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Cabletron Systems TRBMIM User Manual

Local management
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BOOKTITLE2 OPTIONAL
TRBMIM/TRBMIM-T
LOCAL MANAGEMENT
USER'S GUIDE

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  • Page 1 BOOKTITLE2 OPTIONAL TRBMIM/TRBMIM-T LOCAL MANAGEMENT USER’S GUIDE...
  • Page 3 Printed in the United States of America Order Number: 9030857-03 July 1996 SPECTRUM, LANVIEW, and Remote LANVIEW are registered trademarks and TRBMIM, TRBMIM-T, TRMM, TRMMIM, TRMIM, and MMAC are trademarks of Cabletron Systems, Inc. IBM and LAN Net Manager are registered trademarks of International Business Machines Corporation.

  • Page 4: Fcc Notice

    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 found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.
  • Page 5 CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this License Agreement. This document is an agreement between you, the end user, and Cabletron Systems, Inc. (“Cabletron”) that sets forth your rights and obligations with respect to the Cabletron software program (the “Program”) contained in this package.

  • Page 6: United States Government Restricted Rights

    NOTICE UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product (a) was developed solely at private expense; (b) contains “restricted computer software” submitted with restricted rights in accordance with Section 52227-19 (a) through (d) of the Commercial Computer Software - Restricted Rights Clause and its successors, and (c) in all respects is proprietary data belonging to Cabletron and/or its suppliers.

  • Page 7: Table Of Contents

    CHAPTER 1 INTRODUCTION Document Conventions ... 1-1 Getting Help... 1-2 Using This Manual... 1-2 LM Structure ... 1-4 Operational Modes And LM Access ... 1-6 CHAPTER 2 ACCESSING LOCAL MANAGEMENT Management Terminal Requirements ... 2-1 Connecting A VT-Series Terminal ... 2-1 Connecting A PC ...
  • Page 8 CONTENTS The SNMP Community Names Screen ...4-9 4.2.1 Establishing Community Names ...4-10 The SNMP Traps Screen ...4-11 4.3.1 Setting SNMP Traps...4-12 The Ring Security Screen ...4-13 4.4.1 Specifying The Ring Interface ...4-14 4.4.2 Specifying A Ring Security Mode ...4-14 4.4.3 Building The Allowed List Automatically...4-16 4.4.4 Manually Adding Stations To The Allowed List ...4-16...
  • Page 9 Specifying The Screen Update Interval ... 6-3 Describing Statistical And Informational Fields ... 6-4 6.4.1 General Statistics... 6-4 6.4.2 Isolating Errors... 6-4 6.4.3 Ring Information ... 6-6 6.4.4 Non-Isolating Errors ... 6-7 CHAPTER 7 BRIDGE STATISTICS SCREEN Specifying A Counter Mode... 7-1 7.1.1 Using The Accumulative Counter Mode ...
  • Page 10 CONTENTS viii...

  • Page 11: Chapter 1 Introduction

    IEEE 802.5 standard for Token Ring networks, components used in Token Ring networks, and Source-Route (SR) bridging concepts. See the TRBMIM-T User’s Guide included with the TRBMIM-T and the TRMM, TRBMIM, & TRMMIM Installation Guide included with the TRBMIM for information specifying bridge/management module capabilities and configuration, installation, operation, cabling, and...

  • Page 12: Getting Help

    Ring Security screen to manage access to the ring; the Bridge Setup screen to setup Source-Route bridging parameters; and the LAN Net Manager Assignment screen to manage LAN Net Manager software access to TRBMIM/TRBMIM-T management resources. (603) 332-9400 Monday-Friday; 8 a.m. – 8 p.m. Eastern Time GO CTRON from any ! prompt support@ctron.com...
  • Page 13 FNB backplane connectivity between MIMs in the MMAC and to enable or disable network ports under TRBMIM/TRBMIM-T management control. It also describes how to view which system components and resources are active in the TRBMIM/TRBMIM-T using the Component Status screen.

