Cabletron Systems SmartSTACK 100 ELS100-16TX User's Guide

SmartSTACK 100ELS100-16TXUSER GUIDEPWRCPURESETCOMPORT STATUS MODETX ACT FDX MONRX COL 100 USRSTATUSELS100-16TXEPIM100EPIM10010X 12X 14X

viiiContents

B-2GlossarybackboneThe major, central transmission path for a network. A backbone usually handles high-volume, high-density traffic. Typically a backbo

GlossaryB-3congestionA condition where a portion of the network is overloaded with more data than can be transmitted in the desired time period.CSMA/C

B-4GlossaryencapsulationA method for moving messages across networks that use different types of protocols. The message is encapsulated (rather than t

GlossaryB-5ICMP (Internet control message protocol)An auxiliary protocol of IP used to convey advice and error messages about events in the IP layer.I

B-6GlossaryinternetworkingThe linking of one or more networks to facilitate communication across networks.interoperabilityThe ability of equipment fro

GlossaryB-7MAC (media access control)The data link layer sublayer responsible for scheduling, transmitting, and receiving data on a shared medium loca

B-8GlossaryOSI (Open Systems Interconnection)Refers to the OSI reference model, a logical structure for network operations. OSI is the internationally

GlossaryB-9protocolA set of rules used by computers and related devices to communicate with each other.protocol suiteA group of protocols related to a

B-10GlossaryswitchAn intelligent, protocol independent device used to connect similar or dissimilar LANs.symbolThe smallest signaling element used by

GlossaryB-11upstreamRefers to the relative position of a station in a network to another station in the same network. A station is upstream from its n

1-1 CHAPTER 1INTRODUCTION1.1 ABOUT THIS MANUAL This manual is for system administrators responsible for configuring, monitoring, and maintaining the

B-12Glossary

1-2Introduction • Chapter 5, ELS100-16TX Diagnostics and Troubleshooting , describes the SmartSTACK 100 ELS100-16TX diagnostics and provides info

Introduction1-3 • A description of any action(s) already taken to resolve the problem (e.g., changing mode switches, rebooting the unit, etc.) • The

1-4Introduction The following conventions are also used in this document: 1.4 RELATED DOCUMENTATION The following documentation may assist the user

Introduction1-5 1.5 OVERVIEW The SmartSTACK 100 ELS100-16TX is an intelligent Ethernet-to-Ethernet switch that is configured with 16 IEEE 802.3 10/1

1-6Introduction • Operates in either Half Duplex or Full Duplex modes on all ports. • Implements the Spanning Tree protocol (802.1d). • Configured wi

Introduction1-7 The SmartSTACK ELS100-16TX goes beyond switching basics incorporating unique management features, including, RMON statistics and Broa

1-8Introduction Access Control (MAC) sub-layer of the Data Link layer. Figure 1-2 shows the OSI Reference Model. Figure 1-2. OSI Reference Model Por

Introduction1-9 ports allowing the switch port and an attached device to negotiate for full or half-duplex modes of operation. The SmartSTACK 100 ELS

1-10Introduction Figure 1-3. Typical Switching Application By forwarding only packets addressed to devices on other network segments, the SmartSTACK

Introduction1-11 packets to the LAN. If there is a cable break or a port failure, the network topology is automatically reconfigured by the Spanning T

1-12Introduction Each dynamic entry includes: • An Ethernet MAC address • A single port number of the LAN on which the address resides • The age of t

Introduction1-13 SmartSTACK 100 ELS100-16TX Trunking The SmartSTACK 100 ELS100-16TX allows two trunk groups with up to eight ports each to be connect

1-14Introduction Figure 1-4 illustrates the trunking of multiple SmartSTACK 100 ELS100-16TX ports to increase the bandwidth. Figure 1-4. SmartSTACK

Introduction1-15 Figure 1-5 shows two Ethernet segments, A and B, that do not include a SmartSTACK 100 ELS100-16TX. Figure 1-5. Multiple Ethernet Se

1-16Introduction Figure 1-6 shows two Ethernet segments that take advantage of the virtual workgroup feature of the SmartSTACK 100 ELS100-16TX and th

Introduction1-17 As illustrated in the previous diagram, virtual workgroups allow you to associate multiple ports and define a workgroup. In reality,

1-18Introduction 1.6.1 Command Syntax Conventions The following conventions apply as you use LCM commands: • Press the Enter key to execute a com

Introduction1-191.6.2 Basic LCM CommandsIf you are going to manage the SmartSTACK 100 ELS100-16TX using LCM, you first must connect the SmartSTACK 100

i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice.

