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Cabletron Systems SmartCell ZX-250 User Manual

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Download this manual See also: Reference Manual, Installation Manual
SmartCell ZX-250 User
Guide
35 Industrial Way
Rochester, NH 03866
USA
(603) 332-9400
Part Number 04-0034-04 Rev-A
Order Number 9032538

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Summary of Contents for Cabletron Systems SmartCell ZX-250

  • Page 1 SmartCell ZX-250 User Guide 35 Industrial Way Rochester, NH 03866 (603) 332-9400 Part Number 04-0034-04 Rev-A Order Number 9032538...
  • Page 2 Cabletron Systems reserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletron Systems to determine whether any such changes have been made. The hardware, firmware, and software described in this manual are subject to change without notice.
  • Page 3 This equipment uses, generates, and can radiate radio frequency energy and if not installed in accordance with the SmartCell ZX-250 User Guide, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause interference in which case the user will be required to correct the interference at his own expense.
  • Page 4 Equipment Type/Environment: We the undersigned, hereby declare, under our sole responsibility, that the equipment packaged with this notice conforms to the above directives. Manufacturer: Legal Repersentative in Europe: SmartCell ZX-250 User Guide 89/336/EEC 73/23/EEC Cabletron Systems, Inc. 35 Industrial Way P.
  • Page 5 Do not use optical instruments to view the laser output. The use of optical instruments to view laser output increases eye hazard. When viewing the output optical port, you must remove power from the network adapter. watts. or 8x10 SmartCell ZX-250 User Guide v sr-1.
  • Page 6 Reconnect cable and check for proper mating. If problems remain, gently wipe out optical port with a DRY fiber port cleaning swab and repeat step 1. >"•mamV To avoid contamination, replace port caps on all fiber optic devices when not in use. SmartCell ZX-250 User Guide...
  • Page 7 The SmartCell ZX-250, SmartCell ZX-250i, and SmartCell ZX-250r meet the safety requirements of UL 1950, CSA C22.2 No. 950, EN 60950, IEC 950, and 73/23/EEC. The SmartCell ZX-250, SmartCell ZX-250i, and SmartCell ZX-250r meet the EMC requirements of FCC Part 15, EN 55022, CSA C108.8, VCCI V-3/93.01, EN 50082-1, and 89/336/EEC.

  • Page 8: Revision History

    REVISION HISTORY Document Name: SmartCell ZX-250 User Guide Document Part Number: 04-0034-04 Rev-A Document Order Number: 9032538 Author: Bruce Jordan Editor: Carre Gibson Illustrator: Michael Fornalski Cover Designer: Michael Fornalski ->Íi Revision <>˜Ö>ÀßÊ£™™Ç ä{†ääÏ{†ä£Ê-i܆" <Ö•ßÊ£™™Ç ä{†ääÏ{†äÔÊ-i܆" #VÍœLiÀÊ£™™Ç ä{†ääÏ{†äÏÊ-i܆" >ÀV…Ê£™™n ä{†ääÏ{†ä{Ê-i܆"...

  • Page 9: Table Of Contents

    Switch Installation and Setup ........
  • Page 10 4.9.10 Upgrading Main Switch Module (MSM-16 to MSM-32) ......4-40 4.9.11 Adding an Expansion Switch Module .
  • Page 11 SmartCell ZX-250 MIB Support ........
  • Page 12 Table of Contents SmartCell ZX-250 User Guide...
  • Page 13 Internal components of the SmartCell ZX-250 ATM switch ....... 4-34...
  • Page 14 ZeitNet Cabletron ZX-250 MIB object identifier example ....... . .

  • Page 15: List Of Tables

    Zeitnet proprietary MIB groupings ...........C-4 SmartCell ZX-250 User Guide xv...
  • Page 16 List of Tables SmartCell ZX-250 User Guide...

