Manuale d’uso / di manutenzione del prodotto 2E48-27R del fabbricante Cabletron Systems
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9032314-04 2E48-27R/2E49-27R Smar tSwitch 2200 User’ s Guide COM RESET COM RESET RX TX RX TX 24 RX TX 8 RX TX 16 RX TX 23 RX TX 7 RX TX 15 RX TX 22 RX TX 6 RX TX 14 RX TX 21 RX TX 5 RX TX 13 RX TX 2.
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2E48-27R/2E49-27R 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 2E48-27R/2E49-27R 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 2E48-27R/2E49-27R User’ s Guide iii EXCLUSION OF WARRANTY AND DISCLAIMER OF LIABILITY 1. EXCLUSION OF W ARRANTY. Except as may be specifically provided by Cabletron in writing, Cabletron makes no warranty, expressed or implied, concerning the Program (including its documentation and media).
Notice iv 2E48-27R/2E49-27R 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 2E48-27R/2E49-27R 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 2E48-27R/2E49-27R User’ s Guide.
2E48-27R/2E49-27R User’ s Guide vii CONTENTS CHAPTER 1 INTRODUCTION 1.1 Using This Guide ......................................................................... 1-1 1.2 Structure of This Guide.......................................................
Contents viii 2E48-27R/2E49-27R User’ s Guide CHAPTER 4 T R OUBLESHOOTING 4.1 Using LANVIEW ........................................................................... 4-1 4.2 FE-100TX LED ............................................................
Contents 2E48-27R/2E49-27R User’ s Guide ix 5.11 Ethernet Full Duplex Configuration Screen ............................... 5-42 5.11.1 Setting the Operation Mode .......................................... 5-44 5.12 Device Specific Configuration Menu Screen .
Contents x 2E48-27R/2E49-27R User’ s Guide APPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS B.1 FE-100TX .................................................................................... B-1 B.1.1 Auto-Negotiation ......................
2E48-27R/2E49-27R User’ s Guide 1-1 CHAPTER 1 INTR ODUCTION W elcome to the 2E48-27R/2E49-27R SmartSwitch 2200 User’s Guide . This guide describes the 2E48-27R and 2E49-27R SmartSwitch 2200 de vices and provides information concerning netw ork requirements, installation, troubleshooting, and the use of Local Management.
Chapter 1: Introduction 1-2 2E48-27R/2E49-27R User’ s Guide Appendix A , Specifications , contains information on functionality and operating specifications, connector pinouts, en vironmental requirements, and physical properties.
2E4X-27R Overview 2E48-27R/2E49-27R User’ s Guide 1-3 Figure 1-1 The 2E48-27R and 2E49-27R The 2E4X-27R is a tabletop unit that can be installed in a standard 19-inch rack using the supplied rack mounting hardware. The 2E4X-27R has two po wer supplies.
Chapter 1: Introduction 1-4 2E48-27R/2E49-27R User’ s Guide 1.3.1 Connectivity The 2E48-27R connects to Ethernet networks or workstations through 24 ST fiber optic ports on the front panel. These ports support multimode fiber optic cables at lengths up to 2 kilometers.
2E4X-27R Overview 2E48-27R/2E49-27R User’ s Guide 1-5 For more information about SmartT runk, refer to the Cabletron Systems SmartT runk User’ s Guide .
Chapter 1: Introduction 1-6 2E48-27R/2E49-27R User’ s Guide 1.3.6 Switching Options The 2E4X-27R provides IEEE 802.1D switching, IEEE 802.1Q switching, or SecureFast Switching V irtual Netw ork Services between all of the front panel interfaces including F ast Ethernet Interface Modules and High Speed Interface Modules (HSIMs).
2E4X-27R Overview 2E48-27R/2E49-27R User’ s Guide 1-7 1.3.10 Optional Features Options for the 2E4X-27R are Fast Ethernet Interf ace Modules and High Speed Interface Modules, which add remote uplink capability .
Chapter 1: Introduction 1-8 2E48-27R/2E49-27R User’ s Guide 1.4 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.
Getting Help 2E48-27R/2E49-27R User’ s Guide 1-9 1.5 GETTING HELP For additional support related to this de vice or document, contact the Cabletron Systems Global Call Center: Before calling the Cab.
Chapter 1: Introduction 1-10 2E48-27R/2E49-27R User’ s Guide 1.6 RELATED MANUALS The follo wing manuals may help to set up, control, and manage the 2E4X-27R: Cabletron Systems HSIM-A6DP User’ s Gu.
