Manuale d’uso / di manutenzione del prodotto 2E42-27 del fabbricante Cabletron Systems
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9031960-05 2E42-27/2E42-27R/2E43-27/2E43-27R Smar tSwitch 2200 User’ s Guide 1 2 3 4 5 6 7 8 11 12 13 14 15 16 9 10 17 18 19 20 21 22 23 24 2E42-27 COM PWR CPU RESET 1X 3X 5X 7X 9X 11X 13X 15X 17X 1.
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2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes ha ve been made.
Notice ii 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide INDUSTRY CANADA NOTICE This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.
Notice 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide iii CABLETRON SOFTWARE PROGRAM LICENSE 1. LICENSE . You have the right to use only the one (1) copy of the Program provided in this package subject to the terms and conditions of this License Agreement.
Notice iv 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide SAFETY INFORMATION CLASS 1 LASER TRANSCEIVERS THE FE-100F3 FAST ETHERNET INTERFACE MODULE, FPIM-05 AND FPIM-07 FDDI PORT INTERFACE MODULES, AND APIM-29 ATM PORT INTERFACE MODULE USE CLASS 1 LASER TRANSCEIVERS.
Notice 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide v DECLARATION OF CONFORMITY Application of Council Directiv e(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 Representativ e Name: Mr.
Notice vi 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide vii CONTENTS CHAPTER 1 INTRODUCTION 1.1 Using This Guide ......................................................................... 1-1 1.2 Structure of This Guide.......................................
Contents viii 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3.4 Connecting to the Network ........................................................... 3-9 3.4.1 Connecting UTP Cables to Ports 1 Through 24 .............. 3-9 3.4.1.1 2E42-27 or 2E42-27R Cable Connections.
Contents 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide ix 5.8 SNMP Community Names Screen ............................................ 5-31 5.8.1 Establishing Community Names ................................... 5-32 5.9 SNMP Traps Screen..........
Contents x 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide APPENDIX A SPECIFICATIONS A.1 Device Specifications .................................................................. A-1 A.2 Physical Properties ...........................................
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1-1 CHAPTER 1 INTR ODUCTION W elcome to the 2E42-27/2E42-27R/2E43-27/2E43-27R SmartSwitch 2200 User’s Guide .
Chapter 1: Introduction 1-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Appendix A , Specifications , contains information on functionality and operating specifications, connector pinouts, en vironmental requirements, and physical properties.
2E4X-27 Features 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1-3 • A 24-port high-speed workgroup switch with two optional ports for Fast Ethernet Interf ace Modules providing high speed uplinks to 100 Mbps Fast Ethernet technologies and one optional port for a High Speed Interface Module (HSIM).
Chapter 1: Introduction 1-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1.4 2E4X-27 OVERVIEW The 2E4X-27 is a 27-port high-speed network switching de vice that supports traditional switching (bridging) and Cabletron Systems SecureFast Switching V irtual Netw ork technology .
2E4X-27 Overview 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1-5 All of the de vices hav e two front panel slots (ports 25 and 26) for optional Fast Ethernet Interf ace Modules to support an uplink to 100 Mbps Fast Ethernet backbones or a high speed connection to a local server .
Chapter 1: Introduction 1-6 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1.4.4 Runtime IP Address Disco very This feature enables the 2E42-27 to automatically accept an IP address from a Boot Strap Protocol (BootP) server on the netw ork into NVRAM without requiring a user to enter an IP address through Local Management.
2E4X-27 Overview 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1-7 1.4.6 Switching Options The 2E4X-27 provides 802.1D Switching, 802.1Q switching or SecureFast Switching V irtual Netw ork Services between all of the front panel interfaces including an y installed Fast Ethernet Interf ace Modules and HSIM.
Chapter 1: Introduction 1-8 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1.4.10 Optional Features Options for the 2E4X-27 include Fast Ethernet Interf ace Modules and High Speed Interface Modules to add additional interface capability .
Document Con ventions 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1-9 1.5 DOCUMENT CON VENTIONS The follo wing con ventions are used throughout this document: NO TE Note symbol. Calls the reader’ s attention to any item of inf ormation that may be of special impor tance.
Chapter 1: Introduction 1-10 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1.6 GETTING HELP For additional support related to this de vice or document, contact the Cabletron Systems Global Call Ce.
Related Manuals 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 1-11 1.7 RELATED MANUALS The follo wing manuals may help to set up, control, and manage the 2E4X-27: Cabletron Systems HSIM-A6DP User.
