Cabletron Systems 3Com manual Contents

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CONTENTS

1OVERVIEW OF DIGITAL WIRELESS NETWORKING

Introduction	9
AirConnect Network Topologies					9
Peer-To-Peer Network				9
Same-Site Separate Networks					10
Single AP Bridge			11
Multiple-AP Full Coverage Network							12
AirConnect Access Point				12
AP Features		13
PowerBASE-T		13
Radio Basics	14
Cellular Coverage			15
Wireless LAN Service Area					16
802.1d Spanning Tree Support							16
Site Topography			17
Site Surveys			17
Theory of Operation			17
MAC Layer Bridging				17
Filtering and Access Control						18
DHCP Support			18
Media Types		18
Bridging Support			19
PPP Connection				20
Direct-Sequence Spread Spectrum							21
Wireless Client Association Process							21
Roaming	22
Extended Roaming				22
Security	23
Supporting CAM and PSP Stations							23
HTTP, HTML Web Server Support							24
Management Options				24
Programmable SNMP Trap Support 25
Using SNMP			25
Increased MIB Support 25
Using the User Interface					26

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Contents Version AirConnect 11 Mbps Wireless LAN Access Point User Guide95052-8145 3Com CorporationBayfront Plaza Santa Clara, CaliforniaContents Installing Access Point Hardware Monitoring Wireless Clients Access Point Installation Conﬁguring the AP Access Point Specifications Technical Support Page Topologies Overview of Digital Wireless NetworkingIntroduction AirConnect NetworkOverview of Digital Wireless Networking AirConnect Network Topologies To the Ethernet LAN AirConnect AccessWireless clients PointAirConnect Access Point Results in the original digital data PowerBASE-TWireless clients and APs Radio BasicsRadio Basics 802.1d Spanning Tree Support Wireless LAN Service AreaSite Surveys Filtering and Access Control Network Control Protocol NCP as described PPP Connection Data Rate Requirement Overview of Digital Wireless Networking Theory of Operation Simple Network Management Protocol Snmp Increased MIB Support Using SnmpProgrammable Snmp Trap Support Management protocol MIBMethod Description Using the User InterfaceRequirements Installing Access Point HardwarePrecautions Package ContentsUS line cord Part Number Power OptionsStandard power supply 115/230VAC, 50/60Hz, 24V/14 Remote power distribution system, Part Number AP-PS-11Mounting the AP BelowWall Mount To mount an AP on a wall Ceiling Mount To mount an AP on a ceiling Mounting the AP Using PowerBASE-TPowerBASE-T can be used to power the AP LED Indicators Off Blinking Power No power Power on During boot sequenceCondition, and other activity Electrical Management System EMS operating outlet Troubleshooting3Com Support Center Verify AP OperationNetwork connection veriﬁcation Verify Network Wiring TopologyPage Forwarding Counts Monitoring StatisticsSystem Properties Interface StatisticsEthernet Statistics Radio FrequencyStatistics Type Name Definition MiscellaneousStatistics window, select Main Menu→Misc Statistics Press Esc or Previous F4 to exitClearing Statistics Known APsSelect Clear All Statistics Setup Network Web Server Help File Access Gaining Access to the User Interface UI Using a Web BrowserGaining access to the User Interface UI Help File AccessSelect System Conﬁguration Accessing the Web Browser UISelect Virtual Directory Select Close/ExitSelect Save F1 to save the conﬁguration Select Special Functions Select Reset APType the case sensitive AP name Under Conﬁguration, select Security Select System PasswordSelect Easy Setup--Easy Setup Select Easy Setup--Easy Setup Click Add/Delete GatewaysParameter Description Adding Allowed Wireless Clients Adding or Deleting a Range of Allowed Wireless ClientsAdding or Deleting Disallowed Wireless Clients Select Conﬁguration--Security For the Short RF Preamble setting, click DisabledConsiderations Enabling or Disabling EncryptionEnable or disable interfaces on the AP Interface Description Default ConditionFrequency No. of Channels Country Enter the Multicast Mask data and voice values Snmp Trap Description Default Value Select Enabled or Disable All for All Snmp TrapsConﬁguring the Originating Modem Conﬁguring the Answering Modem Filtering to Forward PacketsFiltering to Discard Packets Under Conﬁguration, select Firmware Removing Filtered Packet Types Networking ProtocolsClick Delete Filter Disabling Type FilteringSpecial Function Description Active. Clear the wireless client association table forMonitoring Wireless Clients Wireless ClientsSelect Regular at the Wireless Clients prompt Indicates a 3Com voice-enabled device Ascii Interface Latest version. Refer to Manually Updating AP Firmware onVersions Enable serial port Conﬁgure the AP for the followingArrow/Function Key Control Character Prompt Description To exit from submenus, press EscConﬁguring The Serial Port Select Telnet LoginsPress Tab to select System Password To enable and conﬁgure the serial port connection on the APSelect Modem Hangup Setting DescriptionConﬁguring the Dial-Up System Hanging UpWindow InstallationConfiguring the AP That can associate with this AP. The default is Disabled Wsaid PPP Direct Establishing a ConnectionPPP with Modems From the answering APs UI Set the Connect Mode to AnswerOriginating AP Answering APFor automatic dial-out, reset the AP Press up/down arrows to toggle between range and individual Range of Wireless ClientsRemoving Allowed Wireless Clients Enable/Disable the ACLRemoving All Allowed Wireless Clients Address Filtering Load ACL from Wireless Client ListAdding Disallowed Wireless Clients Removing Disallowed Wireless ClientsOptions Clearing WirelessSetting Logging Clients from the APManually Updating AP FirmwarePrevious version of AP ﬁrmware Remainder of this procedure uses Windows 98 as an example Select Alter Filenames/HELP URL/TFTP and press EnterType the ﬁrmware ﬁle name in the Download Filename ﬁeld Open the Special Functions window Select Transfer from the emulation program menu barSelect Send File Select Alter Filenames/HELP URL/TFTP Server and press Enter Download is complete when the UI displaysExtended Roaming Using MD5Authentication Performing PingsWireless client and the access point EncryptionHex-digit sequence Restoring Conﬁgurations Press the Tab key to highlight .Short RF Preamble EnabledSelect Restore Factory Conﬁguration Output Characteristics Access Point SpecificationsPhysical Characteristics Radio Characteristics Frequency No. of Channels CountryNetwork Characteristics World Wide Web Site ServicesTechnical Support Online TechnicalNorth America Latin AmericaTo obtain an RMA number, call or fax Page Ascii IndexSnmp agent 3Com AirConnect Access Point 3Com Corporation Limited WarrantyObtaining Warranty Radio Frequency Interference Requirements Canada Regulatory Compliance Information3Com End User Software License Agreement Important Read Before Using This Product