2E48-27R/2E49-27R User’ s Guide 2-1 CHAPTER 2 NETW ORK REQUIREMENTS Before installing the 2E4X-27R 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 2E48-27R/2E49-27R User’ s Guide 2.3 FOIRL FIBER OPTIC NETWORK When connecting an FOIRL segment to an y of the 2E49-27R ports (Interfaces 1 through 24), ensure that the network meets the Ethernet network requirements for FOIRL.
2E48-27R/2E49-27R User’ s Guide 3-1 CHAPTER 3 INSTALLATION This chapter provides all instructions required to install the 2E4X-27R. A Phillips scre wdri ver is required to install options into the de vice or install the de vice into a rack. Follo w the order of the sections listed below to correctly install the 2E4X-27R.
Chapter 3: Installation 3-2 2E48-27R/2E49-27R User’ s Guide 2. Verify the contents of the carton as listed in T able 3-1 . 3. Remove the black and amber tape seal on the non-conductive bag to remove the 2E4X-27R.
Installing the Device 2E48-27R/2E49-27R User’ s Guide 3-3 3.3 INSTALLING THE DEVICE The 2E4X-27R 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 2E48-27R/2E49-27R User’ s Guide Figure 3-1 T abletop or Shelf Installation 3.3.2 Rackmount Installation T o install the 2E4X-27R 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 Device 2E48-27R/2E49-27R User’ s Guide 3-5 Installation Rack mounting the 2E4X-27R in volves the follo wing: • Attaching the strain-relief bracket • Rack mounting the 2E4X-27R (at.
Chapter 3: Installation 3-6 2E48-27R/2E49-27R User’ s Guide Rack Mounting the 2E4X-27R Proceed as follo ws to install the 2E4X-27R 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-27R.
Installing the Device 2E48-27R/2E49-27R User’ s Guide 3-7 3.3.3 Connecting P ower to the 2E4X-27R T o connect the 2E4X-27R to the power sources, proceed as follo ws: 1.
Chapter 3: Installation 3-8 2E48-27R/2E49-27R User’ s Guide 3.4 CONNECTING TO THE NETWORK This section provides the procedures for connecting unshielded twisted pair (UTP) and fiber optic segments from the netw ork or other de vices to the 2E4X-27R.
Connecting to the Network 2E48-27R/2E49-27R User’ s Guide 3-9 3.4.1 Connecting Fiber Optic Cables to P or ts 1 Through 24 Each fiber optic link consists of two strands of fiber optic cabling: the transmit (TX) and the recei ve (RX).
Chapter 3: Installation 3-10 2E48-27R/2E49-27R User’ s Guide 4. At the other end of the fiber optic cable, attach the fiber pair to the transmit and receive ports of the device. . Figure 3-6 Fiber Optic Connection 5. Verify that a link exists by checking that the port RX LED is on (flashing amber, blinking green, or solid green).
Connecting to the Network 2E48-27R/2E49-27R User’ s Guide 3-11 An FE-100TX installed in port slot 25 and/or 26 has an internal crossov er switch. When connecting a workstation, use a straight-through cable and set the Fast Ethernet Interf ace Module crossov er switch sho wn in Figure 3-7 to the crossed ov er position marked with X.
Chapter 3: Installation 3-12 2E48-27R/2E49-27R User’ s Guide 2. Connect the twisted pair segment to the module by inserting the RJ45 connector on the twisted pair segment into the RJ45 port on the module shown in Figure 3-7 . 3. Verify that a link exists by checking that the port RX LED is on (flashing amber, blinking green, or solid green).
Connecting to the Network 2E48-27R/2E49-27R User’ s Guide 3-13 Fiber Optic Network Connection 1. Remove the protective plastic covers from the fiber optic ports on the applicable port on the module and from the ends of the connectors. 2. Insert one end of the SC connector into the FE-100FX or FE-100F3 installed in the 2E4X-27R.
Chapter 3: Installation 3-14 2E48-27R/2E49-27R User’ s Guide 4. Verify that a link exists by checking that the port RX LED is ON (flashing amber, blinking green, or solid green). If the RX LED is OFF and the TX LED is not blinking amber, perform the following steps until it is on: a.
2E48-27R/2E49-27R User’ s Guide 4-1 CHAPTER 4 T R OUBLESHOOTING This chapter provides information concerning the follo wing: • Using LANVIEW ( Section 4.1 ) • FE-100TX LED ( Section 4.2 ) • T roubleshooting Checklist ( Section 4.3 ) • Using the RESET Button ( Section 4.
Chapter 4: T roubleshooting 4-2 2E48-27R/2E49-27R 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 is flashing randomly . Blinking indicates an LED is flashing at a steady rate (appro ximately 50% on, 50% off).