  • Page 14: Lm Structure

    The following application screens are also available from the Main Menu: • Bridge Statistics screen • SNMP Tools screen • Device Statistics screen See Chapter 2 for information on accessing the TRBMIM/TRBMIM-T LM Password screen and Chapter 3 for information on accessing and working with LM screens.
  • Page 15 TRBMIM Local Management Flash Image Version: x.xx.xx MAIN MENU DEVICE SETUP DEVICE STATUS DEVICE STATISTICS BRIDGE STATISTICS SNMP TOOLS Menu Menu Applications EXIT TRBMIM Local Management DEVICE SETUP SYSTEM LEVEL SNMP COMMUNITY NAMES SNMP TRAPS RING SECURITY BRIDGE SETUP LAN NET MANAGER...

  • Page 16: Operational Modes And Lm Access

    The title of a LM screen indicates the current operating mode of the TRBMIM/TRBMIM-T. When the TRBMIM/TRBMIM-T is in the Bridge-Only mode, the LM screen displays this title: “TRBMIM BRIDGE LOCAL MANAGEMENT” When the TRBMIM/TRBMIM-T is in the Bridge/Management mode, the LM screen displays this title: “TRBMIM CHASSIS LOCAL MANAGEMENT”...

  • Page 17: Operational Mode

    Note: The degree of access to these applications depends on your password status. See Section 4.2 to establish password privileges. The next chapter describes how to connect a management terminal or PC to the TRBMIM/TRBMIM-T LM-access Console port and how to access the LM Password screen. OPERATIONAL MODE...
  • Page 18 INTRODUCTION...

  • Page 19: Chapter 2 Accessing Local Management

    It describes management terminal requirements and how to connect a VT-series terminal, a PC, and a modem to the TRBMIM/TRBMIM-T. It also describes terminal and modem setup parameters for the connection and requirements for establishing an in-band connection to LM via Telnet.

  • Page 20: Connecting A Pc

    Figure 2-1 Connecting a VT-Series Terminal (Example) 2.3 CONNECTING A PC Use the RS-232 console cable and the RJ45-to-DB9 PC adaptor shipped with the TRBMIM/TRBMIM-T to connect the PC, as shown in Figure 2-2. To connect the PC: 1. Insert the cable’s DB9 connector into the LM Console port.

  • Page 21: Connecting A Modem

    2.4 CONNECTING A MODEM Use the RS-232 console cable and the RJ45-to-DB25 modem adaptor shipped with the TRBMIM/TRBMIM-T to connect the modem, as shown in Figure 2-3. To establish the modem connection: 1. Insert the cable’s DB9 connector into the LM Console port.

  • Page 22: Configuring Terminal Setup Parameters

    ACCESSING LOCAL MANAGEMENT 2.5 CONFIGURING TERMINAL SETUP PARAMETERS Table 2-1 lists the setup parameters for the management terminal. If you are using a VT terminal, press F3 or the Setup key to access the Setup Directory. For a PC running a VT-terminal emulation program, refer to the documentation included with the program for specific instructions on setting VT-series-equivalent communication parameters.

  • Page 23: Configuring Modem Setup Parameters

    2.6 CONFIGURING MODEM SETUP PARAMETERS Table 2-2 lists setup steps and parameters for the PC, the modem attached to the PC and the modem attached to the TRBMIM/TRBMIM-T. You enter settings in the terminal-emulation application included with the PC. Table 2-2 Modem Configuration Setup Instructions To configure the PC, enter the following parameter settings in the PC’s terminal-emulation application.

  • Page 24: Accessing Local Management

    ATL1 <CR> ATM1 <CR> AT&W0 <CR> AT&W1 <CR> To configure the TRBMIM/TRBMIM-T’s modem, connect the modem to a PC with a straight-through cable. Access the PC’s terminal emulation application and enter the following commands in the settings file. Command Line ATS0=1 <CR>...
  • Page 25 The default password provides Super-User Community Name NOTE access privileges to LM. See Section 4.2 for more information about establishing Community Names to control access to LM applications. ACCESSING LOCAL MANAGEMENT TRBMIM CHASSIS LOCAL MANAGEMENT Cabletron Systems, Incorporated P.O. Box 5005 Rochester, NH 03867-5005 (603) 332-9400 Flash Image Version: x.xx.xx...