1-20IntroductionELS100-16 > helpELS100-16TX Local Console Managerhelp or ? this menustatus [PORT-RANGE] to display unit or port statusbaud [BAUD-RA

Introduction1-21EraseEntering erase to erase the current SmartSTACK 100 ELS100-16TX configuration returns all parameters to the default values.Exit or

1-22Introduction

2-1CHAPTER 2UNPACKING AND INSTALLINGYOUR ELS100-16TXCarefully unpack the ELS100-16TX from the shipping carton and inspect it for possible damage. If

2-2Unpacking and Installing Your ELS100-16TX Figure 2-1. ELS100-16TX Front Panel PWRCPURESETCOMPORT STATUS MODETX ACT FDX MONRX COL 100 USRSTATUSELS1

Unpacking and Installing Your ELS100-16TX2-3Table 2-1. Meaning of ELS100-16TX LEDs LED State MeaningPort Status ModeTXRXACTCOLFDX100MONUSROnOnOnOnOn

2-4Unpacking and Installing Your ELS100-16TXTable 2-2 describes the ELS100-16TX buttons.2.2 INSTALLING AN EPIMThe ELS100-16TX provides two slots for

Unpacking and Installing Your ELS100-16TX2-5Figure 2-2. Installing an EPIM10X 12X 14X 16X9X 11X 13X 15XEPIM100

2-6Unpacking and Installing Your ELS100-16TX2.3 INSTALLING THE ELS100-16TXRack-Mounting an ELS100-16TXTable 2-3 describes some general considerations

Unpacking and Installing Your ELS100-16TX2-7.Figure 2-3. Attaching Rackmount Brackets2. Place the ELS100-16TX chassis in the cabinet.3. Secure the EL

Noticeii DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio I

2-8Unpacking and Installing Your ELS100-16TX4. Once the ELS100-16TX is installed, plug the AC power cord into the AC power connector on the rear of th

Unpacking and Installing Your ELS100-16TX2-9To connect the LCM:1. Connect your ASCII terminal or terminal emulator to the out-of-band management RS232

2-10Unpacking and Installing Your ELS100-16TX2.6.1 Connecting UTP Cables Before connecting a segment to the ELS100-16TX, check each end of the segmen

Unpacking and Installing Your ELS100-16TX2-11b. Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts (Figure 2-6) and c

2-12Unpacking and Installing Your ELS100-16TXFiber Optic Network Connection1. Remove the protective plastic covers from the fiber optic ports on the ap

Unpacking and Installing Your ELS100-16TX2-13Figure 2-7. EPIM-100FX Port4. Verify that a Link exists by checking that the port LINK LED is solid gree

2-14Unpacking and Installing Your ELS100-16TX

3-1CHAPTER 3CONFIGURING YOUR ELS100-16TXThe ELS100-16TX does not require any additional configuration to operate as a standard, transparent switch. Ho

3-2Configuring Your ELS100-16TXThe following sections describe how to configure the optional parameters of the ELS100-16TX using LCM commands, including

Configuring Your ELS100-16TX3-3 • Class B addresses are used for medium sized networks. The first two bytes identify the network and the last two identi

Noticeiii CABLETRON SOFTWARE PROGRAM LICENSE 1. LICENSE. You have the right to use only the one (1) copy of the Program provided in this package subj

3-4Configuring Your ELS100-16TX3.1.1 Displaying IP AddressesTo display IP addresses, subnet masks, and MAC addresses of all ports on the ELS100-16TX y

Configuring Your ELS100-16TX3-5To change the subnet mask, at the LCM prompt: 1. Type ipaddr <PORT-NUMBER> <IP ADDRESS> <SUBNET MASK>F

