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Cabletron Systems STS16-20D, STS16-20R manual Dsrr Neighbor Table Screen, 194, Neighbor Last Seen

Models: STS16-20R STS16-20D

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DSRR Neighbor Table Screen

Open this screen from the main menu by selecting Statistics → DSRR Status. Then select View Neighbor. You will be prompted for the Index (Ix) value of the group, then the screen will appear.

This screen contains a one-page entry for each switch currently participating in the Redundancy Group, including the one on the console of which the values are displayed.

Neighbor Last Seen

Displays the time in milliseconds since a Hello Message was last received from the corresponding switch for the DSRR group in question. For the local switch, this value is always displayed a zero.

More

Displays the next entry (sorted by MAC Address).

Return

Closes the screen and returns to the DSRR Status Tables screen.

SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide Monitoring the Network from the Console Statistics Menu

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Cabletron Systems STS16-20D, STS16-20R manual Dsrr Neighbor Table Screen, 194, Neighbor Last Seen

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 Preparing for Installation InstallationAccessing Switch Management Switch ConfigurationMenu 155 Monitoring the Network from the Console StatisticsVii 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 Hubs Switch of ServersSwitch of Desktops Switch of Floors and Buildings Switch of RoutersManagement Port Front Panel DetailsToken Ring Ports Switched Port Analyzer Reset ButtonSystem Request Button Status and Activity LEDs LabelsState 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 Features and SpecificationsPerformance 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 STS16-20R Token Ring Switch SmartStack STS16-20D 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 ManagementTelnet Management and VT100 Management Console SmartStack Manager for WindowsIBM 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 Safety Recommendations Preparing for InstallationSafety 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 ParametersSend Authentication Traps, changing the Trap table in any Checking the InstallationMenu Parameter Accessing Switch Management Switches can be configured in two waysUsing 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 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 DescriptionConfigured MAC Address Flash Memory InstalledBurned-in MAC Address System Name Address FormatSystem 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 802.1Q Vlan ID Bridge NumberLAA 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 table106 Port Configuration ScreenName 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 InputCrossLink Switched Port Analyzer Menu from the Configuration Menu110 111 CrossLink Menu 112CrossLink Configuration Screen 114 Clear Table Setting up a CrossLinkDeletes 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 AddressApplied Ports 119Exit Ports Security. Then select Configure Port Security Mode Configure Port Security Mode Screen120 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 Level129 Master Address Table Aging ScreenAging 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 entryModifies an existing entry 140 Change EntryZoom 141 Dsrr ConfigurationRestrictions 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 DiagnosticsPower-On Diagnostics 153 Reset Port Address TableClear 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 Unknown182 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 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 Id188 Current Spanning Tree Information for a CRF ScreenRoot 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 Tables Screen Dsrr Status Screens193 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 LogStart/End 198 BackClear Display Summary Screen Pressing ESC, you cancel and return to previous menu199 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 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 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 D Procedure C217 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 MbpsTrBRF 227TrCRF 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 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 Index-2 194Index-3 Index-4 191Index-5 Index-6 Page 710001812