Cabletron Systems SmartSTACK 100 ELS100-24TX User's Guide

SmartSTACK 100ELS100-24TXETHERNET SWITCHINSTALLATIONANDUSER GUIDE

iv Table of Contents ELS100-24TXAPPENDIX E. CLASS OF SERVICE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89APPE

86 Virtual LANs (VLANs) ELS100-24TXVLAN Hybrid PortsA VLAN Hybrid port is used to connect one or more VLAN-aware or VLAN-unaware devices to the switc

9032579-03 Virtual LANs (VLANs) 87In Example 3 in Figure D-3B, an untagged frame arrives at the left port (1). The switch tags the frame with the PVI

88 Virtual LANs (VLANs) ELS100-24TXVLAN Application ExampleA network administrator can use VLANs to define user groups regardless of the physical LAN

9032579-03 Class Of Service 89APPENDIX E. CLASS OF SERVICEClass of Service support on the ELS100-24TX allows you to assign mission-critical data a hi

90 Class Of Service ELS100-24TXFigure E-1 shows priority queuing operating within a switch. Frames entering the switch through ports 1 and 4 are tagg

9032579-03 Acronyms & Abbreviations 91APPENDIX F. ACRONYMS & ABBREVIATIONSTerm Definition10Base-T 10 Mbps twisted-pair Ethernet100Base-TX 100

92 Acronyms & Abbreviations ELS100-24TXTerm DefinitionRXD Receive DataSNMP Simple Network Management ProtocolSTP Spanning Tree ProtocolTCP/IP Tra

9032579-03 Index 93INDEX10Base-T/100Base-TX pinouts, 7310Base-TX/100Base-TX ports, 20802.1DSpanning Tree Protocol, 56, 77802.1D Bridge, 6802.1p, 89802

94 Index ELS100-24TXLLED mode button, 3, 4, 5defined, 3LEDs, 4, 5, 9local backbone application, 12login, 22logout, 25, 49MMAC addresses, 59Main Menu,

9032579-03 Index 95Switch Summary Screen, 44System Configuration Menu, 25, 26TTelnet, 21connecting, 53terminal, 7, 17, 91Test LED, 19defined, 3TFTP d

9032579-03 Preface iPREFACEPurposeThis guide provides information about the features and applications of the ELS100-24TX switch as well as instructio

ii Preface ELS100-24TXKeyboard EntriesThis guide uses the following conventions for keyboard entries:•When you read “enter,” type the text and press

9032579-03 Preface iiiOrganizationChapter 1. Product Overview: Describes the features of the switch, front and rear panel components and application

iv Preface ELS100-24TXGetting HelpIf you need additional support for this device, or if you have any questions, comments, or suggestions concerning t

9032579-03 Product Overview 11. PRODUCT OVERVIEWDescriptionThis installation and user guide describes the Cabletron Systems ELS100-24TX Ethernet swit

2 Product Overview ELS100-24TX•Architecture:- 8-port 10/100 switch ASIC in a distributed switching architecture- 4.2 Gbps internal switching fabric-

9032579-03 Product Overview 3Front PanelFigure 1-1 shows the front panel of the ELS100-24TX. Table 1-1 defines the ELS100-24TX front panel components

4 Product Overview ELS100-24TXFigure 1-2 shows the Link and Activity port LEDs for 24 10Base-T/100Base-TX ports (default configuration). Pressing the

9032579-03 Product Overview 5Table 1-2. Port LEDs DefinedRear PanelFigure 1-4 shows the ELS100-24TX rear panel and Table 1-3 defines the rear panel

NOTICECabletron Systems reserves the right to make changes in specifications and other informa-tion contained in this document without prior notice. T

6 Product Overview ELS100-24TXFeature SummariesThe following summaries provide a brief description of ELS100-24TX features in areas such as standards

9032579-03 Product Overview 7Software Download The ELS100-24TX switch supports the industry-standard Trivial File Transfer Protocol (TFTP) for downlo

8 Product Overview ELS100-24TXRMONRMON (Remote Monitoring) is a facility used to manage networks remotely while providing multi-vendor interoperabili