3-6Configuring Your ELS100-16TXUsing LCM to enable bridging for a port or port range, at the LCM prompt:1. Type bridge [PORT-RANGE [{off|on|noBPDU}]]Fo

Configuring Your ELS100-16TX3-7You could also type bridge [PORT-RANGE] to look at a specific range of ports. For example bridge 2-4 would display bridgi

3-8Configuring Your ELS100-16TXFigure 3-1. Trunk ConnectionsTrunk GroupsEach set of connections between two ELS100-16TXs is called a Trunk Group. You

Configuring Your ELS100-16TX3-9Figure 3-2. Trunk GroupsTo enable trunking for the example shown, perform the following:1. Connect the desired ports of

3-10Configuring Your ELS100-16TXFor ELS100-16TX B, at the LCM prompt:b. Type trunk 3-10,14-15 onFor ELS100-16TX C, at the LCM prompt:c. Type trunk 3-10

Configuring Your ELS100-16TX3-113.7 DISPLAYING TRUNKING STATUSTo check the status of your current trunking configuration, at the LCM prompt:1. Type tru

3-12Configuring Your ELS100-16TXThe display could look like the following:The following conditions can be displayed: • Broken — Trunking is enabled, bu

Configuring Your ELS100-16TX3-13 • Perturbed — Trunking is enabled, and a good trunk connection has been established. However, the forwarding of data p

Noticeiv DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC73/23/EEC Manufacturer’s Name: Cabletron Systems, Inc. Manufacturer

3-14Configuring Your ELS100-16TX3.10 DISPLAYING MIRRORING STATUSTo check the status of your current mirroring configuration, at the LCM prompt:1. Type

Configuring Your ELS100-16TX3-15To check the status for ports configured for mirroring: 1. Type status <PORT>The display could look like the follo

3-16Configuring Your ELS100-16TX3.11 DEFINING AND DELETING WORKGROUPSThe ELS100-16TX allows you to define logical groups of associated ports (virtual w

Configuring Your ELS100-16TX3-17The LCM commands used to create the previous configuration are as follows:1. To create workgroup A on ports 3, 4, 5, 13,

3-18Configuring Your ELS100-16TXTo display information about a specific workgroup, at the LCM prompt:1. Type workgroup NAMETo create or modify a workgro

Configuring Your ELS100-16TX3-195. LCM prompts you to verify the new community name by retyping it.6. Retype the new community name.3.13 CONFIGURING B

3-20Configuring Your ELS100-16TXThe two Management Information Base (MIB) variables for configuring multicast storm protection are: • kxifTxStormCnt –

Configuring Your ELS100-16TX3-213.16 SYSTEM NAMEThe system name is a name assigned to the ELS100-16TX by the network administrator. By convention, the

3-22Configuring Your ELS100-16TXSet Community NameThe set community name variable (kxadminAnyPass) and get community name variable (kxadminGetPass) mus

4-1CHAPTER 4MONITORING AND MANAGINGYOUR ELS100-16TXMonitoring the ELS100-16TX consists of collecting and analyzing statistics and system status infor

v CONTENTS CHAPTER 1 INTRODUCTION 1.1 ABOUT THIS MANUAL...1-11.2 GETTING HELP

4-2Monitoring and Managing Your ELS100-16TXELS100-16TX statistics are divided into four groups: • System statistics • Ethernet port statistics • Traffi

Monitoring and Managing Your ELS100-16TX4-3 • The number of spanning tree topology changes that have occurred since the ELS100-16TX was last reset. •

4-4Monitoring and Managing Your ELS100-16TX4.3 USING LCM TO CHECK ELS100-16TX STATUSThe LCM commands that enable you to quickly check on the status o

Monitoring and Managing Your ELS100-16TX4-5If you do not want to view the status of each Ethernet port, use the Ctrl-C keys to return to the LCM promp

4-6Monitoring and Managing Your ELS100-16TXIf you do not want to view the status of port 2, use the Ctrl-C keys to return to the LCM prompt.You can vi

Monitoring and Managing Your ELS100-16TX4-7To display all MAC addresses, at the LCM prompt:1. Type addresses display anyLCM responds with a list of al

4-8Monitoring and Managing Your ELS100-16TXLCM would display:The ipaddr command displays the IP addresses, subnet masks, and MAC addresses of all ELS1

