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Cabletron Systems IRM/LM User Manual

Local network management for cabletron systems
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IRM/LM
LOCAL MANAGEMENT
FOR THE CABLETRON SYSTEMS
IRM
USER'S MANUAL
CABLETRON SYSTEMS, P.O. BOX 5005, ROCHESTER, NH 03867-5005

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Summary of Contents for Cabletron Systems IRM/LM

  • Page 1 IRM/LM LOCAL MANAGEMENT FOR THE CABLETRON SYSTEMS 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 NOTICE...

  • Page 5: Table Of Contents

    CHAPTER 1 INTRODUCTION USING THIS MANUAL ... 1-1 GETTING HELP ... 1-2 LOCAL MANAGEMENT FOR THE CABLETRON SYSTEMS IRM ... 1-3 RELATED MANUALS... 1-4 CHAPTER 2 GETTING STARTED TERMINAL CONFIGURATION ... 2-1 2.1.1 VT100 Series Setup... 2-1 2.1.2 Prime 200 Series Setup ... 2-2 CABLE CONFIGURATION...
  • Page 6 CONTENTS 6.1.2 Editing the Reset System Parameters Screen ...6-3 6.1.2.1 6.1.2.2 6.1.2.3 6.1.2.4 6.1.2.5 6.1.2.6 6.1.2.7 6.1.2.8 6.1.2.9 6.1.2.10 Setting the Stats Polling Interval # of Packets 6-6 6.1.3 Saving System Parameters...6-7 CHAPTER 7 SETTING ALARM LIMITS RESET SYSTEM PARAMETERS SCREEN ...7-1 SET BOARD ALARM LIMITS SCREEN ...7-3 7.2.1 Set Board Limits Screen Fields ...7-3...
  • Page 7 CHAPTER 13 USING OTHER AVAILABLE FUNCTIONS 13.1 RESTARTING THE IRM... 13-1 13.2 RESETTING IRM COUNTERS ... 13-1 13.3 RESETTING AUTO MODE (TOKEN RING) ... 13-2 13.4 ENABLING AND DISABLING ALL ETHERNET OR TOKEN RING PORTS... 13-2 13.4.1 Enabling and Disabling All Ethernet Ports ... 13-2 13.4.2 Enabling and Disabling All Token Ring Ports ...
  • Page 8 CONTENTS...

  • Page 9: Chapter 1 Introduction

    CHAPTER 1 INTRODUCTION Welcome to Cabletron Systems' IRM/LM - Local Network Management for Cabletron Systems' IRM User's Manual. We have designed this manual to serve as a simple reference guide for using IRM/LMIM™. Local Management is accessed through the Console Port on the IRM.

  • Page 10: Getting Help

    INTRODUCTION Chapter 8, Using the Redundancy Feature, describes each field on the Cable Redundancy Screen-. Instructions are also included for setting up redundant links. Chapter 9, Setting Alternate MMAC Board Names, describes each field on the MMAC Board Names Screen. Instructions are also included for changing these field names to names of your own choice.

  • Page 11: Local Management For The Cabletron Systems Irm

    LOCAL MANAGEMENT FOR THE CABLETRON SYSTEMS IRM Cabletron Systems Local Management for the Cabletron Systems IRM provides unique network management and control capabilities for a Cabletron Systems Multi Media Access Center (MMAC) with an IRM installed. With Local Management, you have full control of your network. Local Management provides the network manager with many tools to control and manage the MMAC and its attached segments.

  • Page 12: Related Manuals

    INTRODUCTION RELATED MANUALS The manuals listed below should be used to supplement the procedures and other technical data provided in this manual. Their procedures are referenced where appropriate, but are not repeated in this manual. Cabletron Systems' Intelligent Repeater Module (IRM/IRM-1) Installation Guide Cabletron Systems' Local Management for the IRM Change Password Feature Instruction Sheet...

