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Cabletron Systems STS16-20R Enabled, Media Type, Cfg Loss Threshold, Cfg Loss Sampling Interval

Models: STS16-20R STS16-20D

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Enabled

Shows the administrative state of this port. Possible values are Yes (enabled) or No (disabled). The default value is Yes.

Status

This field is for informational purposes only, and shows if the port is currently inserted into the ring.

Media Type

This field is for informational purposes only, and shows the media type of the port. Possible value is RJ-45.

Cfg Loss Threshold

Configuration loss occurs when a port completes a connection, allows data traffic to flow, and subsequently closes. This threshold is used to control the number of configuration losses that can occur within the Cfg Loss Sampling Interval. When the threshold is exceeded, the port is disabled and must be enabled via a manager.

Possible values are 1–100. The default value is 8.

Cfg Loss Sampling Interval

Specifies a sampling period in minutes. The number of configuration losses occurring within this interval is compared to the Cfg Loss Threshold to determine if a port should be disabled. Possible values are 1–60minutes. The default value is 1.

Priority Threshold

The highest Token-Ring frame priority that will go to the low priority transmit queue. Possible values are 0–7. The default value is 3.

Min Transmit Priority

The minimum Token-Ring frame priority that will be used for transmits. Possible values are 0–6. The default value is 4.

Ring Parameter Server

Configures whether this port should respond to the MAC Frame Request Initialization (Enabled) or not (Disabled = default). When the ring parameter server is enabled, other network interfaces on the ring will be informed about the CRF ring number. Only one device on the ring should act as a ring parameter server.

Early Token Release

Determines whether the port is enabled for Early Token Release (ETR). Possible values are Yes and No. The default is Yes. If Early Token Release is set to Yes and the media speed is 4 Mbps, the switch will force Early Token Release to No.

Switch Configuration

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

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Cabletron Systems STS16-20R manual Enabled, Media Type, Cfg Loss Threshold, Cfg Loss Sampling Interval, Priority Threshold

