Cabletron Systems ELS10-26 Betriebsanweisung

SmartSTACK 10ELS10-26 USER GUIDEELS10-26TXSTATUSPORT STATUS MODE10BASE-T/100BASE-TXFEPIM2X 4X 6X 8X 10X 12X 14X

viiiContents

A-8Technical SpecificationsFigure A-3. FE-100FXThe transmitter power levels and receive sensitivity levels listed are Peak Power Levels after optical

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

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

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

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

B-12Glossary

I-1INDEXNumerics10BASE-Tconnection 2-1010BASE-T pin assignments A-45 - 4 - 3 rule A-6802.1D Spanning Tree 3-10AaddingIP addresses 3-3address tabledyna

IndexI-2disablingbridging functions 3-6ports 4-10trunking 3-10, 3-14displayingbaud rate 4-13bridge functions 3-6FastNET 10 status 4-4IP addresses 3-4,

IndexI-3multicast storm protectiondefined 3-19MIB variables 3-19NNetwork connectionFE-100FX 2-13FX-100TX 2-11non-volatile memory 5-3noRIP option 4-11O

IndexI-4Wwiringcrossover A-6straight-through A-5

1-2Introduction • Chapter 5, ELS10-26 Diagnostics and Troubleshooting , describes the SmartSTACK 10 ELS10-26 diagnostics and provides information

Introduction1-3 Before calling Cabletron Systems Global Call Center, have the following information ready: • Your Cabletron Systems contract number •

1-4Introduction and an IP address to execute the ipaddr <port #> <IP address> command: ELS10-26 > ipaddr 6 192.138.217.40 Field valu

Introduction1-5 1.5 OVERVIEW The SmartSTACK 10 ELS10-26TX is an intelligent Ethernet-to-Ethernet switch that is configured with 25 IEEE 802.3 10BASE-

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 new devices to the network, change device addresses, and remove devices from the network without having to reconfigure the SmartSTACK

1-8Introduction network and when it is granted permission to transmit. In addition, full store and forward switching ensures data integrity, thus pre

Introduction1-9 By forwarding only packets addressed to devices on other network segments, the SmartSTACK 10 ELS10-26 reduces unnecessary traffic and

1-10Introduction If a packet’s address is not already stored in the Bridge Address Table, the SmartSTACK 10 ELS10-26 adds the learned address, associ

Introduction1-11 1.5.3 SmartSTACK 10 ELS10-26 Port Monitoring Port monitoring allows the SmartSTACK 10 ELS10-26 to redirect network traffic (includin

1-12Introduction SmartSTACK 10 ELS10-26 Trunking The SmartSTACK 10 ELS10-26 allows two trunk groups with up to eight ports each to be connected betwe

Introduction1-13Figure 1-5 illustrates how the SmartSTACK 10 ELS10-26 can be used in a backbone network configuration.Figure 1-5. SmartSTACK 10 ELS10-

1-14IntroductionFigure 1-6 illustrates connecting two SmartSTACK 10 ELS10-26 Fast Ethernet ports to increase the bandwidth to 200 Mbps.Figure 1-6. Sm

Introduction1-15Figure 1-7 illustrates how the SmartSTACK 10 ELS10-26 can be used in a backbone network configuration using increased bandwidth of the

1-16IntroductionFigure 1-8 shows two Ethernet segments, A and B, that do not include a SmartSTACK 10 ELS10-26.Figure 1-8. Multiple Ethernet Segments

Introduction1-17Figure 1-9 shows two Ethernet segments that take advantage of the virtual workgroup feature of the SmartSTACK 10 ELS10-26 and the incr

1-18IntroductionAs illustrated in the previous diagram, virtual workgroups allow you to associate multiple ports and define a workgroup. In reality, yo

Introduction1-191.6.1 Command Syntax ConventionsThe following conventions apply as you use LCM commands: • Press the Enter key to execute a command

