Transmitted Frames, Discards | Cabletron Systems 2.2 instruction

Bridging

the destination station, which then directs a reply back to the source. The Þrst reply received by the original sending station is considered the most efÞcient route and is used in subsequent transmissions.

¥Span. Tree Expl.ÑDisplays the total number of Spanning Tree Explorer (STE) frames received by the indicated port from its attached segment. STE frames, also known as Single Route Broadcast frames, follow the topology established by the Spanning Tree Algorithm.

Transmitted Frames

List of Frame types transmitted by the bridge ports

¥Specif. RoutedÑDisplays the total number of SpeciÞcally Routed Frames transmitted by the indicated port onto its attached segment.

¥All Paths Expl.ÑDisplays the total number of All Path Explorer frames transmitted by the indicated port onto its attached segment.

¥Span Tree Expl.ÑDisplays the total number of Spanning Tree Explorer (STE) frames transmitted by the indicated port onto its attached segment.

Discards

List of Frames discarded by the bridge ports.

¥Segment MismatchÑDisplays the number of explorer frames discarded because their routing descriptor Þeld contained an invalid value for a segment attached to the port.

The routing information Þeld of a SpeciÞcally Routed frame contains LAN Segment In (Ring In)ÐBridge NumberÐLAN Segment Out (Ring Out) information. If the bridgeÕs LAN Segment Out value does not match the LAN Segment Out speciÞed in the frameÕs Routing Information Field, the bridge logs a Segment Mismatch and discards the frame.

¥Duplicate SegmentÑDisplays the number of frames discarded because the frameÕs Routing Information Field identiÞes a particular segment more than once.

¥Hop Cnt. ExceededÑDisplays the number of All Paths Explorer frames discarded at the speciÞed port because they exceeded the number of routing descriptors (bridge hops) speciÞed by the Hop Count Limit.

Bridge Statistics

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Cabletron Systems 2.2 manual Transmitted Frames, Discards