  • Page 17: Introduction

    1 INTRODUCTION Welcome to the SmartCell ZX-250 User Guide. This manual will help you quickly and easily install, configure, and manage your SmartCell ZX-250 ATM switch. By performing the steps described in chapters two and three of this manual, your switch will be physically installed, accessible on your Ethernet network, and running either an IP over ATM VLAN or an emulated Ethernet LAN.
  • Page 18 Introduction 1-2 SmartCell ZX-250 User Guide...

  • Page 19: Switch Installation And Setup

    Install the SmartSwitch ATM Administrator graphical management software UNPACKING THE SWITCH Remove the accessory carton from the ZX-250 shipping box. Carefully remove the switch from its packing material. CHECK ACCESSORY CARTON CONTENTS Open the accessory carton and check that it contains the following items: —...

  • Page 20: Inspecting The Switch

    Inspect the switch and make certain that its configuration corresponds to what was ordered. Check the following: — Correct model number on the SmartCell ZX-250 switch sticker. On the ZX-250, the sticker is on the back. On the ZX-250r, the sticker is on the bottom.

  • Page 21: Figure 2-3 Rear View Of Zx-250R With Both Power Supply Modules

    AC Power OK DC Power OK Inspecting the Switch Line: AC Power OK 100 - 125V ~ 3.2A 200 - 240V ~ 1.6A 50/60 Hz DC Power OK SmartCell ZX-250 User Guide 2-3...

  • Page 22: Ds3 And E3 I/O Module Configuration

    2.4.1 Desktop Installation ZX-250 switches can be installed on any clean, dry, stable surface (desktop) that allows for at least four inches of clear space on both sides of the switch: ZX-250 — 17.5 inches wide by 14.5 inches deep ZX-250r —...

  • Page 23: Figure 2-4 Airflow Space For The Zx-250 In Desktop Environment

    Figure 2-4 Airflow space for the ZX-250 in desktop environment s• Place the switch on the desktop so that it rests on its rubber feet. Do not place other objects closer than four inches from the sides of the switch. This clear space must be maintained to insure proper air flow.

  • Page 24: Rack Installation For Zx-250

    0.5 inches vertically between switches. There must be an air gap of at least four (4) inches on either side of the rack for proper air flow to the cooling fans. (the ZX-250 chassis are 17.5 inches wide by 14.5 inches deep.)

  • Page 25: Figure 2-6 After Brackets Are Attached, Mount The Switch In The Rack

    0.50 flat-head screws on each side (see Figure 2-6). >"•mamV The ZX-250 switch is heavy enough to make one-person installation difficult. For this reason, it is advisable to have someone assist you. Figure 2-6 After brackets are attached, mount the switch in the rack.

  • Page 26: Rack Installation For Zx-250R

    ¢• Mount the brackets on both sides of the front of the switch (see Figure 2-7). Attach each bracket to the side of the chassis using two (2) #8-32 x 0.38 flat-head screws and two (2) #6-32 x 0.38 flat-head screws.

  • Page 27: Figure 2-7 Attaching Mounting Brackets

    The ZX-250r switch is heavy enough to make one-person installation difficult. For this reason, it is advisable to have someone assist you. >"•mamV Do not pick up the SmartCell ZX-250r by its power supply handles. #8-32 X 0.38 SmartCell ZX-250 User Guide 2-9 Installing the Switch...

  • Page 28: Figure 2-8 After Brackets Are Attached, Mount The Switch In The Rack

    The mounting brackets must be attached to the switch before mounting the switch on the rack. Each switch must be mounted to the rack with all four (4) screws. Every switch must be supported by its own brackets. DO NOT stack a unit directly on top of a mounted switch.

  • Page 29: Switch Configuration

    For information about adapter wiring configurations, see Appendix B, “Specifications.” Plug the other end of the UTP cable into the ZX-250 female RJ-45 jack labeled Terminal, located at the bottom center of the switch’s front panel (see Figure 2-9). ••...