Using LANVIEW 2E48-27R/2E49-27R 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 . Amber Flashing .
Chapter 4: T roubleshooting 4-4 2E48-27R/2E49-27R 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 2E48-27R/2E49-27R 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. FE-100TX f orced to 10 Mbps operation, or is manually set to “auto-negotiate” mode.
Chapter 4: T roubleshooting 4-6 2E48-27R/2E49-27R User’ s Guide 4.3 T ROUBLESHOOTING CHEC KLIST If the 2E4X-27R 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 2E48-27R/2E49-27R User’ s Guide 4-7 4.4 USING THE RESET BUTTON The RESET button sho wn in Figure 4-3 resets the 2E4X-27R processor without af fecting the NVRAM. Figure 4-3 RESET Button T o reset the 2E4X-27R processor, press and release the RESET b utton.
Chapter 4: T roubleshooting 4-8 2E48-27R/2E49-27R User’ s Guide.
2E48-27R/2E49-27R User’ s Guide 5-1 CHAPTER 5 LOCAL MANAGEMENT This chapter explains ho w to set up a management terminal to access Local Management. It also explains ho w to use the Local Management screens and commands. 5.1 OVERVIEW Local Management for the 2E4X-27R consists of a series of screens that allo w the management of the 2E4X-27R.
Chapter 5: Local Management 5-2 2E48-27R/2E49-27R 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 2E48-27R/2E49-27R 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 PC running a VT s.
Chapter 5: Local Management 5-4 2E48-27R/2E49-27R User’ s Guide 5.3.1 Console Cable Connection Use the Console Cable Kit provided with the 2E4X-27R to attach the management terminal to the 2E4X-27R COM port as sho wn in Figure 5-1 . Connect an IBM PC or compatible de vice, running the VT terminal emulation, to the 2E4X-27R as follo ws: 1.
Management T erminal Setup 2E48-27R/2E49-27R User’ s Guide 5-5 5.3.2 Management T erminal Setup Parameter s T able 5-2 lists the setup parameters for the local management terminal.
Chapter 5: Local Management 5-6 2E48-27R/2E49-27R User’ s Guide 5.3.3 T elnet Connections Once the 2E4X-27R has a v alid IP address, the user can establish a T elnet session with Local Management from any TCP/IP based node on the network.
Management T erminal Setup 2E48-27R/2E49-27R User’ s Guide 5-7 5.3.4 Monitoring an Uninterruptible P ower Suppl y If the 2E4X-27R is connected to an American Po wer Con version (APC) Uninterruptible.
Chapter 5: Local Management 5-8 2E48-27R/2E49-27R User’ s Guide 5.4 ACCESSING LOCAL MANAGEMENT Access to Local Management is controlled through the Local Management Passw ord screen sho wn in Figure 5-3 . Whene ver a connection is made to the 2E4X-27R the Local Management Passw ord screen displays.
Accessing Local Management 2E48-27R/2E49-27R User’ s Guide 5-9 5.4.1 Navigating Local Mana gement Screens The 2E4X-27R Local Management application consists of a series of menu screens. Navigate through Local Management by selecting items from the menu screens.
Chapter 5: Local Management 5-10 2E48-27R/2E49-27R User’ s Guide Figure 5-4 802.1D Switching Mode, LM Screen Hierar chy Figure 5-5 802.1Q Switching Mode, LM Screen Hierar chy Device Menu Password D.
Accessing Local Management 2E48-27R/2E49-27R User’ s Guide 5-11 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. Use the arrow keys to highlight a menu item.
Chapter 5: Local Management 5-12 2E48-27R/2E49-27R User’ s Guide 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. 2.
Device Men u Screen 2E48-27R/2E49-27R User’ s Guide 5-13 5.5 DEVICE MEN U SCREEN The De vice Menu screen is the access point for all Local Management screens.
Chapter 5: Local Management 5-14 2E48-27R/2E49-27R User’ s Guide For details about the De vice Configuration Menu screen, refer to Section 5.6 . For details about the De vice Specific Configuration Menu screen, refer to Section 5.
Device Configuration Men u Screen 2E48-27R/2E49-27R User’ s Guide 5-15 T o access the Device Configuration Menu screen from the De vice Menu screen, use the arro w ke ys to highlight the DEVICE CONFIGURATION menu item and press ENTER. The De vice Configuration Menu screen displays.
Chapter 5: Local Management 5-16 2E48-27R/2E49-27R User’ s Guide SNMP TRAPS The SNMP T raps screen provides display and configuration access to the table of IP addresses used for trap destinations and associated community names. For details, refer to Section 5.
General Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-17 5.7 GENERAL CONFIGURATION SCREEN The General Configuration screen, Figure 5-9 , allo ws the user to set the system date and time, IP address and subnet mask, the default gate way , the TFTP gate way IP address, and the operational mode.
Chapter 5: Local Management 5-18 2E48-27R/2E49-27R User’ s Guide IP Address (Modifiab le) Displays and allo ws the user to set the IP address for the 2E4X-27R. T o set the IP address, refer to Section 5.7.1 . The IP address can also be set through Runtime IP Address Discov ery as pre viously described in Section 1.
General Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-19 Screen Lock out Time (Modifiable) Contains the maximum number of minutes that the Local Management application displays a de vice’ s screen while a waiting input or action from a user .
Chapter 5: Local Management 5-20 2E48-27R/2E49-27R User’ s Guide Application (T oggle) Allo ws the user to set the application that the COM port will support. The field toggles between LM (Local Management) and UPS (Uninterruptible Po wer Supply). The def ault is LM.
General Configuration Screen 2E48-27R/2E49-27R 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 5-10 Configuration W arning Screen 5. Use the arrow keys to highlight the YES command, then press ENTER.
Chapter 5: Local Management 5-22 2E48-27R/2E49-27R User’ s Guide 3. Press ENTER. If the subnet mask is valid, the cursor returns to the beginning of the Subnet Mask field. If the entry is not valid, the screen displays the message “INVALID SUBNET MASK OR FORMAT ENTERED”.
General Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-23 5.7.3 Setting the Default Gatewa y If the SNMP management station is located on a dif ferent IP subnet than the 2E4X-27R, a default gate way must be specified. When an SNMP T rap is generated, the 2E4X-27R sends the T rap to the default gate way .
Chapter 5: Local Management 5-24 2E48-27R/2E49-27R User’ s Guide Figure 5-12 Configuration W arning Screen 5. Use the arrow keys to highlight the YES command, then press ENTER.
General Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-25 4. Use the arrow keys to highlight the SAVE command at the bottom of the screen and press ENTER. If the date entered is a v alid format, the message displays “SA VED OK” at the top of the screen.
Chapter 5: Local Management 5-26 2E48-27R/2E49-27R User’ s Guide 4. Use the arrow keys to highlight the SAVE command at the bottom of the screen and press ENTER. If the time entered is within the 3 to 99 seconds range, the message “SA VED OK” displays at the top of the screen.
General Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-27 Figure 5-13 Configuration W arning Screen 4. Use the arrow keys to highlight the YES command, then press ENTER. The changes are saved and the device reboots. NO TE Upon saving the ne w operational mode, the module will reboot.
Chapter 5: Local Management 5-28 2E48-27R/2E49-27R User’ s Guide 5.7.10 Configuring the COM P or t Upon po wer up, the COM port is configured to the default settings of ENABLED and LM .
General Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-29 Figure 5-14 COM Port W arning Screen 3. Use the arrow keys to highlight YES . Press ENTER.
Chapter 5: Local Management 5-30 2E48-27R/2E49-27R User’ s Guide 5.7.10.1 Changing the Com P or t Application After enabling the COM port as described in Section 5.7.10 , one of the applications supported by the COM port (LM or UPS) can be selected.
General Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-31 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. Use the arrow keys to highlight the Clear NVRAM field.
Chapter 5: Local Management 5-32 2E48-27R/2E49-27R User’ s Guide 5.7.12 Enabling/Disabling IP Fragmentation T o enable or disable IP Fragmentation, proceed as follows: 1. Use the arrow keys to highlight the IP Fragmentation field. 2. Press the SPACE bar to choose either ENABLED or DISABLED .
SNMP Community Names Screen 2E48-27R/2E49-27R User’ s Guide 5-33 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-27R.
Chapter 5: Local Management 5-34 2E48-27R/2E49-27R 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-27R SNMP Management.
SNMP Community Names Screen 2E48-27R/2E49-27R User’ s Guide 5-35 5.8.1 Establishing Comm unity Names The password used to access Local Management at the P assword Screen must hav e super-user access to vie w and edit the SNMP Community Names screen.
Chapter 5: Local Management 5-36 2E48-27R/2E49-27R User’ s Guide 5.9 SNMP T RAPS SCREEN Since the 2E4X-27R is an SNMP compliant de vice, it can send messages to multiple Network Management Stations to alert users of status changes. The SNMP Traps screen is sho wn in Figure 5-17 .
