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3Com ATMLINK 155 User Manual

Manual is about: PCI NETWORK INTERFACE CARDS

Summary of ATMLINK 155

  • Page 1

    ® atml ink ™ 155 pci n etwork i nterface c ards u ser g uide a member of the 3com family of atmlink network interface cards part no. 09-1038-000 published february 1997.

  • Page 2

    Ii 3com corporation ■ 5400 bayfront plaza ■ santa clara, california ■ 95052-8145 © 3com corporation, 1997. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without...

  • Page 3: Ifetime

    ® l ifetime w arranty 3com’s etherlink®, tokenlink®, tokenlink velocity™, 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 rep...

  • Page 4

    Customers in the countries shown below should send the completed registration card to the appropriate address. 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. Citiban...

  • Page 5: Ontents

    Iii c ontents a bout t his g uide introduction 1 how to use this guide 1 conventions 2 1 i 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 2 h ardware i nstal...

  • Page 6

    Iv 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 ela...

  • Page 7

    V 5 atml ink u 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...

  • Page 8

    Vi a s pecifications hardware a-1 network connections a-2 standards compliance a-2 environment a-2 rj-45 connector pinouts a-3 b t echnical s 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 ...

  • Page 9: Igures

    Vii f igures 1-1 3c975-f and 3c975-utp atmlink nics 1-2 2-1 removing the expansion slot cover 2-2 2-2 3c975-f atmlink nic installed in the chassis 2-3 2-3 sc duplex and rj-45 connectors 2-4 3-1 network settings window 3-9 3-2 add network adapter 3-9 3-3 insert disk dialog box 3-9 3-4 select oem opti...

  • Page 10

    Viii 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...

  • Page 11: Ables

    Ix t 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 fiel...

  • Page 12: Bout

    A bout t his g uide introduction this user guide describes the installation and configuration of the 3com ® 3c975-f and 3c975-utp atmlink ™ 155 pci network interface cards (nics). The intended audience is the network administrator, network operator, or network hardware installer. Knowledge of asynch...

  • Page 13

    2 a bout t his g 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 ...

  • Page 14

    Conventions 3 text represented as screen display this typeface is used to represent displays that appear on your terminal screen, for example: netlogin: text represented as commands this typeface is used to represent commands that you enter, for example: setdefault !0 -ip netaddr = 0.0.0.0 keys when...

  • Page 15: Ntroduction

    1 i ntroduction this chapter describes the hardware and software features of the 3com ® 3c975 atmlink ™ 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...

  • Page 16

    1-2 c hapter 1: i 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 ...

  • Page 17

    Emulated lan (elan) overview 1-3 emulated lan (elan) overview the 3com atmlink network driver conforms to the atm forum lan emulation over atm specification 1.0 to interoperate with legacy lan networks. Lan emulation supports the multicast, broadcast, and address resolution services characteristic o...

  • Page 18

    1-4 c hapter 1: i ntroduction for more detailed information on lan emulation and emulated lans, access the networking solutions centeron the 3com world wide web site at www.3com.Com. White papers on atm are found in the advanced technology solutions section. Software descriptions the following softw...

  • Page 19

    Software descriptions 1-5 the netware 4.X and 3.12 drivers and windows nt network drivers support up to four physical nics per system. Each physical nic can be configured to support up to 16 lecs. Each lec operates as a virtual nic and has a unique mac address. Only one lec per nic is supported in n...

  • Page 20

    1-6 c hapter 1: i 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: Ardware

    2 h ardware i nstallation 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 follow...

  • Page 22

    2-2 c hapter 2: h ardware i 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 pr...

  • Page 23

    Installing the 3c975 atmlink nic 2-3 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. This information is helpful when installing the network driv...

  • Page 24

    2-4 c hapter 2: h ardware i 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 µ m multimode fiber-optic cable with sc duplex connectors. The 3c975-utp nic uses category 5 unshielded twisted-pa...

  • Page 25: Indows

    3 w indows nt d river i nstallation the 3c975 atmlink nic driver for file servers running windows nt provides standards-based atm lan emulation connectivity to an atm network. This permits legacy lan networking technologies and protocols (such as ethernet and token ring) to run over an atm network. ...

