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SmartSTACK 100
ELS100-24TXM
ETHERNET SWITCH
INSTALLATION
AND
USER GUIDE
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Only qualified personnel should perform installation procedures. NOTICE Cabletron Systems reserves the right to make changes in specifications and other informa- tion contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, or software described in this manual is subject to change without notice. IN NO EVENT SHALL CABLETRON SYSTEMS BE LIABLE FOR ANY INCIDENTAL, INDI-
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DOC NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from dig- ital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la class A prescrites dans le Règlement sur le brouillage radioélectrique édicté par le ministère des Communications du Canada. VCCI NOTICE This is a Class
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EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY 1. EXCLUSION OF WARRANTY. Except as may be specifically provided by Cabletron in writing, Cabletron makes no warranty, expressed or implied, concerning the Pro- gram (including its documentation and media). CABLETRON DISCLAIMS ALL WARRANTIES, OTHER THAN THOSE SUP- PLIED TO YOU BY CABLETRON IN WRITING, EITHER EXPRESSED OR IM- PLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH RE-
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DECLARATION OF CONFORMITY Application of Council Directive(s): 89/336/EEC 73/23/EEC Manufacturer’s Name: Cabletron Systems, Inc. Manufacturer’s Address: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representative Name: Mr. J. Solari European Representative Address: Cabletron Systems Limited Nexus House, Newbury Business Park London Road, Newbury Berkshire RG13 2PZ, England Conformance to Directive(s)/ Product Standards: EC Directive 89/336/EEC EC Directive 73/23/EEC EN 55022 EN 50
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TABLE OF CONTENTS PREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface i Purpose. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Message Formats . . . . . . . . . . . . . .
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Network Cable Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Copper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Fiber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 10Base-T/100Base-TX Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 100Base-FX Fiber Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Fiber Uplink Mo
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Downloading a Software Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Downloading Via the Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Downloading Via TFTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Configuring Spanning Tree Parameters . . . . . . . . . . . . . . . . . . . . . . . . 61 Configuring VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Configuring Class of Service. . . . . . . .
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Handling Duplicate Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Remapping Network Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 APPENDIX C. FLOW CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 APPENDIX D. VIRTUAL LANS (VLANS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 VLANs and Frame Tagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 ELS100-24TXM VLAN Configuration. . . . .
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PREFACE Purpose This guide provides information about the features and applications of the Cabletron Systems ELS100-24TXM switch as well as instructions for configuring and monitoring the switch. Audience This guide is intended for Ethernet local area network (LAN) administrators and Management Information Systems (MIS) personnel with the following background: • Working knowledge of Ethernet LANs • Familiarity with Transmission Control Protocol/Internet Protocol (TCP/IP) and Simple Network
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Keyboard Entries This guide uses the following conventions for keyboard entries: • When you read “enter,” type the text and press the [Enter] key. • Example: Enter the Gateway IP address and press the [Enter] key. • When you read “select,” type the letter associated with the parameter. Example: Select a from the System Configuration Menu to view the SNMP Configuration Menu. Other Conventions This guide uses the following typographical conventions: • Initial Caps Menu titles and console menu se
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Appendix A. Technical Specifications: Provides a list of standards compliance and certifications as well as physical and operational specifications. Appendix B. Spanning Tree Concepts: Describes the operation of the Spanning Tree Protocol and how it is used to resolve the problems of physical loops in a network. Appendix C. Flow Control: Describes how the flow control features are used to provide a mechanism for protecting the switch from overload conditions and to keep additional traffic
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1. PRODUCT OVERVIEW Description This installation and user guide describes the Cabletron Systems ELS100-24TXM Ethernet switch. The switch is IEEE 802.1D-compliant and supports 24 IEEE 802.3u 100Base-TX Fast Ethernet ports. Each port can alternatively operate as an IEEE 802.3i 10Base-T port. In addition, two of the switch’s ports support Fast Ethernet over fiber (IEEE 802.3u 100Base-FX) when a modular daughtercard is installed. The Cabletron ELS100-24TXM switch automatically learns end-stati
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Features • Ports: - 24 dual-speed 10Base-T/100Base-TX ports using RJ-45 connectors (MDI-X); 22 ports active when using modular slot for 100Base-FX connections - 1 modular slot for 2 100Base-FX ports using SC connectors • Architecture: - 8-port 10/100 switch ASIC in a distributed switching architecture - 4.2 Gbps internal switching fabric - 12 MB packet buffering (512 KB/port) - 4096 MAC address forwarding table per port; up to 12,288 addresses per system - IEEE 802.3u auto-negotiation for fu
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Front Panel Figure 1-1 shows the front panel of the ELS100-24TXM. Table 1-1 defines the ELS100-24TXM front panel components. Figure 1-1. ELS100-24TXM Front Panel Table 1-1. Front Panel Components Name Function 100Base-FX Fiber ports Fiber ports using SC fiber connectors for fiber uplink (Ports 1 and 2)* modules (see Table 2-3 for a list of available uplink modules). Fiber Ports 1 and 2 Indicates Link and Activity information (see Table 1-2 LEDs* for details). 10Base-T/100Base-TX Copper por
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Figure 1-2 shows the Link and Activity LEDs for the 2 100Base-FX ports (fiber port LED functions are defined in Table 1-2). The LEDs are positioned to the left of their associated port. Link LEDs Activity LEDs Figure 1-2. 100Base-FX Port LEDs Figure 1-3 shows the Link and Activity port LEDs for 24 10Base-T/ 100Base-TX ports (default configuration). When the fiber module is installed, ports 1 and 2 RJ-45 LEDs become disabled. Pressing the front panel LED mode button changes the operation o
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The port LEDs are grouped to the left of their corresponding RJ-45 ports. Table 1-2 defines the performance of the port LEDs for the 10Base-T/ 100Base-TX ports in both the default configuration and with the LED mode button pressed. Table 1-2. Port LEDs Defined Name Function Fiber Ports Link LED On: Indicates a valid connection (link) on the associat- ed port. Link LED Off: Indicates no link on the associated port. Activity LED flashing: Indicates the presence of transmit and/or receive activ
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Rear Panel Figure 1-5 shows the ELS100-24TXM rear panel and Table 1-3 defines the rear panel components. Figure 1-5. ELS100-24TXM Rear Panel Table 1-3. Rear Panel Components Name Function Power Connector Provides AC power to the switch. Power Switch Allows you to turn the switch power on and off. Fan Outlets Air exit vents through which internal fans discharge air for ventilation purposes. Feature Summaries The following summaries provide a brief description of ELS100-24TXM features in area