Contents

Bridge/Router Interface Brim User’s Guide Page Virus Disclaimer Restricted Rights Notice Contents Contents Index Chapter Fddi ApplicationsChapter WAN Applications Chapter ATM Conﬁguration Contents Introduction BRIM-E100 Using the Brim User’s Guide Brim Management Applications Related Manuals Software Conventions Using the Mouse Left Mouse Button Right Mouse Button Location Common Device Window FieldsDevice Name IP Address Using Window Buttons Using On-line Help Accessing On-line DocumentationGetting Help Hours a day, 365 days a year Getting Help from the Cabletron Systems Global Call Center Introduction Getting Help About Transparent Bridging Bridging Basics Bridging About Source Route Bridging About Source Route-Transparent Bridges About Source Route-Translational Bridges Viewing and Managing Bridging Interfaces Bridging Bridge Status Window Up Time Bridge Status Window Bridge Address Accessing Bridge Status Window OptionsBridge State on Interface Interface Type Bridging Bridging Bridging Bridging Enabling and Disabling All Installed Interfaces Enabling and Disabling BridgingEnabling and Disabling Individual Interfaces Performance Graphs Bridge Statistics Bridging Xmitted Blue Errors RedFrames Forwarded Green Filtered Magenta Bridge Detail Breakdown Xmitted ErrorsFrames Forwarded Filtered Interface Statistics Forwarded toForwarded from Description AddressType Discarded ErrorUnicast Non-Unicast Csmacd Statistics Receive Errors Transmission Errors PPP Link Statistics Collision Errors Errors Statistics Dot5 Errors Burst Errors Line Errors Soft Errors Internal ErrorsCongestion Errors Token Errors Source Route Statistics Received Frames Discards Transmitted Frames Spanning Tree Bridge Priority Bridge Level Protocol Root BridgeRoot Cost Root Port Bridge Port Level Designated Bridge Path CostDesignated Cost Designated Root Conﬁguring Spanning Tree Changing Bridge PriorityChanging the Spanning Tree Algorithm Protocol Type Changing Forwarding Delay Time Changing Hello TimeChanging Max Age Time Filtering Database Changing Port PriorityChanging Path Cost Bridging 11. The Filtering Database Window Aging Time ListNumber Capacity Conﬁguring the Filtering Database Port FilteringAltering the Aging Time Adding or Deleting Individual Entries Changing the Type of EntryChanging the Receive Port Changing the Port Filtering Action Clearing All Permanent, Static, or Dynamic Entries Special Filter Databases Ethernet and Token Ring Special Filter Database Windows Enable Special Filter Database WindowFile Data Offset Destination AddressSource Address Data Type Deﬁning and Editing Filters in the Special Database Setting the Port Filtering Action Changing the Receive PortsChanging the Port Filtering Action Enabling and Disabling a Filter Saving a Set of Filters to a FileClearing the Port Filtering Action Interface Conﬁguration Bridge Methods TransparentSource Routing Source Route Transparent Setting the Bridge MethodNetBIOS Protocol Transmission Methods 16. Source Route ConÞguration Window Source Route Conﬁguration Source Route Conﬁguration Source Routing Information Subnet Mask Spanning Tree Expl Local SegmentTarget Segment Hop Count Limit Bridge Number Spanning Tree Mode Making and Setting Changes Using the Find Source Address Feature Using the Port Source Addresses Window Setting the Aging Time Using the Token Ring Bridge and Port Conﬁguration Windows Bridging Ring Number Virtual Ring Number Bridge Mode/Explorer Type Port ModeNovell Translation Ring Speed Source Route/STE Duplex Modes Duplex Modes Window InterfaceFull Duplex Ethernet Port Conﬁguration Setting the Duplex Mode Fast Ethernet Port Conﬁguration Standard Mode Bridging Link State Current Operational ModeDesired Operational Mode Port Type Setting the Operational Mode for the FE-100TX Setting the Operational Mode for the FE-100FX Sonet Port ConﬁgurationSONET/SDH Conﬁguration Sonet SONET/SDH Statistics Bridging 26. The SONET/SDH Statistics Window Errors Statistics Bridging 27. The SmartTrunk ConÞguration and Status Window Conﬁguring SmartTrunking SmartTrunk State PortName Mode Bridging Conﬁguring Broadcast Suppression Token Ring Bridge Mode Setting Token Ring Bridge Mode Setting Bridge Translation 32. Bridge Translation Window Enabling and Disabling Auto and Dual Translate Modes Conﬁguring Novell Token Ring Packet Translation Conﬁguring Token Ring Packet Translation IBM Translation Table State Index Conﬁguring Snap Translation Snap Translation Table Using the Novell Translation Window Bridging Ethernet Port Physical View Using the Physical View Windows for the Etwmim Epim Type Active Port 41. Token Ring Port Physical View Token Ring Port Physical View FNB State Ring State Active Monitor Bridging 104 Using the Physical View Windows for the Etwmim Fddi Applications Conﬁguration Window Accessing the Fddi Menu MAC State Concentrator M Ports SMT VersionReq. Requested Target Token Rotation Time Neg. Negotiated MAC Path Connection Policy WindowConcentrator Non-M Ports Number of MACs Connection Policy Window 15 32,768 Ð a permanently set value for this bit Address Mode Station List WindowNumber of Nodes Upstream Neighbor Node Class Fddi Performance Window Transmit FramesReceive Frames Setting the Time Interval Frame ErrorsRing Ops Fddi Applications Fddi Performance Window WAN Applications Accessing the WAN Status Windows Viewing WAN Interface Status Current ActiveCurrent Primary Desired Primary Conﬁguring the Synchronous Connection State Change InspeedOutspeed Clock Source Line Coding Conﬁguring T-1 PortsWAN Port Name Line Type Xmt Clock Source Loopback ModeSignal Mode Circuit ID Interface LineCoding Using the T1 FracTable Conﬁguration Window Channels Max BandwidthConﬁguring the Fractional Table Changing the Interface Line Coding Restoring a Fractional Table Compression Displaying the WAN Logical View CRC Length Changing WAN Logical Settings Viewing the WAN Port Admin/Status Synchronous Admin/StatusOperational Status WAN Interfaces T1 Admin/StatusAdmin Status Oper and Admin Displaying Synchronous Port Statistics Enabling and Disabling WAN T1 InterfacesFrame Check Interrupted Frames Total ErrorsXmit UnderRuns Receive OverRuns WAN Applications Displaying Synchronous Port Statistics ATM Conﬁguration Accessing the ATM Connections Window Connection Data Settings VPI Conﬁguring Connections Adding a New Connection Deleting a Connection ATM Conﬁguration Conﬁguring Connections Index Index-2 Index-3 Index-4 Index-5 Index Index-6