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Cabletron Systems IRM-2/LM User Manual

Irm2 local management
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IRM2/LM™
IRM2 LOCAL MANAGEMENT
USER'S MANUAL
CABLETRON SYSTEMS, P.O. BOX 5005, ROCHESTER, NH 03867-5005

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Summary of Contents for Cabletron Systems IRM-2/LM

  • Page 1 IRM2/LM™ IRM2 LOCAL MANAGEMENT USER’S MANUAL CABLETRON SYSTEMS, P.O. BOX 5005, ROCHESTER, NH 03867-5005...
  • Page 3 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 have been made. The hardware, firmware, or software described in this manual is subject to change without notice.

  • Page 4: Fcc Notice

    FCC Notice 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 interference and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and has been found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.

  • Page 5: Table Of Contents

    CHAPTER 1 INTRODUCTION USING THIS MANUAL ... 1-1 GETTING HELP ... 1-2 ABOUT IRM2 LOCAL MANAGEMENT ... 1-2 RELATED MANUALS... 1-3 SUGGESTED READING... 1-3 CHAPTER 2 GETTING STARTED LOCAL MANAGEMENT FROM A TERMINAL... 2-1 2.1.1 Terminal Configurations... 2-1 2.1.2 Cable Configuration ... 2-2 2.1.3 Accessing Local Management ...
  • Page 6 CONTENTS 5.1.6 Using the Set Current Date Option...5-6 5.1.7 Using the Set Current Time Option ...5-6 5.1.8 Using the Set Modem Baud Rate Option ...5-6 5.1.9 Using the Set Device Lock Option...5-7 5.1.10 Using the Set Refresh Option...5-7 5.1.11 Using the Set Factory Defaults Option ...5-8 CHAPTER 6 USING THE PORT ASSOCIATION OPTION PORT ASSOCIATION SCREEN ...6-1...

  • Page 7: Chapter 1 Introduction

    CHAPTER 1 INTRODUCTION Welcome to Cabletron Systems’ IRM2/LM™ – Local Management for the Cabletron Systems IRM2 User’s Manual. We have designed this manual to serve as a simple reference guide for using IRM2/LM. Local Management for the IRM2 provides complete control of your IRM2 through the Console Port on the module.

  • Page 8: Getting Help

    INTRODUCTION We assume that you have a general working knowledge of Ethernet or IEEE 802.3 type data communications networks and their physical layer components. GETTING HELP If you need additional support related to Cabletron Systems’ Local Management for the IRM2, or if you have any questions, comments, or suggestions concerning this manual, feel free to contact Cabletron Systems’...

  • Page 9: Related Manuals

    Since the IRM2 is an SNMP compliant device, you can also set community names for the devices attached to your IRM2. These community names serve four purposes: • They provide a security. The IRM2 authenticates any SNMP request, and only responds to those requests that have a community name contained in the IRM2 community name table.
  • Page 10 INTRODUCTION...

  • Page 11: Chapter 2 Getting Started

    This chapter lists procedures for accessing IRM2 Local Management for the IRM2. Information is provided on required terminal and cable configurations for connecting to the IRM2’s Console port. Information is also provided on accessing Local Management through a modem. LOCAL MANAGEMENT FROM A TERMINAL To access Local Management for the IRM2, you must attach a VT 200 or 300 series terminal, or terminals running emulation programs for these series to the 9 pin port labeled CONSOLE on the IRM2.

  • Page 12: Cable Configuration

    GETTING STARTED Communications Set-up Menu Transmit Receive XOFF Bits Parity Stop Bit Local Echo Port Transmit Auto Answerback (VT 320) Keyboard Set-up Menu Keys Auto Repeat Keyclick Margin Bell Warning Bell Auto Answerback (VT 220) 2.1.2 Cable Configuration Access Local Management by using an RS232 cable. This cable connects the terminal to the IRM2 CONSOLE port.