  • Page 30: Figure 2-9 Zx-250 Console And Network Connections

    Figure 2-9 ZX-250 console and network connections T• Start the dumb terminal or PC and its terminal emulation software; then turn on the ZX-250 switch. Q• As the SmartCell ZX-250 powers up, a series of diagnostic messages appears on the terminal’s screen.

  • Page 31: Using The Console

    Using the SmartCell X-250 console Installing and getting started with the Windows-based SmartSwitch ATM Administrator application USING THE CONSOLE Use the ZX-250 console interface to configure and manage your switch. The following is a description of the console interface and its operation. 2.6.1 Console Commands 2p›F...
  • Page 32 SmartCell ZX # 2p›F When you accept the ( abridged. 2-14 SmartCell ZX-250 User Guide is the operator, is the switch-attribute, and portconfig Current pnni10 symmetric private 4096 show portconfig ” ports is presented. You can either accept the default by pressing Enter,...

  • Page 33: Console Time-Out

    The console can be configured to exit if it does not sense a key stroke within a defined length of time. By default, the SmartCell ZX-250 is set to never time-out (value = 0). To activate the time-out feature, use the...

  • Page 34: Ambiguous Commands

    If you enter part of a command, and that part is not unique, the console displays a numbered list of possible matching commands. For example, entering show pnnin “pnnin.” In response, the SmartCell ZX-250 displays a list of the possible commands: < “pnnin” is ambiguous SmartCell ZX # show pnnin...

  • Page 35: Smartswitch Atm Administrator

    Perform drag and drop operations Manage all switches from one console Perform transactions across multiple switches (for example, create an ELAN when the servers are not co-located : a3 : 39:00:00:00:00:00:00:00:00:00:14:72:80 :exterior SmartCell ZX-250 User Guide 2-17 SmartSwitch ATM Administrator...

  • Page 36: Installation Steps

    Installation Steps The installation process for SmartSwitch ATM Administrator is essentially the same for all the supported operating systems. Follow these instructions for installation on NT 4.0, NT 3.5.1, or Win95. 2-18 SmartCell ZX-250 User Guide Switch Installation and Setup...

  • Page 37: Starting Smartswitch Atm Administrator The First Time

    In the SmartCell ZX Network Management Tools (Common) program group, double click on the icon labeled SmartSwitch ATM Administrator. The SmartSwitch ATM Administrator Login dialog box appears. Default Password admin guest SmartSwitch ATM Administrator SmartCell ZX-250 User Guide 2-19...

  • Page 38: Accessing Online Help

    Click the Contents tab to show the Table of Contents of the online help. Click on the topic you wish to read about. † Click the Index tab to select from an alphabetical list of help topics. † Click the Find tab to search for a particular topic. 2-20 SmartCell ZX-250 User Guide Switch Installation and Setup...

  • Page 39: Ip Over Atm And Lane

    3 IP OVER ATM AND LANE This chapter describes working with the SmartCell ZX-250 IP over ATM VLAN and emulated LAN capabilities. At the end of this chapter you will be able to use your SmartCell ZX-250 switch to Create an IP over ATM VLAN...
  • Page 40 Your end nodes do not need to be physically attached to the switch that contains the ARP server. For example, an end station is connected to a ZX-250 switch that is connected through a route to the switch containing the ARP server . No special...

  • Page 41: Atm Addressing For Ip Over Atm

    3.1.1 ATM Addressing for IP over ATM The SmartCell ZX-250 provides a default format for ATM addresses used by IP over ATM. The default format is constructed as follows: netprefix + two zero bytes + IP address of the device (in hex) + a trailing zero byte Where the netprefix is constructed from 39 + nine zero bytes + the last three bytes of the device’s MAC address...
  • Page 42 SmartCell ZX # start lecs NOTICE - 'LECS' ***** LECS started ***** SmartCell ZX # ¢• Create an ELAN on your SmartCell ZX-250 switch by executing the following is an example. SmartCell ZX # add elan <1 is used instead of the default, (0) ELANNumber(0) : 1 ELANName(ELAN001): Marketing <ELAN is named Marketing instead of the default, (ELAN000)
  • Page 43 Administration,” for information about SmartCell ZX-250 switch operations and maintenance. 2p›F While it is possible for a single ELAN on the SmartCell ZX-250 switch to support multiple subnets, in general, switch performance is best (and management easiest) when the “One-subnet-per-ELAN” rule is observed.