  • Page 26: Accessing Lm Via Telnet

    ACCESSING LOCAL MANAGEMENT 2.7.1 Accessing LM Via Telnet Once the TRBMIM/TRBMIM-T is assigned an IP address, you can access Local Management via Telnet connection from any TCP/IP based node on the network. You establish the Telnet connection to LM by specifying the TRBMIM/TRBMIM-T IP address in the Telnet application.
  • Page 27 A TRBMIM Local Management Session is currently in use. (This prompt will time out in 60 seconds) Would you like to disconnect that user? Figure 2-5 LM Disconnection Query To disconnect the current user, enter Figure 2-6. If you do not want to disconnect the current user, enter no at the cursor.
  • Page 28 ACCESSING LOCAL MANAGEMENT 2-10...

  • Page 29: Chapter 3 Working With Local Management

    WORKING WITH LOCAL MANAGEMENT This chapter describes how to use the terminal or PC keyboard to access LM menus and screens and how to modify and enter parameter settings in LM screens. It also describes LM screen elements: the different types of fields on LM screens and screen messages.

  • Page 30: Accessing Screens

    LM session active. 3.3 LM SCREEN ELEMENTS Figure 3-1 shows screen elements, which include parameter fields and screen messages, found on most LM screens. Event-Confirmation Message SAVED OK TRBMIM CHASSIS LOCAL MANAGEMENT System Date: Station COM1 COM2 [CONSOLE ]...

  • Page 31: Describing Lm Screen Fields

    3.3.1 Describing LM Screen Fields LM screen fields are described as follows: • Input fields are used to enter values from the keyboard. For example, you enter an IP address by selecting the IP address input field, 0.0.0.0, and then typing in the address. Input fields are always in boldface. •...

  • Page 32: Lm Application Messages

    SAVE/EXECUTE command used to immediately put into effect the parameters you enter. Also, the Bridge Setup screen includes a REBOOT field used to reset the TRBMIM/TRBMIM-T to immediately put into effect the bridge parameters you enter. 3.3.3 LM Application Messages...

  • Page 33: Exiting An Lm Screen

    Field-Sensitive Help Messages LM also displays messages that help guide you in executing certain functions with some fields. LM displays these messages in the lower left-hand corner of the screen. Table 3-3 lists and describes sample Field-Sensitive Help messages. Table 3-3 Field-Sensitive Help Messages Message “Press SPACE to toggle”...
  • Page 34 WORKING WITH LOCAL MANAGEMENT...

  • Page 35: Chapter 4 Device Setup Menu

    You can use applications from the Device Setup menu shown in Figure 4-1 to: • Set System Level parameters for the TRBMIM/TRBMIM-T (including the system date and time, IP and Subnet Mask addresses, Beacon Recovery, and Locally Administered MAC addresses).

  • Page 36: The System Level Screen

    System Date/System Time • IP Addresses • Subnet Masks • Locally Administered Station and FNB MAC Addresses • Beacon Recovery options TRBMIM CHASSIS LOCAL MANAGEMENT System Date: Station COM1 COM2 [CONSOLE ] Number of Retries (000-100, 999:infinite): Physical: Locally Administered:...

  • Page 37: Setting The System Date And System Time

    4.1.1 Setting The System Date And System Time Use the System Date field to set the internal clock for the TRBMIM/TRBMIM-T. Time To set the date: 1. Select the System Date 2. Type the date into the field in a Enter key.

  • Page 38: Setting The Station And Fnb Ip Addresses

    IP address from a BootP server on the network at power up when the TRBMIM/TRBMIM-T does not have an IP address. See the TRBMIM-T User’s Guide for more information about the IP Auto-Configuration feature.

