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Cabletron Systems STS16-20D manual Features and Specifications, Performance and Advanced Features

Models: STS16-20R STS16-20D

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Features and Specifications

This section lists important switch features as well as technical specifications.

Features

Performance and Advanced Features

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Three switching modes:

—Low latency cut through

—Store and corward

—Auto (Adaptive cut-through) Enhanced bridging modes:

—Transparent bridging

—Source route switching

—Source route bridging (SRB)

—Source route transparent bridging (SRT) Support for duplicate MAC address schemes

Automatic port sensing of operating mode and media speed Multiple Token Ring port operation modes:

—Half-duplex concentrator and station

—Full-duplex concentrator and station (Dedicated Token Ring)

—RI/RO-like connection (SmartStack STS16-20R only)

Spanning tree protocol support on SmartStack STS16-20D for the designated network ports 17–20 and on SmartStack STS16-20R for all the ports 1–20:

—IEEE 802.1D

—IBM Spanning Tree Protocol

On SmartStack STS16-20D the workstation ports 1–16 will always be in forwarding state. They are not affected by the spanning tree protocol.

•CrossLink high-speed inter-switch connection

— On SmartStack STS16-20D up to 128 Mbps using the network ports 17– 20. On SmartStack STS16-20D the workstation ports 1–16 do not support CrossLinks.

SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide

Introduction

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Cabletron Systems STS16-20D, STS16-20R manual Features and Specifications, Performance and Advanced Features