Chapter 1: Introduction 1-12 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 2-1 CHAPTER 2 NETW ORK REQUIREMENTS Before installing the 2E4X-27 or Fast Ethernet Interf ace Module (FE-100TX, FE-100FX, or FE-100F3), re vie w the requirements and specifications referred to in this chapter concerning the follo wing: • SmartT runk ( Section 2.
Chapter 2: Network Requirements 2-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 2.3 100B ASE-TX NETW ORK The 2E4X-27, with an FE-100TX installed in ports 25 and 26, provides an RJ45 connection that supports UTP cabling, which has an impedance of 85 to 111 ohms.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-1 CHAPTER 3 INSTALLATION This chapter provides all instructions required to install the 2E4X-27. A Phillips scre wdri ver is required to install the de vice. Follo w the order of the sections listed belo w to correctly install the 2E4X-27.
Chapter 3: Installation 3-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3.1 UNPACKING THE 2E4X-27 1. Open the box and remove the packing material protecting the 2E4X-27. 2. Verify the contents of the carton as listed in T able 3-1 . 3. Remove the black and yellow tape seal on the non-conductive bag to remove the 2E4X-27.
Installing the 2E4X-27 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-3 3.3 INSTALLING THE 2E4X-27 The 2E4X-27 may be installed on a tabletop, shelf, or in a 19-inch rack. Section 3.3.1 describes a tabletop or shelf installation and Section 3.3.2 describes the rackmount installation.
Chapter 3: Installation 3-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Figure 3-1 T abletop or Shelf Installation 3.3.2 Rackmount Installation T o install the 2E4X-27 in a 19-inch rack, Cabletron Systems includes an accessory kit containing the rackmount brackets, mounting scre ws, and a strain-relief bracket for cable management.
Installing the 2E4X-27 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-5 Installation Rack mounting the 2E4X-27 in volves the follo wing: • Attaching the strain-relief bracket • Rack mounting .
Chapter 3: Installation 3-6 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Rack Mounting the 2E4X-27 Proceed as follo ws to install the 2E4X-27 into a 19-inch rack. 1. Remove and discard the four cover screws (two from each side) located along the front edges of each side of the 2E4X-27.
Installing the 2E4X-27 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-7 3.3.3 Connecting P ower to the 2E42-27 or 2E43-27 T o connect the 2E42-27 or 2E43-27 to a power source, proceed as follo ws: 1. Plug the power cord into a grounded wall outlet.
Chapter 3: Installation 3-8 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3.3.4 Connecting P ower to the 2E42-27R or 2E43-27R T o connect the 2E42-27R or 2E43-27R to the power sources, proceed as follo ws: 1. Plug each power cord into a grounded wall outlet, see Figure 3-5 .
Connecting to the Network 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-9 3.4 CONNECTING TO THE NETWORK This section provides the procedures for connecting UTP and fiber optic segments from the netw ork or other de vices to the 2E4X-27. Ports 1 through 24 on the 2E42-27 and 2E42-27R hav e RJ45 connectors for UTP connections.
Chapter 3: Installation 3-10 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3.4.1.1 2E42-27 or 2E42-27R Cable Connections Ports 1 through 24 of the 2E42-27 or 2E42-27R are 10B ASE-T ports with internal crossov ers. When connecting a workstation, use a straight-through cable.
Connecting to the Network 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-11 b. Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts ( Figure 3-7 ) and check the cable for continuity. Figure 3-7 Cable Pinouts - (RJ45) Crosso ver Cable c.
Chapter 3: Installation 3-12 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide T o connect an RJ21, proceed as follows: 1. Ensure that the device connected to the other end of the segment is powered ON.
Connecting to the Network 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-13 3. Tighten the two screws on the RJ21 straight cable connector or RJ21 angle adapter, as applicable, to secure it to the device. 4. If using the RJ21 angle adapter, plug the RJ21 right-angled connector as shown in Figure 3-9 .
Chapter 3: Installation 3-14 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide When connecting networking de vices, such as another bridge, repeater , or router , use a straight-through cable and set the Fast Ethernet Interface Module crossov er switch sho wn in Figure 3-10 to the not crossed ov er position, marked with =.
Connecting to the Network 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-15 e. Confirm that the crossover switch is in the correct position. If a link is not established, contact the Cabletron Systems Global Call Center. Refer to Section 1.6 for details.