  • Page 13: Chapter 2 Getting Started

    This chapter lists procedures for entering the password so you can access Local Management for the IRM. It also provides the terminal and cable configurations for setting up a terminal for accessing Local Management. Instructions are included for exiting Local Management. TERMINAL CONFIGURATION Local Management for the IRM is accessed through a VT™...

  • Page 14: Prime 200 Series Setup

    GETTING STARTED Communications Set-up Menu Transmit Receive XOFF Bits Parity Stop Bit Local Echo Port Transmit Keyboard Set-up Menu Keys Auto Repeat Keyclick Margin Bell Warning Bell Auto Answerback 2.1.2 Prime 200 Series Setup If you have a PRIME 200 series terminal, press SETUP to access the Setup Directory.

  • Page 15: Cable Configuration

    Online/Local Host Stop Bits Aux Stop Bits Host Baud Rate Host Parity Aux Baud Rate Aux Parity CABLE CONFIGURATION Local Management is accessed by a modified RS-232 cable, available from Cabletron Systems. This cable connects the terminal to the IRM's Console port.

  • Page 16: Accessing Local Management

    GETTING STARTED ACCESSING LOCAL MANAGEMENT This section contains instructions for attaching the terminal to the IRM, and for accessing Local Management through the IRM's Console port. This procedure assumes that the special 9 to 25 pin RS-232 cable, provided by Cabletron Systems, is being used to connect the terminal to the IRM.
  • Page 17 P.O. Box 6257 Rochester, NH (C) Copyright Cabletron Systems Inc. Figure 2-2 MMAC Password Screen 02/16/90 14:26:43 Values displayed reflect previous system configuration MMAC Name: Tech Writing Total MMAC Packets: 2532 Total MMAC Collisions: 0 Total Alarms: Packets/ Colls. Within MMAC Limit: 1000 -C 00:00:10...

  • Page 18: Exiting Local Management

    GETTING STARTED EXITING LOCAL MANAGEMENT To exit Local Management: 1. Return to the MMAC Main Screen. If you are presently at the MMAC Main Screen, move to step #3. If you are at any other screen, highlight the MAIN option at the bottom of the screen using the arrow keys. 2.

  • Page 19: Chapter 3 Using Local Management For The Irm

    USING LOCAL MANAGEMENT FOR THE IRM Local Management's screens can be easily accessed by manipulating the arrow keys on your terminal. This chapter explains how to move around Local Management for the MMAC (HUB). GENERAL TIPS • You have the option to return to the MMAC Main Screen by selecting MAIN at the bottom of the screen.
  • Page 20 USING REMOTE LANVIEW...

  • Page 21: Chapter 4 Main Menu

    The Main Menu of Local Management for the IRM displays various parameters to which Local Management is set. A summary of network activity that has been detected by the MMAC is also displayed. THE MMAC MAIN SCREEN The MMAC Main Screen, Figure 4-1, is the first screen to appear after the correct password is entered.

  • Page 22: Mmac Main Screen Fields

    MAIN MENU 4.1.1 MMAC Main Screen Fields (Date/Time) Displays the current date and time of the MMAC. Last Reset: Displays the date and time that the IRM counters of the MMAC were last reset to 0. MMAC Name: Displays the user-defined name given to the MMAC. The MMAC Name is the same name given to Board 0 (the IRM) at the MMAC Board Names Screen.
  • Page 23 Limit will not be checked. The default entry in this field is 1000 -C. Within Displays the time period in which the number of packets or collisions, listed in the Packets/Colls. display, may occur before the MMAC Alarm Limit is reached.
  • Page 24 MAIN MENU Screen Refresh Time: Display, in seconds, how often each screen on the terminal connected to the IRM’s Console port is updated. The default value for this field is 10 seconds. Minimum Alarm Duration: Display, in seconds, how long an error, alarm, or status message will appear on the second line of the terminal’s screen before being erased.

