3Com ATMLINK 155 PCI User Manual
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3Com ATMLINK 155 PCI User Manual

3Com ATMLINK 155 PCI User Manual

Pci network interface cards
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ATML
N
®
U
A member of the 3Com family of ATMLink
network interface cards
Part No. 09-1038-000
Published February 1997
155 PCI
™
INK
I
ETWORK
NTERFACE
G
SER
UIDE
C
ARDS

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  • Page 1 ATML ® ETWORK A member of the 3Com family of ATMLink network interface cards Part No. 09-1038-000 Published February 1997 155 PCI ™ NTERFACE ARDS UIDE...
  • Page 2 file named LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you. Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

  • Page 3: Lifetime Warranty

    Fast EtherLink, and FDDILink network interface cards have a Lifetime Warranty. To ensure the very best 3Com service and support, take the time to complete the product registration card. Any defective 3Com adapter will be repaired or replaced, at 3Com’s option, for as long as the adapter resides in its original IBM®...
  • Page 4 Customers in other non-U.S. locations should send the registration card to the U.S. address on the front of the card. Asia 3Com Asia Ltd., Marketing Department Room 2506-07, 25/F. Citibank Tower Citibank Plaza, Central...

  • Page 5: Table Of Contents

    ONTENTS BOUT UIDE Introduction 1 How to Use This Guide 1 Conventions 2 NTRODUCTION Product Features 1-1 Emulated LAN (ELAN) Overview 1-3 Software Descriptions 1-4 Network Driver Description 1-4 Diagnostic Utility Description 1-5 ATMLink Utility Description 1-6 ARDWARE NSTALLATION Installation Overview 2-1 Installing the 3C975 ATMLink NIC 2-1 NT D INDOWS...
  • Page 6 Driver Installation Summary for Experienced Users 3-5 Before You Begin 3-5 Part One: NIC Detection, Resilient Server Links, and ELAN Allocation 3-6 Part Two: NIC and ELAN Configuration 3-7 Installing the Network Driver 3-8 NIC Detection, Resilient Server Links, and ELAN Allocation 3-8 NIC and ELAN Configuration 3-12 Verifying Driver Installation and Configuration 3-19 Enabling and Disabling ELANs 3-20...
  • Page 7 ATML TILITY Installing and Running the ATMLink Utility for Windows NT 5-1 ATMLink Utility Field Descriptions 5-2 ELAN Information 5-2 NIC Connection Statistics 5-4 NIC Information 5-5 Reset 5-6 Installing and Running the ATMLink Utility for Novell NetWare 5-7 ATMLink Utility Menu Options 5-9 NIC Information 5-9 VCC Statistics 5-10 ELAN Statistics 5-12...
  • Page 8 Environment A-2 RJ-45 Connector Pinouts A-3 ECHNICAL UPPORT Online Technical Services B-1 3Com Bulletin Board Service B-1 Access by Analog Modem B-1 Access by Digital Modem B-2 World Wide Web Site B-2 3ComForum on CompuServe B-3 3ComFacts Automated Fax Service B-3...
  • Page 9 3-12 Select OEM Option Window 3-21 3-13 NIC Installation Dialog Box 3-22 3-14 Total Number of ELANs Dialog Box 3-22 3-15 3Com ATMLink Installation Window Showing Additional ELANs 3-23 3-16 Selecting the SNMP LEC MIB Agent 3-25 4-1 Installation Options Screen 4-7...
  • Page 10 4-7 ELAN Configuration Screen 4-11 4-8 Configuring the TCP/IP Network Interface 4-13 4-9 Selecting the Card Number 4-14 4-10 Prompt to Add Additional LEC 4-18 4-11 Additional Driver Actions Screen (Adding an Additional ELAN) 4-18 4-12 Select a Driver Screen 4-19 4-13 Sample of AUTOEXEC.NCF File 4-23 5-1 ATMLink Utility Windows 5-2 5-2 ELAN Information Window 5-3...
  • Page 11 ABLES 1 Notice Icons 2 2 Text Conventions 2 3-1 3C975 ATMLink NIC Installation Configuration Parameters 3-13 4-1 3C975 ATMLink NIC NetWare Install Utility Configuration Parameters 4-11 4-2 NetWare Keywords 4-24 5-1 Windows NT ELAN Information Fields 5-3 5-2 Windows NT Connection Statistics Fields 5-4 5-3 Windows NT NIC Information Fields 5-6 5-4 NetWare NIC Information Fields 5-10 5-5 NetWare VCC Statistics Screen 5-11...

  • Page 12: About This Guide

    BOUT Introduction This user guide describes the installation and configuration ® of the 3Com 3C975-F and 3C975-UTP ATMLink network Interface cards (NICs). The intended audience is the network administrator, network operator, or network hardware installer. Knowledge of Asynchronous Transfer Mode ®...

  • Page 13: Conventions

    BOUT UIDE Conventions Table 1 and Table 2 list text and icon conventions that are used throughout this guide: Table 1 Notice Icons Icon Type Description Information Note Information notes call attention to important features or instructions. Caution Cautions alert you to personal safety risk, system damage, or loss of data.
  • Page 14 Table 2 Text Conventions (continued) Convention Description Text represented as This typeface is used to represent displays that appear on your terminal screen, for example: screen display NetLogin: Text represented as This typeface is used to represent commands that you enter, for example: commands SETDefault !0 -IP NETaddr = 0.0.0.0...

