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3Com 7600 manual Related Diagnostic Procedures

Models: 7600

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Related Diagnostic Procedures

B-3

Avoid touching all surfaces after cleaning the connectors, and keep all unused ports covered.

Ne toucher aucune surface après le nettoyage des connecteurs et garder les pièces inutilisées couvertes.

Vermeiden Sie das Berühren aller Oberflächen nach dem Säubern der Kontakte und verdecken Sie alle nicht benutzten Öffnungen.

Image 194

3Com 7600 manual Related Diagnostic Procedures

Contents

User Guide United States Government Legends Contents Rapid Configuration Power-UpNormal operation Fast Ethernet Status Indicators Parameter Entry Quick Key Functions Menu IndexDisplay Broadcast Throttling Attributes Remove a Static Address from FDB Display STP Enable StatusFast Ethernet Port Attributes and Statistics Display Bridge STP AttributesDisplay Current LEC Configuration Managing ATM ResourcesEnable/Disable Event Messages 10-14 Display Snmp ConfigurationUpdate NMS IP Address Display Software Version 10-212 ATM, LAN EMULATION, and Virtual Lans 12-712-15 12-14Bridge Frame Forwarding Logic 13-5Fast Ethernet Card Specifications Physical C-1 Glossary If you are looking for information about Turn to About this GuideGuide Conventions ConventionsTables 1 and 2 list conventions used throughout this guide 7600 Card Documentation and Related Manuals7600 Card Documentation Road Map If you want to ReadCard Overview of the 7600 CardAbout CardFront Panel of the 7600 Card with full configuration 3Physical module with SC connector for fiber ports Capabilities4CHAPTER 1 Overview of the 7600 Card Typical Applications of the 7600 Card 5Fast Ethernet backbone Server farm Starting UP Installation and POWER-UP Safety PrecautionsMesures de sécurité Vorsichtsmaßnahm en Card Modules InstallingRemoving Network Devices Connecting toConnection to a workstation or other DTE, using a normal Terminal Connecting to aLocal Management States System Power green Fail red Active orangeCard System How they are indicated on the LED displayWhen the 7600 Card is powered-up, it automatically begins Power-UpPower-up phase and initiates the Power-On Self-Test Mode Meaning and User Action4Fast Ethernet Port LEDs LED Color MeaningRapid Fast SetupConfiguration Full Setup Mode SetupSetup Modes CELLplexSetting Special Parameters Switch Setup ModeSetup Mode Selection Setup Section Description 1Integrated Fast Setup Procedure Sections2Setup Procedure Navigation Aids SectionsOperation Integrated Fast Setup is initiated from the LMA Main MenuSelect the menu item 9 FST Fast Setup CELLplex 7000. The CELLplex Main Menu appears as followsExample Dialog The following dialog appears on the screen Network Prefix SectionUNI/NNI Parameters Section LE Parameters SectionLecs Address Section LE Client Configuration Section Virtual Network Configuration SectionAdmin VN Management Configuration Section Confirmation Dialog SectionPort Context Setup to perform a rapid configuration of the 7600 CardMulti-context Fast Contex4Setup Procedure Navigation Aids Type To go toAdmin Main Menu appears as in the following example Elan Configuration Section Management Configuration SectionSystem Mode Configuration Section New configuration is displayed for this contextCard Management Tasks Menu Hierarchy Local Management BasicsManagement Main menu Example Keying in this submenu’s 4 option gives you the promptEntry of the stp submenu’s 3 option produces the prompt Finally, entering 1 finalizes the prompt as2Menu Navigation Functions 3Editing AidsSystem Management Menu Menu IndexMenu hierarchy Bridge Menu ATM MenuLAN Emulation Menu Virtual LAN Menu Network Management MenuDisplay Current Configuring Virtual LansConfiguring Bridges BridgeEthernet Port to 2Bridge Configuration ParametersAttach Fast Enter 6 Following is displayedFast Ethernet port #3 is attached to bridge #1 Attach InternalATM Port to Bridge Internal ATM port is attached to bridge #0Managing Ethernet Bridges