  • Page 26

    3-2 c hapter 3: w indows nt d river i nstallation 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, ru...

  • Page 27

    Driver installation requirements 3-3 memory requirement scenario 1 there are two nics installed. One has a maximum frame size of 1514 bytes and four elans, and the other is a standby nic. The memory requirement is 24 megabytes of ram. Frame_size = 1 (1514 bytes maximum frame size) no. Of nics = 2 (t...

  • Page 28

    3-4 c hapter 3: w indows nt d river i nstallation nic information requirements ■ names of the elans to be configured on each atmlink nic ■ ip address and subnet mask of each elan using tcp/ip if a dhcp server is not being used ■ atm address of the les or lecs (other than the atm forum well-known add...

  • Page 29

    Driver installation summary for experienced users 3-5 ■ 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. ■ when a standby ...

  • Page 30

    3-6 c hapter 3: w indows nt d river i nstallation ■ obtain the names of the elans you wish to join from your atm system administrator. ■ obtain an ip address for each elan you intend to install, if the elans are to be used on an ip network without a dhcp server. Part one: nic detection, resilient se...

  • Page 31

    Driver installation summary for experienced users 3-7 part two: nic and elan configuration after all the 3com atmlink nics have been detected, the driver files copied, and the number of elans specified, the 3com atmlink installation window appears. 1 for each installed 3com atmlink nic, set the foll...

  • Page 32

    3-8 c hapter 3: w indows nt d river i nstallation 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 d...

  • Page 33

    Installing the network driver 3-9 figure 3-1 network settings window figure 3-2 add network adapter figure 3-3 insert disk dialog box.

  • Page 34

    3-10 c hapter 3: w indows nt d river i nstallation 8 insert the atmdisk diskette for windows nt in a floppy disk drive. If necessary, change the drive designation to the appropriate floppy drive. 9 click ok. The select oem option window appears, as shown in figure 3-4. Figure 3-4 select oem option w...

  • Page 35

    Installing the network driver 3-11 11 click yes if you want the 3com driver installed on the indicated nic. Otherwise, click no. If you click yes, the nic modedialog box appears, as shown in figure 3-6. If you click no, the nic installation dialog box reappears for the next discovered atmlink nic. T...

  • Page 36

    3-12 c hapter 3: w indows nt d river i nstallation each elan on a physical nic is assigned a unique mac address that is an increment of the base mac address of the physical nic. When you have completed resilient server link and elan assignments for each discovered nic, the 3com atmlink installation ...

  • Page 37

    Installing the network driver 3-13 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 field range of values (defaults in bold) description atmlink n...

  • Page 38

    3-14 c hapter 3: w indows nt d river i nstallation to configure nics and elans, follow these steps: 1 select the nic that you want to configure from the atmlink nic list box in the atmlink installation window. You can configure the nics in any order that you wish. 2 to make the selected nic a standb...

  • Page 39

    Installing the network driver 3-15 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. Th...

  • Page 40

    3-16 c hapter 3: w indows nt d river i nstallation 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, ...

  • Page 41

    Installing the network driver 3-17 6 when all the clients are configured, click ok. The 3com atmlink installation window shown in figure 3-8 reappears. All entries and edits to the 3com atmlink installation and elan configuration windows are saved only when you select the save & exit button in the 3...

  • Page 42

    3-18 c hapter 3: w indows nt d river i nstallation 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. Be sure tha...

  • Page 43

    Verifying driver installation and configuration 3-19 10 click ok when the tcp/ip configuration is complete. The restart prompt shown in figure 3-11 appears. Figure 3-11 restart prompt for adapter driver 11 make sure that all cables are connected to the appropriate switch ports. 12 select restart now...

  • Page 44

    3-20 c hapter 3: w indows nt d river i nstallation 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 e...

  • Page 45

    Adding elans 3-21 adding elans additional elans can be added to a nic after the initial installation. Perform the following procedure to add additional elans: 1 if multiple atmlink nics are installed, identify the pci slot and bus number of the nics on which you want to install additional elans. Use...

