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Cabletron Systems 3Com manual Overview Of Digital Wireless Networking

Models: 3Com

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10CHAPTER 1: OVERVIEW OF DIGITAL WIRELESS NETWORKING

Same-Site Separate In this scenario, as shown in the following ﬁgure, Multiple APs can coexist as Networks separate networks at the same site without interference using different network

identiﬁers (wireless LAN service areas). The wireless clients can move within the coverage area of one AP and remain connected, or can roam (if conﬁgured to do so) to the coverage area of a different AP, and communicate with the wireless clients associated with that AP.

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Cabletron Systems 3Com manual Overview Of Digital Wireless Networking

Contents

AirConnect 11 Mbps Wireless LAN Access Point User Guide VersionPublished December Clara, California 3Com CorporationBayfront Plaza Santa 95052-8145CONTENTS 1 OVERVIEW OF DIGITAL WIRELESS NETWORKING3 MONITORING STATISTICS 2 INSTALLING ACCESS POINT HARDWARE4 CONFIGURING THE ACCESS POINT USING A WEB BROWSER Package ContentsGaining Access to the User Interface UI 5 MONITORING WIRELESS CLIENTS6 CONFIGURING THE AP USING THE ASCII INTERFACE Filtering to Forward PacketsConﬁguring PPP Online Technical Services A ACCESS POINT SPECIFICATIONS B TECHNICAL SUPPORTINDEX WARRANTY AND REGULATORY COMPLIANCE 3Com Corporation Limited WarrantyPage Introduction OVERVIEW OF DIGITAL WIRELESS 1 NETWORKINGAirConnect Installation CD AirConnect Network10 CHAPTER 1 OVERVIEW OF DIGITAL WIRELESS NETWORKING AirConnect Network Topologies AirConnect Access PointAP Features Built-in diagnostics including a power-up self-check Radio Basics 00A0F8249AC8 Radio Basics802.1d Spanning Tree Support Wireless LAN Service Area16 CHAPTER 1 OVERVIEW OF DIGITAL WIRELESS NETWORKING Site Surveys Theory of OperationFiltering and Access Control 1220 PPP Extensions for Bridging Network Control Protocol NCP as described inRFC 1171 the Point-to-Point Protocol, July PPP Connection 20 CHAPTER 1 OVERVIEW OF DIGITAL WIRELESS NETWORKINGfollowing conditions For extended roaming to work, you must use a static IP address The signal quality of a potential AP exceeds that of the current APThe following terms describe elements of the extended roaming feature Simple Network Management Protocol SNMP 1 Protocol or SchemeManagement protocol MIB Using SNMPProgrammable SNMP Trap Support Increased MIB SupportMethod Using the User InterfaceDescription Package Contents INSTALLING ACCESS POINT HARDWAREPrecautions RequirementsPower Options Mounting the AP Ceiling Mount To mount an AP on a ceiling The power adapter connects to the rear of the AP and to a power outlet Using the PowerBASE-TLED Indicators LED Indicatorscondition, and other activity PowerVerify AP Operation TroubleshootingElectrical Management System EMS operating outlet Verify Network Wiring and Topology Page Interface Statistics MONITORING STATISTICSSystem Properties Forwarding CountsStatistics Ethernet StatisticsRadio Frequency StatisticStatistics MiscellaneousPress Esc or Previous F4 to exit Statistics window, select Main Menu→Misc Statistics2 Select Clear All Statistics Clearing StatisticsKnown APs 1 Select Conﬁguration from the Main MenuHelp File Access CONFIGURING THE ACCESS POINT USINGGaining Access to the User Interface UI Using a Web Browser Setup Network Web Server Help File Access2 Select Close/Exit Accessing the Web Browser UI10 Select Virtual Directory 2 Select System Conﬁguration1 Select Special Functions 1 Select Special Functions 2 Select Reset AP2 Select Alter Filenames/HELP URL/TFTP Server/DHCP using Tab 4 Select Save F1 to save the conﬁguration3Com Access Point b Select Temporary Internet ﬁles and Settings2 Under Conﬁguration, select Security 3 Select System Password 1 Select Easy Setup--Easy Setup 2 Click Add/Delete Gateways 1 Select Easy Setup--Easy SetupTo install an AP, follow the procedure below 3 Click View/Add/Delete next to Allowed Wireless Clients Adding Allowed Wireless Clients1 Select Conﬁguration--Security 2 Select Enabled for Access Control Adding or Deleting a Range of Allowed Wireless ClientsEnabling or Disabling Encryption 3 For the Short RF Preamble setting, click DisabledConsiderations 1 Select Conﬁguration--Security2 Type the AP’s name in the Unit Name text box 5 Enter the