Enterasys VH-4802 manuale d’uso

9033630 V ERTICAL HORIZON VH-4802 F AST ETHERNET SWITCH USER GUIDE ELS100-48tx2m.book Page -i Thursday, Novem ber 16, 2000 4:59 PM[...]

ELS100-48tx2m.book Page 0 Thursday, Novem ber 16, 2000 4:59 PM[...]

Notice 9033630 i NOTICE Enterasys Networks reserves the right to make changes in specifications and other information contained in this document without prior notic e. The reader should in all c ases consult Enterasys Networks to determine whether any such changes hav e been made. The hardware, firmware, or software described in this manual is subj[...]

Notice ii 9033630 FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful int erference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NO TE: T his equipment has been tested and f[...]

Notice 9033630 iii • 21 CFR 1040.10 and 1040 .11 U.S. Department of Health and Human Services ( FD A). • IEC Publication 825 (I nternational Electrotechnical Commission). • CENELEC EN 6082 5 (European Committee fo r Electrotechnical Standardization) . • When operating within their performance limitations, laser transceiver output meets the [...]

Notice iv 9033630 SAFETY INFORMATION WICHTIGE SICHERHEITSHINWEISE (GERMANY) 1. Bitte lesen Sie diese Hi nweise sorgf ä ltig durch. 2. Heben Sie diese Anleitung f ü r den sp ä teren Gebrauch auf. 3. V or jedem Reinigen ist das Ger ä t vom Stromnetz zu tr ennen. V erwenden Sie keine Fl ü ssigoder Aerosolreiniger . Am besten eignet sich ein angef[...]

Notice 9033630 v ENTERASYS NETWORKS, INC. PROGRAM LICENSE AGREEMENT BEFORE OPENING OR UTILIZING THE ENC LOSED PR ODUCT , CAREFULL Y READ THIS LICENSE A GREEMENT . This document is an agreement ( “ Agreement ” ) between Y ou, the en d user , and Enterasys Networ ks, Inc. ( “ Enterasy s ” ) that sets forth your rights and obligations with res[...]

Notice vi 9033630 5. UNITED ST A TES GO VERNMENT RESTRI CTED RIGHTS . The enclosed Product (i) was dev eloped solely at priv ate expense; (ii) contains “ restricted computer software ” submitted with restricted rights in accordance with section 52.227-19 (a) through (d) of the Commercial Computer Software-Restricted Rights Clause and its succes[...]

Notice 9033630 vii DECLARATION OF CONFORMITY Application of Council Directi ve(s): 89/336/EEC 73/23/EEC Manufacturer ’ s N ame: Enterasys Networks, I nc. Manufactu rer ’ s Ad dress: 35 Industrial Way PO Box 5005 Rochester, NH 03867 European Representati ve Name: Mr. J. S ims European Representati ve Address: Enterasys Networks Limited Nexus Hou[...]

Notice viii 9033630 ELS100-48tx2m.book Page viii Thursday, November 16, 2000 4:59 PM[...]

9033630 Table of Contents ix TABLE OF CONTENTS PREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XI Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

x Table of Contents VH-4802 Remote Management via the Console Port . . . . . . . . . . . . . . . . . 22 In-Band Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Powering the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Network Cable Requirements . . . . . . . . . . . . . .[...]

9033630 Preface xi PREFACE Purpose This guide provi des information about the fe atures and application s of the Enterasys Networks Vertical Horizon VH-4802 switch system. Audience This guide is intended for Etherne t Local Area Network (LAN) administrators and Management Information Systems (MIS) personnel with the following ba ckground: • Worki[...]

xii Preface VH-4802 Other Conventions This guide u ses the following typographical convention s: • Initial Caps Menu titles and console menu selections. • [Enter] Used to designate the Enter or Return key. • courier font Screen messages and user prompts. • Selecti on Describes a use r-configur able user interfac e item. • Field Describes [...]

9033630 Product Overview 1 1. PRODUCT OVERVIEW This chapter provid es the following information: • Product Description • Features • Front and Rear Panel Compon ent Descriptions • Feature Summaries • Application Example Description This installatio n guide describes Enterasys Networks’ Vertical Hori zon VH-4802 Fast Ethernet switch. Th e[...]

2 Product Overview VH-4802 The VH-4802 switch is desktop or rack-mountable. LEDs on the front panel provide information about the opera ting status of the switch. The rear panel contains the power connector, redundan t power connector, serial console port, and two slots for the optional module s. The side panel includes two fans that maintain venti[...]