  • Page 46

    3-22 c hapter 3: w indows nt d river i nstallation 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, c...

  • Page 47

    Adding elans 3-23 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 ...

  • Page 48

    3-24 c hapter 3: w indows nt d river i nstallation adding snmp support the snmp agent shipped with the atmlink nic offers limited support for the atm forum lan emulation client management version 1.0 specification. The agent is shipped on the atmdisk diskette as the lecmib.Dll and lecifmib.Dll files...

  • Page 49

    Adding snmp support 3-25 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..

  • Page 50: Are

    4 n et w are s erver d river i nstallation the 3c975 atmlink nic driver for file servers running novell netware 3.12 and 4.X provides standards-based atm lan emulation connectivity to an atm network. This permits legacy lan networking technologies and protocols (such as ethernet and token ring) to r...

  • Page 51

    4-2 c hapter 4: n et w are s erver d river i 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 ...

  • Page 52

    Driver installation requirements 4-3 driver installation requirements please confirm that the following installation requirements are met before installing and configuring the network driver. Hardware requirements ■ file server with a pci bus running novell netware version 3.12 or 4.X ■ 3.5-inch flo...

  • Page 53

    4-4 c hapter 4: n et w are s erver d river i nstallation 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...

  • Page 54

    Resilient server links overview 4-5 ■ 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 prof...

  • Page 55

    4-6 c hapter 4: n et w are s erver d river i nstallation a nic configured as a standby nic does not require other keyword parameters or a bind command, because it assumes the configuration profile of the active nic. For more information on editing the autoexec.Ncf file, see the section “editing the ...

  • Page 56

    Loading the server driver 4-7 if the number of minimum packet receive buffers is already present in the 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...

  • Page 57

    4-8 c hapter 4: n et w are s erver d river i nstallation 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 additiona...

  • Page 58

    Loading the server driver 4-9 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. A system messa...

  • Page 59

    4-10 c hapter 4: n et w are s erver d river i nstallation 6 insert the atmdisk diskettefor netware in a floppy drive. If a path other than drive a: is required, press [f3] to specify a different drive. 7 press [enter]. The select a driver to install screen appears, as shown in figure 4-6. Figure 4-6...

  • Page 60

    Configuring lecs and resilient server links 4-11 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 a...

  • Page 61

    4-12 c hapter 4: n et w are s erver d river i nstallation maximum frame size 1514 4542 9232 all elans with the same card number must have the same mfs value, also called maximum transfer unit (mtu). Use 1514 for ethernet, 4542 for 4 mbps token ring, and 9232 for 16 mbps token ring. Only end stations...

  • Page 62

    Configuring lecs and resilient server links 4-13 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 ...

  • Page 63

    4-14 c hapter 4: n et w are s erver d river i nstallation 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

    Configuring lecs and resilient server links 4-15 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 ™ 7000 switch. Other manufacturers may have different requirements. Refer to your atm switch documentation for details c...

  • Page 65

    4-16 c hapter 4: n et w are s erver d river i nstallation 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...

  • Page 66

    Configuring lecs and resilient server links 4-17 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/vc...

  • Page 67

    4-18 c hapter 4: n et w are s erver d river i 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 ...

  • Page 68

    Configuring lecs and resilient server links 4-19 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 ad...

  • Page 69

    4-20 c hapter 4: n et w are s erver d river i 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 inc...

  • Page 70

    Verifying driver installation and configuration 4-21 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...

  • Page 71

    4-22 c hapter 4: n et w are s erver d river i nstallation check ability to connect over atm link to verify that the server is communicating over the atm link, perform the following procedure: 1 set up a netware client on an elan supported by the server to be tested. 2 log in or map to the server. If...

  • Page 72

    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...

  • Page 73

    4-24 c hapter 4: n et w are s erver d river i nstallation 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. Defaults are show...

  • Page 74

    Editing the autoexec.Ncf file 4-25 lec_config_mode (lec configuration mode) 1, 2 1=automatic (uses ilmi or user-supplied lecs address) 2=manual (must supply address for les or lecs when using this option) lecs_np (lecs network prefix) default is 13-byte network portion of atm forum well-known addres...