Chapter 3: Installation 3-16 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 2. Insert one end of the SC connector into the FE-100FX or FE-100F3 installed in the 2E4X-27. See Figure 3-11 . 3. At the other end of the fiber optic cable, attach the SC connector to the other device.
Completing the Installation 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3-17 3.5 COMPLETING THE INSTALLATION After installing the 2E4X-27 and any optional F ast Ethernet Interface Modules and HSIM as appropriate, and making the connections to the network, proceed as follo ws: 1.
Chapter 3: Installation 3-18 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4-1 CHAPTER 4 T R OUBLESHOOTING This chapter provides information concerning the follo wing: • Using the LANVIEW diagnostic and status monitoring system • T roubleshooting network and 2E4X-27 operational problems • Using the RESET button 4.
Chapter 4: T roubleshooting 4-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide NO TE The terms flashing , blinking , and solid used in the follo wing tables indicate the f ollowing: Flashing indicates an LED flashing randomly . Blinking indicates an LED flashing at a steady rate (appro ximately 50% on, 50% off).
Using LANVIEW 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4-3 RX (Receive) Off No link. No activity . P or t enabled or disabled. No error . Green Solid . P or t enabled, link, no activity . No error . Blinking . Po r t disabled, link. No error .
Chapter 4: T roubleshooting 4-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4.2 FE-100TX LED The optional FE-100TX has one LED labeled 10/100. The 10/100 LED together with the recei v e LED allo ws the user to determine the link status and the operating speed of the Fast Ethernet Interf ace Module.
FE-100TX LED 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4-5 T able 4-3 10/100 LED Indications When RX LED Is Off NO TE No link e xists if the associated por t (25 or 26) RX (Receiv e) LED is off . LED Color Indication 10/100 Off No link or no cable attached.
Chapter 4: T roubleshooting 4-6 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4.3 T ROUBLESHOOTING CHEC KLIST If the 2E4X-27 is not working properly , refer to T able 4-4 for a checklist of possible problems, causes, and recommended actions to resolve the problem.
Using the RESET Button 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4-7 4.4 USING THE RESET BUTTON The RESET button sho wn in Figure 4-3 resets the 2E4X-27 processor without af fecting the NVRAM. Figure 4-3 RESET Button T o reset the 2E4X-27 processor, use a pen or pencil to press and release the RESET button.
Chapter 4: T roubleshooting 4-8 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-1 CHAPTER 5 LOCAL MANAGEMENT This chapter explains ho w to set up a management terminal to access Local Management.
Chapter 5: Local Management 5-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.2 LOCAL MANAGEMENT KE YBOAR D CON VENTIONS All ke y names appear as capital letters in this manual. T able 5-1 explains the ke yboard con ventions and the ke y functions that are used.
Management T erminal Setup 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-3 5.3 MANAGEMENT T ERMINAL SETUP Use one of the follo wing systems to access Local Management: • An IBM or compatible P.
Chapter 5: Local Management 5-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.3.1 Console Cable Connection Use the Console Cable Kit provided with the 2E4X-27 to attach the management terminal to the 2E4X-27 COM port as sho wn in Figure 5-1 .
Management T erminal Setup 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-5 5.3.2 Management T erminal Setup P arameters T able 5-2 lists the setup parameters for the local management terminal.
Chapter 5: Local Management 5-6 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.3.3 Monitoring an Uninterruptible P ower Suppl y If the 2E4X-27 is connected to an Uninterruptible Po wer Supply (UP.
Accessing Local Management 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-7 5.4 ACCESSING LOCAL MANAGEMENT Access to Local Management is controlled through the Passw ord screen Figure 5-3 . Whene ver a connection is made to the 2E4X-27 the Passw ord screen displays.
Chapter 5: Local Management 5-8 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.4.1 Navigating Local Mana gement Screens The 2E4X-27 Local Management application consists of a series of menu screens. Navigate through Local Management by selecting items from the menu screens.
Accessing Local Management 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-9 Figure 5-4 802.1D Switching Mode, LM Screen Hierar chy Figure 5-5 802.
Chapter 5: Local Management 5-10 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Figure 5-6 SecureFast VLAN Mode, LM Screen Hierarc hy 5.4.2 Selecting Local Management Menu Screen Items Select items on a menu screen by performing the follo wing steps: 1.
Accessing Local Management 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-11 Using the RETURN Command T o exit LM using the RETURN command, proceed as follows: 1. Use the arrow keys to highlight the RETURN command at the bottom of the Local Management screen.