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

1-20Introduction1.6.2 Basic LCM CommandsIf you are going to manage the SmartSTACK 10 ELS10-26 using LCM, you first must connect the SmartSTACK 10 ELS1

Introduction1-21ELS10-26 > helpELS10-26 Local Console Managerhelp or ? this menustatus [PORT-RANGE] to display unit or port statusbaud [BAUD-RATE]

1-22IntroductionEraseEntering erase to erase the current SmartSTACK 10 ELS10-26 configuration returns all parameters to the default values.Exit or Logo

2-1CHAPTER 2UNPACKING AND INSTALLINGYOUR ELS10-26Carefully unpack the ELS10-26 from the shipping carton and inspect it for possible damage. If any da

2-2Unpacking and Installing Your ELS10-26 Figure 2-1. ELS10-26 Front Panel ELS10-26TXSTATUSPORT STATUS MODE10BASE-T/100BASE-TXFEPIM2X 4X

Unpacking and Installing Your ELS10-262-3Table 2-1. Meaning of ELS10-26 LEDs LED MeaningPort Status ModeTXRXACTCOLFDX100MONUSROn – Indicates port is

2-4Unpacking and Installing Your ELS10-26Table 2-2 describes the ELS10-26 buttons.2.2 INSTALLING AN FEPIMThe ELS10-26 provides a slot for a Cabletron

Unpacking and Installing Your ELS10-262-5Figure 2-2. Installing an FEPIM1742-39FE-100TX101001615StandoffStandoffsModuleMotherboardConnectorModuleConn

2-6Unpacking and Installing Your ELS10-262.3 INSTALLING THE ELS10-26Rack-mounting an ELS10-26Table 2-3 describes some general considerations you shou

Unpacking and Installing Your ELS10-262-7The ELS10-26 can be rack-mounted in a standard 19-inch equipment cabinet. To mount the ELS10-26 in a rack ass

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 ELS10-264. Once the ELS10-26 is installed, plug the AC power cord into the AC power connector on the rear of the ELS1

Unpacking and Installing Your ELS10-262-92.5 CONNECTING THE LOCAL CONSOLE MANAGERThe Local Console Manager (LCM) is a command-line interface for confi

2-10Unpacking and Installing Your ELS10-26Refer to Section 2.6.3 to make a fiber optic connection to an FE-100FX.2.6.1 Connecting UTP Cables

Unpacking and Installing Your ELS10-262-11a. Check that the 10BASE-T device at the other end of the twisted pair segment is ON and connected to the se

2-12Unpacking and Installing Your ELS10-26determine if the wires have been crossed over for the proper connection.A schematic of a crossover cable is

Unpacking and Installing Your ELS10-262-13d. Make sure that the twisted pair connection meets dB loss and cable specifications.e. Confirm that the cro

2-14Unpacking and Installing Your ELS10-262. Insert one end of the SC connector into the FE-100FX installed in the ELS10-26. See Figure 2-8.3. At the

Unpacking and Installing Your ELS10-262-15b. Verify proper crossing over of fiber strands between the applicable port on the ELS10-26 and the fiber op

2-16Unpacking and Installing Your ELS10-26

3-1CHAPTER 3CONFIGURING YOUR ELS10-26The ELS10-26 does not require any additional configuration to operate as a standard, transparent switch. However,

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

3-2Configuring Your ELS10-26The following sections describe how to configure the optional parameters of the ELS10-26 using LCM commands, including: • As

Configuring Your ELS10-263-3 • Class B addresses are used for medium sized networks. The first two bytes identify the network and the last two identify

3-4Configuring Your ELS10-263.1.1 Displaying IP AddressesTo display IP addresses, subnet masks, and MAC addresses of all ports on the ELS10-26 you are

Configuring Your ELS10-263-5To change the subnet mask, at the LCM prompt: 1. Type ipaddr <PORT-NUMBER> <IP ADDRESS> <SUBNET MASK>For