  • Page 15: Introduction

    155 PCI network interface card (NIC), hereafter called the 3C975 ATMLink NIC. Product Features The 3Com ATMLink 3C975 NIC is available in two models: the 3C975-F and the 3C975-UTP. The 3C975-F NIC has an SC duplex fiber-optic cable connector for double-strand 62.5/125 m multimode fiber-optic cable.
  • Page 16 1: I HAPTER NTRODUCTION Traffic shaping (user-defined maximum peak rate per ELAN) Interim Local Management Interface (ILMI) 3.0 service User-selectable virtual path identifier/virtual circuit identifier (VPI/VCI) range Simple Network Management Protocol (SNMP) agent for NICs operating under the Windows NT A T M A T M L I N K...

  • Page 17: Emulated Lan (Elan) Overview

    LAN (ELAN). In short, each physical ATMLink NIC can connect to up to 16 separate ELANs. The term ELAN is often used to denote an LEC in the 3Com ATMLink utilities, installation programs, and user guide. An ELAN is a logical grouping of end stations within an ATM network.

  • Page 18: Software Descriptions

    ATMLink utility (Windows NT and NetWare versions) Network drivers and utility programs are periodically updated and made available through 3Com online services. See Appendix B for details on how to use 3Com online services. Network Driver Description 3Com ATMLink network drivers support the following...

  • Page 19: Diagnostic Utility Description

    The diagnostic utility also identifies the MAC address, the PCI slot number, and manufacturer’s information for each installed 3Com ATMLink NIC. It is recommended that you run the diagnostic utility after installing the ATMLink NIC and before installing the network drivers.

  • Page 20: Atmlink Utility Description

    1: I HAPTER NTRODUCTION ATMLink Utility Description An ATMLink utility for Microsoft Windows NT and for Novell NetWare is shipped on the ATMDisk diskettes. Use the ATMLink utility to display configuration and operating status of all installed ATMLink NICs and ELANs, as well as to reset a NIC.

  • Page 21: Hardware Installation

    ARDWARE This chapter describes the procedure for installing the 3C975 ATMLink NIC in your PCI-bus computer system. Follow all applicable instructions included with your system documentation on PCI-bus installations. Installation Overview Hardware installation consists of the following major steps: Unpacking the 3C975 ATMLink NIC Installing the 3C975 ATMLink NIC in an available PCI slot Connecting the appropriate cables Please observe all special notes and precautions.

  • Page 22: Removing The Expansion Slot Cover

    2: H HAPTER ARDWARE NSTALLATION 3 Turn off the power to the computer system and any attached devices. 4 Unplug the power cables from the power supply. WARNING: Your computer operates with voltages that can be lethal. Before you remove the computer cover, carefully review the steps in this procedure and observe all cautions and warnings to protect yourself and to prevent damage to the computer.

  • Page 23: C975-F Atmlink Nic Installed In The Chassis

    Installing the 3C975 ATMLink NIC 8 Insert the 3C975 ATMLink NIC in the selected slot, as shown in Figure 2-2. Figure 2-2 3C975-F ATMLink NIC Installed in the Chassis 9 Write down the MAC address of the NIC and note which slot you used.

  • Page 24: Sc Duplex And Rj-45 Connectors

    2: H HAPTER ARDWARE NSTALLATION 13 Connect the power cables and turn on the power to the computer. 14 Connect the 3C975 ATMLink NIC to the network. The 3C975-F NIC uses 62.5/125 m multimode fiber-optic cable with SC duplex connectors. The 3C975-UTP NIC uses Category 5 unshielded twisted-pair cable with an RJ-45 connector.

  • Page 25: Windows Nt Driver Installation

    ATM parameters for all active NICs and ELANs as well as configuration information for standby NICs. There can be up to four 3Com 3C975 ATMLink NICs installed in a single computer system, with each NIC supporting up to 16 ELANs.

  • Page 26: Driver Installation Requirements

    INDOWS RIVER Driver Installation Requirements Please confirm that the following requirements are met before you install and configure the 3Com ATMLink NIC Windows NT network driver. Hardware Requirements Computer with Intel®-based CPU and bus master PCI bus, running Microsoft Windows NT version 3.51 or 4.x 3.5-inch floppy disk drive...

  • Page 27: Driver Installation Requirements

    The closest integral multiple of 8 greater than 76 is 80. Software Requirements ATMDisk diskette for Windows NT 3Com strongly recommends that your Windows NT operating system be updated with the most recent service packs available from Microsoft technical support (www.microsoft.com).

  • Page 28: Nic Information Requirements

    Resilient server links add redundant function to your server to protect against network disruption and data loss. To use resilient links, you must install two or more 3Com ATMLink NICs in your system. During the network driver configuration procedure, at least one NIC must be designated an active NIC.

  • Page 29: Driver Installation Summary For Experienced Users

    Driver Installation Summary for Experienced Users In a two-NIC scenario, when NIC 1 is active and NIC 2 is standby, and if the link on the NIC 1 port fails, NIC 2 assumes the configuration profile of NIC 1 and becomes the active NIC. NIC 1 now becomes a standby NIC for NIC 2.

  • Page 30: Part One: Nic Detection, Resilient Server Links, And Elan Allocation

    If you select Active, the Total Number of ELANs dialog box appears. 4 Enter the number of ELANs to be supported by the identified NIC. If more than one 3Com ATMLink NIC is installed, the installation program returns to step 2 and the NIC Installation dialog box. NSTALLATION...

  • Page 31: Part Two: Nic And Elan Configuration

    NIC parameters (these are the same for all NICs in the system): VPI/VCI Range Signaling Version 2 For each installed 3Com ATMLink NIC, set the following local NIC parameters (these can vary with each NIC in the system): LAN Type ILMI VPI/VCI...