  • Page 39: Setting Enable Beacon Recovery Fields

    • Use the default subnet mask setting that appears in the Subnet Mask field when the IP address is assigned to the TRBMIM/TRBMIM-T if you want stations within the same subnet as the TRBMIM/TRBMIM-T to receive SNMP trap messages. •...
  • Page 40 IEEE 802.5 Token Ring process begins. When the ABRP locates the problem and corrects it, the TRBMIM/TRBMIM-T generates traps to provide the network’s designated remote management station with information about the incident, including: •...
  • Page 41 ” message appears. SAVED OK Number of Retries You can use the Number of Retries the TRBMIM/TRBMIM-T will try to re-enable a disabled RI/RO port from which a beaconing condition was detected. The default value for the field is follows: 1-100...

  • Page 42: Specifying Locally Administered Mac Addresses

    The Physical Media Access Control (MAC) address for the Station port and the MAC address for the FNB port identifies the TRBMIM/TRBMIM-T at the physical layer of a Token Ring network. The Physical MAC address is a unique, factory-set address that is hard-coded to each device on the network.

  • Page 43: The Snmp Community Names Screen

    You can use the SNMP Community Names screen, shown in Figure 4-3, to assign Community Names, or passwords, that specify the degree of access to LM applications granted different user groups. TRBMIM BRIDGE LOCAL MANAGEMENT Component Name Intelligent MIM Intelligent MIM...

  • Page 44: Establishing Community Names

    DEVICE SETUP MENU Table 4-1 Community Name Access Privileges Application System Level Read all fields Read Read-Only SNMP Community Community Name Names only Read Destination IP SNMP Traps Addresses only Ring Security NO ACCESS Bridge Setup Read all fields LAN Net Manager Read all fields Chassis Status View Read all fields...

  • Page 45: Press Enter

    You can use the SNMP Traps screen, shown in Figure 4-4, to designate up to eight remote management stations to receive traps from the TRBMIM/TRBMIM-T. Traps provide messages about network events and device operational statistics. Refer to SPECTRUM or Remote LANVIEW documentation for a list of device-generated traps.

  • Page 46: Setting Snmp Traps

    To set and enable a trap: Select the Trap Destination 1. Enter the IP address of the station to receive traps from the TRBMIM/TRBMIM-T and then press the Enter key. The format for this entry is xxx.xxx.xxx.xxx 000-255 If the format is invalid, the “...

  • Page 47: The Ring Security Screen

    The Ring Security screen, shown in Figure 4-5, can act as the security monitor for the FNB ring and also the ring attached to the TRBMIM/TRBMIM-T bridge Station port. You can enter up to 255 MAC addresses of stations for each ring. The TRBMIM/TRBMIM-T retains the allowed stations list in NVRAM and automatically re-enables ring security whenever the TRBMIM/TRBMIM-T is powered up or reset.

  • Page 48: Specifying The Ring Interface

    It is the factory default setting. Use this mode to allow new stations to enter the ring. The TRBMIM/TRBMIM-T sends a “station added” trap to the NMS when a station inserts into the ring. The trap includes the new station’s MAC address so that the NMS can...
  • Page 49 Alarm/Remove Do not activate the ALARM/REMOVE security mode until after you have constructed an “allowed list” of MAC addresses. If the ALARM/REMOVE security mode is activated before an C AUT IO N “allowed list” of MAC addresses has been constructed, all network devices connected to the ring will be removed from the ring.

  • Page 50: Building The Allowed List Automatically

    DEVICE SETUP MENU 4.4.3 Building The Allowed List Automatically The TRBMIM can automatically add MAC addresses of stations inserted into the ring when the Ring Security screen is in the To build an allowed list automatically: 1. Set the Security Mode...

  • Page 51: Deleting Stations From The Allowed List

    4.4.5 Deleting Stations From The Allowed List To delete stations from the allowed list: 1. Set Security Mode mode. 2. Select the Stn Edit 3. Type the MAC address of the station you want to delete. The correct format for this entry is ranging from unwanted characters.