Contents

Page Page Order Number 9032956-01 OC-7054 v .1 FCC Notice Vcci NoticeIndustry Canada Notice Declaration of Conformity Addendum IiiApplication of Council Directives 89/336/EEC 73/23/EEC Table of Contents Preparing for Installation InstallationAccessing Switch Management Switch ConfigurationMonitoring the Network from the Console Statistics Menu 155Vii Troubleshooting 215 Monitoring the Network with Snmp 201Monitoring Port Traffic 211 ViiiGetting in Touch with Technical Support 221 List of Figures List of Tables Xii SmartStack STS16-20D Token Ring Switch IntroductionSwitching Technology Switch of SwitchesSwitch of Servers Switch of HubsSwitch of Desktops Switch of Floors and Buildings Switch of RoutersFront Panel Details Management PortToken Ring Ports Reset Button Switched Port AnalyzerSystem Request Button Labels Status and Activity LEDsState Meaning Lists the stack-link LEDs and their meanings Connection has been established to the stackLists the port LEDs and their meanings Token Ring port is inserted into the ringBack panel of the switches are illustrated Lists the back panel connectors on the switchBack Panel Details Name DescriptionFeatures and Specifications FeaturesPerformance and Advanced Features Management Scalability and High AvailabilityInstallation Specifications CapacityPerformance Specifications PerformancePhysical Characteristics Specification Value Protocol compatibility Spanning Tree ProtocolSupport On SmartStack STS16-20D only for Ports 17 to MIBs supportedSwitch Overview Multiple Simultaneous Conversations Low Latency SmartStack STS16-20D Token Ring Switch SmartStack STS16-20R Token Ring SwitchAddress Management Multiple Bridging Modes Source Route Switching SRS Source Route Bridging SRBSource Route Transparent SRT SRT/SRBFiltering Congestion ControlThree Switching Modes Cut-ThroughStore and Forward Auto Adaptive Cut-ThroughToken Ring Port Operation Modes RI/RO-Like Connection on SmartStack STS16-20R Transmission Priority Queues ClearSession SupportCrossLink Connections Spanning Tree Protocol Support Vlan Support VlanDynamic Source Route Recovery Example of Dynamic Source Route Recovery, Base ConfigurationExample of Dynamic Source Route Recovery, Normal State Example of Dynamic Source Route Recovery, Switch 1 Failed Specification ManagementSmartStack Manager for Windows Telnet Management and VT100 Management ConsoleIBM LAN Network Manager Rmon Support Name Support Info Event Built-in Port Counters Stackable ArchitectureBack-to-Back Internal StackerOptional Redundant Power Supply on SmartStack STS16-20R Preparing for Installation Safety RecommendationsSafety with Electricity Preventing Electrostatic Discharge Damage Chassis Accessibility PowerSite Requirements EnvironmentPreparing for Installation Configuration Guidelines Frame Length LimitIeee 802.1D Spanning Tree Ring Numbers Sample Uses of the SmartStack STS16-20RM Family Switches Typical Network without the SmartStack STS16-20D/STS16-20R Delivering Dedicated Bandwidth to Individual Workstations Deployment Scenarios Scenario using a Stacker Link and a Matrix Switch Setting Up CrossLinks Preparing for Installation Installation Installation SummaryPackage Contents Materials needed for Installation Mounting the Chassis Rack or Cabinet MountingMounting the Switch in a Rack or Cabinet Table-MountingConnecting Devices to the Token Ring Ports CablingConnecting Devices to Token Ring Ports Checking the Installation Connecting using Building WiringApplying Power Back panel of the STS16-20DBack panel of the STS16-20R Stacker Link Module SmartStack STS-LM Front PanelSmartStack STS-LM Connectors and LEDs Connecting the Stacker Link CableConnector Description State DescriptionWorking with a Stack Inter-box ParametersChecking the Installation Send Authentication Traps, changing the Trap table in anyMenu Parameter Accessing Switch Management Switches can be configured in two waysUsing the switch console Using Snmp based graphical management applicationsConnecting the Console Connecting a Terminal Directly to the Management PortConnecting to the Management Port Using a Modem Specification Value XON/XOFFCommunication Problems Diagnostic Screen StkPortAccessing Switch Management Switch Configuration These users have full access to all configuration parameters General GuidelinesPassword Navigating within the MenusMain Menu Configuration Menu Switch Configuration Screen Dram InstalledSystem Description Build DescriptionFlash Memory Installed Configured MAC AddressBurned-in MAC Address Address Format System NameSystem Location Stack Configuration Screen System ContactTime of Day Number of BoxesModule Information Screen Status ModelBoard ID HW RevVlan Configuration SmartStack STS16-20D/STS16-20R with four VLANsVlan Configuration Menu Vlan Configuration Screen Configuration → Vlan ConfigurationBrdg/Rng ReturnVlan Parameter Configuration for CRF Screen ViewAdd ChangeBridging Mode Vlan NameParent Vlan StateVlan Parameter Configuration for BRF Screen Bridge Number 802.1Q Vlan IDLAA Vlan MAC Address Vlan Port Configuration Configuration → Vlan Port ConfigurationPort TypeIP Configuration Screen Default GatewayInterface MAC Address IP AddressIP State Send PingBootP Requests and Parameters Snmp Configuration Menu Spanning Tree ProtocolIeee 802.1D Spanning Tree Protocol STP Spanning Tree for BRF Screen STP Participation100 Ieee STP Uses Bridge Functional AddressBridge Priority Bridge Hello Time in SecondsBridge Forward Delay in Seconds Spanning Tree for CRF Screen101 CRF & Port Spanning Tree Parameters102 STP Mode BRF-to-CRF Switch PrioritySTP Priority STP Cost103 Switch Hello Time in Seconds Switch Maximum Message Age in SecondsSwitch Forward Delay in Seconds Port Spanning Tree ParametersPort Spanning Tree Parameters Screen 104Number of the port PrioritySTP Mode Current Spanning Tree Information Screen105 Path Cost To view more ports in the tablePort Configuration Screen 106Name 107 Enabled Media TypeCfg Loss Threshold Cfg Loss Sampling IntervalForwarding Mode Error High ThresholdError Low Threshold Error Sampling IntervalDuplex Mode Operation Mode109 Media Speed Max Explorer Rate on InputSwitched Port Analyzer Menu from the Configuration Menu CrossLink110 111 CrossLink Menu 112CrossLink Configuration Screen Setting up a CrossLink 114 Clear TableDeletes all CrossLinks Current CrossLink Information Screen 115Whether the specified CrossLink is active or not What ports are in that CrossLinkAddress Filtering 116Configure Filters Configure Port Security ModeFilters and Port