Contents

Page Page Order Number 9032956-01 OC-7054 v .1 Vcci Notice FCC NoticeIndustry Canada Notice Iii Declaration of Conformity AddendumApplication of Council Directives 89/336/EEC 73/23/EEC Table of Contents Installation Preparing for InstallationSwitch Configuration Accessing Switch ManagementMenu 155 Monitoring the Network from the Console StatisticsVii Monitoring the Network with Snmp 201 Troubleshooting 215Monitoring Port Traffic 211 ViiiGetting in Touch with Technical Support 221 List of Figures List of Tables Xii Introduction SmartStack STS16-20D Token Ring SwitchSwitch of Switches Switching TechnologySwitch of Hubs Switch of ServersSwitch of Desktops Switch of Routers Switch of Floors and BuildingsManagement Port Front Panel DetailsToken Ring Ports Switched Port Analyzer Reset ButtonSystem Request Button Status and Activity LEDs LabelsState Meaning Connection has been established to the stack Lists the stack-link LEDs and their meaningsLists the port LEDs and their meanings Token Ring port is inserted into the ringLists the back panel connectors on the switch Back panel of the switches are illustratedBack Panel Details Name DescriptionFeatures Features and SpecificationsPerformance and Advanced Features Scalability and High Availability ManagementInstallation Capacity SpecificationsPerformance Performance SpecificationsPhysical Characteristics Spanning Tree Protocol Specification Value Protocol compatibilitySupport On SmartStack STS16-20D only for Ports 17 to MIBs supportedSwitch Overview Multiple Simultaneous Conversations Low Latency SmartStack STS16-20R Token Ring Switch SmartStack STS16-20D Token Ring SwitchAddress Management Multiple Bridging Modes Source Route Bridging SRB Source Route Switching SRSSRT/SRB Source Route Transparent SRTCongestion Control FilteringCut-Through Three Switching ModesStore and Forward Auto Adaptive Cut-ThroughToken Ring Port Operation Modes RI/RO-Like Connection on SmartStack STS16-20R ClearSession Support Transmission Priority QueuesCrossLink Connections Spanning Tree Protocol Support Vlan Vlan SupportExample of Dynamic Source Route Recovery, Base Configuration Dynamic Source Route RecoveryExample of Dynamic Source Route Recovery, Normal State Example of Dynamic Source Route Recovery, Switch 1 Failed Management SpecificationTelnet Management and VT100 Management Console SmartStack Manager for WindowsIBM LAN Network Manager Rmon Support Name Support Info Event Stackable Architecture Built-in Port CountersBack-to-Back Internal StackerOptional Redundant Power Supply on SmartStack STS16-20R Safety Recommendations Preparing for InstallationSafety with Electricity Preventing Electrostatic Discharge Damage Power Chassis AccessibilitySite Requirements EnvironmentPreparing for Installation Frame Length Limit Configuration GuidelinesIeee 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 Summary InstallationPackage Contents Materials needed for Installation Rack or Cabinet Mounting Mounting the ChassisTable-Mounting Mounting the Switch in a Rack or CabinetCabling Connecting Devices to the Token Ring PortsConnecting Devices to Token Ring Ports Connecting using Building Wiring Checking the InstallationBack panel of the STS16-20D Applying PowerBack panel of the STS16-20R SmartStack STS-LM Front Panel Stacker Link ModuleConnecting the Stacker Link Cable SmartStack STS-LM Connectors and LEDsConnector Description State DescriptionInter-box Parameters Working with a StackSend Authentication Traps, changing the Trap table in any Checking the InstallationMenu Parameter Switches can be configured in two ways Accessing Switch ManagementUsing the switch console Using Snmp based graphical management applicationsConnecting a Terminal Directly to the Management Port Connecting the ConsoleConnecting to the Management Port Using a Modem XON/XOFF Specification ValueCommunication Problems StkPort Diagnostic ScreenAccessing Switch Management Switch Configuration General Guidelines These users have full access to all configuration parametersNavigating within the Menus PasswordMain Menu Configuration Menu Dram Installed Switch Configuration ScreenSystem Description Build DescriptionConfigured MAC Address Flash Memory InstalledBurned-in MAC Address System Name Address