9032579-03 Product Overview 9ELS100-24TX switch automatically adjusts to the network device’s communication settings. Auto-negotiation is configurabl

10 Product Overview ELS100-24TXFlow ControlFlow control allows you to manage network traffic during congestion periods and to prevent the loss of pac

9032579-03 Product Overview 11Client/Server Network ApplicationTo improve workstation performance in a client/server environment, the ELS100-24TX swi

12 Product Overview ELS100-24TXLocal Backbone ApplicationThe ELS100-24TX switch can be used in a local backbone application, connecting network segme

9032579-03 Installation 132. INSTALLATIONInspecting Your ShipmentWhen you receive the shipment of your switch, check the package contents and make su

14 Installation ELS100-24TXMounting the Switch on a Table or ShelfMount the switch on a table or shelf in a position which allows access to the front

9032579-03 Installation 15Mounting the Switch on a WallThe switch ships with two (2) multi-position mounting ears and four (4) mounting screws.Figure

DOC NOTICEThis digital apparatus does not exceed the Class A limits for radio noise emissions from dig-ital apparatus set out in the Radio Interferenc

16 Installation ELS100-24TXMounting the Switch in a RackThe switch ships with two (2) multi-position mounting ears and four (4) mounting screws. Figu

9032579-03 Installation 17Connecting a Terminal to the Console Port The console port is a serial RS-232 interface port that enables a connection to a

18 Installation ELS100-24TXPowering the SwitchTo supply power to the switch, do the following:1.Connect the power cord to the switch and to a grounde

9032579-03 Installation 19After these two tests are performed, the operational software of the switch is loaded. A series of more extensive diagnosti

20 Installation ELS100-24TXConnecting Network CablesNetwork cable must comply with the following requirements:•Category 3 or 5 Unshielded Twisted Pai

9032579-03 ELS100-24TX User Interface 213. ELS100-24TX USER INTERFACEOverviewWhen you have connected a terminal to the console port, or used Telnet t

22 ELS100-24TX User Interface ELS100-24TXUser AccessThere are two modes of access to the user interface: READ-ONLY and READ/WRITE. READ-ONLY access a

9032579-03 ELS100-24TX User Interface 23Factory DefaultsTable 3-1 lists the factory default settings for the switch configuration parameters. Each of

24 ELS100-24TX User Interface ELS100-24TXMenu HierarchyFigure 3-2 shows the ELS100-24TX switch user interface menu hierarchy.Figure 3-2. ELS100-24TX

9032579-03 ELS100-24TX User Interface 25Main MenuThe Main Menu is the first screen seen after successfully logging in to the system. Figure 3-3 shows

EXCLUSION OF WARRANTYAND DISCLAIMER OF LIABILITY1. EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabletron inwriting, Cabletron ma

26 ELS100-24TX User Interface ELS100-24TXSystem Configuration MenuThe System Configuration Menu enables modification of system-level switch configura

9032579-03 ELS100-24TX User Interface 27SNMP Configuration MenuThe SNMP Configuration Menu allows you to modify SNMP-related configuration parameters

28 ELS100-24TX User Interface ELS100-24TXSwitch Configuration MenuThe Switch Configuration Menu allows you to modify switching-related configuration

9032579-03 ELS100-24TX User Interface 29Forwarding Table Configuration MenuThe Forwarding Table Configuration Menu allows you to view and modify forw

30 ELS100-24TX User Interface ELS100-24TXForwarding Table Configuration Menu (continued)Selection DescriptionNext Page Displays the next page of the

9032579-03 ELS100-24TX User Interface 31Spanning Tree Configuration MenuThe Spanning Tree Configuration Menu allows you to view and modify Spanning T

32 ELS100-24TX User Interface ELS100-24TXSpanning Tree Configuration Menu (continued)Selection DescriptionSpanning Tree Protocol EnableAllows you to

9032579-03 ELS100-24TX User Interface 33Spanning Tree Port Configuration MenuThe Spanning Tree Port Configuration Menu allows you to view Spanning Tr