Chapter 5: Local Management 5-12 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.5 DEVICE MEN U SCREEN The De vice Menu screen is the access point for all Local Management screens.
Device Men u Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-13 DEVICE ST A TISTICS The De vice Statistics screen provides statistics and performance information for the 2E4X-27.
Chapter 5: Local Management 5-14 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.6 DEVICE CONFIGURATION MEN U SCREEN The De vice Configuration Menu screen, Figure 5-8 , provides access to Local M.
Device Configuration Men u Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-15 The follo wing briefly explains each screen accessible from the De vice Configuration Menu screen: GENERAL CONFIGURA TION The General Configuration screen allo ws the user to monitor and configure operating parameters for the 2E4X-27.
Chapter 5: Local Management 5-16 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.7 GENERAL CONFIGURATION SCREEN The General Configuration screen, Figure 5-9 , allo ws the user to set the system date and time, IP addresses and Subnet Masks, the Default Gate w ay , the TFTP Gate w ay IP address, and the COM port configuration.
General Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-17 Subnet Mask (Modifiable) Displays the subnet mask for the 2E4X-27.
Chapter 5: Local Management 5-18 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Device Uptime (Read-Only) Displays the total time that the de vice has been operating. Operational Mode (T oggle) Allo ws the user to set the 2E4X-27 so it operates as a traditional switch (802.
General Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-19 Clear NVRAM (T oggle) This allo ws the user to reset NVRAM to the factory default settings. All user-entered parameters, such as IP address and Community Names, are then replaced with 2E4X-27 default configuration settings.
Chapter 5: Local Management 5-20 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Figure 5-10 Configuration W arning Screen 5. Use the arrow keys to highlight the YES command, then press ENTER.
General Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-21 4. Use the arrow keys to highlight the SAVE command, then press ENTER. The warning screen shown in Figure 5-11 displays. Figure 5-11 Configuration W arning Screen 5.
Chapter 5: Local Management 5-22 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3. Press ENTER. If the default gateway entered is a valid format, the cursor returns to the beginning of the Default Gateway field. If the entry is not valid, the Event Message Line displays “INVALID DEFAULT GATEWAY OR FORMAT ENTERED”.
General Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-23 5.7.5 Setting the Device Date T o set the system date, perform the following steps: 1. Use the arrow keys to highlight the Device Date field. 2. Enter the date in an MM/DD/YYYY format.
Chapter 5: Local Management 5-24 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.7.7 Entering a New Screen Refresh Time The screen refresh time is set from 3 to 99 seconds with a default of 3 seconds. T o set a ne w screen refresh time, perform the follo wing steps: 1.
General Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-25 5.7.9 Setting the Operational Mode T o set the Operational Mode, proceed as follows: 1. Use the arrow keys to highlight the Operational Mode field. 2. Press the SPACE bar to step to the appropriate operation mode ( 802.
Chapter 5: Local Management 5-26 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4. Use the arrow keys to highlight the YES command, then press ENTER. The changes are saved and the device reboots. 5.7.10 Configuring the COM P or t Upon po wer up, the COM port is configured to the default settings of EN ABLED and LM.
General Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-27 2. Press the SPACE bar to choose either ENABLED or DISABLED . ENABLED allo ws the COM port to be connected to the terminal and used for a particular application. DISABLED does not allo w the COM port connection to the terminal.
Chapter 5: Local Management 5-28 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3. Use the arrow keys to highlight YES . Press ENTER. 4. If you ENABLED the port, proceed to step 5. If you DISABLED the port, use the arrow keys to highlight SAVE at the bottom of the screen, then press ENTER.
General Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-29 5.7.11 Clearing NVRAM Clearing NVRAM allo ws the user to clear all user-entered parameters, such as, the IP address and Community Names from NVRAM. Clear NVRAM as follo ws: 1.
Chapter 5: Local Management 5-30 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Figure 5-14 Clear NVRAM W arning Screen 5. Press YES and the message “CLEARING NVRAM. REBOOT IN PROGRESS...” displays. 6. The 2E4X-27 clears NVRAM and reboots. All user-entered parameters default to factory default settings.
SNMP Community Names Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-31 5.8 SNMP COMMUNITY NAMES SCREEN The SNMP Community Names screen allo ws the user to set SNMP Management community names. Community names act as passwords to Local/Remote Management and are agents of security access to the 2E4X-27.
Chapter 5: Local Management 5-32 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide The follo wing explains each SNMP Community Names screen field: Community Name (Modifiab le) Displays the user-defined name through which a user accesses the 2E4X-27 SNMP Management.