Monitoring and Managing Your ELS100-16TX4-94.4 MANAGING THE ELS100-16TXManaging the ELS100-16TX consists of: • Disabling and enabling Ethernet ports

4-10Monitoring and Managing Your ELS100-16TX4.5.1 Disabling a PortThere can be times when you need to disable a specific Ethernet port, for example, a

Monitoring and Managing Your ELS100-16TX4-11For example, enable 7-9 would enable ports 7, 8, and 9.LCM responds:noRIP OptionThe Routing Information Pr

viContents 3.10 DISPLAYING MIRRORING STATUS ...3-143.11 DEFINING AND DELETING WORKGROUPS...

4-12Monitoring and Managing Your ELS100-16TXLCM displays the current IP address table, for example:To change the subnet mask, at the LCM prompt:1. Typ

Monitoring and Managing Your ELS100-16TX4-133. Enter the new community name.LCM prompts you to verify the new community name by retyping it.4. Retype

4-14Monitoring and Managing Your ELS100-16TXTo change the baud rate setting, at the LCM prompt:1. Type baud <baud rate>For example, baud 9600 wo

5-1CHAPTER 5ELS100-16TX DIAGNOSTICS AND TROUBLESHOOTINGThe ELS100-16TX incorporates built-in diagnostic and testing capabilities which are convenient

5-2ELS100-16TX Diagnostics and Troubleshooting5.1.2 Specific Power-up TestsThe power-up diagnostic tests performed on the ELS100-16TX include: • ROM c

ELS100-16TX Diagnostics and Troubleshooting5-35.1.4 Power-up Diagnostics ResultsAfter completion of the power-up diagnostic sequence, both the Power

5-4ELS100-16TX Diagnostics and TroubleshootingFigure 5-1. ELS100-16TX Front Panel LEDsPWRCPURESETCOMPORT STATUS MODETX ACT FDX MONRX COL 100 USRSTATU

ELS100-16TX Diagnostics and Troubleshooting5-5Table 5-1. Meaning of ELS100-16TX LEDsLED State MeaningPort Status ModeTXRXACTCOLFDX100MONUSROnOnOnOnO

5-6ELS100-16TX Diagnostics and TroubleshootingTable 5-2 describes the ELS100-16TX buttons.5.4 TROUBLESHOOTINGThis section lists several situations th

ELS100-16TX Diagnostics and Troubleshooting5-75.5.1 Connectivity Problems • Check for LED abnormalities. • Check port status using LCM. • Check for l

Contentsvii 5.2 RESPONSES TO FAILURES AT POWER-UP...5-35.3 STATUS AND ACTIVITY INDICATORS...

5-8ELS100-16TX Diagnostics and Troubleshooting

A-1APPENDIX ATECHNICAL SPECIFICATIONSA.1 ELS100-16TX SPECIFICATIONSPhysical Height 2.55 in (6.48 cm)Width 17 in (43.18 cm)Depth 15.5 in (39.4 cm)Wei

A-2Technical SpecificationsDiagnostic LEDsIndividual port link statusIndividual port segment status Segment status, specifying one of the following:- T

Technical SpecificationsA-3Address Table Size8,192 dynamic entries Management Support • MIB II, 802.1d, 802.3, and Cabletron Enterprise MIB • Cabletron

A-4Technical SpecificationsTable A-2. DB9 Pin AssignmentsA.3 100BASE-T PIN ASSIGNMENTSAn Ethernet twisted-pair link segment requires two pairs of wi

Technical SpecificationsA-5a. The “+” and “-” signs are used to represent the polarity of the two wires that make up each wire pair.A.4 STRAIGHT-THRO

A-6Technical SpecificationsA.6 THE 5 - 4 - 3 RULEBetween any two nodes (i.e., PCs or other stations) on the network, there can be: • Up to five segment

Technical SpecificationsA-7Figure A-2. EPIM-100FXSpecifications for the EPIM-100FX are listed in Table A-6. The transmitter power levels and receive se

A-8Technical Specifications

B-1APPENDIX BGLOSSARYaddressA set of characters that uniquely identifies a station, peripheral device, node, or other unit in a network.address tableA