9033630 Product Overview 3 • Network Management: - SNMP compliant agent: MIB II (RFC 1213); Bridge MIB (RFC 1493); Ethernet-like MIB (RFC 1643); RMON - Statistics, History, Alarm and Event groups (RFC 1757); Interface Evolution MIB (RFC 1573); Q-MIB (IEEE 802.1Q); private MIB extensions - Access via in-band, Internet browse r, or Telnet - Console[...]

4 Product Overview VH-4802 Front Panel Figure 1-1 shows the front panel of the Enterasys Networks Vertical Horizon VH-4802 . Table 1-1 defines th e VH-4802 front pan el components. Figure 1-1. VH-4802 Front Panel Table 1-1. Front Panel Compo nents Name Function Power LED Lights steady green to indicate power is supplied to th e switch. Off indicate[...]

9033630 Product Overview 5 Optional Modules Figure 1-2 shows the optional modules available for the Enterasys Networks Vertical Horizon VH-4802. Ta ble 1-2 defines the optional module components. Figure 1 -2. Optional Modules Table 1-2 . Optional Mo dule Components Module Com ponents 100Base-FX (MMF) Ports: Two multi-mode fiber ports using SC conne[...]

6 Product Overview VH-4802 Rear Panel Figure 1-3 shows the VH-4802 rear panel and Table 1-3 de fines the rear panel components. Figure 1-3. VH-4802 Rear Panel Table 1-3. Rear Panel Components Name Function Power Connector Provides AC power to the switch. Redundant Power Connector This connector is provided for the option of ad ding an additional DC[...]

9033630 Product Overview 7 Feature Summaries The following summaries describ e VH-4802 features in areas such as standards complian ce, functionality, perfo rmance, and options. IEEE 802.1D Bridge The VH-4802 switch is fully compliant with IEEE 802.1D transparent bridging specification s. An address table is provided for learnin g, filtering, and f[...]

8 Product Overview VH-4802 Software Download The VH-4802 switch supports the industry-standard Trivial File Tra nsfer Protocol (TFTP) for downloading software to the switch. All switch software is stored in a 2 MB sectored flash ROM. The download feature allows you to easily install software upgrade s to the unit. Software can alternatively be down[...]

9033630 Product Overview 9 • SNMP-based netw ork manager, in-band The system can also be managed using SNMP, the most common protocol used today for network man agement. Standard agent MIBs embedded in the switch provide basi c SNMP management thro ugh industry-standard SNMP applicatio ns. Management security protection is provide d based on SNMP[...]

10 Product Overview VH-4802 Auto-neg otiation Auto-negotiation is a process that permits the switch to automatically select the operational modes of its 10/100 RJ-45 ports. Upon first being connected, the switch detects the speed of the network the port is connected to, eithe r 10Mbps or 100Mbps, and th e type of communication setting, half or fu l[...]

9033630 Product Overview 11 Flow Control Flow control allows you to manage network traffic during congestion periods and to prevent the loss of packets when port buffer thresholds are exceeded. Flow control also serves to deny access to additional traffic that could add to a congestion condition. Th e VH-4802 switch supports flow control per the IE[...]

12 Product Overview VH-4802 Factory Defaults Table 1-4 lists the defaul t settings for switch configuration parameters. Each parameter can be changed via the consol e menus or Telnet. Table 1 -4. Factory Default Setting s Parameter Default Value Multicast Filtering GMRP Disabled IGMP Multicast Filtering Disabled Port Configuration Flow Control Disa[...]

9033630 Product Overview 13 Virtual LANs Acceptable VLAN Fra me Type All Configurable PVID Tagging Yes GVRP Disabled Untagged VLAN Group Assignment 1 VLAN Ingress Filtering False VLAN Learning SVL Parameter Default Value ELS100-48tx2m.book Page 13 Thursday, November 16, 2000 4:59 PM[...]

14 Product Overview VH-4802 Application Examples The exploding pop ularity of the Internet and of corporate intranets, as we ll as new, high-band width desktop applications, are d riving the demand for Fast Ethernet. The increa se in multimedia traffic and th e need to suppo rt legacy protocols alongside new, data intensive appli cations is driving[...]

9033630 Product Overview 15 Client/Server Network Applicat ion To improve workstation per formance in a clien t/server environm ent, the VH-4802 switch can be configu red to provide 200 Mbps ful l duplex Fast Ethernet connections to servers by connecting each to a dedicated switch port (Figure 1-4). Users can be acco mmodated through connectio ns t[...]