SNMP Community Names Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-33 T o establish community names, proceed as follows: 1. Use the arrow keys to highlight the Community Name field adjacent to the selected access level. 2. Enter the password in the field (maximum 31 characters).
Chapter 5: Local Management 5-34 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.9 SNMP T RAPS SCREEN Since the 2E4X-27 is an SNMP compliant de vice, it can send messages to multiple Network Management Stations to alert users of status changes. The SNMP T raps screen is shown in Figure 5-16 .
SNMP T raps Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-35 Enable T raps (T oggle) Enables transmission of the traps to the network management station with the associated IP address. This field toggles between YES and NO . 5.9.1 Configuring the T rap T able T o configure the T rap table, proceed as follows: 1.
Chapter 5: Local Management 5-36 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.10 SWITCH CONFIGURATION SCREEN The Switch Configuration screen, Figure 5-17 , provides the basic setup options to make a switch operational in your network.
Switch Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-37 Number of P or ts (Read-Only) Displays the total number of switched ports on the 2E4X-27. Depending on the number of optional interfaces installed, there can be up to 27 ports.
Chapter 5: Local Management 5-38 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Status (T oggle) Allo ws the user to disable or enable a port by setting the status of the listed interface to either EN ABLED or DISABLED. T o set the port status, refer to Section 5.
Ethernet Full Duplex Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-39 3. Use the arrow keys to highlight the SAVE command at the bottom of the screen.
Chapter 5: Local Management 5-40 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide This section explains each field of the Full Duple x Configuration screen.
Ethernet Full Duplex Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-41 SET ALL PORTS (T oggle) All ports (1 through 24) can be set at once to either STANDARD or FULL from this field. T o set ports, refer to Section 5.11.1 .
Chapter 5: Local Management 5-42 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide T o set the Operation Mode for all ports (1-24), proceed as follows: 1. Use the arrow keys to highlight the SET ALL PORTS field. 2. Press the SPACE bar until you see FULL or STANDARD .
Device Specific Configuration Men u Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-43 Figure 5-19 Device Specific Configuration Menu Screen The follo wing explains each selectable item.
Chapter 5: Local Management 5-44 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide FLASH DO WNLO AD The FLASH Do wnload screen allo ws the user to do wnload information from FLASH memory and force the 2E4X-27 to do wnload a ne w image file from a TFTP serv er .
System Resources Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-45 T o access the System Resources screen from the Device Specific Configuration Menu screen, use the arro w keys to highlight the SYSTEM RESOURCES menu item and press ENTER.
Chapter 5: Local Management 5-46 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide NVRAM Installed (Read-only) Indicates the amount of NVRAM installed in the 2E4X-27 and ho w much of it is currently av ailable. Current Switch Utilization (Read-only) Sho ws ho w much (percentage of processor capacity) of the 2E4X-27 is currently being used.
High Speed Interface Configuration Menu Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-47 T o access the High Speed Interface Configuration Menu screen from the De vice Specific Configuration Menu screen, use the arro w ke ys to highlight the HIGH SPEED INTERFACE CONFIGURATION menu item and press ENTER.
Chapter 5: Local Management 5-48 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.15 HIGH SPEED INTERFACE CONFIGURATION SCREEN The High Speed Interface Configuration screen displays the types of interfaces installed in ports 25 and 26, their current operating mode, and indicates if the ports are linked.
High Speed Interface Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-49 The follo wing briefly explains each field of the High Speed Interf ace Configuration screen. P or t T ype (Read-only) Displays the type of interface (FE-100FX, FE-100TX, FE-100F3, or Unkno wn) installed in ports 25 and 26.
Chapter 5: Local Management 5-50 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Desired Oper . Mode (Selectable) This field allo ws the user to select the desired operational mode for an interface in port 25 or 26. The field toggles between 100B ASE-FX and 100B ASE-FXFD (full duplex) when an FE-100FX or FE-100F3 is installed.
High Speed Interface Configuration Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-51 5.15.1 Configuring an FE-100FX or FE-100F3 in P or t 25 or 26 When an FE-100FX or FE-100F3 is installed in port 25 or 26, it must be manually set to operate in the same technology as the de vice at the other end of the connected segment.
Chapter 5: Local Management 5-52 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 2. Use the SPACE bar to select the desired mode. Press ENTER. If any mode other than Auto-Negotiation is selected, the port only operates in the chosen mode and Auto-Negotiation is disabled.