  • Page 32: Installing The Network Driver

    3: W NT D HAPTER INDOWS RIVER You have completed the ATMLink Windows NT network driver installation. The remaining sections of this chapter provide a more detailed approach to installing the ATMLink NIC network driver with Windows NT. Installing the Network Driver The following driver installation procedure is standard to Windows NT 3.51.

  • Page 33: Network Settings Window

    Installing the Network Driver Figure 3-1 Network Settings Window Figure 3-2 Add Network Adapter Figure 3-3 Insert Disk Dialog Box...

  • Page 34: Nic Installation Dialog Box

    The installation program copies the network driver, ATM utility, ATM diagnostic utility, and SNMP agent files to the system hard disk and then detects all installed 3Com ATMLink NICs in the system. The dialog box shown in Figure 3-5 appears.

  • Page 35: Total Number Of Elans Dialog Box

    11 Click Yes if you want the 3Com driver installed on the indicated NIC. Otherwise, click No. If you click Yes, the NIC Mode dialog box appears, as shown in Figure 3-6. If you click No, the NIC Installation dialog box reappears for the next discovered ATMLink NIC.

  • Page 36: Nic And Elan Configuration

    MAC address of the physical NIC. When you have completed resilient server link and ELAN assignments for each discovered NIC, the 3Com ATMLink Installation window appears, as shown in Figure 3-8 in the next section.

  • Page 37: C975 Atmlink Nic Installation Configuration Parameters

    Table 3-1 describes the fields and buttons in the ATMLink Installation and ELAN Configuration windows. Default values are shown in bold. Table 3-1 3C975 ATMLink NIC Installation Configuration Parameters Range of Values Field (Defaults in Bold) ATMLink NIC All ATMLink NICs with installed drivers by PCI slot, bus number, and MAC address (after...
  • Page 38 3-14 3: W NT D HAPTER INDOWS RIVER Table 3-1 3C975 ATMLink NIC Installation Configuration Parameters (continued) Range of Values Field (Defaults in Bold) ELAN Parameters (specific to each ELAN) ELAN Name 0- to 32-character ASCII string Traffic Shaping 1–155 Mbps LE Configuration Automatic using Mode...
  • Page 39 Installing the Network Driver 3 Change the global NIC parameters if necessary. Global parameters values are the same for every NIC in the computer system. a Select a VPI/VCI range. Select the VPI/VCI range that matches the VPI/VCI range set on the ATM switch by the ATM network administrator. The default is 0 bits VPI, 12 bits VCI.

  • Page 40: Elan Configuration Window

    3-16 3: W NT D HAPTER INDOWS RIVER 5 Select an ELAN name and then click Configure ELAN. The ELAN Configuration window appears, as shown in Figure 3-9. Figure 3-9 ELAN Configuration Window a Enter the ELAN name. The ELAN names should match the ELAN names configured on the ATM switch, LECS, or LES.

  • Page 41: Tcp/Ip Configuration Window With Sample Entries

    Save & Exit button in the 3Com ATMLink Installation window. Clicking Cancel erases all entries and edits in both windows. 7 Click Save & Exit to exit the 3Com ATMLink Installation window. 8 Click OK in the Network Settings window.
  • Page 42 3-18 3: W NT D HAPTER INDOWS RIVER 9 Edit the TCP/IP parameters. All ELANs and standby NICs using TCP/IP require a unique IP address and subnet mask. Enter dummy values for the standby NICs. Contact your network administrator for appropriate IP addresses and subnet masks.

  • Page 43: Verifying Driver Installation And Configuration

    12 Select Restart Now to restart the Windows NT system. This completes the installation and configuration of the 3Com ATMLink Windows NT network driver. Verifying Driver Installation and Configuration Perform the following procedures to verify that the driver is...

  • Page 44: Enabling And Disabling Elans

    INDOWS RIVER Enabling and Disabling ELANs To disable an ELAN, click the ELAN name in the 3Com ATMLink Installation window (Figure 3-15), and then click Disable ELAN. This action disables the protocol bindings of the ELAN. The button name then changes to Enable ELAN.

  • Page 45: Adding Elans

    2 Perform steps 1 through 9 of the Windows NT driver installation procedure, as described in the section “Installing the Network Driver.” 3 In the Select OEM Option window, select 3Com ATMLink PCI NIC ELAN Instance, as shown in Figure 3-12. Figure 3-12 Select OEM Option Window...

  • Page 46: Total Number Of Elans Dialog Box

    NT D HAPTER INDOWS RIVER The installation program finds all installed 3Com ATMLink NICs. A dialog box appears for the first NIC discovered, as shown in Figure 3-13. Figure 3-13 NIC Installation Dialog Box 4 If you want to add ELANs to the NIC identified in the dialog box, click Yes;...

  • Page 47: Elans

    The preexisting ELANs retain all of their configuration information. The new ELANs appear in the ELAN portion of the 3Com ATMLink Installation window, as shown in Figure 3-15. Figure 3-15 3Com ATMLink Installation Window Showing Additional ELANs 6 Configure the new ELANs, and then click Save & Exit.

  • Page 48: Adding Snmp Support

    1 Perform steps 1 through 9 of the Windows NT driver installation procedure described in the section “Installing the Network Driver.” 2 From the Select OEM Option dialog box, select 3Com ATMLink SNMP LEC MIB Agent, as shown in Figure 3-16. NSTALLATION...

  • Page 49: Selecting The Snmp Lec Mib Agent

    Figure 3-16 Selecting the SNMP LEC MIB Agent 3 Click OK. The SNMP agent files are copied to the system hard disk. 4 Click OK in the Network Settings window. 5 Restart Windows NT. Adding SNMP Support 3-25...