  • Page 25: Mmac Statistics Screen

    STATISTICS SCREENS The Statistic Function of Local Management gives you the ability to gather a vast amount of statistical information about your MMAC. Statistics are gathered at three increasingly detailed levels: for the MMAC as a whole, for each board, and for each port. MMAC STATISTICS SCREEN The MMAC Statistics screen displays general statistical information for the MMAC as a whole, such as the number of good packets or collisions...

  • Page 26: Mmac Statistics Screen Fields

    STATISTICS SCREENS 5.1.1 MMAC Statistics Screen Fields MMAC Name Displays the user-defined name assigned to the IRM at the MMAC Board Names Screen. MMAC Address Displays the Ethernet address of the MMAC. MMAC Port Status - ON:xx OFF:xx Displays the number of ports in the MMAC that are ON (enabled or segmented) and the number of ports that are OFF (disabled).
  • Page 27 The Timer Statistics portion of the screen displays the following timer statistics for the MMAC as a whole: Elapsed Displays the number of good packets, collisions, or alarms the MMAC processed during the last sample checked. Average Displays the average number of good packets, collisions or alarms which occurred since the IRM counters were last reset.

  • Page 28: Board Statistics Screen

    STATISTICS SCREENS Name Displays the user-defined name assigned to the board at the Board Names Screen. Board/MMAC Displays the percentage of activity for which each board is responsible, based on total MMAC activity. BOARD STATISTICS SCREEN The Board X Statistics Screen displays board level statistics for the MMAC.
  • Page 29 02/16/90 14:26:43 MMAC Name: IRM Board MMAC Total Packets: 266003 Colls.: Alarms: Timer Statistics Configured Interval: 00:00:20 Elapsed Packets: Colls. Alarms: Delta Time: Counter Statistics Configured Level: 10000 Elapsed Packets: Colls. Alarms: Delta Time: 2627 MAIN STATE-MMAC STATS-BOARD 0 Figure 5-2 Board X Statistics Screen (Ethernet) Board Name Displays the user-defined name assigned to the board at the Board Names Screen.
  • Page 30 STATISTICS SCREENS Packets Displays the total number of good packets the board has processed. Colls. Displays the total number of collisions the board has processed. Alarms Displays the total number of times the board reached a board alarm limit. % Board/MMAC The % Board/MMAC indicates the percentage of activity for which the board is responsible, based on total MMAC activity.
  • Page 31 The Timer Statistics portion of the screen displays the following timer statistics for the board: Elapsed Displays the number of good packets, collisions, or alarms the board processed during the last sample checked. Average Displays the average number of good packets, collisions, or alarms processed since the IRM counters were last reset.
  • Page 32 STATISTICS SCREENS Port Displays the Port number on the Board. Available port numbers are 1 through 12 for each board except the IRM, FOT-MIM-16, FOT-MIM-26 and the MT8-MIM. The port numbers for a FOT-MIM-16 and a FOT-MIM-26 are 1 through 6. The port numbers on an MT8-MIM are 1 through 8.

  • Page 33: Token Ring Board Stats

    Colls. Displays statistics based on the number of collisions. Alarms Displays statistics based on the number of alarms. Delta Time Displays the actual time between the gathering of Counter Statistics. 5.2.2 Token Ring Board Stats To access the Token Ring Board Status screen: 1.

  • Page 34: Token Ring Board Status Screen Fields

    STATISTICS SCREENS 5.2.2.1 Token Ring Board Status Screen Fields TR Port Status MMAC ON/OFF Indicates the number of ports that are ON (enabled) or OFF (disabled) on all the boards on the MMAC. This number includes Token Ring station and ring-/ring-out ports.
  • Page 35 There are five possible board connection status messages: NO BOARD The slot is empty. NOT A TR-MIM The board in the slot is not a Token Ring board. DETACHED Management has set this board so that it will not communicate with the Token Ring board in the associated slot.
  • Page 36 STATISTICS SCREENS Enabled Indicates that the port has been enabled by management. Station Ring-in/Ring-out Status Indicates the current state of the station and the ring-in/ring-out ports on the board. Station Ports The four possible status messages for station ports are: ENABLED The ports has been enabled by management, and there is a station linked to the port.