34 ELS100-24TX User Interface ELS100-24TXSpanning Tree Port #n Configuration MenuThe Spanning Tree Port #n Configuration Menu allows you to view Span

9032579-03 ELS100-24TX User Interface 35VLAN Configuration MenuThe VLAN Configuration Menu allows you to configure the operation of virtual LANs (VL

DECLARATION OF CONFORMITYApplication of Council Directive(s): 89/336/EEC73/23/EECManufacturer’s Name: Cabletron Systems, Inc.Manufacturer’s Address

36 ELS100-24TX User Interface ELS100-24TXVLAN MenuThe VLAN Menu displays the configuration of VLANs in the switch and allows access to the VLAN #n C

9032579-03 ELS100-24TX User Interface 37VLAN #n Configuration MenuThe VLAN #n Configuration Menu allows you to configure a name for a specific VLAN,

38 ELS100-24TX User Interface ELS100-24TXVLAN Port MenuThe VLAN Port Menu displays a table of VLAN configuration information on a per port basis and

9032579-03 ELS100-24TX User Interface 39Class of Service Configuration MenuThe Class of Service Configuration Menu allows you to configure Class of S

40 ELS100-24TX User Interface ELS100-24TXPort Priority MenuThe Port Priority Menu allows you to modify and display a table which shows priority queui

9032579-03 ELS100-24TX User Interface 41Port MenuThe Port Menu allows you to display information for each port in a table format, as well as to acces

42 ELS100-24TX User Interface ELS100-24TXPort Configuration MenuThe Port Configuration Menu allows you to configure port settings for a specific port

9032579-03 ELS100-24TX User Interface 43Switch Statistics ScreenThe Switch Statistics Screen provides a summary display of port-level statistics, and

44 ELS100-24TX User Interface ELS100-24TXSwitch Summary ScreenThe Switch Summary Screen allows you to display sum total statistics for all ports of t

9032579-03 ELS100-24TX User Interface 45Port Statistics ScreenThe Port Statistics Screen allows you to display statistics for each port on the switch

46 ELS100-24TX User Interface ELS100-24TXFigure 3-21 Port Statistics Screen (continued)Field DescriptionMulticasts Transmitted Total number of multic

9032579-03 ELS100-24TX User Interface 47General Information ScreenThe General Information Screen allows you to view general system information. Selec

48 ELS100-24TX User Interface ELS100-24TXDownload Software MenuThe Download Software Menu allows you to set up and initiate a software download. Sele

9032579-03 ELS100-24TX User Interface 49Save Current ConfigurationThe Save Current Configuration screen ensures that all changes made to the ELS100-2

50 ELS100-24TX User Interface ELS100-24TXResetThe Reset screen allows you to restore the latest saved configuration or system defaults if the system

9032579-03 Configuring & Monitoring The Switch 514. CONFIGURING & MONITORING THE SWITCHCommon TasksThe switch console menus allow you to modi

52 Configuring & Monitoring The Switch ELS100-24TXSetting Password ProtectionThe ELS100-24TX switch is factory-configured with access rights to t

9032579-03 Configuring & Monitoring The Switch 53Checking Network Configuration StatusTo check connection status for the network, do the followin

54 Configuring & Monitoring The Switch ELS100-24TX5.Select one or more Trap Destination entries from the menu and enterthe appropriate IP address

9032579-03 Configuring & Monitoring The Switch 55Downloading a Software UpgradeYou can upgrade the operational software in the ELS100-24TX switch

9032579-03 Table of Contents iTABLE OF CONTENTSPREFACE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

56 Configuring & Monitoring The Switch ELS100-24TXDownloading Via TFTPTo perform a TFTP download, you must first configure the ELS100-24TX switch

9032579-03 Configuring & Monitoring The Switch 57If the cosen path fails for any reason, a disabled alternative is activated, thereby maintaining

58 Configuring & Monitoring The Switch ELS100-24TX7.From the main VLAN Configuration Menu, select VLAN Port Menu to configure the VLAN port mode

9032579-03 Configuring & Monitoring The Switch 595. Select Flow Control Enable to toggle between enabling (Yes) or disabling (No) flow control on