SNMP T raps Screen 2E48-27R/2E49-27R User’ s Guide 5-37 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 5-38 2E48-27R/2E49-27R User’ s Guide 5.10 SWITCH CONFIGURATION SCREEN The Switch Configuration screen, Figure 5-18 , provides the basic setup options to make a switch operational in your network.
Switch Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-39 The follo wing describes each field of the Switch Configuration screen: Switch Address (Read-Only) Displays the base MA C address of the switch. Number of P or ts (Read-Only) Displays the total number of switched ports on the 2E4X-27R.
Chapter 5: Local Management 5-40 2E48-27R/2E49-27R User’ s Guide Learning: The switch is learning the addresses on this interf ace. The switch enters the learning state when the T ransparent Database is created (during start-up or after being deleted), or when the Spanning T ree Algorithm detects a network topology change.
Switch Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-41 5.10.2 Setting the Ag e Time Field T o set the Age T ime, proceed as follows: 1. Use the arrow keys to highlight the Age Time field. 2. Type in the desired Age Time in increments of 10.
Chapter 5: Local Management 5-42 2E48-27R/2E49-27R User’ s Guide 5.11 ETHERNET FULL DUPLEX CONFIGURATION SCREEN The Ethernet Full Duplex Configuration screen, Figure 5-19 , allo ws the user to set .
Ethernet Full Duplex Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-43 OPERA TION MODE (T oggle) Allo ws the user to set the specified port to transmit and recei ve data separately (Standard) or simultaneously (Full Duplex).
Chapter 5: Local Management 5-44 2E48-27R/2E49-27R User’ s Guide [1-12] or [13-24] (Navigation K ey) When the Full Duplex Configuration screen displays, the current operation mode and status information are displayed for the first 12 ports.
Device Specific Configuration Men u Screen 2E48-27R/2E49-27R User’ s Guide 5-45 5.12 DEVICE SPECIFIC CONFIGURATION MEN U SCREEN The De vice Specific Configuration Menu screen, Figure 5-20 , allo ws the user to select one of five screens to configure ports or check system resources specific to the 2E4X-27R.
Chapter 5: Local Management 5-46 2E48-27R/2E49-27R User’ s Guide The follo wing briefly defines each selectable item of the De vice Specific Configuration Menu screen: SYSTEM RESOURCES The Syste.
System Resources Screen 2E48-27R/2E49-27R User’ s Guide 5-47 5.13 SYSTEM RESOURCES SCREEN The System Resources screen, Figure 5-21 , provides information concerning the processor used in the 2E4X-27R and the amount of FLASH memory , DRAM, and NVRAM that is installed and ho w much of that memory is av ailable.
Chapter 5: Local Management 5-48 2E48-27R/2E49-27R User’ s Guide Flash Memory Installed (Read-only) Indicates the amount of FLASH memory installed in the 2E4X-27R and ho w much is currently av ailable. DRAM Installed (Read-only) Indicates the amount of DRAM installed in the 2E4X-27R and ho w much of it is currently av ailable.
High Speed Interface Configuration Menu Screen 2E48-27R/2E49-27R User’ s Guide 5-49 5.14 HIGH SPEED INTERFACE CONFIGURATION MENU SCREEN The High Speed Interface Configuration Menu screen, Figure 5-22 , applies to the Fast Ethernet Interf ace Modules and the High Speed Interface Module.
Chapter 5: Local Management 5-50 2E48-27R/2E49-27R User’ s Guide The follo wing briefly explains each screen accessible from the High Speed Interface Configuration Menu screen. F AST ETHERNET INTERF A CES Displays a screen named High Speed Interface Configuration.
High Speed Interface Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-51 Figure 5-23 High Speed Interface Configuration Screen The follo wing briefly defines each field of the High Speed Interface Configuration screen.
Chapter 5: Local Management 5-52 2E48-27R/2E49-27R User’ s Guide Current Oper . Mode (Read-only) This field displays the current operating mode of ports 25 and 26.
High Speed Interface Configuration Screen 2E48-27R/2E49-27R User’ s Guide 5-53 Advertised Ability (Selectable) During auto-negotiation, the FE-100TX informs the de vice at the other end of the segment about its capabilities.
Chapter 5: Local Management 5-54 2E48-27R/2E49-27R User’ s Guide 5.15.2 Configuring an FE-100TX In normal operation, a port (25 or 26) with an FE-100TX interface automatically establishes a link with the de vice at the other end of the segment and no user setup is required.
FLASH Download Screen 2E48-27R/2E49-27R User’ s Guide 5-55 3. Use the LEFT-ARROW key to move back to the Advertised Ability selection and use the SPACE bar to select the next mode to enable or disable. 4. Use the RIGHT-ARROW key to move across to the Enabled/Disabled field to the right of the selection.