  • Page 75

    4-26 c hapter 4: n et w are s erver d river i nstallation 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. T...

  • Page 76: Atml

    5 atml ink u tility 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 a...

  • Page 77

    5-2 c hapter 5: atml ink u 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 directo...

  • Page 78

    Atmlink utility field descriptions 5-3 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 ...

  • Page 79

    5-4 c hapter 5: atml ink u 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. Figure 5-3 connection...

  • Page 80

    Atmlink utility field descriptions 5-5 nic information to view nic information, click the name of a nic on the directory tree in the left portion of the window, and then click the nic information tab in the right portion of the window, as shown in figure 5-4. Figure 5-4 nic information window the ni...

  • Page 81

    5-6 c hapter 5: atml ink u 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 nic...

  • Page 82

    Installing and running the atmlink utility for novell netware 5-7 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 ...

  • Page 83

    5-8 c hapter 5: atml ink u 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 5-9 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 fi...

  • Page 85

    5-10 c hapter 5: atml ink u tility table 5-4 lists the range of values that can be displayed on the nic information screen. Vcc statistics the vcc statistics screen, shown in figure 5-9, displays a table of the current open connections established between the selected nic and the atm network. Table ...

  • Page 86

    Atmlink utility menu options 5-11 figure 5-9 vcc statistics screen table 5-5 describes the netware vcc statistics fields. Table 5-5 netware vcc statistics screen field description vci numeric virtual circuit identifier of the indicated virtual circuit vpi numeric virtual path identifier of the indic...

  • Page 87

    5-12 c hapter 5: atml ink u 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 ...

  • Page 88

    Atmlink utility menu options 5-13 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 le...

  • Page 89: Iagnostics

    6 d iagnostics and t roubleshooting this chapter describes how to use the atmlink diagnostic utility program shipped on the atmdisk diskettes. Overview the atmlink diagnostic utility and its associated help files are in the root directory of the atmdisk diskettes. The diagnostic utility is an ms-dos...

  • Page 90

    6-2 c hapter 6: d iagnostics and t 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 th...

  • Page 91

    How to use the diagnostic utility 6-3 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 d...

  • Page 92

    6-4 c hapter 6: d iagnostics and t roubleshooting 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 charac...

  • Page 93

    How to use the diagnostic utility 6-5 running the internal tests the internal tests check the integrity of the on-board asic circuitry. The types of tests and number of test repetitions are set to the default values (that is, internal tests enabled, external test disabled, and 10 repetitions per tes...

  • Page 94

    6-6 c hapter 6: d iagnostics and t roubleshooting 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. If the ext...

  • Page 95

    How to use the diagnostic utility 6-7 running the external loopback test run the external loopback test to check the integrity of the on-board transceiver and cable connectors. To run the external loopback test, you must use a loopback plug. For instructions on constructing a loopback plug, see the ...

  • Page 96

    6-8 c hapter 6: d iagnostics and t roubleshooting 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 tes...

  • Page 97

    Viewing test results 6-9 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. 11 remove the loopback plu...

  • Page 98

    6-10 c hapter 6: d iagnostics and t roubleshooting 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 therun testsscreen. Figure 6-7 nic statistics screen individual test informatio...

  • Page 99

    Changing the test setup 6-11 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

    6-12 c hapter 6: d iagnostics and t roubleshooting 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 timesfield of therepetitions box of the test setup screen (figure 6-2). C...

  • 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 ems memo...

  • Page 102

    6-14 c hapter 6: d iagnostics and t roubleshooting sram data test : passed total repetitions completed : 10 repetitions passed : 10 repetitions failed : 0 internal loopback test : passed total repetitions completed : 10 repetitions passed : 10 repetitions failed : 0 interrupt test : passed total rep...

  • Page 103

    What to do if a test fails 6-15 2 inspect all cables and connections. 3 make sure that your computer was booted with dos version 6.X, and that no device drivers or memory managers are loaded. 4 make sure that the pci slot with the nic in it is activated. Some pci computers allow pci slots to be acti...

  • Page 104

    6-16 c hapter 6: d iagnostics and t roubleshooting 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 3c9...