Management TasksManaging Fast Ethernet Ports Managing the Bridge Forwarding DatabaseStatistics Fast Ethernet PortAttributes Managing the Spanning Tree Protocol Bridge-wide4Ethernet Port Statistics 3Fast Ethernet Port Characteristics2Ethernet Port Attributes Name DescriptionFollowing information for Port #1 is displayed 1Fast Ethernet Port Attributes and Statistics DisplayDisplay Broadcast Disable a FastEthernet Port ThrottlingBroadcast Throttling Enable/DisableThreshold 9Task Actions 10Task Actions for Fx Port TypeExample 2 for Fx port type Example 1 for Tx port typeFast Ethernet Tx port #1 is set to half duplex 11Task Actions for Tx Port Type13Bridge Attributes and Statistics 3Bridge Attributes and Statistics DisplayTime UpdateBridge-aging Bridge-port16Bridge-port Attributes and Statistics 4Bridge Attributes and Statistics DisplayDatabase Display All EntriesForwarding 17 Task Actions5Forwarding Database Display Learning Station Addresses on Display LearnedEntries 19 Task Actions21Task Actions Display StaticForwarding Database see Static Addresses on 22Static Table Fields Bridge Ports Hex Value Bridge Ports Hex Value Static Addresses Allowed-to Binary Table23Hexadecimal Codes for Displaying Multiple Bridge Ports 7Static Table Display Static Forwarding Database of bridge #0, the MAC address Block a StaticAddress Ports #4 Remove a StaticAddress from FDB Database see Static Addresses onAbout the STP enable status see Disabling the STP on Display STP EnableDisable STP on Status30Bridge STP Attributes STP attributes for bridge #0 is displayed as follows 9Bridge STP Attributes DisplayBridge-wide STP ParametersExample Enter Update Bridge-forward DelayBridge-forward-delay for bridge #0 is set to 1500 secs STP Attributes 36Bridge-port STP AttributesAttributes of port #1 of bridge #0 are displayed as follows 10Bridge-port STP Attributes DisplayBridge-path-cost Bridge-path-cost for port #1 of bridge #0 is set toManage ATM port Update ATM parametersManaging ATM Resources Manage Bridge ATM addresses2ATM Port Attributes and Statistics Display ATM Port Attributes StatisticsEnter 4 Field Description Following sample ATM statistics report is displayed4ATM Address Fields Following is a sample ATM address display 2ATM Address Display5Task Actions Display TMMore information about Traffic Management in the 7600 Card Enable TM Toggles TM operation on and off9Task Actions Characteristic Range Default MeaningTM remote Client Database is displayed as follows Add TM Client Information see Display TM Clients onUp to enable the ATM port or down to disable the ATM port Enable/Disable ATMPort Admin Status Selected version is saved in flashContext #0 Event ATM port Link Up Display statistics Manage configuration parametersManaging LAN Emulation Clients Manage operational parametersManage data-frame parameters Update Unknown Unicast-flood- ModeDisplay LEC Transmission over an Elan onEnter 5 1 LES Information Description 4LEC Configuration and Status InformationLecs Information Description 2LEC Configuration and Status Display BUS Information DescriptionSee LAN Emulation Overview on Update LecsEnter the bridge number and ATM address or ! to invalidate Elan name for the LEC of bridge #0 is enteredLES address for the LEC of bridge #0 is entered Enable LecsAddress via Ilmi LAN Emulation Overview on10LEC Operational Parameters Operational10. For more information see LEC Parameters on LEC Parameter DescriptionVCC-timeout-period, aging-time, forward-delay-time Update LECUpdate the LEC operational parameters control-timeout Control-timeout parameter in secondsEnter 533 0 Enter 535 0 18Task Actions 19Task Actions Connections on Control-frameRefer to -21. For more information see Emulated LAN 20Task ActionsEnter 54 16CHAPTER 8 Managing LAN Emulation Clients Mode Update UnknownUnicast-flood Unknown Unicast Frames onLE flood mode for Bridge #0 is now NotFlood Setting Network Parameters Display Snmp Configuration Update NMS IP Address2IP Configuration Information Display Current IPDefault Gateway for the specified bridge