Chapter 5: Local Management 5-56 2E48-27R/2E49-27R User’ s Guide T o access the Flash Download screen from the De vice Specific Configuration Menu screen, use the arro w ke ys to highlight the FLASH DOWNLOAD menu item and press ENTER. The Flash Do wnload screen displays.
FLASH Download Screen 2E48-27R/2E49-27R User’ s Guide 5-57 Section 5.16.2 describes ho w to do wnload using TFTP . Section 5.16.3 describes ho w to do wnload using Runtime. Reboot After Download (Modifiab le only when RUNTIME is chosen.) This field notifies the user that the 2E4X-27R will reboot after the do wnload is complete.
Chapter 5: Local Management 5-58 2E48-27R/2E49-27R User’ s Guide 5.16.1 Image File Download Using BootP T o download a firmware image of FLASH to the 2E4X-27R using BootP , proceed as follo ws: 1. Use the arrow keys to highlight the Download Method field.
FLASH Download Screen 2E48-27R/2E49-27R User’ s Guide 5-59 9. Use the arrow keys to highlight EXECUTE at the bottom of the screen and press ENTER. The message “TFTP DOWNLOAD. WILL COMMIT TO FLASH. REBOOT IN PROGRESS...” displays in the event message line at the top of the screen and the new image is downloaded into FLASH memory.
Chapter 5: Local Management 5-60 2E48-27R/2E49-27R User’ s Guide 5.17 P OR T REDIRECT FUNCTION SCREEN The Port Redirect Function screen, Figure 5-25 , allo ws the user to set each port (1 through 26) as a source or destination port. A port can be set to hav e one or more destination ports.
P or t Redirect Function Screen 2E48-27R/2E49-27R User’ s Guide 5-61 Figure 5-25 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 5-62 2E48-27R/2E49-27R User’ s Guide Destination P or t [ n ] (Selectable) Allo ws a selected port [ n ] to be changed to a destination port.
P or t Redirect Function Screen 2E48-27R/2E49-27R User’ s Guide 5-63 5.17.2 Changing Source and Destination P or ts Add or delete source port and destination port entries as follo ws: 1.
Chapter 5: Local Management 5-64 2E48-27R/2E49-27R User’ s Guide 5.18 BROADCAST SUPPRESSION SCREEN The Broadcast Suppression screen, Figure 5-26 , allo ws the user to set a desired limit of recei ve broadcast frames that are switched out to the other ports.
Broadcast Suppression Screen 2E48-27R/2E49-27R User’ s Guide 5-65 The follo wing explains each field of the Broadcast Suppression screen: PORT # (Read-only) Identifies the number of the port. T otal RX (Read-Only) Displays the total number of broadcast frames recei ved.
Chapter 5: Local Management 5-66 2E48-27R/2E49-27R User’ s Guide 3. Use the arrow keys to highlight the SAVE command at the bottom of the screen. 4. Press ENTER. The message “SAVED OK” displays. 5.18.2 Setting the Reset Peak T o set the Reset Peak field to YES or NO, proceed as follo ws: 1.
Device Statistics Men u Screen 2E48-27R/2E49-27R User’ s Guide 5-67 Figure 5-27 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 5-68 2E48-27R/2E49-27R User’ s Guide 5.20 SWITCH STATISTICS SCREEN The Switch Statistics screen, Figure 5-28 , lists the number of frames recei ved, transmitted, filtered, and forw arded by each interface.
Switch Statistics Screen 2E48-27R/2E49-27R User’ s Guide 5-69 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 5-70 2E48-27R/2E49-27R User’ s Guide 5.21 INTERFACE STATISTICS SCREEN The Interface Statistics screen, Figure 5-29 , is used to gather MIB-II statistics for the 2E4X-27R interfaces (ports 1 through 26) with the exception of an installed HSIM.
Interface Statistics Screen 2E48-27R/2E49-27R User’ s Guide 5-71 The follo wing definitions explain each field of the Interf ace Statistics screen: Interface (Read-Only) This field displays the Interface number for which statistics are currently being displayed.
Chapter 5: Local Management 5-72 2E48-27R/2E49-27R User’ s Guide InUnknownPr otos (Read-Only) The InUnkno wnProtos field displays the total number of frames that were discarded because the frames were in an unkno wn or unsupported format.
Interface Statistics Screen 2E48-27R/2E49-27R User’ s Guide 5-73 Oper Status (Read-Only) This field displays the current status of the interface. If this field displays “T esting”, no frames may be passed on this interf ace.