Flash Download Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-53 5.16 FLASH DOWNLOAD SCREEN The Flash Do wnload screen, sho wn in Figure 5-23 , allo ws the user to upgrade the de vice with a dif ferent operating image. Before do wnloading an image to the de vice, copy the image to the network TFTP server .
Chapter 5: Local Management 5-54 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide The follo wing briefly explains each field of the Flash Do wnload screen: Download Method (Selectab le) This field steps to BOOTP , TFTP , and RUNTIME .
Flash Download Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-55 Download Server IP (Selectab le) The IP address of the TFTP serv er to be used for the firmware image do wnload is entered in this field. Download File Name (Selectab le) The complete TFTP Serv er path and file name of the new image is entered in this field.
Chapter 5: Local Management 5-56 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 6. Enter the IP address of the TFTP server using the DDN format. For example: 134.141.79.121 7. Use the arrow keys to highlight the Download File Name field. 8. Enter the complete pathway and file name of the image stored on the download server.
Flash Download Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-57 10. Enter the complete pathway and file name of the image stored on the download server. For example: /tftpboot/2E42.fls 11. Use the arrow keys to highlight EXECUTE at the bottom of the screen and press ENTER.
Chapter 5: Local Management 5-58 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.17 P OR T REDIRECT FUNCTION SCREEN The Port Redirect Function screen, Figure 5-24 , allo ws the user to set each one of the ports 1 through 26 as a source or destination port.
P or t Redirect Function Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-59 Figure 5-24 Port Redirect Function Screen The follo wing definitions briefly explain each field of the Port Redirect Function screen: Source P ort (Read-only) Sho ws which ports are currently set as source ports.
Chapter 5: Local Management 5-60 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Destination P or t [ n ] (Selectable) Allo ws a selected port [ n ] to be changed to a destination port. Status (T oggle) Allo ws the addition or deletion of source and destination ports selected in the Source Port [ n ] and Destination Port [ n ] fields.
Broadcast Suppression Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-61 6. Use the SPACE bar to select either the ADD or DEL (delete) and press ENTER. This adds or deletes the port selections made in steps 2 and 4 and also updates the screen Source Port and Destination Port list.
Chapter 5: Local Management 5-62 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide T o access the Broadcast Suppression screen from the Device Specific Configuration Menu screen, use the arro w ke ys to highlight the BROADCAST SUPPRESSION menu item and press ENTER.
Broadcast Suppression Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-63 Threshold (Modifiable) Allo ws the user to set the desired limit of recei ve broadcast frames that will be forwarded per port per second. Reset P eak (T oggle) Allo ws the user to reset the Peak Rate.
Chapter 5: Local Management 5-64 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3. Use the arrows keys to highlight the SAVE command at the bottom of the screen. 4. Press ENTER. The message “SAVED OK” displays and the Time Since Peak field is also reset.
Device Statistics Men u Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-65 Figure 5-26 Device Statistics Menu Screen The De vice Statistics Menu screen displays the follo wing menu items: SWITCH ST A TISTICS The Switch Statistics screen lists the number of frames recei ved, transmitted, filtered, and forwarded by each interface.
Chapter 5: Local Management 5-66 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.20 SWITCH STATISTICS SCREEN The Switch Statistics screen, Figure 5-27 , lists the number of frames recei ved, transmitted, filtered, and forw arded by each interface.
Interface Statistics Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-67 Frames Rcvd (Read-Only) Displays the number of frames recei ved by the interf ace since last po wer-up or reset. Frames Txmtd (Read-Only) Displays the number of frames transmitted by the interface since last po wer-up or reset.
Chapter 5: Local Management 5-68 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide T o access the Interface Statistics screen, use the arrow k eys to highlight the INTERF A CE ST A TISTICS menu item on the Device Statistics Menu screen and press ENTER.
Interface Statistics Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-69 InOctets (Read-Only) This field displays the total number of octets (bytes) that hav e been recei ved on the interf ace. This includes all octets including bad frames, and framing characters.
Chapter 5: Local Management 5-70 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide OutNonUnicast (Read-Only) This field displays the total number of frames transmitted to a broadcast or multicast address.
Interface Statistics Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-71 Speed (Read-Only) The Speed field displays the theoretical maximum of the interface’ s bandwidth in bits per second. Link Status (Read-Only) This field displays the current link status of the interface.