  • Page 50: Net Ware Server Driver Installation

    README.TXT files on the ATMDisk diskette differs from the information in this guide, follow the release notes or README.TXT files. Driver Installation Overview Installation of the 3Com ATMLink NIC NetWare driver is divided into three parts: Confirming that the driver installation requirements have been met...
  • Page 51 4: N HAPTER ERVER RIVER NSTALLATION Copying the driver from the ATMDisk diskette to the hard drive of the server is a standard NetWare driver installation operation, performed manually or by using the standard NetWare install utility. This guide documents the use of the NetWare install utility.

  • Page 52: Driver Installation Requirements

    File server with a PCI bus running Novell NetWare version 3.12 or 4.x 3.5-inch floppy disk drive At least one 3Com ATMLink NIC installed in the system Memory Requirements 64 MB of system memory recommended for each installed ATMLink NIC...

  • Page 53: Resilient Server Links Overview

    Resilient server links add redundant function to your server to protect against network disruption and data loss. To use resilient links, you must install two or more 3Com ATMLink NICs in your system. During the network driver configuration procedure, at least one NIC must be designated as an active NIC, and one a standby.

  • Page 54: Implementing Resilient Server Links In Netware

    Resilient Server Links Overview A NIC cannot be configured as a standby NIC for another standby NIC. A resilient server link is established only if the active NIC is loaded before the standby NIC and is operational after NetWare is booted. The standby NIC cannot assume the configuration profile of an active NIC that has never been operational.

  • Page 55: Loading The Server Driver

    NetWare version 4.11, the install utility user interface differs slightly from that shown in this user guide. Before You Begin Perform the following operations before loading the ATMLink NetWare drivers: Load the NLMs provided by 3Com on the ATMDisk diskette: NBI.NLM MSM.NLM ETHERTSM.NLM TOKENTSM.NLM The NLMs for NetWare version 3.12 are also on the...

  • Page 56: Driver Installation Procedure

    STARTUP.NCF file, add that number to the number calculated for the ATMLink NICs. Driver Installation Procedure Perform the following steps to install the 3Com 3C975 ATMLink NIC driver on a NetWare 4.x file server: 1 With NetWare 4.x installed and the server up and running,...

  • Page 57: Driver Options Screen

    4: N HAPTER ERVER 2 Select Driver options. The Driver Options screen appears, as shown in Figure 4-2. 3 Select Configure network drivers. The Additional Driver Actions screen appears, as shown in Figure 4-3. Figure 4-2 Driver Options Screen Figure 4-3 Additional Driver Actions Screen RIVER NSTALLATION...

  • Page 58: Notes For Selecting A Drive Screen

    4 Choose Select a driver. The Select a Driver screen appears, as shown in Figure 4-4. If this is the first installation of the 3C975 NIC driver, it will not appear in the above list. 5 Press the [Insert] key to install a driver from the floppy disk drive.

  • Page 59: Select A Driver To Install Screen

    The Select a Driver to Install screen appears, as shown in Figure 4-6. Figure 4-6 Select a Driver to Install Screen 8 Press [Enter] to select the 3Com 3C975 ATMLink driver. 9 Select Yes when you are prompted to confirm the name of the driver to copy.

  • Page 60: Configuring Lecs And Resilient Server Links

    After the driver files are copied to the server, the ELAN Configuration screen appears, as shown in Figure 4-7. Figure 4-7 ELAN Configuration Screen Table 4-1 lists the configuration parameters of the 3Com ATMLink NIC, the range of values, and parameter descriptions. Default values are shown in bold.
  • Page 61 4-12 4: N HAPTER ERVER Table 4-1 3C975 ATMLink NIC NetWare Install Utility Configuration Parameters (cont’d) Range of Values Parameter (Defaults in Bold) Maximum Frame Size 1514 4542 9232 Rate 1–155 LEC Configuration Automatic Mode Manual LECS Network Prefix ATM Forum Well-known Address (not shown) 00A03E00000100...

  • Page 62: Configuring The Tcp/Ip Network Interface

    Configuring LECs and Resilient Server Links To configure LECs using the NetWare install program, perform the following procedure: 1 Select Select/Modify driver parameters and protocols at the bottom of the ELAN Configuration screen, as shown in Figure 4-7. The highlight bar moves to the TCP/IP option in the Protocols box.

  • Page 63: Selecting The Card Number

    4-14 4: N HAPTER ERVER 4 Press [F3] to set the frame type. Use the arrow keys to select a new frame type, if necessary. The default frame type is 802.2. If you are configuring a token ring LEC, change the frame type to Token Ring or Token Ring SNAP as appropriate.
  • Page 64 6 Enter the ELAN name. In most cases, the ELAN name should match a preconfigured name on the ATM switch, such as the 3Com CELLplex switch. Other manufacturers may have different requirements. Refer to your ATM switch documentation for details concerning ELAN naming.
  • Page 65 4-16 4: N HAPTER ERVER 10 Select the LEC configuration mode. Select Automatic to contact the default LAN Emulation Configuration Server (LECS) through the Interim Local Management Interface (ILMI). Select Manual if you wish to contact a different LECS or bypass the LECS and connect directly to a LAN emulation server (LES).
  • Page 66 Configuring LECs and Resilient Server Links 14 Enter the LES user part if you selected Manual for the LEC Configuration Mode. This is the 7-byte hexadecimal (14-character) user part of the target LES address. Enter the address without delimiters. For example: 0E4A2C27456200 15 Select the VPI/VCI range.