3-6Configuring Your ELS10-26Using LCM to enable bridging for a port or port range, at the LCM prompt:1. Type bridge [PORT-RANGE [{off|on|noBPDU}]]For e

Configuring Your ELS10-263-7You could also type bridge [PORT-RANGE] to look at a specific range of ports. For example bridge 2-4 would display bridging

3-8Configuring Your ELS10-26Figure 3-1. Trunk ConnectionsTrunk GroupsEach set of connections between two ELS10-26s is called a Trunk Group. You can cr

Configuring Your ELS10-263-9Figure 3-2. Trunk GroupsTo enable trunking for the example shown, perform the following:1. Connect the desired ports of th

3-10Configuring Your ELS10-26For ELS10-26 B, at the LCM prompt:b. Type trunk 3-10,14-15 onFor ELS10-26 C, at the LCM prompt:c. Type trunk 3-10 onEach E

Configuring Your ELS10-263-113.7 DISPLAYING TRUNKING STATUSTo check the status of your current trunking configuration, at the LCM prompt:1. Type trunk

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

3-12Configuring Your ELS10-26The display could look like the following:The following conditions can be displayed: • Broken — Trunking is enabled, but t

Configuring Your ELS10-263-13 • Perturbed — Trunking is enabled, and a good trunk connection has been established. However, the forwarding of data pack

3-14Configuring Your ELS10-263.9 DISABLING MONITORINGTo turn off monitoring, at the LCM prompt:1. Type Mirror <PORT> offFor example, mirror 2 of

Configuring Your ELS10-263-15The display could look like the following:The following conditions can be displayed: • Rx only — Monitoring is enabled, bu

3-16Configuring Your ELS10-263.11 DEFINING AND DELETING WORKGROUPSThe ELS10-26 allows you to define logical groups of associated ports (virtual workgro

Configuring Your ELS10-263-17The LCM commands used to create the previous configuration are as follows:1. To create workgroup A on ports 3, 4, 5, 13, an

3-18Configuring Your ELS10-26To display information about a specific workgroup, at the LCM prompt:1. Type workgroup NAMETo create or modify a workgroup,

Configuring Your ELS10-263-195. LCM prompts you to verify the new community name by retyping it.6. Retype the new community name.3.13 CONFIGURING BROA

3-20Configuring Your ELS10-26 • lxifTxStormCnt – specifies the maximum number of multicasts that can be broadcast within the given time. •lxiTxStormTim

Configuring Your ELS10-263-213.16 SYSTEM NAMEThe system name is a name assigned to the ELS10-26 by the network administrator. By convention, the syste

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

3-22Configuring Your ELS10-26Set Community NameThe set community name variable (lxadminAnyPass) and get community name variable (lxadminGetPass) must b

4-1CHAPTER 4MONITORING AND MANAGINGYOUR ELS10-26Monitoring the ELS10-26 consists of collecting and analyzing statistics and system status information

4-2Monitoring and Managing Your ELS10-26ELS10-26 statistics are divided into four groups: • System statistics • Ethernet port statistics • Traffic anal

Monitoring and Managing Your ELS10-264-3 • The time since a topology change was last initiated. • The physical location of the ELS10-26. • The name an

4-4Monitoring and Managing Your ELS10-264.3 USING LCM TO CHECK ELS10-26 STATUSThe LCM commands that enable you to quickly check on the status of the

Monitoring and Managing Your ELS10-264-5If you do not want to view the status of each Ethernet port, use the Ctrl-C keys to return to the LCM prompt.S

4-6Monitoring and Managing Your ELS10-26If you do not want to view the status of port 2, use the Ctrl-C keys to return to the LCM prompt.You can view

Monitoring and Managing Your ELS10-264-7To display all MAC addresses, at the LCM prompt:1. Type addresses display anyLCM responds with a list of all M

4-8Monitoring and Managing Your ELS10-26LCM would display:The ipaddr command displays the IP addresses, subnet masks, and MAC addresses of all ELS10-2

Monitoring and Managing Your ELS10-264-94.4 MANAGING THE ELS10-26Managing the ELS10-26 consists of: • Disabling and enabling Ethernet ports • Changin

viContents 3.10 DISPLAYING MONITORING STATUS...3-123.11 DEFINING AND DELETING WORKGROUPS ...