Chapter 5: Local Management 5-74 2E48-27R/2E49-27R User’ s Guide 5.21.2 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 command.
RMON Statistics Screen 2E48-27R/2E49-27R User’ s Guide 5-75 The follo wing briefly defines each field of the RMON Statistics screen: RMON Index (Read-only) This field displays the current Ethernet interface for which statistics are being sho wn.
Chapter 5: Local Management 5-76 2E48-27R/2E49-27R User’ s Guide Multicasts (Read-only) The Multicast field displays the total number of good frames recei ved that were directed to a multicast address. The v alue of this field does not include frames directed to the broadcast address.
RMON Statistics Screen 2E48-27R/2E49-27R User’ s Guide 5-77 T otal Octets (Read-only) This field displays the total number of octets (bytes) of data, including those in bad frames, recei ved on this interf ace.
Chapter 5: Local Management 5-78 2E48-27R/2E49-27R User’ s Guide 5.22.1 Displaying RMON Statistics T o display the statistics for any index, proceed as follo ws: 1. Use the arrow keys to highlight the Index [ nn ] field at the bottom of the screen. 2.
Network T ools 2E48-27R/2E49-27R User’ s Guide 5-79 5.23 NETWORK T OOLS The Network T ools function allows the user to access and manage network de vices. Figure 5-31 shows the Network T ools Help screen. T o access the Network T ools screen, use the arrow k eys to highlight the NETWORK TOOLS menu item in the De vice Menu screen and press ENTER.
Chapter 5: Local Management 5-80 2E48-27R/2E49-27R User’ s Guide There are two cate gories of commands in the command set. • Built-in Commands – Allo w the user to access and manage network de vices. The commands are ar p , bridge , defroute , netstat , ping , reset , sho w , tracer oute , soft-reset , telnet , link_trap , and atm_stp_state .
Network T ools 2E48-27R/2E49-27R User’ s Guide 5-81 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 5-82 2E48-27R/2E49-27R 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 2E48-27R/2E49-27R User’ s Guide 5-83 defroute: Syntax: defroute defroute [interface number] [IP address] defroute delete [interface number] [IP address] Description: The defroute comm.
Chapter 5: Local Management 5-84 2E48-27R/2E49-27R User’ s Guide Example: ping: Syntax: ping [IP address] Description: The ping command generates an outbound ping request to check the status (ali ve/not ali v e) of a de vice at a specified IP address.
Network T ools 2E48-27R/2E49-27R User’ s Guide 5-85 Options: Not Applicable Example: 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.
Chapter 5: Local Management 5-86 2E48-27R/2E49-27R User’ s Guide traceroute: Syntax: traceroute [IP address] Description: The traceroute command generates a TRA CER OUTE request to a specified IP address and provides a display of all ne xt-hop routers in the path to the de vice.
Network T ools 2E48-27R/2E49-27R User’ s Guide 5-87 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. The user must specify the remote host using its IP address.
Chapter 5: Local Management 5-88 2E48-27R/2E49-27R User’ s Guide 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.
Network T ools 2E48-27R/2E49-27R User’ s Guide 5-89 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.
Chapter 5: Local Management 5-90 2E48-27R/2E49-27R User’ s Guide.
2E48-27R/2E49-27R User’ s Guide A-1 APPENDIX A SPECIFICATIONS This appendix provides operating specifications for the Cabletron Systems 2E4X-27R. Cabletron Systems reserves the right to change these specifications at any time without notice. A.1 DEVICE SPECIFICATIONS A.
Appendix A: Specifications A-2 2E48-27R/2E49-27R User’ s Guide A.4 EN VIR ONMENTAL REQUIREMENTS A.5 INPUT/OUTPUT P ORTS Operating T emperature: 5°C to 40°C (41°F to 104°F) Storage T emperature:.
COM P or t/Pin Assignments 2E48-27R/2E49-27R User’ s Guide A-3 A.6 COM P ORT/PIN ASSIGNMENTS The COM port is a serial communications port that supports Local Management or connection to a UPS.
Appendix A: Specifications A-4 2E48-27R/2E49-27R User’ s Guide.
2E48-27R/2E49-27R User’ s Guide B-1 APPENDIX B FE-100TX, FE-100FX, AND FE-100F3 SPECIFICATIONS The 2E4X-27R supports three Fast Ethernet Interf ace Modules: • FE-100TX ( Section B.1 ) • FE-100FX ( Section B.2 ) • FE-100F3 ( Section B.3 ) This appendix provides the specifications for these modules.