  • Page 67: Prompt To Add Additional Lec

    4-18 4: N HAPTER ERVER RIVER NSTALLATION Figure 4-10 Prompt to Add Additional LEC 21 Do one of the following: Select No to complete and exit the configuration procedure. Select Yes to create and configure an additional LEC. The Additional Driver Actions screen appears, as shown in Figure 4-11.

  • Page 68: Select A Driver Screen

    Configuring LECs and Resilient Server Links The screen shown in Figure 4-11 is the same screen shown in Figure 4-3, except that the newly installed LEC instance is displayed. Each LEC instance requires configuration of the same 3C975.LAN driver. 22 Choose Select an additional driver from the Additional Driver Actions box and press [Enter].

  • Page 69: Netware Card Numbers And Multiple Physical Nics

    4-20 4: N HAPTER ERVER RIVER NSTALLATION NetWare Card Numbers and Multiple Physical NICs To connect a cable from the ATMLink NIC to the appropriate port on the ATM switch, you must know which physical NIC corresponds to a given NetWare card number. All ATMLink LEC configurations include a card number that NetWare must correlate to a physical ATMLink NIC.

  • Page 70: Verifying Driver Installation And Configuration

    Verifying Driver Installation and Configuration with card number 2, and the fourth ATMLink NIC found is recognized as a standby NIC. The first ATMLink NIC to flash during server initialization is card number 1, the next to flash is card number 3, and the last to flash is card number 2. The LEDs of standby NICs do not light up unless they become active NICs.

  • Page 71: Editing The Autoexec.ncf File

    All 3Com-supplied NLMs are loaded before the network drivers are loaded. There are two 3Com ATMLink NICs installed in the system, Card 1 and Card 2. Card 1 is configured with two LECs. Card 2 is configured as a standby NIC of Card 1.

  • Page 72: Sample Of Autoexec.ncf File

    Editing the AUTOEXEC.NCF File 4-23 Each LEC requires a separate load and bind command. ;LOAD NLMs AVAILABLE FROM THE 3COM ATMDISK load nbi.nlm load msm.nlm load ethertsm.nlm load tokentsm.nlm ;**** NETWARE ELAN CONFIGURATION EXAMPLE **** load 3c975.lan cardnum=1 frame=ethernet_802.2 linktype=1 channel=1 name=atm_1 elan=elan3372_1 load 3c975.lan cardnum=1...

  • Page 73: Netware Keywords

    4-24 4: N HAPTER ERVER Do not use the bind command for a standby NIC, or else NetWare will make it an active NIC. Always load an active NIC before its standby NIC. Table 4-2 describes the NetWare keywords to use when editing the AUTOEXEC.NCF file.
  • Page 74 Table 4-2 NetWare Keywords (cont’d) Range of Values Keyword (Default in Bold) lec_config_mode 1, 2 (LEC configuration mode) lecs_np Default is 13-byte (LECS network prefix) network portion of ATM Forum Well-known Address. lecs_up 00a03e00000100 (LECS user part) is default les _np 26-character ASCII (LES network prefix) string...

  • Page 75: Removing An Lec From Netware

    4-26 4: N HAPTER ERVER Removing an LEC from NetWare To remove an LEC from the AUTOEXEC.NCF file, follow these steps: 1 From the system prompt, enter the command: load install The Installation Options screen shown in Figure 4-1 appears. 2 Select NCF files options.

  • Page 76: Atml Ink Tility

    ATML This chapter describes the Windows NT and Novell NetWare versions of the 3Com ATMLink utility. The ATMLink utility reads and displays read-only ELAN connection statistics and NIC configuration parameters. Active connection statistics are updated every 5 seconds. The utility can also reset the network driver of individual NICs.

  • Page 77: Atmlink Utility Field Descriptions

    5: ATML HAPTER TILITY Figure 5-1 ATMLink Utility Windows ATMLink Utility Field Descriptions The ATMLink utility displays information for correctly installed ATMLink NICs and LAN emulation clients (LECs). ELAN Information To view ELAN information, click the name of the ELAN on the directory tree in the left portion of the window, as shown in Figure 5-2.

  • Page 78: Elan Information Window

    Figure 5-2 ELAN Information Window Table 5-1 explains the Windows NT ELAN information fields. Table 5-1 Windows NT ELAN Information Fields Field Description ELAN Name Name of the ELAN, as configured by the user or supplied by the LES MAC Address MAC address of the selected ELAN (as an increment of the NIC base MAC address) Configure Mode...

  • Page 79: Nic Connection Statistics

    5: ATML HAPTER TILITY NIC Connection Statistics To view NIC connection statistics, click the name of the NIC on the directory tree in the left portion of the window, and then click the Connections Stats tab in the right portion of the window, as shown in Figure 5-3.

  • Page 80: Nic Information Window

    Table 5-2 Windows NT Connection Statistics Fields (continued) Field Displayed Value RxBytes/sec Average number of bytes received per second over a 5-second sampling interval TxBytes/sec Average number of bytes transmitted per second, over a 5-second sampling interval RxCells Cumulative total of ATM cells received since initialization of the utility TxCells Cumulative total of ATM cells transmitted since initialization of the utility RxCells/sec...

  • Page 81: Reset

    5: ATML HAPTER TILITY The bus number, slot number, and IRQ values are set by the system BIOS. The maximum number of VCCs is preset by the network driver. All other values are set by using the ATMLink install utility. See Chapter 3 for more information on configuring and reconfiguring NICs and ELANs.

  • Page 82: Installing And Running The Atmlink Utility For Novell Netware

    Installing and Running the ATMLink Utility for Novell NetWare Use the Reset option if the NIC appears to be unresponsive. To access the Reset option, select Reset from the Control menu, as shown in Figure 5-5. Figure 5-5 Reset Option for Windows NT Installing and Running the ATMLink Utility for Novell NetWare The ATMLink utility is shipped as the 3C975UTL.NLM file in the...