  • Page 52: The Bridge Setup Screen

    4.5 THE BRIDGE SETUP SCREEN You can use the Bridge Setup screen to configure Source-Route bridging parameters for both the FNB and Station ports on the TRBMIM/TRBMIM-T. Figure 4-6 shows Bridge Setup default settings. TRBMIM-T BRIDGE LOCAL MANAGEMENT BRIDGE ADMIN STATUS:...

  • Page 53: Assigning Ring Numbers

    You can also reboot the TRBMIM/TRBMIM-T using the Reset button on front-panel. See the TRBMIM-T User’s Guide included with the TRBMIM-T or the TRMM, TRBMIM, & TRMMIM Installation Guide included with the TRBMIM for information on using the Reset button on your bridge module. 4.5.2 Assigning Ring Numbers...

  • Page 54: Specifying Hop Count Limits

    All Routes Broadcast (ARB) and Single Route Broadcast (SRB) frames or only ARB frames received by the TRBMIM/TRBMIM-T Station and FNB ports. A hop count limit reduces unnecessary propagation of explorer frames through the network and thus conserves bandwidth.

  • Page 55: Enabling And Disabling Single Route Broadcasts

    • Learning – The port is preparing to relay frames, but is temporarily halted to prevent loops from occurring as bridges used in Spanning Tree make topology changes. The learning state is enabled so that the port can acquire topology information once the active topology has stabilized.

  • Page 56: Assigning A Bridge Number

    DEVICE SETUP MENU SRB – Toggle Field If the SINGLE ROUTE BROADCAST MODE means the Spanning Tree Protocol for the TRBMIM/TRBMIM-T is not activated, as indicated by the SINGLE ROUTE BROADCAST enable or disable transmission of SRB frames through either port. This allows you to manually setup bridge paths through the internetwork.

  • Page 57: Auto Or Manual )

    , and press the Enter key. SAVE The “ CONFIG SAVED OK – REBOOT FOR CHANGE(S) TO TAKE ” message appears. EFFECT TRBMIM BRIDGE LOCAL MANAGEMENT BRIDGE ADMIN STATUS: SPANNING TREE PROTOCOL: RING NUMBER (001-FFF) HOP COUNT LIMIT (1-7) SINGLE ROUTE BROADCAST...

  • Page 58: Assigning The Bridge Label

    You can use the BRIDGE PATH COST the TRBMIM/TRBMIM-T in a multi-bridged internetwork. It is used by the STP to assess the comparative cost of passing data through each bridge to the root bridge and to determine the root path cost. A bridge’s path cost is the sum of the cost associated with each of its ports.

  • Page 59: The Lan Net Manager Assignment Screen

    4.6 THE LAN NET MANAGER ASSIGNMENT SCREEN You can use the LAN Net Manager Assignment screen, shown in Figure 4-8, to set passwords that enable IBM’s LAN Net Manager software to access the TRBMIM/TRBMIM-T. TRBMIM BRIDGE LOCAL MANAGEMENT Link Password 0...

  • Page 60: Creating Passwords

    DEVICE SETUP MENU 4.6.1 Creating Passwords There are two ways to create passwords for the TRBMIM/TRBMIM-T: If a link is established between the TRBMIM/TRBMIM-T and the LAN Net Manager software, the password can be set via: • TRBMIM/TRBMIM-T LM •...

  • Page 61: Enabling Frame Forwarding

    4.6.2 Enabling Frame Forwarding You can use the field to enable or disable FRAME FORWARDING ACTIVE the TRBMIM/TRBMIM-T ability to forward frames through the bridge Station port. is the default setting for the field. ENABLED To enable or disable frame forwarding: 1.
  • Page 62 DEVICE SETUP MENU 4-28...

  • Page 63: Chapter 5 Device Status Menu

    MMAC. • Monitor components operating in the TRBMIM/TRBMIM-T. See the TRBMIM-T User’s Guide included with the TRBMIM-T and the TRMM, TRBMIM, & TRMMIM Installation Guide included with the TRBMIM for information on the modules’ management capabilities and how to configure the modules for management application and other operational settings referred to throughout this chapter.