  • Page 37: Port Statistics Screen (Ethernet)

    USING BACKUP ACTIVE The four possible combinations of status messages for each ring-in/ ring-out pair are: Linked RING-IN RING-OUT NO RING-IN RING-OUT NO RING-IN RING-OUT YES RING-IN RING-OUT YES PORT STATISTICS SCREEN (ETHERNET) The Port X Statistics Screen displays port level statistics for the MMAC. These port statistics are broken down to Timer Statistics (statistics based on a time period) and counter statistics (statistics gathered based on a count of good MMAC packets).

  • Page 38: Port Statistics Screen Fields

    STATISTICS SCREENS 02/16/90 14:44:13 MMAC Name: IRM Board MMAC Total Board Total Packets: 266712 1448 Colls.: Alarms: Timer Statistics Elapsed Packets: Colls.: Alarms: Delta Time: Counter Statistics Elapsed Packets: Colls.: Alarms: Delta Time: 2627 MAIN STATS-MMAC Figure 5-4 Port X Statistics Screen 5.3.1 Port Statistics Screen Fields MMAC Name...
  • Page 39 MMAC Total The MMAC Total displays the number of good packets or collisions the MMAC has processed, and also the number of times the MMAC has reached an alarm limit. Packets Displays the total number of good packets the MMAC has processed.
  • Page 40 STATISTICS SCREENS % Board/MMAC % Board/MMAC indicates the percentage of activity for which the board is responsible, based on total MMAC activity. Packets Displays the percentage of good packets for which the board is responsible, based on total MMAC activity. Colls.
  • Page 41 Timer Statistics Timer Statistics allow you to sample activity on the port by a set time period. You can set this time period at the Stats Polling Intervals display on the System Parameter Screen. For example, if Time is set to 10 seconds, the figure under Elapsed - Packets will be the number of packets that the port processes during that 10 second interval.
  • Page 42 STATISTICS SCREENS This portion of the screen displays the following Counter Statistics for the board. Elapsed Displays the number of good packets, collisions, or alarms that occurred during the last sample checked. Average Displays the average number of good packets, collisions, or alarms that have occurred since the IRM counters were last reset.

  • Page 43: Chapter 6 Setting System Parameters

    SETTING SYSTEM PARAMETERS From the Reset System Parameter Screen, you can set or change various parameters for the terminal connected to the IRM's Console port. RESET SYSTEM PARAMETERS SCREEN The Reset System Parameters Screen allows you to alter Local Management's system parameters that appear on the MMAC Main Screen.

  • Page 44: Reset System Parameters Screen Fields

    SETTING SYSTEM PARAMETERS 6.1.1 Reset System Parameters Screen Fields Unit Name: Displays the user-defined name given to the MMAC. The MMAC Name is the same name given to Board 0, the IRM, and the MMAC Board Names Screen for the MMAC. MMAC Address: Displays the Ethernet address of the MMAC.

  • Page 45: Editing The Reset System Parameters Screen

    Screen Refresh Time: Displays, in seconds, how often each screen on a terminal connected to the IRM's Console port will be updated. The default value for this field is 10 seconds. Minimum Alarm Duration: Displays, in seconds, how long an error, alarm, or status message will appear on the second line of the terminal's screen.

  • Page 46: Setting The Current Time

    SETTING SYSTEM PARAMETERS 3. Press Return. If an invalid date is entered, the error message, ILLEGAL DATE ENTERED, will appear at the top left corner of the screen. 6.1.2.2 Setting the Current Time To set the current time: 1. Using the arrow keys, highlight the Current Time field. 2.

  • Page 47: Setting The Management Auto Send Option

    6.1.2.5 Setting the Management Auto Send Option To set the Management Auto Send option: 1. Using the arrow keys, highlight the Management Auto Send field. 2. Press Return to toggle the field to Yes or No. YES indicates that a management packet will be generated when the MMAC has gathered statistics.