60 Configuring & Monitoring The Switch ELS100-24TXTo either make an existing dynamic entry static (Make Entry Static) or delete a static entry (D

9032579-03 Configuring & Monitoring The Switch 61Setting a Default GatewayThe Default Gateway parameter defines the IP address of a router or oth

9032579-03 SNMP Management 635. SNMP MANAGEMENTThe SNMP ProtocolSNMP (Simple Network Management Protocol) is a communication protocol designed specif

64 SNMP Management ELS100-24TXThere are three main operations defined in SNMP:•Operations that read information from the managed device, such as thos

9032579-03 SNMP Management 65This MIB reports information about the protocols and network interfaces supported on the agent itself, as well as other

ii Table of Contents ELS100-24TX3. ELS100-24TX USER INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Over

66 SNMP Management ELS100-24TXCabletron Proprietary MIB ExtensionsAreas of ELS100-24TX switch functionality not covered by the standard RFC MIBs are

9032579-03 SNMP Management 67Table 5-2. Switch Information Variablescontinued on next pageVariable DescriptionSwitchIpAddress IP address of the swi

68 SNMP Management ELS100-24TXTable 5-2 Switch Information Variables (continued)Variable DescriptionSwitchMirroredPort Port to be mirrored from. Swi

9032579-03 SNMP Management 69Table 5-3. Port VariablesCompiling MIB Extensions: Cabletron WebsiteThe MIBs supported by the ELS100-24TX switch must b

9032579-03 Technical Specifications 71APPENDIX A. TECHNICAL SPECIFICATIONSGeneralStandards ComplianceIEEE 802.1D Transparent Bridging Specifications

72 Technical Specifications ELS100-24TXElectrical SpecificationsInput voltage: 100-240 VACInput frequency: 50-60 HzMaximum power consumption: 75 VAPh

9032579-03 Technical Specifications 73Port SpecificationsConsole PortTable A-1 shows the console port pin assignments.Table A-1. RS-232 Console Port

74 Technical Specifications ELS100-24TXMDI/MDI-X Crossover Cable WiringFigure A-1 shows the wiring scheme for implementing a crossover cable if neede

9032579-03 Technical Specifications 75Power Cord Set RequirementsThe wide-range input feature of the ELS100-24TX Ethernet switch permits it to operat

9032579-03 Table of Contents iii5. SNMP MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

76 Technical Specifications ELS100-24TXTable A-1. Power Cord Set Requirements by CountryNote 1Flexible cord must be <HAR> Type HO5VV-F or HO3V

9032579-03 Spanning Tree Concepts 77APPENDIX B. SPANNING TREE CONCEPTSGeneralThe IEEE 802.1D Spanning Tree Protocol resolves the problems of physical

78 Spanning Tree Concepts ELS100-24TXSpanning Tree Protocol in a NetworkFigure B-1 illustrates the use of three ELS100-24TX switches to establish an

9032579-03 Spanning Tree Concepts 79Table B-1. Spanning Tree Protocol DefaultsFor detailed information on the operation of the Spanning Tree Protoco

80 Spanning Tree Concepts ELS100-24TXCommunicating Between BridgesPeriodically, all devices running the Spanning Tree Protocol on a network transmit

9032579-03 Flow Control 81APPENDIX C. FLOW CONTROLFlow control is a mechanism which allows you to protect the switch from overload conditions and to

82 Flow Control ELS100-24TXThe pause frame flow control mechanism supported by the ELS100-24TX switch conforms with the IEEE 802.3x specification for

9032579-03 Virtual LANs (VLANs) 83APPENDIX D. VIRTUAL LANS (VLANS)VLANs and Frame TaggingThe ELS100-24TX supports IEEE 802.1Q-compliant virtual LANs

84 Virtual LANs (VLANs) ELS100-24TXIf the ELS100-24TX is so configured, and, if the frame does not already contain a tag, a VLAN identifier is placed

9032579-03 Virtual LANs (VLANs) 85VLAN Egress PortsThe VLAN Egress Ports parameter is used to assign ports to a VLAN for carrying VLAN tagged frames