16 Product Overview VH-4802 Local Backbone Application The VH-4802 switch can be used in a local backbone app lication, connecting network segmen ts together and providing file-server access (Figure 1-5). Workgroup hubs are provided with a single connectio n to the switch while serve rs are put on dedicated 1 00 Mbps ports. Routers and other networ[...]

9033630 Installation 1 7 2. INSTALLATION Inspecting Your Shipment When you receive the shipment of your switch, check the package contents and make sure you have the following items: • VH-4802 switch • Mounting ears and mounting screws • Four rubber feet • ESD wrist strap • Power cord • RS-232 null-modem cable • Product documentation [...]

18 Instal lation VH-4802 • Environmen tal Install the VH-4802 switch in a dry area, with adequate air circulation. Avoid placing the switch in direct sunl ight or near other heat sources, such as hot-air vents. For temperature and humidity specifications, see Appendix A, “Technical Specifications.” • Ventilation Do not restrict airflow by c[...]

9033630 Installation 1 9 Mounting the Switch in a Rack The switch ships with two (2) multi-position mounting ears and four (4) mounting screws. Figure 2-1 shows the orientation of the mo unting ears for attaching the ears to the switch for a rack mou nt application. Mount the switch with the front panel facing forward. Do the followin g: 1. Mount o[...]

20 Instal lation VH-4802 Installing an Optional Module into the Switch Optional module s are available for media expan sion. These modules can be installed into either of the two modular slots on the rear pa nel of the switch. To install an optio nal module into the switch, do the followi ng: 1. Disconnect power to the switch. 2. Remove the blank m[...]

9033630 Installation 2 1 Connecting a Terminal to the Console Port The console port is a serial RS-232 interface port that enables a connection to a terminal for perfo rming switch monitoring and configuration functions. The terminal may be a PC or workstation running terminal emula tion software, or a terminal configu red as a Data Terminal Equipm[...]

22 Instal lation VH-4802 3. Connect the other en d of the interface cable to a terminal (in some instances, an adapter may be required to make this connection). 4. From your terminal, start the termi nal emulation program. 5. Configure the termi nal to the following communication settin gs: VT100 emulation, 19200 baud , no parity, 8 data bits, 1 st[...]

9033630 Installation 2 3 Powering the Switch To supply power to the swi tch, connect the power cord to the switch and to a ground ed three-prong wall outlet (Figur e 2-4). See Append ix A, “Technical Specification s” on page 27 for more information regarding specific international power cord requiremen ts. Figure 2-4. Connecting the Power Co rd[...]

24 Instal lation VH-4802 Network Cable Requirements Copper Figure 2-1 specifi es the cable types and length constrai nts for the various copper interfaces o n the VH -4802. Table 2-1. Copper Cable Spe cifications Fiber Figure 2-2 specifies the fiber types, bandwidth requirements, and len gth constraints for the Fast Ethernet fiber interface on the [...]

9033630 Installation 2 5 Figure 2-4 specifies the fiber types, bandwidth requirements, and len gth constraints for the Gigabit Ethernet long-wa velength fiber interface on the fiber optic media module. Table 2-4. 1 000Base-LX Fiber Specifications 10Base-T/100Base-TX Ports The 10Base-T/100Bas e-TX ports use RJ-45 connectors. Figure 2-5 shows an RJ-4[...]

26 Instal lation VH-4802 100Base-FX/1000Base-SX/LX Fiber Ports The 100Base-FX an d 1000Base-SX/LX fiber ports use SC connectors. Figure 2-6 shows an SC fiber conne ctor being in serted into a fiber port on the VH-4802. Figure 2-6. Insertin g an SC Fiber Connector into a Fiber Port The fiber uplink modules emp loyed (Table 2-5) su pport multi-mode 6[...]

9033630 Technical Specifications 27 APPENDIX A. TECHNICAL SPECIFICATIONS General Standards Compliance IEEE 802.1D Transparent Bridging Specifications (ISO/IEC 10038) IEEE 802.1p Traffic Class Expediting and Dynami c Multicast Filtering IEEE 802.1Q Virtual Bridged Local Area Networks IEEE 802.2 Local Area Networks, Logical Link Control (LLC) IEEE 80[...]

28 Technical Sp ecifications VH-4802 Electrical Specifications Input voltage: 100-240 VAC Input frequency: 50-60 Hz Maximum power consumption: 90 VA Physical Specifications Height: 3.3 in. (8.4 cm) Length: 13.8 in. (35 cm) Width: 17.3 in. (44 cm mountable in a standard 19 in. rack) Weight: 10.63 lb. (4.82 kg) ELS100-48tx2m.book Page 28 Thursday, No[...]