  • Page 64: The Chassis Status View Screen

    DEVICE STATUS MENU 5.1 THE CHASSIS STATUS VIEW SCREEN The TRBMIM Device Statistics screen is available only when NOTE the TRBMIM/TRBMIM-T is operating in the Bridge/Management mode. To configure TRBMIM/TRBMIM-T FNB connections with other MIMs when it is in the Bridge-Only mode, use LM included with the Token Ring management module that is managing the ring in the MMAC.

  • Page 65: Module Name

    Figure 5-2 Chassis Status View Screen (Operational Mode) Ring Speed The Chassis Status View screen displays the current operating ring speed (4 or 16 Mbps) for each MIM under TRBMIM/TRBMIM-T management control in the MMAC. Port Number And Port Status A Port Number field indicates the number of the corresponding lobe port...

  • Page 66: Selecting A Screen Mode

    You can use FNB Connection fields to configure FNB backplane connections between the TRBMIM/TRBMIM-T and MIMs under TRBMIM/TRBMIM-T management control in the MMAC. You can use this field to configure single or multiple rings. FNB Connection field configuration indicators are described as follows: <--- |...

  • Page 67: Viewing Next/Previous Screens

    2. Press the Enter key. The screen you want appears. Use this screen mode (see Figure 5-4) to convert lobe ports under management control of the TRBMIM/TRBMIM-T to Ring Out ports, which support connections to passive Multi-Station Access Units (MSAUs). modes.

  • Page 68: Specifying Screen Update Intervals

    The interval you specified takes effect. 5.1.5 Using The Operational Mode Screen You can use the Operational mode screen (see Figure 5-2) to monitor the operational status of all MIM ports under TRBMIM/TRBMIM-T management control. Port Operational States Lobe ports configured for station applications can be in either one of the...

  • Page 69: Using The Administrative Mode Screen

    Establish a single ring or multiple rings in the MMAC by modifying FNB connection field settings. • Specify whether MIMs operate under management control of the TRBMIM/TRBMIM-T or under their default operational settings. TRBMIM CHASSIS LOCAL MANAGEMENT TR_24A TR_44A TRRF3T [|--->]...
  • Page 70 DEVICE STATUS MENU To selectively enable or disable a Station or RO port: 1. Select the Port Status field you want to set. The “ PRESS SPACE TO TOGGLE (SLOT X PORT X) appears. 2. Use the Spacebar to choose The “...
  • Page 71 Specifying The MIM Operational Mode You can use the MIM Operational Mode field at the bottom of each MIM-slot column to specify that the MIM operate either under TRBMIM/TRBMIM-T management, or its hardware configuration, or To specify the MIM operational mode: 1.

  • Page 72: Using The Ring Out Enable Mode Screen

    (SLOT X PORT X) SET TO RO/STN appears. THE COMPONENT STATUS VIEW SCREEN You can use the Component Status View screen (see Figure 5-5) to view operating system components active in the TRBMIM/TRBMIM-T. 5-10 mode screen (see Figure 5-4) to selectively Flash Image Version:...
  • Page 73 Each component can be assigned a Community Name (via NOTE SNMP Tools or through a MIB Tree utility included with a remote management application). TRBMIM CHASSIS LOCAL MANAGEMENT COMPONENT NAME Intelligent MIM Local Mgmt Protocol Stack SNMP Agent SR Bridge...
  • Page 74 DEVICE STATUS MENU 5-12...
  • Page 75 FNB ring and the ring interfacing with the Station-port. The Device Statistics screen is available only when the NOTE TRBMIM/TRBMIM-T is operating in Bridge/ Management mode. TRBMIM CHASSIS LOCAL MANAGEMENT INTERFACE: 1 (STN)

  • Page 76: Device Statistics Screen

    DEVICE STATISTICS SCREEN 6.1 SPECIFYING THE RING You can use the INTERFACE which you want to view statistics. The two interfaces are described as follows: • Interface 1 for the Station-port, or STN, ring • Interface 2 for the FNB ring To specify the interface: 1.

