Cabletron Systems SmartSTACK 100 ELS100-24TXM Guide de l'utilisateur

SmartSTACK 100ELS100-24TXMETHERNET SWITCHINSTALLATIONANDUSER GUIDE

iv Table of Contents ELS100-24TXMHandling Duplicate Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84Remapping Network Topology

9032785 Flow Control 87APPENDIX C. FLOW CONTROLFlow control is a mechanism which allows you to protect the switch from overload conditions and to kee

88 Flow Control ELS100-24TXMThe ELS100-24TXM Port Statistics Screen indicates the number of pause frames that have been sent, indicating the number o

9032785 Virtual LANs (VLANs) 89APPENDIX D. VIRTUAL LANS (VLANS)VLANs and Frame TaggingThe ELS100-24TXM supports IEEE 802.1Q-compliant virtual LANs (V

90 Virtual LANs (VLANs) ELS100-24TXMIf the ELS100-24TXM is so configured, and, if the frame does not already contain a tag, a VLAN identifier is plac

9032785 Virtual LANs (VLANs) 91VLAN Egress PortsThe VLAN Egress Ports parameter is used to assign ports to a VLAN for carrying VLAN tagged frames acr

92 Virtual LANs (VLANs) ELS100-24TXMVLAN Hybrid PortsA VLAN Hybrid port is used to connect one or more VLAN-aware or VLAN-unaware devices to the swit

9032785 Virtual LANs (VLANs) 93In Example 3 in Figure D-3B, an untagged frame arrives at the left port (1). The switch tags the frame with the PVID f

94 Virtual LANs (VLANs) ELS100-24TXMVLAN Application ExampleA network administrator can use VLANs to define user groups regardless of the physical LA

9032785 Class Of Service 95APPENDIX E. CLASS OF SERVICEClass of Service support on the ELS100-24TXM allows you to assign mission-critical data a high

9032785 Preface iPREFACEPurposeThis guide provides information about the features and applications of the Cabletron Systems ELS100-24TXM switch as we

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

9032785 Acronyms & Abbreviations 97APPENDIX F. ACRONYMS & ABBREVIATIONSTerm Definition10Base-T 10Mbps twisted-pair Ethernet100Base-FX 100Mbps

98 Acronyms & Abbreviations ELS100-24TXM Term DefinitionRXD Receive DataSNMP Simple Network Management ProtocolSTP Spanning Tree ProtocolTCP/IP T

9032785 Index 99INDEX100Base-FX connectors, 2410Base-T/100Base-TX connectors, 2310Base-T/100Base-TX pinouts, 77, 79802.1DSpanning Tree Protocol, 61, 8

100 Index ELS100-24TXMIinspecting your shipment, 15IP addresssee assigning, 57LLED mode button, 3, 4, 5defined, 3LEDs, 4, 5, 10local backbone applica

9032785 Index 101Spanning Tree Protocoldefaults, 83Standards ComplianceIEEE, 75store-and-forward, 7, 83, 98subnet mask, 57Switch Configuration Menu,

102 Index ELS100-24TXM

DOCUMENT 591-0046-02A

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

9032785 Preface iiiAppendix A. Technical Specifications: Provides a list of standards compliance and certifications as well as physical and operation

9032785 Product Overview 11. PRODUCT OVERVIEWDescriptionThis installation and user guide describes the Cabletron Systems ELS100-24TXM Ethernet switch

2 Product Overview ELS100-24TXMFeatures•Ports:- 24 dual-speed 10Base-T/100Base-TX ports using RJ-45 connectors (MDI-X); 22 ports active when using mo

9032785 Product Overview 3Front PanelFigure 1-1 shows the front panel of the ELS100-24TXM. Table 1-1 defines the ELS100-24TXM front panel components.