FormatSystem Location System Contact Stack Configuration ScreenTime of Day Number of BoxesModule Information Screen Model StatusBoard ID HW RevSmartStack STS16-20D/STS16-20R with four VLANs Vlan ConfigurationVlan Configuration Menu Configuration → Vlan Configuration Vlan Configuration ScreenBrdg/Rng ReturnView Vlan Parameter Configuration for CRF ScreenAdd ChangeVlan Name Bridging ModeParent Vlan StateVlan Parameter Configuration for BRF Screen 802.1Q Vlan ID Bridge NumberLAA Vlan MAC Address Configuration → Vlan Port Configuration Vlan Port ConfigurationPort TypeDefault Gateway IP Configuration ScreenInterface MAC Address IP AddressSend Ping IP StateBootP Requests and Parameters Spanning Tree Protocol Snmp Configuration MenuIeee 802.1D Spanning Tree Protocol STP STP Participation Spanning Tree for BRF ScreenIeee STP Uses Bridge Functional Address 100Bridge Priority Bridge Hello Time in SecondsSpanning Tree for CRF Screen Bridge Forward Delay in Seconds101 CRF & Port Spanning Tree ParametersSwitch Priority 102 STP Mode BRF-to-CRFSTP Priority STP CostSwitch Maximum Message Age in Seconds 103 Switch Hello Time in SecondsSwitch Forward Delay in Seconds Port Spanning Tree Parameters104 Port Spanning Tree Parameters ScreenNumber of the port PriorityCurrent Spanning Tree Information Screen STP Mode105 Path Cost To view more ports in the table106 Port Configuration ScreenName Media Type 107 EnabledCfg Loss Threshold Cfg Loss Sampling IntervalError High Threshold Forwarding ModeError Low Threshold Error Sampling IntervalOperation Mode Duplex Mode109 Media Speed Max Explorer Rate on InputCrossLink Switched Port Analyzer Menu from the Configuration Menu110 111 112 CrossLink MenuCrossLink Configuration Screen 114 Clear Table Setting up a CrossLinkDeletes all CrossLinks 115 Current CrossLink Information ScreenWhether the specified CrossLink is active or not What ports are in that CrossLink116 Address FilteringConfigure Port Security Mode Configure FiltersFilters and Port Security Menu 117118 Protocol Filters Configure Filters ScreenIndex MAC AddressApplied Ports 119Exit Ports Security. Then select Configure Port Security Mode Configure Port Security Mode Screen120 121 View Port Filters ScreenNumerical order of entries DescriptionProtocol Filters Menu Port number Security Mode122 Security. Then select Protocol Filters123 Protocol Class Assignment Protocol Class Assignment ScreenPort Filtering Attributes Class124 Port Filtering Attributes ScreenDSAPs Block125 None Allow all frames in this protocol class default value126 Address AgingSet at the Port Address Table Aging menu Set at the Master Address Table Aging menuPort Address Table Aging Screen Address Aging Menu127 Then select Port Address Table AgingPort to which you want to assign an aging time 128 PortAging Time min Demand Aging Level129 Master Address Table Aging ScreenAging Time Password Menu 131 Password is saved across warm boots and power cyclesConsole/Telnet Sessions Console Configuration MenuSerial Link Configuration Screen Setting Value Creating a Console Session Using a ModemStopping the Console Session 134Telnet Configuration Screen 136 Telnet Sessions ScreenBox RemoteStopping the Telnet Session Starting the Telnet SessionInvoluntary Termination of the Telnet Session 137138 139 Syslog Daemon ScreenDisplays more information Deletes an entryModifies an existing entry 140 Change EntryZoom 141 Dsrr ConfigurationRestrictions Primary and Traced Dsrr Port 142143 Dsrr Group Configuration ScreenBox, Port Group144 State Dsrr Configuration ScreenView and Change Group StatusBackup for Traced Port Backup for Primary PortGroup Priority Hello Time146 ATM Address Boot BootstrapDownload/Upload Menu 147148 Serial Link Download ScreenSelect Serial Link Download Select Main Image Download 149150 Tftp Download/Upload ScreenDownload/Upload Tftp Server AddressExecute name Download/Upload 151Number of Resets Since Diagnostics Reset ScreenReset Switch With Diagnostics Reset Switch Without DiagnosticsPower-On Diagnostics 153 Reset Port Address TableClear Nonvolatile RAM 154 155 Monitoring the Network from the Console Statistics Menu156 Statistics MenuSwitch Statistics Screen Frames Lost 158 Error Frames ReceivedPending Send Requests Currently Active Stations159 Power