  • Page 48: Setting The Mmac Ip Address

    SETTING SYSTEM PARAMETERS 6.1.2.8 Setting the MMAC IP Address To set the MMAC IP Address: 1. Using the arrow keys, highlight the MMAC IP Address field. 2. Enter the address into the field. The format for this entry is XXX.XXX.XXX, with values from 0-9. 3.

  • Page 49: Saving System Parameters

    6.1.3 Saving System Parameters When you have finished changing the system parameters, you must save all changes before going to another screen. To save the new system parameters: 1. Using the arrow keys, highlight the SAVE command field. 2. Press Return. The message, MMAC SYSTEM PARAMETERS HAVE BEEN SAVED! BY IRM OPERATOR, will appear in the upper left hand corner of the screen.
  • Page 50 SETTING SYSTEM PARAMETERS...

  • Page 51: Chapter 7 Setting Alarm Limits

    CHAPTER 7 SETTING ALARM LIMITS The alarm limit function of Local Management allows you to set alarm limits for the MMAC as a whole, for each individual board or for each individual port. Alarm limits can be set to notify you that a limit has been reached, or to disable an MMAC, board, or port when a limit is reached.
  • Page 52 SETTING ALARM LIMITS 02/16/90 14:28:20 Unit Name: TECH WRITING Current Date: 07/15/89 Current Time: 14:28:20 Packets/ Colls. MMAC Limit: 1000 Audible Alarms: Segmented Port Alarms: Management Auto Send: Screen Refresh Time: Minimum Alarm Duration: MMAC IP Address: Stats. Polling Intervals MAIN SAVE BOARD NAMES...

  • Page 53: Set Board Alarm Limits Screen

    Auto Shut-off Indicates whether or not the MMAC will shut off automatically when the MMAC Alarm Limit is reached. YES indicates that the MMAC will shut off automatically when the limit is reached. NO indicates that the MMAC will not shut off when the limit is reached.
  • Page 54 SETTING ALARM LIMITS 02/16/90 14:30:47 Packets/ Colls. MMAC Limit: 1000 Slot Name Media TECH WRITING Board 1 THINMIM MAIN SAVE Figure 7-2 Set Board Alarm Limits Screen MMAC Limit Displays the MMAC Alarm Limit. The MMAC Alarm Limit is the number of good packets or collisions that can pass through the MMAC within a given time period before the MMAC Alarm Limit is reached.
  • Page 55 SETTING ALARM LIMITS The following fields relate to setting the Board Alarm Limit. For instructions on setting a Board Alarm Limit, refer to Section 7.4, Setting An Alarm Limit. Packets/Colls. Allows you to indicate the number of packets that must pass through the board before the Board Alarm Limit is checked.

  • Page 56: Set Port Alarm Limits Screen

    SETTING ALARM LIMITS SET PORT ALARM LIMITS SCREEN Port Alarm Limits allow you to set an alarm limit for each port on a board. These alarm limits can be configured to advise you that a certain number of good packets or collisions have passed through the port within a given time period, within a specified count of good packets or collisions processed by the MMAC, or by a specified count of good packets or collisions processed by a board.

  • Page 57: Set Port Alarm Limits Screen Fields

    SETTING ALARM LIMITS 7.3.1 Set Port Alarm Limits Screen Fields MMAC Name Displays the user-defined name given to the MMAC. The MMAC name is the same name given to the IRM at the MMAC Board Names Screen. Board X Name Displays the user-defined name assigned to the board at the MMAC Board Names Screen.

  • Page 58: Setting An Alarm Limit

    SETTING ALARM LIMITS Within Allows you to set time or count parameters in which the number of packets entered in the Packets/Colls_ display may occur before the Port Alarm Limit is reached. When -TIME is to the right of the field, Within can be within a time period.
  • Page 59 3. Press Return. 4. Highlight the next field, -P or -C. 5. Press Return to toggle the field from -P to -C. The field should be set to -P if the entry made in step 2 is packets. If the entry was collisions, the field should be -C.
  • Page 60 SETTING ALARM LIMITS WARNING: Setting an MMAC limit with Auto Shut-off selected to YES can be very dangerous. When the MMAC alarm limit is reached, all ports on the MMAC will be disabled. 12. Press Return to toggle the field from YES or NO. 13.