4 Product Overview ELS100-24TXMFigure 1-2 shows the Link and Activity LEDs for the 2 100Base-FX ports (fiber port LED functions are defined in Table

9032785 Product Overview 5The port LEDs are grouped to the left of their corresponding RJ-45 ports. Table 1-2 defines the performance of the port LED

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 ELS100-24TXMRear PanelFigure 1-5 shows the ELS100-24TXM rear panel and Table 1-3 defines the rear panel components.Figure 1-5. EL

9032785 Product Overview 7Spanning Tree ProtocolThe ELS100-24TXM switch supports the IEEE 802.1D Spanning Tree Protocol. This protocol allows redunda

8 Product Overview ELS100-24TXMConfiguration and Management InterfacesThe ELS100-24TXM switch can be managed using any of the following three methods

9032785 Product Overview 9•Event: a function that operates with the Alarm group to define an action that will be taken when an alarm condition occurs

10 Product Overview ELS100-24TXMBootP/DHCPThe Bootstrap Protocol (BootP) and the Dynamic Host Configuration Protocol (DHCP) provide for the capabilit

9032785 Product Overview 11Class of ServiceClass of Service support allows you to assign a higher priority to selected traffic passing through the sw

12 Product Overview ELS100-24TXMClient/Server Network ApplicationTo improve workstation performance in a client/server environment, the ELS100-24TXM

9032785 Product Overview 13Local Backbone ApplicationThe ELS100-24TXM switch can be used in a local backbone application, connecting network segments

9032785 Installation 152. INSTALLATIONInspecting Your ShipmentWhen you receive the shipment of your switch, check the package contents and make sure

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 ELS100-24TXMMounting the Switch on a Table or ShelfMount the switch on a table or shelf in a position which allows access to the fron

9032785 Installation 17Mounting the Switch on a WallThe switch ships with two (2) multi-position mounting ears and four (4) mounting screws.Figure 2-

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

9032785 Installation 19Installing a Fiber Uplink Module into the SwitchThe fiber uplink module option permits you to enable 100Base-FX fiber connecti

20 Installation ELS100-24TXMConnecting a Terminal to the Console Port The console port is a serial RS-232 interface port that enables a connection to

9032785 Installation 215.Configure the terminal to the following communication settings: 9600 baud, no parity, 8 data bits, 1 stop bit, no hardware f

22 Installation ELS100-24TXM•MemoryMemory tests on the CPU RAM are performed after the serial port test. No results are displayed on the console.Afte

9032785 Installation 2310Base-T/100Base-TX PortsThe 10Base-T/100Base-TX ports use RJ-45 connectors. Figure 2-6 shows an RJ-45 connector being inserte

24 Installation ELS100-24TXM100Base-FX Fiber PortsThe 100Base-FX Fiber ports use SC connectors. Figure 2-7 shows an SC fiber connector being inserted

9032785 ELS100-24TXM User Interface 253. ELS100-24TXM USER INTERFACEOverviewWhen you have connected a terminal to the console port, or used Telnet to

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

26 ELS100-24TXM User Interface ELS100-24TXMUser AccessThere are two modes of access to the user interface: READ-ONLY and READ/WRITE. READ-ONLY access

9032785 ELS100-24TXM User Interface 27Factory DefaultsTable 3-1 lists the factory default settings for the switch configuration parameters. Each of t

28 ELS100-24TXM User Interface ELS100-24TXMMenu HierarchyFigure 3-2 shows the ELS100-24TXM switch user interface menu hierarchy.Figure 3-2. ELS100-2

9032785 ELS100-24TXM User Interface 29Main MenuThe Main Menu is the first screen seen after successfully logging in to the system. Figure 3-3 shows t

30 ELS100-24TXM User Interface ELS100-24TXMSystem Configuration MenuThe System Configuration Menu enables modification of system-level switch configu

9032785 ELS100-24TXM User Interface 31SNMP Configuration MenuThe SNMP Configuration Menu allows you to modify SNMP-related configuration parameters.