Supply Information Screen160 Port Status ScreenIns SpdFwd Mode 161 Oper Mode162 Port Statistics MenuGeneral Statistics Screen Frames Processed 164 MAC Frames ForwardedFrames Unknown Broadcast Frames Received165 Address Chain Overflows Frame ErrorsAddress Table Overflows Receive Buffer OverflowsConfig Loss Reason Config LossLast Reset 166 Ring Number MismatchBurst Errors Line ErrorsAC Errors Statistics ScreenInternal Errors Abort Transmit ErrorsLost Frame Errors Frame Copied ErrorsLobe Wires RecoveriesFrequency Errors 169 Transmit Beacons170 State Information ScreenRing Status Ring State171 Uptime When BeaconRing Speed Next Open Upstream Neighbor172 DTR MAC Information MenuTXI Information Station-CPort InformationTXI Information Screen Error Report Timer173 Authorized Function ClassesJoin State 174Monitor State Beacon Source AddressStation-CPort Information Screen 176 Common Access Protocol MaskCPort Phantom Drive Mask Common Policy Flags177 Address Tables Menu178 Master Address Table ScreenMaster Address Table Address179 180 Master Route Descriptor Table ScreenSearch Master Route Descriptor TableUnknown 181 Route hex182 Vlan Address Table ScreenSelect Vlan Address Table 183 Vlan Route Descriptor Table ScreenSelect Vlan Route Descriptor Table 184 Locate MAC Address ScreenFirst Vlan to which the MAC address is known 185 Current Spanning Tree Information ScreenBridge ID Root ID186 Hello Time Forward DelayMax Message Age PId187 Dsg SwId/BrId Designated Switch Id/Bridge IdDCst Designated Cost Dsg PId Designated Port Id188 Current Spanning Tree Information for a CRF ScreenRoot Port PId Port ID 189 Hello TimeDsg PId Designated Port Identifier 190 Dsg SwId/BrId Designated Bridge IDVlan Statistics Screen for CRF Vlan Statistics191 Parent BRF192 Ports Vlan Statistics for BRF ScreenList of ports that belong to this CRF Vlan Statistics Screen for BRF appearsDsrr Status Tables Screen Dsrr Status Screens193 194 Dsrr Neighbor Table ScreenNeighbor Last Seen Displays the next entry sorted by MAC AddressTime Acting as Backup Dsrr Acting as Backup Table Screen195 Closes the screen and returns to the Dsrr Status menu196 Diagnostic Test Results ScreenMessage Log Information Screen Message Content197 LogStart/End 198 BackClear Display Summary Screen Pressing ESC, you cancel and return to previous menu199 200 Following sections describe the Snmp setup menus Snmp SetupMonitoring the Network with Snmp 201Snmp Configuration Screen Snmp ConfigurationSend Authentication Traps Enable Rmon StatisticsCommunity Strings Screen Configuration → Community Strings203 Snmp over MAC Community StringsCommunity Name 204Mode Trap Receivers Screen Configuration → Trap Receivers205 206 Add Entry List of Supported Traps from a STS16-20D/STS16-20RGeneral traps Enterprise specific traps from STS16.MIB 207Per Port Traps Traps for the Spanning Tree Protocol 208Traps for CrossLinks 209 210 211 Monitoring Port TrafficActive Monitoring Passive Monitoring212 213 Switched Port Analyzer ScreenAnalyzer Port Number Monitored Port Number214 Obtaining Service TroubleshootingTroubleshooting in a Network Start of Troubleshooting ProcessSymptom and LED State Go To Choosing a Troubleshooting ProcedureProcedure a Procedure BProcedure D Procedure C217 218 219 220 221 Getting in Touch with Technical SupportSwitch Information Problem Report FormSwitch Configuration 222223 Problem Description Network Installation Sketch224 225 Appendix A. AbbreviationsMbps 226TrBRF 227TrCRF 228 Cable Function Cable Type or Cable Solution Connecting to the Out-of-Band Management PortAppendix B. Cable and Pin Information Out-of-Band Management Port and Cable Pin-Outs230 Management Port Pin-Out Pin Signal NameShell TIA/EIA-232 Modem Cable Connections231 TIA/EIA-232 Null-Modem Cable for 25-pin ConnectorTwisted-Pair Cable Pin Outs Ohm IBM STP Data Connector-to-RJ-45 Straight-Through Cable232 Straight-Through 100-Ohm/120-Ohm Cable233 Cabling RecommendationsCable Type Impedance Number Of Attaching Devices234 If using any 4 Mbps only adapters or filtersRing Types Speed Ring Speed Ohm Type Ohm CategoryRing Speed 100 or 120 Ohm Category 235Mbps 350 m 1148 ft 200 m 656 ft Not Supported 90 m 295 ft 236 Numerics IndexIndex-1 194 Index-2Index-3 191 Index-4Index-5 Index-6 Page 710001812