  • Page 105

    Constructing loopback plugs 6-17 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 sc connector port led atm link.

  • Page 106

    6-18 c hapter 6: d iagnostics and t roubleshooting 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 n...

  • Page 107

    Link led 6-19 link led the state of the link led indicates the atmlink nic operating status. Table 6-3 explains the possible led states. The led of a standby nic does not light unless the nic changes to active status. Table 6-3 led activity led state explanation slow blinking ■ the operating system ...

  • Page 108: Pecifications

    A s pecifications hardware memory 16 kb serial eeprom 128 kb sram 315 cells on chip buffer bus interface pci local bus specification, revision 2.0 pci compliance checklist 32-bit zero wait state master 32-bit bus pci master supports up to 13 dword bursts supports bus master scatter-gather dmas memor...

  • Page 109

    A-2 a ppendix a: s pecifications network connections standards compliance environment sc duplex multimode fiber (62.5/125 µ m) maximum cable length: 2 km rj-45 category 5 utp cable 100 m maximum cable length: 100 m atm layer ansi t1s1/92-002r3, itu 1.361, atm forum uni v.3.1 specification atm adapta...

  • Page 110

    Rj-45 connector pinouts a-3 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 atm switch 1 transmit + receive + 2 transmit – receive – 3 not used not used 4 not used not used 5 not used not used 6 not used no...

  • Page 111: Echnical

    B t echnical s upport 3com provides easy access to technical support information through the variety of services described in this appendix. Online technical services 3com offers worldwide product support 24 hours a day, 7 days a week, through the following online systems: ■ 3com bulletin board serv...

  • Page 112

    B-2 a ppendix b: t echnical s upport call the telephone number nearest you: access by digital modem isdn users can dial-in to 3combbs using a digital modem for fast access up to 56 kbps. To access 3combbs using isdn, use the following number: (408) 654 2703 world wide web site access the latest netw...

  • Page 113

    Online technical services b-3 3comforum on compuserve 3comforum is a compuserve-based service containing patches, software, drivers, and technical articles about all 3com products, as well as a messaging section for peer support. To use 3comforum, you need a compuserve account. To use 3comforum: 1 l...

  • Page 114

    B-4 a ppendix b: t echnical s upport support from your network supplier if additional assistance is required, contact your network supplier. Many suppliers are authorized 3com service partners who are qualified to provide a variety of services, including network planning, installation, hardware main...

  • Page 115

    Returning products for repair b-5 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. To obtain an rm...

  • Page 116: Lossary

    G lossary aal 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...

  • Page 117

    2 g 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. In an atm network, an a...

  • Page 118

    G lossary 3 lec 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 configur...

  • Page 119

    4 g lossary mib 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 wi...

  • Page 120

    G lossary 5 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. Svc switched virtual circuit. Circuit that creates a dynamic co...

  • Page 121

    6 g lossary vpi 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 n...

  • Page 122: Ndex

    I 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 a accessing dos 6-3 active nic 3-4, 4-4 adding elans 3-21 atm compliance a-2 atmlink diagnost...

  • Page 123

    2 i 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 e 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 n...

  • Page 124

    I ndex 3 loopback plugs, constructing fiber-optic 6-16 rj-45 6-18 loopback test 6-7 m 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 packe...

  • Page 125

    4 i ndex rj-45 connector 2-4 loopback plug 6-18 pinouts a-3 s 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 ...

  • Page 126

    Limited warranty hardware: 3com warrants its hardware products to be free from defects in workmanship and materials, under normal use and service, for the following lengths of time from the date of purchase from 3com or its authorized reseller: if a product does not operate as warranted above during...

  • Page 127

    Conditions of merchantability, fitness for a particular purpose, and satisfactory quality. 3com neither assumes nor authorizes any other person to assume for it any other liability in connection with the sale, installation, maintenance or use of its products. 3com shall not be liable under this warr...

  • Page 128

    Fcc class b certification statement 3com corporation model no: 3c975-f fcc id: df63c975-f made in u.S.A. 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 inter...

  • Page 129

    Repairs to certified equipment should be made by an authorized canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equip...

  • 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 ...