  • Page 61: Chapter 8 Using The Redundancy Function

    CHAPTER 8 USING THE REDUNDANCY FUNCTION Cabletron Systems' Local Management Redundancy feature is designed to keep your network up and running in the event that a critical data path fails. Local Management allows you to set up alternate data paths (redundant segments) for critical data paths on the network.

  • Page 62: Cable Redundancy Screen Fields

    USING THE REDUNDANCY FUNCTION 02/16/90 14:34:16 Redundant Circuits ADD NEW CIRCUIT Poll Interval: 3 Cable Test: 01:00:00 MAIN SAVE Figure 8-1 Cable Redundancy Screen 8.1.1 Cable Redundancy Screen Fields Redundant Circuits Displays the user defined names of the point-to-point cable connections. Board Displays the board where the primary or backup port can be found.

  • Page 63: Setting Up A Cable Redundancy

    Polling Addresses Displays a list of MMAC Ethernet addresses associated with the selected circuit. Polling Interval Displays the time in seconds that the primary sends out an individual management packet to the addresses listed in the Polling Address field. This field is common to all redundant circuits created. Cable Test Displays the test time interval in which the primary MMAC polls all the elements in the circuit configuration to test which redundant circuits have...
  • Page 64 USING THE REDUNDANCY FUNCTION 8. Press Return. The Retry Count text box will be highlighted. 9. Enter the new Retry Count. (Press the down arrow key to accept the current Retry Count.) 10. Press Return. The ADD NEW POLL ADDR option will be highlighted.
  • Page 65 24. Press the down arrow to accept the designation as the Inactive port. (If you wish to designate this Board/Port Primary (P) or Active (A), enter the appropriate letter and Press Return. Remember that you must have at least one Board/Port designated as the Inactive.) The ADD NEW BOARD PORT option will be highlighted.
  • Page 66 USING THE REDUNDANCY FUNCTION...

  • Page 67: Chapter 9 Setting Alternate Mmac Board Names

    SETTING ALTERNATE MMAC BOARD NAMES With the Alternate Board Name function of Local Management, user- defined names can be assigned to the various boards in the MMAC. MMAC BOARD NAMES SCREEN At the MMAC Board Name Screen, you can assign your own names to the boards in the MMAC.

  • Page 68: Mmac Board Names Screen Fields

    SETTING ALTERNATE MMAC BOARD NAMES MMAC BOARD NAMES SCREEN FIELDS Slot X Displays the number of the slot the board occupies in the MMAC. Available board slot numbers are O through 7. Name Displays the name assigned to the board. The name given to Board O will also be the MMAC Name.

  • Page 69: Chapter 10 Port Status Screen

    PORT STATUS SCREEN The Port Status option allows you to see the state of all the ports on the boards in your MMAC. You can find which Ethernet ports are on or off, and which Token Ring ports are enabled or wrapped. In addition, you can quickly view a summary of total ports enabled.

  • Page 70: 10.1.1 Port Status Screen Fields

    PORT STATUS SCREEN 10.1.1 Port Status Screen Fields Slot X Indicates the type of board installed in each slot of the MMAC, e.g., TR_12, THINMIM. Port Indicates the status of each port on the boards in the MMAC. There are different status conditions for the Ethernet and Token Ring ports.
  • Page 71 Ring-in/Ring-out There are four possible conditions for each pair of Ring-in/Ring-out ports: RI-WRP, RO-WRP RI-WRP, RO-BAK RI-BAK, RO-WRP RI-ACT, RO-ACT <—>, x—>, x—x, or <—x Indicates that two adjacent, active Token Ring boards are connected across a flexible network bus (FNB). If one or more of the arrow heads is an 'x', the board on that side of the arrow is in the bypass mode.
  • Page 72 PORT STATUS SCREEN 10-4...