  • Page 83: Netware Atm Utility Select A Nic Screen

    5: ATML HAPTER TILITY The ATMLink Utility Select a NIC screen appears, as shown in Figure 5-6. Figure 5-6 NetWare ATM Utility Select a NIC Screen 3 Use the arrow keys to select an installed ATMLink NIC, and then press [Enter]. The NIC number shown in Figure 5-6 is the NetWare card number.

  • Page 84: Atmlink Utility Menu Options

    ATMLink Utility Menu Options Use the arrow keys to select from the following options: NIC Information VCC Statistics ELAN Statistics Reset NIC Quit Press [Enter] to display the selected information. NIC Information The NIC Information screen, as shown in Figure 5-8, displays the configuration parameters of the selected physical NIC.

  • Page 85: Vcc Statistics

    5-10 5: ATML HAPTER TILITY Table 5-4 lists the range of values that can be displayed on the NIC Information screen. Table 5-4 NetWare NIC Information Fields Field Displayed Value Bus Number Number of the PCI bus on which the selected NIC is installed Slot Number Number of the PCI slot into which the selected NIC is inserted Interrupt request level assigned to the selected NIC by the...

  • Page 86: Vcc Statistics Screen

    Figure 5-9 VCC Statistics Screen Table 5-5 describes the NetWare VCC statistics fields. Table 5-5 NetWare VCC Statistics Screen Field Description Numeric virtual circuit identifier of the indicated virtual circuit Numeric virtual path identifier of the indicated virtual circuit VCC Type Indicates the type of virtual channel connection used by the ATMLink LEC PVC P2P CTRL—permanent virtual circuit, point to point, control PVC P2P DATA—permanent virtual circuit, point to point, data...

  • Page 87: Elan Statistics

    5-12 5: ATML HAPTER TILITY ELAN Statistics When you select the ELAN Statistics option from the main menu, the ATMLink utility displays two screens, the Currently Configured LECs screen, as shown in Figure 5-10, and the LEC Statistics screen, as shown in Figure 5-11. The Currently Configured LECs screen displays the ELAN names of all LECs configured on the selected NIC.

  • Page 88: Reset Nic

    The LEC Statistics screen displays configuration information and the operational status of the selected ELAN. Check the State field of the LEC Statistics screen to verify that an LEC has successfully joined an ELAN. Table 5-6 describes the fields displayed in the LEC Statistics screen.

  • Page 89: Diagnostics And Troubleshooting

    Detects and reports the PCI-bus slot number, interrupt request level, base MAC address, and other configuration data of all installed 3Com ATMLink physical NICs Tests the operation of the 3C975 ATMLink NIC on-board circuitry Displays EEPROM-based device information for each...

  • Page 90: When To Use The Diagnostic Utility

    HAPTER IAGNOSTICS AND ROUBLESHOOTING When to Use the Diagnostic Utility 3Com suggests that you run the diagnostic utility immediately after installing the 3C975 ATMLink NIC, and before installing the network drivers. Use the diagnostic utility in the following cases: To verify that the hardware works before the network drivers...

  • Page 91: How To Use The Diagnostic Utility

    How to Use the Diagnostic Utility The diagnostic utility is a DOS program. It can be run directly from the ATMDisk diskette or copied, with its help file, to the system hard drive and run from a directory of your choice. The diagnostic utility must be run from DOS with no network drivers loaded.

  • Page 92: Navigating Within The Diagnostic Utility

    6: D HAPTER IAGNOSTICS AND The diagnostic utility main screen appears, as shown in Figure 6-1. Figure 6-1 Diagnostic Utility Main Screen Navigating Within the Diagnostic Utility Use a mouse (if a mouse driver is loaded) or the keyboard to access the diagnostic utility’s character-based interface.

  • Page 93: Running The Internal Tests

    External test disabled, and 10 repetitions per test). To run all the internal tests, perform the following procedure: 1 Physically disconnect the 3Com ATMLink NICs from the network. 2 From the Select menu item on the main screen, select the NIC to be tested.

  • Page 94: Run Tests Screen

    6: D HAPTER IAGNOSTICS AND 4 Verify that all the internal tests are enabled. If they are not, click the Enable All button to set all internal tests to Enabled. 5 In the Test Select box, select Ext Loopback Test and verify that the External Loopback Test is disabled.

  • Page 95: Running The External Loopback Test

    To run the external loopback test only, perform the following procedure: 1 Insert the loopback plug into the 3Com ATMLink NIC. 2 From the Select menu on the diagnostic utility main screen, select the 3C975 ATMLink NIC to be tested.

  • Page 96: External Loopback Test Screen

    6: D HAPTER IAGNOSTICS AND Figure 6-4 External Loopback Test Screen 6 Verify that the External Loopback Test is enabled. If the External Loopback Test is disabled, click Enable All. 7 Click OK. The main screen shown in Figure 6-1 reappears. 8 From the Test menu, select Run Tests.

  • Page 97: Viewing Test Results

    9 Click Start to run the External Loopback Test. The test runs ten times by default. If you want to change the number of test repetitions, click Test Setup. 10 If the test fails, go to the section “What to Do If a Test Fails” later in this chapter.

  • Page 98: Nic Statistics Screen

    6-10 6: D HAPTER IAGNOSTICS AND NIC Statistics Internal and external test results are also reported in the form of NIC statistics. To view the NIC Statistics screen, shown in Figure 6-7, click Stats on the Run Tests screen. Figure 6-7 NIC Statistics Screen Individual Test Information To run a test continuously, disable the Halt on Error option.

