Cabletron Systems ELS100 NOTICE, FCC NOTICE

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 LIAB L E FO R AN Y I NC ID EN T AL, IN DI-

RECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHA TSOEVER (INCLUDING BUT

NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS MANUAL OR

THE INFORMATION CONTAINED IN IT, EVE N IF CABLETRON SYS TEMS HAS BEEN

ADVISED OF, KNOWN, OR SHOULD HAVE KNO WN, THE POSSIBILITY OF SUCH DAM-

AGES.

© Copyright 1999 by Cabletron Systems, Inc., P.O. Box 5005, Rochester, NH 03866-5005

All Rights Reserved

Printed in the United States of America

Part Number: 9032579-03 January 1999

ELS100-24TX is a trademark of Cabletron Systems, Inc.

All other product names mentioned in this manual may be trademarks or registered trade-

marks of their respective companies.

FCC NOTICE

This device complies with Part 15 of the FCC rules. Operation is subj ect to the following two

conditions: (1) this device may not cause harmful interference, and (2) this device must

accept any interference received, incl uding i nterf erence that may cause und esired oper ation.

NOTE: This equipment has been tested and found to comply wit h the limit s for a Clas s A dig-

ital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide rea-

sonable protection against harmful interference when the equipment is operated in a

commercial environment. This equipment uses, generates, and can radiate radio frequency

energy and if not installed in accordance wi th the op erator’s man ual, may cause har mful inter-

ference to radio communications. Operation of this equipment in a residen tial are a is likely to

cause interference in which case the user will be required to correct the interference at his

own expense.

WARNING: Changes or modifications made to this device which are not expressly approved

by the party responsible for compliance could void the user’s authority to operate the equip-

ment.

Printed on Recycled Paper

Only qualified personnel should perform installation

procedures.

Contents

Main NOTICE FCC NOTICE DOC NOTICE VCCI NOTICE CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT CABLETRON SOFTWARE PROGRAM LICENSE EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY UNITED STATES GOVERNMENT RESTRICTED RIGHTS SAFETY INFORMATION LASER RADIATION AND CONNECTORS DECLARATION OF CONFORMITY Page TABLE OF CONTENTS Page Page Page PREFACE Purpose Audience Conventions Page Organization Getting Help 1. PRODUCT OVERVIEW Description Features Page Front Panel 4 Product Overview ELS100-24TX Figure 1-2. Port LEDs Default Configuration Figure 1-3. Port LEDs LED Mode Button Pressed The numbers above and below the port LEDs identify the LEDs associated with a specific RJ-45 port. Rear Panel Feature Summaries IEEE 802.1D Bridge Spanning Tree Protocol Frame Buffering and Frame Latency Software Download Non-volatile Parameter Storage Configuration and Management Interfac es RMON Port Mirroring Auto-negotiation Broadcast Throttling BootP/DHCP LEDs Full Duplex Mode Flow Control Application Examples Page Page 2. INSTALLATION Inspecting Your Shipment Site Requirements Page Mounting the Switch on a Wall Mounting the Switch in a Rack Connecting a Terminal to the Console Port Powering the Switch Power-Up Page Connecting Network Cables 3. ELS100-24TX USER INTERFACE Overview User Access Factory Defaults 24 ELS100-24TX User Interface ELS100-24TX Menu Hierarchy Figure 3-2 shows the ELS100-24TX switch user interface menu hierarchy. Figure 3-2. ELS100-24TX User Interface Menu Hierarchy Main Menu Figure 3-3. Main Menu System Configuration Menu Figure 3-4. System Configuration Menu SNMP Configuration Menu Figure 3-5. SNMP Configuration Menu Switch Configuration Menu Figure 3-6. Switch Configuration Menu Forwarding Table Configuration Menu Forwarding Table Configuration Menu (continued) Spanning Tree Configuration Menu Spanning Tree Configuration Menu (continued) Spanning Tree Port Configuration Menu Figure 3-9. Spanning Tree Port Configuration Menu Spanning Tree Port #n Configuration Menu VLAN Configuration Menu VLAN Menu VLAN #n Configuration Menu VLAN Port Menu Figure 3-14. VLAN Port Configuration Menu Class of Service Configuration Menu Port Priority Menu Figure 3-16. Port Priority Configuration Menu Port Menu Figure 3-17. Port Menu Port Configuration Menu Figure 3-18. Port Configuration Menu Switch Statistics Screen Figure 3-19. Switch Statistics Screen Switch Summary Screen Port Statistics Screen Figure 3-21. Port Statistics Screen continued on next page Figure 3-21 Port Statistics Screen (continued) General Information Screen Download Software Menu Save Current Configuration Return to Default Configuration Logout Reset 4. CONFIGURING & MONITORING THE SWITCH Common Tasks Setting Password Protection Assigning an IP Address Checking Network Configuration Status Connecting via Telnet Setting SNMP Management Access Viewing Switch Statistics Configuring Port Mirroring Downloading a Software Upgrade Downloading Via the Serial Port Downloading Via TFTP Configuring Spanning Tree Parameters Configuring VLANs Configuring Class of Service Configuring Port Operation Configuring the Forwarding Table Configuring Broadcast Throttling Setting a Default Gateway Configuring BootP/DHCP Page 5. SNMP MANAGEMENT The SNMP Protocol MIB Objects RFC 1213 (MIB-II) Page Cabletron Proprietary MIB Extensions Table 5-2. Switch Information Variables continued on next page Table 5-2 Switch Information Variables (continued) Compiling MIB Extensions: Cabletron Websit e http://www.cabletron.com Page APPENDIX A. TECHNICAL SPECIFICATIONS General Standards Compliance Certification Data Rate Page Port Specifications Console Port 10Base-T and 100Base-TX Ports Page Power Cord Set Requirements Note 1 Note 2 Note 3 APPENDIX B. SPANNING TREE CONCEPTS General Spanning Tree Features Spanning Tree Protocol in a Network Spanning Tree Protocol Parameters Table B-1. Spanning Tree Protocol Defaults Spanning Tree Protocol Operation Page APPENDIX C. FLOW CONTROL Page APPENDIX D. VIRTUAL LANS (VLANS) VLANs and Frame Tagging ELS100-24TX VLAN Configuration VLAN ID Ports in VLAN VLAN Egress Ports VLAN Access Ports VLAN Hybrid Ports Page VLAN Application Example APPENDIX E. CLASS OF SERVICE Page APPENDIX F. ACRONYMS & ABBREVIATIONS Page INDEX A B C D L M N P R T U V W