32 ELS100-24TXM User Interface ELS100-24TXMSwitch Configuration MenuThe Switch Configuration Menu allows you to modify switching-related configuratio

9032785 ELS100-24TXM User Interface 33Forwarding Table Configuration MenuThe Forwarding Table Configuration Menu allows you to view and modify forwar

34 ELS100-24TXM User Interface ELS100-24TXMSelection DescriptionDisplay Table Redisplays the forwarding table.Make Entry Static Makes a dynamic entry

9032785 ELS100-24TXM User Interface 35Spanning Tree Configuration MenuThe Spanning Tree Configuration Menu allows you to view and modify Spanning Tre

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

36 ELS100-24TXM User Interface ELS100-24TXMSelection DescriptionSpanning Tree Protocol EnableAllows you to enable (Yes) or disable (No) the global Sp

9032785 ELS100-24TXM User Interface 37Spanning Tree Port Configuration MenuThe Spanning Tree Port Configuration Menu allows you to view Spanning Tree

38 ELS100-24TXM User Interface ELS100-24TXMSpanning Tree Port #n Configuration MenuThe Spanning Tree Port #n Configuration Menu allows you to view Sp

9032785 ELS100-24TXM User Interface 39VLAN Configuration MenuThe VLAN Configuration Menu allows you to configure the operation of Virtual LANs (VLANs

40 ELS100-24TXM User Interface ELS100-24TXMVLAN MenuThe VLAN Menu displays the configuration of VLANs in the switch and allows access to the VLAN #n

9032785 ELS100-24TXM User Interface 41VLAN #n Configuration MenuThe VLAN #n Configuration Menu allows you to configure a name for a specific VLAN, ad

42 ELS100-24TXM User Interface ELS100-24TXMVLAN Port MenuThe VLAN Port Menu displays a table of VLAN configuration information on a per port basis an

9032785 ELS100-24TXM User Interface 43Class of Service Configuration MenuThe Class of Service Configuration Menu allows you to configure Class of Ser

44 ELS100-24TXM User Interface ELS100-24TXMPort Priority MenuThe Port Priority Menu allows you to modify and display a table which shows Class of Ser

9032785 ELS100-24TXM User Interface 45Port MenuThe Port Menu allows you to display information for each port in a table format, as well as to access

46 ELS100-24TXM User Interface ELS100-24TXMPort Configuration MenuThe Port Configuration Menu allows you to configure port settings for a specific po

9032785 ELS100-24TXM User Interface 47Switch Statistics ScreenThe Switch Statistics Screen provides a summary display of port-level statistics, and p

48 ELS100-24TXM User Interface ELS100-24TXMSwitch Summary ScreenThe Switch Summary Screen allows you to display sum total statistics for all ports of

9032785 ELS100-24TXM User Interface 49Port Statistics ScreenThe Port Statistics Screen allows you to display statistics for each port on the switch.

50 ELS100-24TXM User Interface ELS100-24TXMField DescriptionMulticasts Transmitted Total number of multicast frames transmitted on the port.Multicast

9032785 ELS100-24TXM User Interface 51General Information ScreenThe General Information Screen allows you to view general system information. Select

52 ELS100-24TXM User Interface ELS100-24TXMDownload Software MenuThe Download Software Menu allows you to set up and initiate a software download. Se

9032785 ELS100-24TXM User Interface 53Save Current ConfigurationThe Save Current Configuration screen ensures that all changes made to the ELS100-24T

54 ELS100-24TXM User Interface ELS100-24TXMResetThe Reset screen allows you to perform a switch hardware reset. You are first prompted as to whether

9032785 Configuring & Monitoring the Switch 554. CONFIGURING & MONITORING THE SWITCHCommon TasksThe switch console menus allow you to modify

ELS100-24TXM Table of Contents iTABLE OF CONTENTSPREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

56 Configuring & Monitoring the Switch ELS100-24TXMSetting Password ProtectionThe ELS100-24TXM switch is factory-configured with access rights to

9032785 Configuring & Monitoring the Switch 57Assigning an IP AddressTo assign an IP address to the switch, do the following:1.Select System Conf

58 Configuring & Monitoring the Switch ELS100-24TXMSetting SNMP Management Access Access to the ELS100-24TXM switch through SNMP is controlled by