  • Page 77: Using The Accumulative Counter Mode

    6.2.1 Using The Accumulative Counter Mode To specify the beginning of a time period from which you want to view statistics: 1. Select the ACCUMULATIVE The fields Clear Date screen and CLEAR 2. Select , and then press the Enter key. CLEAR 6.3 SPECIFYING THE SCREEN UPDATE INTERVAL You can specify the interval in seconds between statistics updates when...

  • Page 78: Describing Statistical And Informational Fields

    (FNB or STN). Table 6-1 lists and describes fields in the general statistics category. Field Description Frames Displays the number of frames received by the Received TRBMIM/TRBMIM-T. KBytes Displays the sum in kilobytes of frames received by the Received TRBMIM/TRBMIM-T. Errors Displays the Isolating and Non-Isolating Errors (described in Received Section 6.4.2 and Section 6.4.4) detected on the ring.
  • Page 79 Field Description Displays the total line errors detected on the ring. Line Errors are corrupted frames that are detected by a node. This type of error normally occurs when stations enter and leave the Line Errors ring. It can also indicate a problem with the receiver of the reporting node, the transmitter of its Nearest Active Upstream Neighbor (NAUN), or the cabling and hub hardware between them.

  • Page 80: Ring Information

    DEVICE STATISTICS SCREEN 6.4.3 Ring Information Ring Information provides information about the status of the ring. Table 6-3 lists and describes fields in the Ring Information category. Field Description Active Monitor Displays the MAC address of the active monitor. Addr Displays the following Ring Status conditions: Ring Status Ring Number...

  • Page 81: Non-Isolating Errors

    6.4.4 Non-Isolating Errors Non-Isolating Errors are “soft error” conditions that could have been caused by any station on the ring. Their fault domain cannot be determined. Table 6-4 lists and describes Non-Isolating Errors. Field Description Displays the total number of Lost Frame Errors. These errors occur when the adapter fails to receive the end of the Lost Frame frame it has just transmitted.
  • Page 82 DEVICE STATISTICS SCREEN...

  • Page 83: Chapter 7 Bridge Statistics Screen

    BRIDGE STATISTICS SCREEN The Source Routing Bridge Statistics screen (see Figure 7-1) displays statistics for data traffic and activities on the FNB and STN ports. TRBMIM BRIDGE LOCAL MANAGEMENT SOURCE ROUTING BRIDGE STATISTICS (TOTAL) RING NUMBER FRAMES RECEIVED All Routes Broadcast:...

  • Page 84: Using The Accumulative Counter Mode

    BRIDGE STATISTICS SCREEN To specify a counter mode: 1. Select the Counter Mode field you want (available options are displayed at the bottom of the screen). 2. Press the Enter key. The mode you selected is indicated at the top the screen. 7.1.1 Using The Accumulative Counter Mode To specify the beginning of a time period from which you want to view statistics:...

  • Page 85: Describing Bridge Statistics

    7.3 DESCRIBING BRIDGE STATISTICS Table 7-1 lists and describes Bridge Statistics screen fields that provide information about activity on the bridge ports. Table 7-1 Source Route Bridge Statistics Fields Field Description Indicates the ring numbers assigned to the Station and FNB Ring Number bridge ports.
  • Page 86 BRIDGE STATISTICS SCREEN...

  • Page 87: Chapter 8 Snmp Tools Screen

    SNMP TOOLS SCREEN You can use the SNMP Tools screen, shown in Section 8-1, to access and perform SNMP operations on Management Information Base (MIB) objects supported by the TRBMIM/TRBMIM-T. You must have Super-User LM access privileges to fully use NOTE the SNMP Tools screen.