  • Page 44: Atm Addressing For Lan Emulation

    Creating an Emulated LAN 3.2.1 ATM Addressing for LAN Emulation The SmartCell ZX-250 provides a default format for ATM addresses used by LAN emulation. The default format is constructed as follows: netprefix + the MAC address of the device + a Selector Byte Where the netprefix is constructed from 39 + nine zero bytes + the last three bytes of the switch’s MAC address...

  • Page 45: Switch Clients

    VLAN and the SmartCell ZX-250 CPU; this CPU connection appears as if the switch is an end station on the VLAN. The SmartCell ZX-250 uses local clients to connect itself to the VLANs that it supports.
  • Page 46 Creating an Emulated LAN IP Over ATM and LANE 3-8 SmartCell ZX-250 User Guide...

  • Page 47: Switch Administration

    BACKING UP AND RESTORING SWITCH CONFIGURATIONS Once your SmartCell ZX-250 ATM switch is up and running (or you have made extensive changes to the configuration), you should back up the switch configuration. If the flash RAM gets formatted or corrupted, you can restore the switch configuration from the backup file.

  • Page 48: Atm Routing

    The proper route type is determined by the SmartCell ZX-250 through interface signaling information. 4.2.1 Creating an IISP Route Use the command to create an IISP route that links the SmartCell ZX-250 to a device that supports only add ATMRoute IISP routing. For example, s• Physically connect port of the SmartCell ZX-250 to the IISP device.

  • Page 49: Iisp Routing Considerations

    SmartCell ZX-250. Conversely, there must be a SmartCell ZX-250 that has a direct physical link (and a route over that link) to the IISP device. The following two examples illustrate this point.

  • Page 50: Figure 4-1 Iisp Route Across Pnni Domain

    Figure 4-1 IISP route across PNNI domain A second IISP device (Switch D) is added behind Switch A. If Switch D also needs to reach Switch C for LECS support, you must define additional IISP routes between Switches D and C, B and D, and A and D. Figure 4-2 shows the typical “route to every point reached”...

  • Page 51: Uni Routes

    00:11:22:33:44:55) to port A2 of the SmartCell ZX-250. If the adapter does not support ILMI or its ILMI is incompatible with the SmartCell ZX-250, you must create a static UNI route between the adapter and port A2 of the SmartCell ZX-250.

  • Page 52: Route Metrics

    MaximumCellTransferDelay(-1) CellDelayVariation(-1) CellLossRatioForCLP=0(-1) CellLossRatioForCLP=0+1(-1) CellRateMargin(-1) VarianceFactor(-1) SmartCell ZX # 4-6 SmartCell ZX-250 User Guide add ATMRoute < 1st pair member, we accept the default : cbr : 200 : 1000 : 750 < 2nd pair member, we set as incoming...

  • Page 53: Ip Routing

    IP ROUTING The SmartCell ZX-250 switch provides limited IP routing. IP routing allows switches that are not connected directly to the Ethernet to communicate with an Ethernet-based NMS. The connection is made by adding IP routes on the non-connected switches that specify a client on a connected switch as their gateway to the Ethernet.
  • Page 54 SW2 is connected to SW1 through PNNI, and are both part of the same emulated LAN. To reach SW2 with the Ethernet-based NMS, define an IP route on SW2 that assigns SW1’s switch client as SW2’s default gateway to the network 128.205.99.0. Enter the following on SW2 (see Figure 4-3): SmartCell ZX # add route DestNetIP() : 128.205.99.0...