  • Page 99: Changing The Test Setup

    Figure 6-8 Test Information Screen Changing the Test Setup In rare cases, such as intermittent faults, you may wish to change the default values of the diagnostic utility. Otherwise, no changes to defaults are necessary in order to detect the most common error conditions.

  • Page 100: Changing The Number Of Repetitions

    6-12 6: D HAPTER IAGNOSTICS AND Changing the Number of Repetitions All tests are set by default to run 10 times and to halt when an error occurs. To change the number of repetitions, enter a new value in the Times field of the Repetitions box of the Test Setup screen (Figure 6-2).
  • Page 101 File Options 6-13 3Com 3C975 NIC Diagnostic Program Test Results Report Diagnostic tests started at: 10/4/96, 16:29:34 System Information: ------------------- Processor Type 80X86 Processor Mode 16-bit Real Mode Processor Speed 87MHz DMA Services Available: NO EMS Memory Manager Present: NO...

  • Page 102: Sample Of Diagnostic Test Report File

    6-14 6: D HAPTER IAGNOSTICS AND SRAM Data Test : Total Repetitions Completed : 10 Repetitions Passed : 10 Repetitions Failed : 0 Internal Loopback Test : Total Repetitions Completed : 10 Repetitions Passed : 10 Repetitions Failed : 0 Interrupt Test : Total Repetitions Completed : 10 Repetitions Passed : 10...
  • Page 103 If the tests pass, the other PCI NICs may be causing contention. 3Com recommends that you always run the most current version of the system BIOS. Firmware upgrades are often available online from the manufacturer of your computer system.

  • Page 104: Constructing Loopback Plugs

    6-16 6: D HAPTER IAGNOSTICS AND Constructing Loopback Plugs To run the external loopback test, you must first insert a loopback plug into the cable connectors of the 3C975 ATMLink NIC. The following instructions describe how to construct a loopback plug for the 3C975-F and the 3C975-UTP ATMLink NICs.

  • Page 105: Clipping Together The Ends Of The Same Fiber Strand

    Constructing Loopback Plugs Figure 6-10 Unclipping the Connectors of a Double-Strand Fiber-Optic Cable Figure 6-11 Clipping Together the Ends of the Same Fiber Strand 6-17 A T M SC connector port L I N K...

  • Page 106: Rj-45 Loopback Plug

    6-18 6: D HAPTER IAGNOSTICS AND RJ-45 Loopback Plug To construct an external loopback plug for use in testing the unshielded twisted-pair version of the ATMLink PCI NIC (3C975-UTP), use an RJ-45 unshielded male connector. Wire the loopback plug so that the transmit output of the NIC (connector pins 1 and 2) is directly wired to the NIC’s receive input (connector pins 7 and 8, respectively), as shown in Figure 6-12.

  • Page 107: Link Led

    Link LED The state of the Link LED indicates the ATMLink NIC operating status. Table 6-3 explains the possible LED states. Table 6-3 LED Activity LED State Explanation Slow blinking The operating system is loading the drivers and activating the NIC. A diagnostic test is being run.

  • Page 108: Hardware

    PECIFICATIONS Hardware Memory Bus interface PCI master PCI slave Interrupts Board dimensions Power requirements 16 Kb serial EEPROM 128 KB SRAM 315 Cells on chip buffer PCI Local Bus Specification, Revision 2.0 PCI Compliance Checklist 32-bit zero wait state master 32-bit bus Supports up to 13 dword bursts Supports bus master...

  • Page 109: Network Connections

    A: S PPENDIX PECIFICATIONS Network Connections SC duplex RJ-45 Standards Compliance ATM layer ATM adaptation layer LAN emulation ATM signaling Environment Operating temperature 0 to 60 ˚C Storage temperature Operating relative humidity Storage humidity Multimode fiber (62.5/125 m) Maximum cable length: 2 km Category 5 UTP cable 100 m Maximum cable length: 100 m ANSI T1S1/92-002R3, ITU 1.361,...

  • Page 110: A-1 Rj-45 Connector Pinouts

    RJ-45 Connector Pinouts Table A-1 lists the pin assignments for the RJ-45 connector. Table A-1 RJ-45 Connector Pinouts Pin Number ATMLink NIC Transmit + Transmit – Not used Not used Not used Not used Receive + Receive – RJ-45 Connector Pinouts ATM Switch Receive + Receive –...

  • Page 111: B Technical Support

    3Com Bulletin Board Service 3ComBBS contains patches, software, and drivers for all 3Com products, as well as technical articles. This service is available via modem or ISDN, 24 hours a day, 7 days a week. Access by Analog Modem To reach the service by modem, set your modem to 8 data bits, no parity, and 1 stop bit.

  • Page 112: Access By Digital Modem

    Corporation’s World Wide Web site by entering our URL into your Internet browser: http://www.3Com.com/ This service features news and information about 3Com products, customer service and support, 3Com Corporation’s latest news releases, selected articles from 3TECH Corporation’s award-winning technical journal) and more.

  • Page 113: 3Comforum On Compuserve

    3ComFacts Automated Fax Service 3Com Corporation’s interactive fax service, 3ComFacts, provides data sheets, technical articles, diagrams, and troubleshooting instructions on 3Com products 24 hours a day, 7 days a week. Call 3ComFacts using your touch-tone telephone. International access numbers are:...

  • Page 114: Support From Your Network Supplier

    A list of system hardware and software, including revision levels Details about recent configuration changes, if applicable If you are outside the U.S.A. and Canada, contact your local 3Com sales office to find your authorized service provider. Use one of these numbers: Country...