  • Page 73: Port Link Status Option

    CHAPTER 11 PORT LINK STATUS OPTION With the Link Status option, you can quickly view the link status of each port on the boards that generate a link status. These boards include the Cabletron Systems' 10BASE-T Twisted Pair Media Interface Modules, Fiber Optic Media Interface Boards, and Token Ring Media Interface Boards.
  • Page 74 PORT LINK STATUS OPTION 08/31/90 13:44:45 Slot 0 Slot 1 Slot 2 Port TR_12 Total MAIN ENABLE BOARD 0 DISABLE BOARD 0 Figure 11-1 Link Status Screen There are three possible Link Status messages for Ethernet boards: Link OK (LNK) indicates that a link is established between that applicable port on the module and the device at the other end of the 10BASE-T Twisted Pair or Fiber Optic segment.
  • Page 75 A port is considered Bypassed (BYP) if it has been disabled by management, and there is no station linked to the port. A port is considered Linked (LNK) if the port has been disabled by management, and there is a station linked to the port.
  • Page 76 PORT LINK STATUS OPTION 11-4...

  • Page 77: Previous Counter Screens

    USING THE PREVIOUS COUNTER SCREENS Local Management also has the capability for storing statistical information that the MMAC has gathered before the last two IRM resets. This information can be accessed at a later time so that you can evaluate and analyze the impact of network activity on the MMAC.

  • Page 78: Previous Counter X Screen Fields

    USING THE PREVIOUS COUNTER SCREENS To access this screen: 1. Highlight the PREVIOUS COUNTER X option at the bottom of the MMAC Main Screen. 2. Press the shift and + keys or - key to move between screens 0 and 1. 3.
  • Page 79 USING THE PREVIOUS COUNTER SCREENS Name Displays the user-defined name assigned to the board at the Board Names Screen. Packets/Totals Displays the total number of good packets the board processed before the last reset occurred. Colls./Totals Displays the total number of collisions the board processed before the last reset occurred.
  • Page 80 USING THE PREVIOUS COUNTER SCREENS 12-4...

  • Page 81: Chapter 13 Using Other Available Functions

    USING OTHER AVAILABLE FUNCTIONS Other functions available with Local Management include Restarting the IRM, Resetting IRM Counters, and Enabling and Disabling Ports and Boards. 13.1 RESTARTING THE IRM The Restart IRM function allows you to reset all configurable variables (except Redundancy) to the default values resident on your Local Management firmware.

  • Page 82: Resetting Auto Mode (Token Ring)

    USING OTHER AVAILABLE FUNCTIONS 13.3 RESETTING AUTO MODE (TOKEN RING) You can reset your Token Ring boards to Auto Mode at the Reset System Parameters Screen. (For more information on Auto Mode and its associated settings, please refer to Chapter 5.) To reset your Token Ring boards to Auto Mode: 1.

  • Page 83: 13.4.2 Enabling And Disabling All Token Ring Ports

    13.4.2 Enabling and Disabling All Token Ring Ports 1. Use the arrow keys to highlight the ENABLE TOKEN RING or DISABLE TOKEN RING option at the bottom of the screen. 2. Press Return. The message ALL PORTS ENABLED (DISABLED) BY IRM OPERATOR will appear. 13.4.3 Enabling and Disabling All Ports on Individual Ethernet Boards You can turn all ports connected to an individual board on or off from the...

  • Page 84: Enabling And Disabling Individual Ethernet And Token Ring Ports

    USING OTHER AVAILABLE FUNCTIONS 13.4.5 Enabling and Disabling Individual Ethernet and Token Ring Ports You can turn individual ports connected to an individual board in the MMAC on or off from the appropriate Port X Statistics Screen (Ethernet) or the Token Ring Board X Status Screen. To enable or disable an individual port from the Port X Statistics Screen or the Token Ring Board X Status Screen: 1.

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