Security Menu 117Configure Filters Screen 118 Protocol FiltersIndex MAC Address119 Applied PortsExit Ports Configure Port Security Mode Screen Security. Then select Configure Port Security Mode120 View Port Filters Screen 121Numerical order of entries DescriptionPort number Security Mode Protocol Filters Menu122 Security. Then select Protocol FiltersProtocol Class Assignment Screen 123 Protocol Class AssignmentPort Filtering Attributes ClassPort Filtering Attributes Screen 124DSAPs BlockNone Allow all frames in this protocol class default value 125Address Aging 126Set at the Port Address Table Aging menu Set at the Master Address Table Aging menuAddress Aging Menu Port Address Table Aging Screen127 Then select Port Address Table Aging128 Port Port to which you want to assign an aging timeAging Time min Demand Aging LevelMaster Address Table Aging Screen 129Aging Time Password Menu Password is saved across warm boots and power cycles 131Console Configuration Menu Console/Telnet SessionsSerial Link Configuration Screen Creating a Console Session Using a Modem Setting ValueStopping the Console Session 134Telnet Configuration Screen Telnet Sessions Screen 136Box RemoteStarting the Telnet Session Stopping the Telnet SessionInvoluntary Termination of the Telnet Session 137138 Syslog Daemon Screen 139Displays more information Deletes an entry140 Change Entry Modifies an existing entryZoom Dsrr Configuration 141Restrictions 142 Primary and Traced Dsrr PortDsrr Group Configuration Screen 143Box, Port GroupDsrr Configuration Screen 144 StateView and Change Group StatusBackup for Primary Port Backup for Traced PortGroup Priority Hello Time146 ATM Address Bootstrap BootDownload/Upload Menu 147Serial Link Download Screen 148149 Select Serial Link Download Select Main Image DownloadTftp Download/Upload Screen 150Download/Upload Tftp Server Address151 Execute name Download/UploadReset Screen Number of Resets Since DiagnosticsReset Switch With Diagnostics Reset Switch Without Diagnostics153 Reset Port Address Table Power-On DiagnosticsClear Nonvolatile RAM 154 Monitoring the Network from the Console Statistics Menu 155Statistics Menu 156Switch Statistics Screen 158 Error Frames Received Frames LostPending Send Requests Currently Active StationsPower Supply Information Screen 159Port Status Screen 160Ins Spd161 Oper Mode Fwd ModePort Statistics Menu 162General Statistics Screen 164 MAC Frames Forwarded Frames ProcessedFrames Unknown Broadcast Frames ReceivedFrame Errors 165 Address Chain OverflowsAddress Table Overflows Receive Buffer OverflowsConfig Loss Config Loss ReasonLast Reset 166 Ring Number MismatchLine Errors Burst ErrorsAC Errors Statistics ScreenAbort Transmit Errors Internal ErrorsLost Frame Errors Frame Copied ErrorsRecoveries Lobe WiresFrequency Errors 169 Transmit BeaconsState Information Screen 170Ring Status Ring StateUptime When Beacon 171Ring Speed Next Open Upstream NeighborDTR MAC Information Menu 172TXI Information Station-CPort InformationError Report Timer TXI Information Screen173 Authorized Function Classes174 Join StateMonitor State Beacon Source AddressStation-CPort Information Screen Common Access Protocol Mask 176CPort Phantom Drive Mask Common Policy FlagsAddress Tables Menu 177Master Address Table Screen 178Master Address Table Address179 Master Route Descriptor Table Screen 180Search Master Route Descriptor Table181 Route hex UnknownVlan Address Table Screen 182Select Vlan Address Table Vlan Route Descriptor Table Screen 183Select Vlan Route Descriptor Table Locate MAC Address Screen 184First Vlan to which the MAC address is known Current Spanning Tree Information Screen 185Bridge ID Root IDForward Delay 186 Hello TimeMax Message Age PIdDsg SwId/BrId Designated Switch Id/Bridge Id 187DCst Designated Cost Dsg PId Designated Port IdCurrent Spanning Tree Information for a CRF Screen 188Root Port 189 Hello Time PId Port ID190 Dsg SwId/BrId Designated Bridge ID Dsg PId Designated Port IdentifierVlan Statistics Vlan Statistics Screen for CRF191 Parent BRFVlan Statistics for BRF Screen 192 PortsList of ports that belong to this CRF Vlan Statistics Screen for BRF appearsDsrr Status Screens Dsrr Status Tables Screen193 Dsrr Neighbor Table Screen 194Neighbor Last Seen Displays the next entry sorted by MAC AddressDsrr Acting as Backup Table Screen Time Acting as Backup195 Closes the screen and returns to the Dsrr Status menuDiagnostic Test Results Screen 196Message Content Message Log Information Screen197 Log198 Back Start/EndClear Pressing ESC, you cancel and return to previous menu Display Summary Screen199 200 Snmp Setup Following sections describe the Snmp setup menusMonitoring the Network with Snmp 201Snmp Configuration Snmp Configuration ScreenSend Authentication Traps Enable Rmon StatisticsConfiguration → Community Strings Community Strings Screen203 Snmp over MAC Community Strings204 Community NameMode Configuration → Trap Receivers Trap Receivers Screen205 List of Supported Traps from a STS16-20D/STS16-20R 206 Add EntryGeneral traps 207 Enterprise specific traps from STS16.MIBPer Port Traps 208 Traps for the Spanning Tree ProtocolTraps for CrossLinks 209 210 Monitoring Port Traffic 211Active Monitoring Passive Monitoring212 Switched Port Analyzer Screen 213Analyzer Port Number Monitored Port Number214 Troubleshooting Obtaining ServiceTroubleshooting in a Network Start of Troubleshooting ProcessChoosing a Troubleshooting Procedure Symptom and LED State Go ToProcedure a Procedure BProcedure C Procedure D217 218 219 220 Getting in Touch with Technical Support 221Problem Report Form Switch InformationSwitch Configuration 222Problem Description Network Installation Sketch 223224 Appendix A. Abbreviations 225226 Mbps227 TrBRFTrCRF 228 Connecting to the Out-of-Band Management Port Cable Function Cable Type or Cable SolutionAppendix B. Cable and Pin Information Out-of-Band Management Port and Cable Pin-OutsPin Signal Name 230 Management Port Pin-OutShell TIA/EIA-232 Modem Cable ConnectionsTIA/EIA-232 Null-Modem Cable for 25-pin Connector 231Ohm IBM STP Data Connector-to-RJ-45 Straight-Through Cable Twisted-Pair Cable Pin Outs232 Straight-Through 100-Ohm/120-Ohm CableCabling Recommendations 233Cable Type Impedance Number Of Attaching DevicesIf using any 4 Mbps only adapters or filters 234Ring Types Speed Ring Speed Ohm Type Ohm Category235 Ring Speed 100 or 120 Ohm CategoryMbps 350 m 1148 ft 200 m 656 ft Not Supported 90 m 295 ft 236 Index NumericsIndex-1 Index-2 194Index-3 Index-4 191Index-5 Index-6 Page 710001812