  • Page 55: Events And Alarms

    EVENTS AND ALARMS The SmartCell ZX-250 switch records and reports its operation in real-time through the use of events and alarms. An event is an occurrence of a significant activity. For instance, a port going down or a client joining an ELAN are examples of events.

  • Page 56: Viewing Events And Alarms

    Object — The object affected by the event (port, LEC, and so on) Description — Brief message describing the event Event messages can be automatically displayed on the SmartCell ZX-250 console. Use the command to display events on the console as they occur:...

  • Page 57: Deleting Events And Alarms

    The SmartCell ZX-250 supports Permanent Virtual Circuits (PVCs), both point-to-point and point-to-multipoint. Use PVCs to connect devices (that do not support SVCs) to a switch’s local client. Also, use PVCs to make connections through the SmartCell ZX-250 between devices that support only PVCs.

  • Page 58: Point-To-Point Pvcs

    PVC Connections 4.5.1 Point-to-Point PVCs The procedure for setting up a PVC connection between two end nodes through the SmartCell ZX-250 consists of specifying the ports and the virtual path and virtual channel identifiers (VPI and VCI). s• to define a traffic descriptor to use with the PVC...
  • Page 59 <this is the backward descriptor <we set everything to zero Sust Cell Rate Max Burst Size (Kb/s) (Kb/s) CLP_0+1 CLP_0 CLP_0+1 CLP_0 1585 : pmp : a1 : 101 : b2 : 101 PVC Connections Type CLP_0+1 SmartCell ZX-250 User Guide 4-13...

  • Page 60: Connecting To Local Switch Client Through A Pvc

    Connecting to Local Switch Client Through a PVC All PVC connections to the SmartCell ZX-250 local clients use B4 (the CPU port) as the HighPort. Follow these instructions to connect an end node to a SmartCell ZX-250 local client through a point-to-point PVC. s•...

  • Page 61: Table 4-1 Values For Vpi And Vci

    PVC. If the VPI and VCI values do not fit one of the indexed combinations, the SmartCell ZX-250 uses the closest matching indexed combination. If you need to use values for VPI and VCI that do not fall within the range of one of the preconfigured indexed combinations, use the command to replace one of the preconfigured combinations.
  • Page 62 PVCs can be configured for port A1 using VPI values from 0 to 7 and VCI values from 0 to 511. 2p›F Do not set the VCI part of the VCCMask to fewer than 5 bits. 2p›F Do not change the VCCMask for the CPU port (B4). 4-16 SmartCell ZX-250 User Guide Current pnni10 symmetric private <VPI on port A1 can now be any 3-bit number...

  • Page 63: Traffic Management

    SmartCell ZX-250 user data cells are classified according to the state of a cell loss priority (CLP) bit in the header of each cell. A CLP 1 cell has a lower priority than a CLP 0 cell and is discarded first. Source traffic descriptors can specify CLP 0 cell traffic, CLP 1 cell traffic, or the aggregate CLP 0+1 traffic.

  • Page 64: Table B-4 Table

    Traffic Descriptor with CLP, no Tagging, and SCR Traffic Descriptor with CLP, Tagging, and SCR Traffic Descriptor with CLP and best effort 4-18 SmartCell ZX-250 User Guide command to view all currently defined traffic descriptors. Sust Cell Rate Max Burst Size...

  • Page 65: Call Admission Control Policy

    Call Admission Control Policy Call Admission Control (CAC) policy defines the bandwidth allocation scheme used by the CAC when setting up connections. The SmartCell ZX-250 offers three schemes that can be set on a per-port, per-service class basis, Conservative Moderate Liberal Under conservative policy, the CAC allocates bandwidth closest to the requested bandwidth and QoS parameters.
  • Page 66 SmartCell ZX # The SmartCell ZX-250 performs buffering using a shared-memory architecture. Buffer space is divided into queues for each QoS. In turn, ports are allocated some portion of each of the QoS queues. This allocation is controlled on a...
  • Page 67 1000 20 16384 2000 1000 20 16384 2000 1000 20 16384 : a3 : 1000 < Min for CBR queue : 10000 < Max for CBR queue Traffic Management command set porttrafficcongestion , enter the SmartCell ZX-250 User Guide 4-21...