Multicast Mask data and voice values 8 Enter a value in minutes for the Wireless Client Inactivity Timeout9 Click Clear Entries to reinstate the default settings 6 Select Enabled or Disable All for All SNMP Traps 11 Click Clear Entries to reinstate the default settingsConﬁguring the Originating Modem 1 Select Conﬁguration--PPP/Modem. The PPP/Modem Setup page displays2 Select Enabled for PPP Interface 3 Select PPP for Serial Port Use 4 Select Originate for Modem Connect Mode2 Select Answer for Modem Connect Mode 1 Select Conﬁguration--Filtering. The Filtering Setup page displaysConﬁguring the Answering Modem Filtering to Forward PacketsDisabling Type Filtering Removing Filtered Packet Types Networking Protocols2 Click Delete Filter 2 Under Conﬁguration, select FirmwareClear All Statistics 4 Select Regular at the Wireless Clients prompt MONITORING WIRELESS CLIENTSWireless Clients Foreign Agent to tell the “home” AP where to forward packets7 Press Close to return to the previous menu 1 Select Special Functions from the Main MenuClearing Statistics 2 Select Clear All StatisticsASCII INTERFACE CONFIGURING THE AP USING THEselection, then press Enter. Answer yes when prompted to save changes latest version. Refer to “Manually Updating AP Firmware” on pageEnable serial port Navigating the UITo exit from submenus, press Esc Conﬁguring The Serial Port 2 Select Telnet Logins2 Press Tab to select System Password 1 Select Set Serial Port Conﬁguration from the Main MenuHanging Up Conﬁguring the Dial-Up System2 Select Modem Hangup Installation Access Point62 CHAPTER 6 CONFIGURING THE AP USING THE ASCII INTERFACE Configuring the AP 6 Do one of the following Select OK to register the settings Or 4 Do one of the following Select OK to register the settings Or PPP with Modems PPP DirectEstablishing a Connection 66 CHAPTER 6 CONFIGURING THE AP USING THE ASCII INTERFACE4 Set the Connect Mode to Answer Originating APAnswering AP 1 Select the Special Functions Menu from the Main MenuRead-Only and Read/Write Community were submitted. The default value For automatic dial-out, reset the APprivileges. Ensure the password used matches the System Password used 68 CHAPTER 6 CONFIGURING THE AP USING THE ASCII INTERFACE000AF8F00101 Range of Wireless ClientsAddress Type? range individual 000AF8F002FFRemoving All Allowed Wireless Clients Removing Allowed Wireless ClientsEnable/Disable the ACL 3 Press Add F2Removing Disallowed Wireless Clients Load ACL from Wireless Client ListAdding Disallowed Wireless Clients Address FilteringSelect Clear wireless client Table Clearing WirelessSetting Logging Clients from the APAP Firmware Manually Updatingprevious version of AP ﬁrmware 5 Select Alter Filenames/HELP URL/TFTP and press Enter The remainder of this procedure uses Windows 98 as an exampleTo update the AP ﬁrmware using TFTP, do the following 8 Open the Special Functions window Downloading firmware using XMODEM. Send firmware with XMODEM nowDownloading HTML file using XMODEM. Send HTML file with XMODEM now 13 Select Send FileDownload Successful Updating AP Update Successful 5 Select Alter Filenames/HELP URL/TFTP Server and press EnterPerforming Pings Using MD5Authentication Extended RoamingConﬁguration EncryptionConsiderations Requirements3 Press the Tab key to highlight .Short RF Preamble Enabled and Restoring Conﬁgurations2 Select Restore Factory Conﬁguration 80 CHAPTER 6 CONFIGURING THE AP USING THE ASCII INTERFACERadio Characteristics ACCESS POINT SPECIFICATIONSPhysical Characteristics Output CharacteristicsNetwork Characteristics 82 APPENDIX A ACCESS POINT SPECIFICATIONSOnline Technical ServicesTECHNICAL SUPPORT World Wide Web SiteA list of system hardware and software, including revision levels Diagnostic error messagesProduct model name, part number, and serial number Details about recent conﬁguration changes, if applicableTo obtain an RMA number, call or fax Returning Products for RepairPage INDEX SNMP agent system password, changing 44 system properties windowwireless clients adding updating AP ﬁrmware ASCII UI3Com AirConnect Access Point 3Com Corporation Limited WarrantyWARRANTY AND REGULATORY COMPLIANCE YEAR 2000 WARRANTYWARRANTIES EXCLUSIVE OBTAINING WARRANTYSERVICE LIMITATION OF LIABILITYRegulatory Compliance Information RADIO FREQUENCY INTERFERENCE REQUIREMENTS CANADA3Com End User Software License Agreement IMPORTANT Read Before Using This Product