  • Page 13: Accessing Local Management

    9 Pin Male Connector (IRM2 End) Pin 3 (Receive) Pin 2 (Transmit) Pin 5 (Ground) Pin 7 (Request to Send) Pin 8 (Clear to Send) 2.1.3 Accessing Local Management This procedure assumes that a 9 to 25 pin RS232 cable is connecting the terminal to the IRM2.
  • Page 14 GETTING STARTED P.O. Box 5005 Rochester, NH (C) Copyright Cabletron Systems Inc. 1992 Figure 2-1 IRM2 SNMP Local Management Screen 11/02/92 Device Name: IRM2 Bytes Received Packets: Errors: Receive Collisions: Transmit Collisions: Out of Window Collision: Runt Packets: No Resources Available: Frame Alignment Errors: CRC Errors: Giant Packets:...

  • Page 15: Local Management Through A Modem

    LOCAL MANAGEMENT THROUGH A MODEM To access IRM2 Local Management through a modem, you must use a Hayes, or Hayes compatible, modem meeting the AT Command Set. To access, as with the terminal, attach the modem to the 9 pin port labeled CONSOLE on the IRM2.
  • Page 16 GETTING STARTED Not Used Not Used Figure 2-3 Front Panel Switches Modem access to Local Management: 1. Plug the 9 pin end of the RS232 cable into the port labeled CONSOLE on the IRM2. 2. Plug the 25 pin end of the RS232 cable into the port on the modem. 3.

  • Page 17: Chapter 3 Device/Board/Port Counters

    DEVICE/BOARD/PORT COUNTERS The IRM2 DEVICE/BOARD/PORT COUNTERS Screen is the main access screen for IRM2 Local Management. This screen provides descriptive information about the network traffic passing through the IRM2. DEVICE/BOARD/PORT COUNTERS SCREEN The DEVICE/BOARD/PORT COUNTERS Screen, Figure 3-1, allows quick scanning of statistical information concerning the MMAC™, boards, and ports associated with the IRM2.

  • Page 18: Displaying The Desired Board/Port

    DEVICE/BOARD/PORT COUNTERS Total errors are further broken down into the following categories: • Out of Window Collisions • Runt Packets • No Resources Available • Frame Alignment Errors • CRC Errors • Giant Packets. In addition to viewing the above-mentioned information, the DEVICE/BOARD/PORT COUNTERS screen allows you to perform the following functions: •...

  • Page 19: Device/Board/Port/Counters Screen Fields

    DEVICE/BOARD/PORT COUNTERS 3.1.2 Device/Board/Port/Counters Screen Fields The following briefly explains each field in the DEVICE/BOARD/PORT COUNTERS Screen. Counter information is displayed separately on the screen for the whole Device (IRM2), the selected board, and the selected port. Bytes Received: Displays the number of bytes received. Packets: Displays the total number of packets received or transmitted.

  • Page 20: Using The Reset Counters Option

    DEVICE/BOARD/PORT COUNTERS Giant Packets: Displays the number of packets received whose size exceeded 1518 data bytes, not including preamble. Port Admin. Status: Displays the Administrative status of the Port. The two possible status messages are ON or OFF. Port Seg. Status: Displays the segmentation status of the Port.

  • Page 21: Using The Enable Port/Disable Port Option

    3.1.5 Using the Enable Port/Disable Port Option With the Enable and Disable Port option, you can enable or disable the port that is displaying statistics at the DEVICE/BOARD/PORT COUNTERS screen. To enable or disable a port: 1. Use the arrow keys to highlight the ENABLE PORT or DISABLE PORT option at the bottom of the DEVICE/BOARD/PORT COUNTERS screen.
  • Page 22 DEVICE/BOARD/PORT COUNTERS COMMUNITY NAMES Select this option to reach the Community Names screen. This screen allows you to designate community names for the devices attached to your IRM2. You can also designate the SNMP Compliant Network Management Workstations that you want to receive alarms from the IRM2.

  • Page 23: Chapter 4 Using The Community Names Option

    USING THE COMMUNITY NAMES OPTION The Community Names Option allows you to decide the type of access (Read Only, Read/Write, or Superuser) SNMP workstations have to the IRM2, and which workstations you want to receive alarms from the device. You can also change the password or add new passwords to the device by entering new Superuser names or altering existing Superuser names.