  • Page 68: Efci, Epd, And Rm Thresholds

    4.6.3 EFCI, EPD, and RM Thresholds To control switch congestion, the SmartCell ZX-250 implements standard resource management cell (RM-cell) marking, explicit forward congestion indicator cell marking (with backward RM cell marking), and early packet discard (EPD). These congestion control schemes are triggered when the number of cells within shared memory reaches user-definable thresholds.

  • Page 69: Upgrading And Changing Software

    Switch Administration Along with EFCI and backward RM cell marking, the SmartCell ZX-250 uses standard RM cell marking. The switch discard threshold ( show switchtrafficcongestion point at which the switch considers itself congested and starts marking RM cells. 2p›F The switch discard threshold is not user configurable and is shown only for information.

  • Page 70: Boot Load Commands

    POST on or off: ponf Changes start-up action: either run POST before running switch software or skip POST and go directly to switch software. 4-24 SmartCell ZX-250 User Guide Switch Administration Parameters = set boot load image 0 as default chpi 0...

  • Page 71: Upgrading Boot Load Software

    Set up the TFTP/Bootp server software on a workstation. ¢• Connect both the TFTP/Bootp server and the SmartCell ZX-250 to your Ethernet network. Make sure that the TFTP/Bootp server can be reached by the SmartCell ZX-250 Ethernet interface. ••...
  • Page 72 1 becomes the new default image. s¬• Reboot the SmartCell ZX-250. The following message appears on the terminal screen: Preparing to run Default Boot Load Software: 1 Enter 0 or 1 to override and force which Boot Load Software to run:...

  • Page 73: Upgrading Post Diagnostic Software

    => T• Reboot the SmartCell ZX-250. Boot load image 0 is now used as the default image. Preparing to run Default Primary Image: 0 Enter 0 or 1 to override and force one of these primary image sectors to run: 4.7.4...

  • Page 74: Upgrading Switch Operating Software

    Set up the TFTP/Bootp server software on a workstation. ¢• Connect both the TFTP/Bootp server and the SmartCell ZX-250 to your Ethernet network. Make sure that the TFTP/Bootp server can be reached by the SmartCell ZX-250 Ethernet interface. ••...

  • Page 75: Using The Update Firmware Command

    RAM is copied into system memory and then run. To use the hot upgrade feature, the SmartCell ZX-250 must have network access to an end station running TFTP server software.

  • Page 76: Saving Core Dumps

    SAVING CORE DUMPS The SmartCell ZX-250 core dump feature allows you to specify a local Ethernet host where, in the event of a system failure, the SmartCell ZX-250 sends a copy of its memory. SmartCell ZX-250 system memory is saved to two files, one containing CPU memory (core_cpu), the other common memory (core_cmn).
  • Page 77 Saving Core Dumps < “y” to enable core dump feature < IP address of my TFTP server < full path name for core dump files < login name on the server < password SmartCell ZX-250 User Guide 4-31...

  • Page 78: Performing Hardware Maintenance

    Performing Hardware Maintenance If a system failure occurs while the core dump feature is enabled, the SmartCell ZX-250 console appears similar to the example below. The SmartCell ZX-250 then begins sending images of its memory to the core dump files on the TFTP server.

  • Page 79: Cpu Board

    The Extended Switch Module (ESM) provides the switch fabric to support an additional two IOMs (for a total of 15 ports). The IOMs plug into the top of the ESM and then the boards are slid into the ZX-250 chassis as a single unit.

