitoring Your BreezeNET Network 5-17Alvarion2. Enter a filename for your log file in the field Log Filename. If you:! Enter a new filename - a new f

5-18BreezeNET DS.11b User’s GuideManual Version 1.0If the wireless client adapter passes all tests, the test status will read “OK” in all fields, and

ivBreezeNET DS.11b User’s Guide

Monitoring Your BreezeNET Network 5-19AlvarionUsing the AP ManagerYou can use the AP Manager to:! Display a standard set of SNMP variables to monitor

5-20BreezeNET DS.11b User’s GuideManual Version 1.03. Click Monitor to connect to the target Base Station.4. The monitor mode of the AP Manager window

Monitoring Your BreezeNET Network 5-21Alvarion! The Up Time field displays the time interval measured from the last time the Base Station was reset. I

5-22BreezeNET DS.11b User’s GuideManual Version 1.0Remote Link Test WindowThe AP Manager remote link test enables you to investigate the radio link be

Monitoring Your BreezeNET Network 5-23Alvarion" 2 = PC Card slot A" 3 = PC Card slot B! The Radio Type field identifies the type of PC Card

5-24BreezeNET DS.11b User’s GuideManual Version 1.0If the level of SNR is lower than expected the signal and noise level indicators may help you inves

Monitoring Your BreezeNET Network 5-25AlvarionTo view the remote statistics, select the Remote tab from the AP Manager window in the monitor mode (see

5-26BreezeNET DS.11b User’s GuideManual Version 1.0System Intervals To display the system interval parameters to monitor the Base Station, you must fi

Monitoring Your BreezeNET Network 5-27Alvarionthe initiator stations network via a low-speed connection (e.g. a dial-up modem connection).Adjusting SN

5-28BreezeNET DS.11b User’s GuideManual Version 1.0

Table of ContentsIntroduction ...1-1About BreezeNET ...

Optimizing Performance Chapter 6Optimizing PerformanceThis chapter describes how to optimize the performance of your BreezeNET system and includes the

6-2BreezeNET DS.11b User’s GuideManual Version 1.0IntroductionThe performance of your LAN is usually determined by a complex combination of different

Optimizing Performance 6-3AlvarionEliminating Redundant TrafficData transmitted via your network can be divided in two major types of data:! True Data

6-4BreezeNET DS.11b User’s GuideManual Version 1.0Do You Need Protocol Filtering?To diagnose whether or not the protocol broadcasts degrade the perfor

Optimizing Performance 6-5Alvarion4. Select the Base Station of your choice and click the Edit button.5. Select the Bridge tab to show the protocol fi

6-6BreezeNET DS.11b User’s GuideManual Version 1.0! Your network system will generate a large number of error messages as a result of the faulty conne

Optimizing Performance 6-7Alvarion! Wired stations connected to the cabling system. If your network uses BNC coax cable (10Base2), make sure that term

6-8BreezeNET DS.11b User’s GuideManual Version 1.0Station may get lost. Waiting in vain for an acknowledgment of the receiving station, the sending st

Optimizing Performance 6-9AlvarionImportant indicators to monitor on the Remote Link Test window are:! Signal to noise ratio (SNR) for an overview of

6-10BreezeNET DS.11b User’s GuideManual Version 1.0Remote Statistics TalliesSelect the Remote tab in the monitor mode. Select either one of the interf

viBreezeNET DS.11b User’s GuideVerifying the TCP/IP Protocol Settings ... 3-10Configuration Scenarios ...

Optimizing Performance 6-11AlvarionIf these options do not resolve your problem, consider one of the following options:! Protocol Filtering on page 6-

6-12BreezeNET DS.11b User’s GuideManual Version 1.0Figure 6-24 illustrates an example of the “hidden station” problem. Both station A and station B ar

Optimizing Performance 6-13Alvarion! Upon receipt, the Base Station will respond with a CTS message to all stations within its range to:" notify

6-14BreezeNET DS.11b User’s GuideManual Version 1.0! When a message is shorter than the RTS/CTS medium reservation threshold, the Base Station will no

Optimizing Performance 6-15Alvarion5. Next create a backup-file of the new configuration (see Step 4 - Create a Back-up of the Configuration).Frequenc

6-16BreezeNET DS.11b User’s GuideManual Version 1.0Multiple-Channel ConfigurationYou can alternate the frequency channels of your Base Stations betwee

Optimizing Performance 6-17Alvarion3. Choose the socket (A or B) for the network interface that you would like to configure.4. Click the Advanced butt

6-18BreezeNET DS.11b User’s GuideManual Version 1.03. Click OK again to save the new configuration to the Base Station and to return to the main AP Ma

Optimizing Performance 6-19AlvarionFigure 6-29: Link Integrity WindowFor more information about link integrity refer to the help-file of the AP Manage

6-20BreezeNET DS.11b User’s GuideManual Version 1.0Designing High Capacity NetworksIn networking environments where you have either data intensive use