9032785 Configuring & Monitoring the Switch 59Configuring Port MirroringYou can mirror the traffic being switched on any port for the purposes of

60 Configuring & Monitoring the Switch ELS100-24TXMDownloading Via the Serial PortA serial download is the easiest method to upgrade the ELS100-2

9032785 Configuring & Monitoring the Switch 614.If necessary, configure the address of an IP gateway to reach the server from the switch using th

62 Configuring & Monitoring the Switch ELS100-24TXMConfiguring VLANsA virtual LAN (VLAN) is a group of devices on one or more LANs that are confi

9032785 Configuring & Monitoring the Switch 63To configure Class of Service, do the following:1.Select Class of Service Configuration Menu from t

64 Configuring & Monitoring the Switch ELS100-24TXM7.Select Full Duplex to toggle between Yes (Full Duplex) and No (Half Duplex) mode on the port

9032785 Configuring & Monitoring the Switch 65To either make an existing dynamic entry static (Make Entry Static) or delete a static entry (Delet

ii Table of Contents ELS100-24TXMNetwork Cable Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Copper . . . . . . . .

66 Configuring & Monitoring the Switch ELS100-24TXMSetting a Default GatewayThe Default Gateway parameter defines the IP address of a router or o

9032785 SNMP Management 675. SNMP MANAGEMENTThe SNMP ProtocolSNMP (Simple Network Management Protocol) is a communication protocol designed specifica

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

9032785 SNMP Management 69This MIB reports information about the protocols and network interfaces supported on the agent itself, as well as other gen

70 SNMP Management ELS100-24TXMCabletron Systems Proprietary MIB ExtensionsAreas of ELS100-24TXM switch functionality not covered by the standard RFC

9032785 SNMP Management 71Table 5-1. System Information VariablesTable 5-2. Switch Information Variablescontinued on next pageVariable DescriptionS

72 SNMP Management ELS100-24TXMTable 5-2 Switch Information Variables (continued)Variable DescriptionSwitchMirroredPort Port to be mirrored from. Sw

9032785 SNMP Management 73Table 5-3. Port VariablesCompiling MIB Extensions: Cabletron WebsiteThe MIBs supported by the ELS100-24TXM switch must be

9032785 Technical Specifications 75APPENDIX A. TECHNICAL SPECIFICATIONSGeneralStandards ComplianceIEEE 802.1D Transparent Bridging Specifications (IS

ELS100-24TXM Table of Contents iiiDownloading a Software Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59Downloading Via the Seria

76 Technical Specifications ELS100-24TXMElectrical SpecificationsInput voltage: 100-240 VACInput frequency: 50-60 HzMaximum power consumption: 75 VAP

9032785 Technical Specifications 77Port SpecificationsConsole PortTable A-1 shows the console port pin assignments.Table A-1. RS-232 Console Port Pi

78 Technical Specifications ELS100-24TXMMDI/MDI-X Crossover Cable WiringFigure A-1 shows the wiring scheme for implementing a crossover cable if need

9032785 Technical Specifications 79Country-Specific RequirementsTable A-3 lists the power cord set requirements by country and identifies the accredi

9032785 Spanning Tree Concepts 81APPENDIX B. SPANNING TREE CONCEPTSGeneralThe IEEE 802.1D Spanning Tree Protocol resolves the problems of physical lo

82 Spanning Tree Concepts ELS100-24TXMSpanning Tree Protocol in a NetworkFigure B-1 illustrates the use of three ELS100-24TXM switches to establish a

9032785 Spanning Tree Concepts 83Spanning Tree Protocol ParametersSeveral configuration parameters control the operation of the Spanning Tree Protoco

84 Spanning Tree Concepts ELS100-24TXMSpanning Tree Protocol OperationWhen the Spanning Tree Protocol is enabled for the first time or when there is

9032785 Spanning Tree Concepts 85There are five (5) states that the ports can be in for spanning tree:•Blocking: A port in this state does not partic