Chapter 5: Local Management 5-72 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.22 RMON STATISTICS SCREEN RMON statistics for each interface, on an interface-by-interf ace basis, are vie wed through the RMON Statistics screen sho wn in Figure 5-29 .
RMON Statistics Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-73 Owner (Read-only) This field displays the name of the entity that configured this entry . Status (Read-only) The Status field displays the current operating status of the displayed interface.
Chapter 5: Local Management 5-74 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Oversized Pkts (Read-only) The Oversized Pkts field displays the number of frames recei ved whose size exceeded 1518 data bytes, not including preamble, b ut have a v alid CRC.
RMON Statistics Screen 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-75 128 – 255 Octets (Read-only) Displays the total number of frames, including bad frames, recei ved that were between 128 and 255 bytes in length (excluding framing bits, b ut including FCS bytes).
Chapter 5: Local Management 5-76 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.22.2 Using the Clear Counters Command T o reset all the statistics counters of the selected interface to zero, perform the follo wing steps: 1. Use the arrow keys to highlight the CLEAR COUNTERS field.
Network T ools 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-77 Figure 5-30 Network T ools Screen The Network T ools functions are performed using a series of commands. Entering commands in Network T ools in volv es typing the command to be ex ecuted at the Network T ools prompt, adding any desired or required extensions, and pressing ENTER.
Chapter 5: Local Management 5-78 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide The commands are presented in the follo wing format: command: Syntax: Sho ws the required command format. It indicates where arguments, if an y , must be specified. Description: Briefly describes the command and its uses.
Network T ools 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-79 5.23.1 Built-in Commands The built-in commands listed in this section acti vate functions on the LM managed de vice or de vices being accessed through Network T ools.
Chapter 5: Local Management 5-80 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Example: bridge: Syntax: bridge [EN ABLE/DISABLE] [IFNUM/ALL] Description: The bridge command allo ws the bridge interface to be enabled or disabled at the user’ s request, either one at a time or all at once.
Network T ools 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-81 defroute: Syntax: defroute defroute [interface number] [IP address] defroute delete [interface number] [IP address] Description: T.
Chapter 5: Local Management 5-82 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide netstat: Syntax: netstat [option] Description: The netstat command provides a display of general network statistics for the managed de vice. The netstat command must be used with one of the two display options.
Network T ools 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-83 reset: Syntax: reset Description: This reset command initiates a soft reset of the de vice. The reset command initializes the CPU processor , runs the onboard diagnostics, and restarts the software image, which restores the user configuration settings from NVRAM.
Chapter 5: Local Management 5-84 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide show: Syntax: sho w <PR O TOCOL> <T ABLE> Description: The sho w command displays information concerning v arious components of the de vice. Protocols currently supported are IP , IPX, DECnet, and AppleT alk.
Network T ools 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-85 Example: soft_reset: Syntax: soft_reset Description: This command restarts the software image, which restores the user configuration settings from NVRAM. The user will be queried to confirm the reset command to ensure against unwanted resets.
Chapter 5: Local Management 5-86 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide telnet: Syntax: telnet [IP address] [Port #] Description: The telnet command allo ws the user to communicate with another host (that supports T elnet connections) using the T elnet protocol.
Network T ools 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5-87 Example: atm_stp_state: Syntax: atm_stp_state [ST A TE] Description: The atm_stp_state command allo ws the user to enable, disable, or check the status of the Spanning T ree Algorithm on all A TM interfaces.
Chapter 5: Local Management 5-88 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 5.23.2 Special Commands done, quit, exit: Syntax: done, quit, or exit Description: The done, quit, or exit command enables the user to exit from Netw ork T ools and return to the Main Menu screen.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide A-1 APPENDIX A SPECIFICATIONS This appendix provides operating specifications for the Cabletron Systems 2E4X-27. Cabletron Systems reserves the right to change these specifications at any time without notice.
Appendix A: Specifications A-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide A.4 EN VIRONMENTAL REQUIREMENTS A.5 INPUT/OUTPUT P OR TS Operating T emperature: 5°C to 40°C (41°F to 104°F) Stora.
COM P or t/Pin Assignments 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide A-3 A.6 COM P OR T/PIN ASSIGNMENTS The COM port is a serial communications port that supports Local Management or connection to a UPS. T able A-1 shows the COM port pin assignments.
Appendix A: Specifications A-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide B-1 APPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS The 2E4X-27 supports three Fast Ethernet Interf ace Modules: • FE-100TX ( Section B.1 ) • FE-100FX ( Section B.2 ) • FE-100F3 ( Section B.