  • Page 24: Community Names Screen Fields

    USING THE COMMUNITY NAMES OPTION 4.1.1 Community Names Screen Fields The following briefly explains each field on the Community Names screen. Community Name Displays the user defined IRM2 access name assigned to SNMP Compliant Network Management Workstations. Access Indicates the access status of the workstations. The possible conditions are: RO (Read only) RW (Read/Write)

  • Page 25: Editing The Community Names Screen

    4.1.2 Editing the Community Names Screen Caution: Changing the factory default Superuser Name (the Return Key) changes the password to Local Management. Any community names assigned Superuser Access are your passwords to Local Management. These entries are sensitive to upper and lower case. Be sure to remember them, and the way you typed them.
  • Page 26 USING THE COMMUNITY NAMES OPTION...

  • Page 27: Chapter 5 Using The Setup Option

    USING THE SETUP OPTION The Setup option allows you to set your IRM2 Device Name, IP Address, SubNet Mask, Default Gateway, modem baud rate, current date and time, security mode (locked or unlocked), statistical counters refresh time, and enable or disable the factory default settings. The IRM2 saves all of these options in the battery backup memory when you power down, except for the factory default settings which always default to DISABLED on power up.

  • Page 28: Setup Screen Fields

    USING THE SETUP OPTION 5.1.1 Setup Screen Fields The following briefly explains each field on the Setup screen. Date Displays the IRM2 internal date setting. Time Displays the IRM2 internal time setting (in 24 hour format). Device Name Displays the name assigned to the device. The default name is IRM2. Ethernet Address: Displays the IRM2 Ethernet address in a hexadecimal format XX-XX-XX-XX-XX-XX, with XX ranging from 00-FF.

  • Page 29: Changing The Device Name

    Factory Defaults: Displays whether the IRM2 factory defaults are enabled or disabled. 5.1.2 Changing the Device Name To change the Device Name: 1. Use the arrow keys to highlight the Device Name field. 2. Enter the desired text (up to 20 characters). If you enter too many characters, the error message "Too Many Characters Entered"...

  • Page 30: Using The Set Subnet Mask Option

    USING THE SETUP OPTION 5.1.4 Using the Set SubNet Mask Option Note: Consult your Network Administrator prior to setting the SubNet Mask. The SubNet Mask defines how your IRM2 treats SNMP trap IP destination addresses in its Community Names table. Use the Set SubNet Mask option in conjunction with the Set Default Gateway option.

  • Page 31: Using The Set Default Gateway Option

    5.1.5 Using the Set Default Gateway Option Note: Consult your Network Administrator prior to setting the Default Gateway. The Default Gateway is the IP address of the network connection (gateway or router) used in forwarding management information from the IRM2 (e.g., SNMP traps) to a network management station. Use the Default Gateway option in conjunction with the Set SubNet Mask option.

  • Page 32: Using The Set Current Date Option

    USING THE SETUP OPTION 5.1.6 Using the Set Current Date Option To set the current date: 1. Use the arrow keys to highlight the Set Current Date field. 2. Enter the date into the field in a mmddyy format. 3. Press Return. If you enter an illegal date in step 2, the error message “Illegal Information Entered”...

  • Page 33: Using The Set Device Lock Option

    2. Press the Return key until the appropriate selection appears. (This field sequentially displays the following allowable baud rate values: 300, 600, 1200, 2400, 4800, 9600, 19200.) 3. Use the arrow keys to highlight the SAVE SETUP option at the bottom of the Setup Screen.

  • Page 34: 5.1.11 Using The Set Factory Defaults Option

    USING THE SETUP OPTION 3. Press Return. If you enter an illegal time in step 2, the error message “Illegal Information Entered” appears on the screen. 4. Use the arrow keys to highlight the SAVE SETUP option at the bottom of the Setup screen. 5.

  • Page 35: Chapter 6 Using The Port Association Option

    CHAPTER 6 USING THE PORT ASSOCIATION OPTION The Port Association Option allows you to set which port on the front of the IRM2, the AUI Port or Fiber Optic Link Port, acts as the repeater port. PORT ASSOCIATION SCREEN To access the Port Association Option: 1.

  • Page 36: Port Association Screen Fields

    USING THE PORT ASSOCIATION OPTION 6.1.1 Port Association Screen Fields The following briefly explains each field on the Port Association Screen. Device Name: Displays the name assigned to the IRM2. Ethernet Address: Displays the Ethernet address of the IRM2 in the hexadecimal format XX-XX-XX-XX-XX-XX, with XX ranging from 00-FF.

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