Appendix B: FE-100TX, FE-100FX, and FE-100F3 Specifications B-2 2E48-27R/2E49-27R User’ s Guide B.1.1 A uto-Negotiation When using the optional FE-100TX Fast Ethernet Interf ace Modules, these twisted pair ports hav e the ability to auto-negotiate the type of connection required to provide a link to another de vice.
FE-100FX 2E48-27R/2E49-27R User’ s Guide B-3 B.2 FE-100FX The FE-100FX sho wn in Figure B-2 uses an SC style connector that supports multimode fiber optic cabling.
Appendix B: FE-100TX, FE-100FX, and FE-100F3 Specifications B-4 2E48-27R/2E49-27R User’ s Guide 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 .
2E48-27R/2E49-27R 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 2E48-27R/2E49-27R User’ s Guide C.1 REQUIRED T OOLS Y ou need the following tools to perform the procedures provided in this appendix: • Antistatic wrist strap • Phillips scre wdri ver C.
Removing the Chassis Co ver 2E48-27R/2E49-27R User’ s Guide C-3 T o remove the chassis co ver , proceed as follo ws: 1. Disconnect the 2E4X-27R from the network as follows: a. Unplug both po wer cords from the rear of the chassis. b. Disconnect all network cables attached to the 2E4X-27R.
Appendix C: Optional Installations and Mode Switch Bank Settings C-4 2E48-27R/2E49-27R User’ s Guide 3. Use a Phillips screwdriver to remove the screws attaching the cover to the chassis. (See Figure C-1 .) 4. Remove the cover by sliding it back until it clears the front of the chassis and then lifting it straight up and off the chassis.
Removing the Chassis Co ver 2E48-27R/2E49-27R User’ s Guide C-5 Figure C-2 2E4X-27R Mode Switch Location/Component Lay out • Switch 6 – Forced BootP .
Appendix C: Optional Installations and Mode Switch Bank Settings C-6 2E48-27R/2E49-27R User’ s Guide • Switch 7 – Clear NVRAM. Changing the position of this switch resets NVRAM on the next po wer-up of the de vice. All user -entered parameters, such as the IP address, de vice names, etc.
Installing Optional Fast Ethernet Interface Modules 2E48-27R/2E49-27R 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 2E48-27R/2E49-27R 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 is to be installed.
Installing Optional Fast Ethernet Interface Modules 2E48-27R/2E49-27R User’ s Guide C-9 Figure C-4 Coverplate Remov al 2. Remove the screw from the rear standoff. Save the screw. 3. See Figure C-5 . Gently pull the faceplate of the 2E4X-27R forward to allow room for the Fast Ethernet Interface Modules to be aligned over the connector.
Appendix C: Optional Installations and Mode Switch Bank Settings C-10 2E48-27R/2E49-27R User’ s Guide 4. Carefully lower the Fast Ethernet Interface Module onto the standoffs while inserting the module connector into the associated motherboard connector.
2E48-27R/2E49-27R User’ s Guide Index-1 INDEX Numerics 100BASE-FX cable length 2-2 10BASE-FX connection 3-9 10BASE-T requirements 2-1, 2-2 2E48-27R/2E49-27R front panel 1-3 2E4X-27R overview of 1-2 802.1D switching setting operational mode for 5-26 802.
Index Index-2 2E48-27R/2E49-27R User’ s Guide FE-100TX RJ45 Pinouts B-1 Features optional 1-7 Fiber connection SC to SC 3-13 Flash Download screen 5-55 download file name 5-57 download method 5-56 d.
Index 2E48-27R/2E49-27R User’ s Guide Index-3 OutErrors 5-72 OutNonUnicast 5-72 OutOctets 5-72 OutQLen 5-72 OutUnicast 5-72 speed 5-73 Interface Statistics screen address 5-72 IP address 5-18, 5-20 .
Index Index-4 2E48-27R/2E49-27R User’ s Guide R Regulatory Compliance A-3 RESET button 4-7 RMON Statistics screen 1024 – 1518 octets 5-77 128 – 255 octets 5-77 256 – 511octets 5-77 512 – 102.
Index 2E48-27R/2E49-27R User’ s Guide Index-5 Special commands use of 5-80 Special Commands, Network Tools 5-89 Specifications A-1 Standards compatibility 1-6 Subnet mask 5-18, 5-21 Switch address 5.
Index Index-6 2E48-27R/2E49-27R User’ s Guide V VLAN configuration of 5-46.
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 2E48-27R 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 2E48-27R - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cabletron Systems 2E48-27R imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cabletron Systems 2E48-27R ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cabletron Systems 2E48-27R, 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 2E48-27R.
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 2E48-27R. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cabletron Systems 2E48-27R 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.