  • Page 115: Returning Products For Repair

    Returning Products for Repair A product sent directly to 3Com for repair must first be assigned a Return Materials Authorization (RMA) number. Products sent to 3Com without RMA numbers will be returned to the sender unopened, at the sender’s expense.

  • Page 116: Glossary

    LOSSARY ATM Adaptation Layer. Translates packets of data to 53-byte cells for transmission on the network. The layers are defined to provide different classes of service for ATM connections, and to provide a method of mapping data from a particular class of service into ATM cells in such a way that the data can be remapped into its original format at the other end of an ATM network.
  • Page 117 LOSSARY Cell The basic data unit used to transmit information through an ATM network. The cell is 53 bytes in length and supports high-speed packet switching techniques. End station A machine that is connected to a network and is intended to run user application programs.

  • Page 118: Multi Mode

    LAN Emulation Client. Typically located in an ATM end station, its task is to maintain address resolution tables and to forward data traffic. Each LEC is associated with a unique ATM address. LECS LAN Emulation Configuration Server. A server whose main function is to provide configuration information to an LEC (such as the ELAN it belongs to or its LES).

  • Page 119: Point-To-Point

    LOSSARY Management Information Base. A definition of management items for some network component that can be accessed by network management software. A MIB includes the names of objects it contains and the type of information retained. Node A device connected to the network media, usually with an adapter card.
  • Page 120 SONET Synchronous Optical Network. A growing body of standards that defines all aspects of transmitting and managing digital traffic over optical (fiber) facilities. STS-3c Synchronous Transport Signal, Level 3 Concatenated. Switched Virtual Circuit. Circuit that creates a dynamic connection between two network nodes. SVCs are created “on demand”...
  • Page 121 LOSSARY Virtual Path Identifier. A 1-byte field in an ATM cell header that, when combined with the VCI (Virtual Circuit Identifier), makes up an ATM address. Well-known Address The default 20-byte ATM address of the LECS in LAN emulation suggested by the ATM Forum, expressed in hexadecimal notation as: 47:00:79:00:00:00:00:00:00:00:00:00:00:00:A0:3E:00:00:01:00...

  • Page 122: Index

    NDEX Numerics 3C975 NIC hardware and software features 1-1 3C975.RPT file 6-12 3C975.TST file 6-12 3Com Bulletin Board Service (3ComBBS) B-1 3Com sales offices B-4 3Com URL B-2 3ComFacts B-3 3ComForum B-3 accessing DOS 6-3 active NIC 3-4, 4-4 adding ELANs 3-21...
  • Page 123 NDEX driver installation (cont’d) Windows NT overview 3-1 requirements 3-8 step-by-step procedure 3-8 summary 3-5 verifying 3-19 driver removal NetWare 4-26 Windows NT 3-20 ELAN Name NetWare 4-11, 4-24 Windows NT 3-14 ELANs adding NetWare 4-19 Windows NT 3-21 configuring NetWare 4-11 Windows NT 3-13 enabling and disabling 3-20...
  • Page 124 loopback plugs, constructing fiber-optic 6-16 RJ-45 6-18 Loopback Test 6-7 Maximum Frame Size NetWare 4-12, 4-24 Windows NT 3-13 maximum peak cell rate value 1-5 Maximum VCCs Allowed, NetWare 4-12, 4-25 memory requirements NetWare 4-3 Windows NT 3-2 memory specifications A-1 minimum packet receive buffers, NetWare 4-6 multiple NICs...
  • Page 125 NDEX RJ-45 connector 2-4 loopback plug 6-18 pinouts A-3 SC duplex connector 2-4 Signaling Version NetWare 4-12, 4-25 Windows NT 3-13 SNMP, Windows NT 3-24 software requirements NetWare 4-3 Windows NT 3-3 standards compliance A-2 standby NIC 3-4, 4-4 STARTUP.NCF file 4-6 statistics, diagnostic tests 6-10 storage temperature A-2 system requirements...

  • Page 126: Limited Warranty

    No updates are provided. 3Com's sole obligation with respect to this express warranty shall be (at 3Com's discretion) to refund the purchase price paid by Customer for any defective software products, or to replace any defective media with software which substantially conforms to 3Com's applicable published specifications.

  • Page 127: Fcc Classa

    UNAUTHORIZED ATTEMPTS TO REPAIR OR MODIFY, OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE, LIGHTNING, OR OTHER HAZARD. LIMITATION OF LIABILITY: TO THE FULL EXTENT ALLOWED BY LAW 3COM ALSO EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING...

  • Page 128: Fcc Classb Certification Statement

    This booklet is available from the U.S. Government Printing Office, Washington, D.C. 20402. Stock No. 004-000-00345-4. NOTE: In order to maintain compliance with the limits of a Class B digital device, 3Com requires that you use quality interface cables when connecting to this device. Changes or modifications not expressly approved by 3Com could void the user’s authority to operate this equipment.
  • Page 129 The Software is licensed to be used on any workstation or any network server owned by or leased to you, provided that the Software is used only in connection with a 3Com adapter. You may reproduce and provide one (1) copy of the Software and supporting documentation for each such workstation or network server on which the Software is used as permitted hereunder.
  • Page 130 TRADE SECRETS; TITLE: You acknowledge and agree that the structure, sequence and organization of the Software are the valuable trade secrets of 3Com and its suppliers. You agree to hold such trade secrets in confidence. You further acknowledge and agree that ownership of, and title to, the Software and all subsequent copies thereof regardless of the form or media are held by 3Com and its suppliers.

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