9033630 Technical Specifications 29 Port Specifications Console Port Table A-1 shows the console port pin assignments. Table A-1. RS-232 Console Port Pin Assig nments 10Base-T and 10 0Base-TX Ports Table A-2 shows the 10Base-T/100Base-T X pinouts. These ports are wired MDI-X. All undefined pins are not used. Table A-2. 10Base-T/100Ba se-TX Pinouts [...]

30 Technical Sp ecifications VH-4802 MDI/MDI-X Crossover Cable Wiring Figure A-1 shows the wiring scheme for implemen ting a crossover cable if needed for connection to the switch’s 10Base -T or 100Base-TX ports. Such a cable may be required when connecting the switch to another switch or a hub device. Figure A-1. External Crossover Cable Wiring [...]

9033630 Technical Specifications 31 Country-Sp ecific Req uirements Table A-3 lists the power cord set requ irements by country and identifies the accredited agency within that country. Table A-3. Power Cord Set Requiremen ts by Country Note 1 Flexible cord mu st be <HAR> Type HO5VV-F or HO3VV-F, 3-conductor, 1.0 mm 2 , or 0.75 mm 2 con ducto[...]

32 Technical Sp ecifications VH-4802 Note 2 Flexible cord must be Type SV, SJ, SPT or equivalent, No. 18 AWG, 3-conductor. Wall plug mu st be a two-pole grounding type with a NEMA 5-15P (15A, 125V) or NEMA 6-15P (15A 250V) configuration. Note 3 Appliance coupler, flexib le cord, and wall plug must bear a “T” ma rk and registration number in acc[...]

9033630 Flow Control 33 APPENDIX B. FLOW CONTROL Flow control is a mechanism which allows you to protect the switch from overload conditions and to keep addi tional traffic off the network when excessive congestion will result. Figure B-1 il lustrates flow control for b oth half- and full-duplex appl ications. Figure B-1. Flow Contro l for Half- an[...]

34 Flow Control VH-4802 ELS100-48tx2m.book Page 34 Thursday, November 16, 2000 4:59 PM[...]

9033630 Acronyms & Abbreviation s 35 APPENDIX C. ACRONYMS & ABBREVIATIONS Term Definit ion 10Base-T 10 Mbps twisted-pair Ethernet 100Base-TX 100 Mbps twisted-p air Fast Ethernet 100Base-FX 100 Mbps fiber option Fast Ethernet 1000Base-SX 1000 Mbps fiber option short-wavelength Gigabit Ethernet 1000Base-LX 1000 Mbps fiber option long-waveleng[...]

36 Acronyms & Abbreviat ions VH-4802 SNMP Simple Network Management Protocol TCP/IP Transmission Control Protocol/Internet Protocol TFTP Trivial File Transfer Protoco l TXD Transmit Data UTP Unshielded Twisted Pair VLAN Virtual LAN Term Definit ion ELS100-48tx2m.book Page 36 Thursday, November 16, 2000 4:59 PM[...]

9033630 Index 1 INDEX 1000Base-LX cables, 25 module defined, 5 1000Base-SX cables, 24 module defined, 5 100Base-FX modules defined, 5 10Base-T/100Base-TX ports, 25 802.1D, 7 802.1p, 11 802.1Q, 3, 11 802.3, 25 802.3x, 11 A activity LEDs, 4 application examples, 14 architecture of switch, 2 auto-negotiation, 2, 10 B back-pressure flow control, 33 Boo[...]

2 Index VH-4802 I IEEE 802.1D, 7 IEEE 802.1p, 11 IEEE 802.1Q, 3, 11 IEEE 802.3, 25 IEEE 802.3x, 11, 33 in-band configuration, 8 in-band connection, 22 indicators, LED, 3 inspecting your shipment, 17 installation in a rack, 19 of optional modules, 20 on table or shelf, 18 requirements, 17 L laser safety, iii LED indicators, 3, 4, 10 Link LEDs define[...]

9033520 Index 3 serial port connecting to, 21 out-of-band management, 8 pin assignments, 29 short-wavelength fiber interface, 24 single-mode fiber, 24, 26 site requirements, 17 slots for modules, 6 SNMP-based network manager, 9 software features, 3 software tests, 23 Spanning Tree Protocol, 7 standards compliance, IEEE, 27 Status LEDs, module, 4 st[...]

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