Appendix B: FE-100TX, FE-100FX, and FE-100F3 Specifications B-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide B.2 FE-100FX The FE-100FX sho wn in Figure B-2 uses an SC style connector that supports multimode fiber optic cabling. Specifications for the FE-100FX are listed in T able B-1 , below .
FE-100F3 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide B-3 B.3 FE-100F3 The FE-100F3 sho wn in Figure B-3 uses an SC style connector that supports single mode fiber optic cabling. Specifications for the FE-100F3 are listed in T able B-2 , below .
Appendix B: FE-100TX, FE-100FX, and FE-100F3 Specifications B-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide C-1 APPENDIX C OPTIONAL INSTALLATIONS AND MODE SWITCH BANK SETTINGS The top cov er must be remov ed to gain access to the mode bank switches and to install the Fast Ethernet Interf ace Modules and the High Speed Interface Module.
Appendix C: Optional Installations and Mode Switch Bank Settings C-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide C.1 REQUIRED T OOLS Y ou need the following tools to perform the procedures pro vided in this appendix: • Antistatic wrist strap • Phillips scre wdri ver C.
Removing the Chassis Co ver 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide C-3 T o remove the chassis co ver , proceed as follo ws: 1. Disconnect the 2E4X-27 from the network as follows: a. For the 2E42-27/2E43-27, unplug the po wer cord from the rear of the chassis.
Appendix C: Optional Installations and Mode Switch Bank Settings C-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 3. Use a Phillips screwdriver to remove the screws attaching the cover to the chassis.
Removing the Chassis Co ver 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide C-5 Figure C-2 2E4X-27 Mode Switch Location/Component Lay out Switch definitions and positions are as follo ws: • Switches 1 through 4 – For Cabletron Systems use only .
Appendix C: Optional Installations and Mode Switch Bank Settings C-6 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide • Switch 7 – Clear NVRAM. Changing the position of this switch resets NVRAM on either the next po wer-up or the ne xt operation of the front panel RESET button.
Installing Optional Fast Ethernet Interface Modules 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide C-7 C.3 INSTALLING OPTIONAL FAST ETHERNET INTERFACE MODULES Figure C-3 sho ws the locations of the Fast Ethernet Interf ace Module connectors on for ports 25 and 26 and the High Speed Interface Module for port 27.
Appendix C: Optional Installations and Mode Switch Bank Settings C-8 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide T o install a Fast Ethernet Interface Module in port slot 25 or 26, proceed as follo ws: 1. Remove the coverplate from the port slot where the Fast Ethernet Interface Module will be installed.
Installing Optional Fast Ethernet Interface Modules 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide C-9 Figure C-4 Coverplate Remov al 2. Remove the screw from the rear standoff.
Appendix C: Optional Installations and Mode Switch Bank Settings C-10 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide 4. Carefully lower the Fast Ethernet Interface Module onto the standoffs while inserting the module connector into the associated motherboard connector.
2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Index-1 INDEX Numerics 100BASE-TX cable length 2-2 10BASE-T connection 3-9 requirements 2-1 2E4X-27 front panel 1-2 overview of 1-4 802.1D switching setting operational mode for 5-25 802.1D switching mode hierarchy of 5-9 802.
Index Index-2 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide TFTP gateway IP addr 5-54 Full Duplex Configuration screen full duplex 5-40 link status 5-40 operation mode 5-40, 5-41 port status 5-40 .
Index 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Index-3 use of 1-6 Management Terminal COM port connection of 5-3, 5-4 setup of 5-3, 5-5 Mode Switch setting C-4 N Network connection FE-100FX/F.
Index Index-4 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide laser iv Screen lock-out time 5-17, 5-24 Screen refresh time 5-24 Screens Broadcast Suppression screen 5-61 Device Configuration screen .
Index 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide Index-5 Troubleshooting 4-1 checklist 4-6 U Uninterruptible Power Supply connection of 5-6 Unpacking 3-2 V VLAN configuration of 5-44.
Index Index-6 2E42-27/2E42-27R/2E43-27/2E43-27R User’ s Guide.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cabletron Systems 2E42-27 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cabletron Systems 2E42-27 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cabletron Systems 2E42-27 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cabletron Systems 2E42-27 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cabletron Systems 2E42-27, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cabletron Systems 2E42-27.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cabletron Systems 2E42-27. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cabletron Systems 2E42-27 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