4-10Monitoring and Managing Your ELS10-264.5.1 Disabling a PortThere can be times when you need to disable a specific Ethernet port, for example, afte

Monitoring and Managing Your ELS10-264-11For example, enable 7-9 would enable ports 7, 8, and 9.LCM responds:noRIP OptionThe Routing Information Proto

4-12Monitoring and Managing Your ELS10-26LCM displays the current IP address table, for example:To change the subnet mask, at the LCM prompt:1. Type i

Monitoring and Managing Your ELS10-264-133. Enter the new community name.LCM prompts you to verify the new community name by retyping it.4. Retype the

4-14Monitoring and Managing Your ELS10-26To change the baud rate setting, at the LCM prompt:1. Type baud <baud rate>For example, baud 9600 would

5-1CHAPTER 5ELS10-26 DIAGNOSTICS AND TROUBLESHOOTINGThe ELS10-26 incorporates built-in diagnostic and testing capabilities which are convenient to us

5-2ELS10-26 Diagnostics and Troubleshooting5. After several more seconds, the CPU LED will stay on, indicating that the power-up diagnostics sequence

ELS10-26 Diagnostics and Troubleshooting5-3The operational parameters of the ELS10-26 software are also protected by a checksum comparison. When the E

5-4ELS10-26 Diagnostics and TroubleshootingFigure 5-1. ELS10-26 Front Panel LEDsELS10-26TXSTATUSPORT STATUS MODE10BASE-T/100BASE-TXFEPIM2X 4X

ELS10-26 Diagnostics and Troubleshooting5-5Table 5-2 describes the ELS10-26 buttons.Table 5-1. Meaning of ELS10-26 LEDsLED MeaningPort Status ModeTX

Contentsvii CHAPTER 5 ELS10-26 DIAGNOSTICS AND TROUBLESHOOTING 5.1 POWER-UP DIAGNOSTICS...

5-6ELS10-26 Diagnostics and Troubleshooting5.4 TROUBLESHOOTINGThis section lists several situations that could happen while using the ELS10-26, and s

ELS10-26 Diagnostics and Troubleshooting5-75.5.2 ELS10-26 Has Rebooted • Use the LCM ident command to check the ELS10-26 diagnostic codes, and call y

5-8ELS10-26 Diagnostics and Troubleshooting

A-1APPENDIX ATECHNICAL SPECIFICATIONSA.1 ELS10-26 SPECIFICATIONSPhysical Height 1.75 in (4.45 cm)Width 17 in (43.18 cm)Depth 15.75 in (40 cm)Weight

A-2Technical SpecificationsEnvironmentalOperating temperature 5° to 40° C (41° to 104° F)Storage temperature -30° to 73° C (-22 ° to 164° F)Operating r

Technical SpecificationsA-3 • Transparent Bridging with Spanning Tree • Ethernet Version 2 • EIA RS232C (DTE-to-DCE Interface Specification) • EIA RS-31

A-4Technical SpecificationsTable A-2. DB9 Pin AssignmentsA.3 10BASE-T PIN ASSIGNMENTSAn Ethernet twisted-pair link segment requires two pairs of wir

Technical SpecificationsA-5Each twisted-pair link segment must have a male connector attached to both ends. According to the 10BASE-T specification, pin

A-6Technical SpecificationsA.5 CROSSOVER WIRINGTwo ELS10-26s can communicate only if the transmitter on one unit is connected to the receiver on the o

Technical SpecificationsA-7A.7 FEPIM SPECIFICATIONSThe ELS10-26 uses a Fast Ethernet Interface Module (FEPIM) to provide front panel cable connections