Update DefaultIP Address for bridge #0 is updated to Default Gateway for bridge #0 is updated toDisplay Snmp Update SubnetMask Update NMS IP TrapsManaging System Functions Version Resetting systemDisplay Software Manage event messagesSoftware from Network Download StatusDownload Software from Erase SoftwareFrom Flash LocalDisplay Hardware Configuration Current system configuration mode Set SystemSet Store-and Forward ModeAfter the next reset 9Timeout Parameters Display TimeoutFor descriptions of the timeout parameters Following is a sample timeout parameters report CPI Timeout Delay DelaysUpdate Hardware Update Software Software timeout mechanismWrite-access PasswordUpdated Admin-access Event MessagesSystem hardware is reset and device is rebooted Enter 1III 7600 Card Capabilities Overview EthernetFast Ethernet Auto-negotiation Full or Half Duplex Mode10/100 Mbps transmission speed Transceiver type Cable type Number Pairs fibers 10 or 100 Mbps Speed2Cable Support by Transceiver Type Fast Ethernet Ports 11-6CHAPTER 11 Ethernet Lans and Bridges in the 7600 Card Transparent Bridges Address of a bridge port, called Self Spanning TreeProtocol Can be defined as followsSpanning Tree Protocol Designated Bridge on a LAN Spanning Tree port selection 4Port-dependent bridge parameters Parameters in -4 are set for individual bridge ports3Port-independent Bridge Parameters 11-12CHAPTER 11 Ethernet Lans and Bridges in the 7600 Card Virtual Lans ATM OverviewATM Basics Virtual Channels Interim Local Interface IlmiLAN Emulation BUS LAN Emulation Emulated LANConnections Control VCCsIllustrates the VCCs active among LAN Emulation Components 3LEC Configuration and Status Information Elan NameBridge acts like a standard transparent bridge BridgesBoth local and remote destination LANs in the ATM network 2Bridges in the 7600 Card 12-12CHAPTER 12 ATM, LAN EMULATION, and Virtual Lans Bridges in the 7600 Card Entry obtained by Topology flag Aged by Mode Bridge action Unknown unicast flooding mode5Unknown Unicast Flooding Mode Data Transmission over an ElanFlush protocol Parameter Description Minimum Default MaximumLEC Parameters Be set by managementVirtual LANs 12-18CHAPTER 12 ATM, LAN EMULATION, and Virtual Lans Virtual LANs in the 7600 Card 12-20CHAPTER 12 ATM, LAN EMULATION, and Virtual Lans Workgroups Each vLAN communicates with its server6Logical and Physical View of a Network With vLANs How Traffic Management is implemented within the 7600 Card ATM NetworkTopics are discussed 1Example of a source to destination ABR control loop This congestion information TrafficManagement Concepts Generate backward RM-cellsTraffic Functions7600 Card checks connected devices for Traffic Management ConfigurationATM technology without having cell loss due to congestion Found in the connected device13-6CHAPTER 13 Traffic Management in the ATM Network As shown. The traffic management is performed as follows 2Traffic Management control stepsDevice Management ProtocolsIn-Band Out-of-BandLocal Management 27600 Card Administration Console Snmp Agents Interface Evolution MIB Ncdchass MIB private Management Information Bases MIBsBridge MIB AToM MIB LE Client MIB Security 5Local Management Protocol Access Tuning Store-and-Forward ModeCard for extended periods of time. This usually occurs when Timeout TuningCut-Through Mode Terminating them as erred framesConsole Passwords On-Line Technical ServicesService 3Com Bulletin BoardCountry Fax Number Table A-2Automated Fax ServicePress Enter to see the Ask3Com main menu Table A-3Telephone Support Country Telephone NumberTable A-5Obtaining an RMA Number Table A-6Local Access NumbersTable A-4Network Supplier Support Country Telephone Number Fax NumberTroubleshooting Cleaning Dirty Fiber Optic Cables Related Diagnostic Procedures Physical Fast Ethernet Card C SpecificationsFast Ethernet Switching InterfacesIndicators EnvironmentalStandards Compliance Glossary Equipment DCE Interface NNI Call Out-of-bandPoint-to-point call ProtocolInterface UNI Index NumbersBUS Elan LEC ID NNI STP VCC Index