  • Page 80: I/O Modules

    The I/O Modules (IOMs) plug into the DIN connectors on the top of both the MSM and the ESM (see Figure 4-5). All ZX-250 switches can (with an ESM installed) support up to four IOMs, providing a total of 15 ATM ports (Port B4 is reserved for use by the CPU).

  • Page 81: Figure 4-6 Remove The Bezel From The Chassis Base

    Remove the two Phillips-head screws from the outside edges of the switch module faceplate. •• Unfasten the switch module from the chassis, using the two extractor lever arms. Gently pull the module from the chassis, applying even and gentle pressure to both sides to avoid distorting the board (see Figure 4-7and Figure 4-8).

  • Page 82: Removing I/O Modules

    Figure 4-9), using a screw driver (2 screws from the bottom, 1 screw from the front). •• Remove the IOMs from the switch module (one at a time) by lifting them upward from the switch module, disconnecting them from the switch modules’s DIN connector (see Figure 4-9).

  • Page 83: Replacing A Switch Module

    Figure 4-9 I/O module (installation/removal). 4.9.9 Replacing a Switch Module To replace a switch module, perform the steps listed above in reverse order. Follow these instructions to replace the switch modules back into the chassis: %"¤›apm The MSM must always be replaced in the lower switch module slot, and the ESM must always be replaced in the upper switch module slot.

  • Page 84: Figure 4-10 Line Up Module On The Nylon Card Guides

    Thumbs on front, hands supporting card, push card in with even pressure (see Figure 4-11) until it seats into its backplane connector. Make sure the module is inserted into the chassis as far as it can go before using the extractor lever arms. 4-38 SmartCell ZX-250 User Guide Switch Administration...

  • Page 85: Figure 4-11 Push Seated Card In With Even Pressure

    Failure to properly seat the module prior to using the lever arms may damage the chassis sheet metal. Performing Hardware Maintenance SmartCell ZX-250 User Guide 4-39...

  • Page 86: Upgrading Main Switch Module (Msm-16 To Msm-32)

    Upgrading Main Switch Module (MSM-16 to MSM-32) To upgrade the MSM-16 to a MSM-32, you must order the MSM-32 from Cabletron Systems. Then, follow the procedures for removing the switch module and replace the current MSM-16 with the new MSM-32. See instructions at the beginning of this section.

  • Page 87: Adding A Power Supply Module (Smartcell Zx-250R Only)

    Remove the two Phillips-head screws that hold the power supply module blank in place, and carefully remove the blank (see Figure 4-14). ¢• Make sure that the power switch on the new power supply module is switched to off. Also, remove the power cord if connected. >"•mamV At this point, you have direct access to the power bus on the backplane, which carries potentially hazardous voltage.

  • Page 88: Removing A Power Supply Module (Smartcell Zx-250R Only)

    ZX-250r are operational. Because of this, you may be working with a device that is connected to line voltage. Exercise extreme caution when performing this task. s• Turn off the power switch on the power supply module to be removed. ¢• Remove the power supply module’s power cord.

  • Page 89: Figure 4-15 Holding Screw For Power Supply Module

    Q• Grasp the power supply module by its handle, then gently pull the power supply module directly out of the ZX-250 chassis (see Figure 4-16). Figure 4-16 RPS module extraction and replacement Performing Hardware Maintenance SmartCell ZX-250 User Guide 4-43...

  • Page 90: Replacing A Fuse

    Turn the power switch to off, and remove the power cord. ¢• Access the fuse assembly (part of the power plug assembly) in the back of the switch. •• With a flat-blade screw driver, gently pry out the plastic fuse assembly (see Figure 4-17).

  • Page 91: Figure 4-18 Detail Of Fuse Assembly

    Remove the spent fuse from holder (1). Push out the small storage drawer (2) behind the fuse holder, remove the fresh fuse and place in holder. Figure 4-18 Detail of fuse assembly. Q• Replace the fuse assembly by pushing it back into the power plug assembly. Performing Hardware Maintenance SmartCell ZX-250 User Guide 4-45...
  • Page 92 Performing Hardware Maintenance Switch Administration 4-46 SmartCell ZX-250 User Guide...