  • Page 88: Describing Snmp Tools Screen Fields

    Community Names and specific information on OIDs. OID Prepend Specifies a numerical prefix (OID string) for MIB variables supported by the TRBMIM/TRBMIM-T. (iso -> org-> dod-> internet). If necessary, modify this field to provide a prefix for lower levels of the MIB tree.
  • Page 89 Get, GetNext, or Set operation. Provides the numerical identifier (OID) of the variable. Displays the number of bytes needed to store the variable in the TRBMIM/TRBMIM-T’s flash EEPROM. Specifies the variable’s type (e.g., int = integer). Displays the value associated with that variable as read from the TRBMIM/TRBMIM-T.

  • Page 90: Specifying A Mib Community Name

    SNMP TOOLS SCREEN Step Used to step through the MIB one variable at a time. The screen then provides detailed information for each variable. Performing this procedure replaces the need to perform continuous GetNext operations to view the values of current MIB variables. Cycles Used to specify the number of GetNext operations needed and the time period (in seconds) between each operation after entering the initial...
  • Page 91 Press F9 to recall the last OID entered at the then use the keyboard to modify that OID. 3. Press the Enter key. If the variable is not supported by the TRBMIM/TRBMIM-T’s MIBs, the “ MIB_NO_INSTANCE displays information for that variable’s data type, length, and value.
  • Page 92 SNMP TOOLS SCREEN To set a MIB variable: 1. Select , and then press Enter (or press F7). <SET> OID (=|F9) 2. Type in the variable’s OID, or type the part of the OID following the prepend at the field, and then press Enter. If no instance of the variable exists, the “...

  • Page 93: Scrolling Through Mib Variables

    CYCLE SIZE TYP 4 Str 4 Str 4 Str 7 Str 7 Str SNMP TOOLS SCREEN GETNEXT operations operation. Note that WALK operation. DATA (HIT ANY KEY TO QUIT) TRBMIM TRBMIM TRBMIM Board 2 Board 2 ***MIB WALK...

  • Page 94: Using The Cycles Command

    SNMP TOOLS SCREEN 8.4.2 Using The Cycles Command To specify the number of 1. Select , and then press Enter. CYCLES 2. Type in the number of OID cycles to scroll through at the field, and then press Enter. CYCLE COUNT: 3.
  • Page 95 Addresses IP 4-4 Locally Administered MAC 4-8 physical MAC 4-8 subnet mask 4-4 All Routes Broadcast (ARB) frame applying hop count limits to 4-20 see also Bridge Setup screen Allowed stations security list adding individual stations 4-16 deleting individual stations 4-17 viewing the list of stations 4-17 Application Screen fields types 3-3...
  • Page 96 INDEX Chassis Status View screen Administrative screen mode 5-4 configuring FNB connections 5-8, enabling and disabling lobe ports 5-7 Flexible Network Bus (FNB) Connection field 5-4 Operational screen mode 5-4 Port Status field 5-3 Refresh 3sec field 5-6 Ring Out Enable screen mode 5-5 Ring Speed field 5-3 specifying the MIM Operational Mode 5-9...
  • Page 97 Enabled state of bridge port 4-21 Event-Confirmation messages 3-4 Field-Sensitive Help messages 3-5 Frames All Routes Broadcast (ARB) 4-20 analysis of traffic on network 6-7 Single Route Broadcast (SRB) 4-20 Spanning Tree Explorer (STE) 4-22 volume and activity on bridge port 7-3 Help, from Cabletron Systems Technical Support 1-2...
  • Page 98 INDEX MAC (Media Access Control) address 4-8 Main Menu, LM structure described 1-4 Management Information Base. see MIB Management terminal setup parameters 2-4 manual 1-2 accessing getting the next variable with the GetNext command 8-5 getting variables with the Get command 8-4 scrolling through variables with the Walk command 8-7...
  • Page 99 specifying in the Ring Security screen 4-14 Ring out ports, converted from lobe ports 5-10 Ring Security Security Mode (Alarm Only) 4-14 Security Mode (Alarm/Remove) 4-15 Security Mode (Disabled) 4-14 Ring Security screen Interface field 4-14 Security Mode field 4-14 Stn Edit field 4-16, 4-17 Ring status beaconing 6-6...
  • Page 100 INDEX Walk viewing MIB variables with 8-3 IX-6...

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