  • Page 93: Troubleshooting

    Check for connectivity: Try pinging between end nodes and from the SmartCell ZX-250 (using ) to its end nodes. If you cannot ping, check physical connectivity (disconnected cable start ping and so on).

  • Page 94: Troubleshooting Lan Emulation

    You have configured an Emulated LAN and your network applications are not working. Use these questions and tests to help determine the cause of the problem. s• Check for connectivity. Try pinging between end nodes. Ping from the SmartCell ZX-250 (using ) to its end nodes. If you cannot ping, check physical connectivity (disconnected cable start ping and so on).

  • Page 95: Troubleshooting Pnni Links

    TROUBLESHOOTING CONGESTION If the bandwidth of your SmartCell ZX-250 begins to decrease, and if connections are being lost or packets are being dropped at a high rate, it’s possible that your switch is becoming congested. Congestion can occur on the port level, the global switch level, or both levels.

  • Page 96: Diagnosing Congestion

    5.4.2 Global Congestion s• Is the total cell drop rate equal to the Unknown VC cell drop rate? If yes, the switch is improperly set up. Check the switch configuration. If no, this indicates global congestion. Continue. ¢• Set the porttrafficcongestion Guidelines”...

  • Page 97: Port Congestion

    VCs dropped. Is the difference for cells dropped equal to the difference for VCs dropped? If yes, the switch is improperly set up. Check the switch configuration. If no, this indicates port congestion. Continue. ¢•...
  • Page 98 Troubleshooting Congestion Troubleshooting 5-6 SmartCell ZX-250 User Guide...

  • Page 99: Acronyms

    Application Programming Interface Address Resolution Protocol ASCII American Standard Code for Information Interchange Asynchronous Transfer Mode Available Cell Rate Bridged Ethernet Bit Error Ratio (Rate) B-ICI Broadband Inter-Carrier Interface B-ISDN Broadband Integrated Services Digital Network SmartCell ZX-250 User Guide A-1...
  • Page 100 Congestion Indicator Cell Loss Priority Cell Loss Ratio CMIP Common Management Information Protocol Communication Class of Service Customer Premise Equipment Central Processing Unit Cyclic Redundancy Check Cell Relay Service Convergence Sublayer Cell Transfer Delay A-2 SmartCell ZX-250 User Guide Acronyms...
  • Page 101 Explicit Forward Congestion Indicator EISA Extended Industry Standard Architecture ELAN Emulated Local Area Network Electro-Magnetic Interference Enterprise Network Roundtable End of Frame Early Packet Discard EPROM Erasable Programmable Read-Only Memory Electro-Static Device End System Identifier Expansion Switch Module SmartCell ZX-250 User Guide A-3...
  • Page 102 Generic Cell Rate Algorithm Generic Flow Control Header Error Check IEEE Institute of Electrical and Electronic Engineers ICMP Internet Control Message Protocol Identification Number Information Element IETF Internet Engineering Task Force IISP Interim Inter-Switch Signaling Protocol A-4 SmartCell ZX-250 User Guide Acronyms...
  • Page 103 International Telecommunications Union-Telecommunications Standards Sector ISDN Integrated Service Digital Network JPEG Joint Photographic Experts Group KB/S Kilobits per second Local Area Network LANE LAN Emulation LAN Emulation LE-ARP LAN Emulation-Address Resolution Protocol LANE Client LECS LAN Emulation Configuration Server SmartCell ZX-250 User Guide A-5...
  • Page 104 Media Access Control Metropolitan Area Network MB/S Megabits per second Maximum Burst Size Minimum Cell Rate Management Information Base Multi-Mode Fiber Multi-Point Main Switch Module Maximum Transfer Unit NAKS Negative Acknowledges NDIS Network Driver Interface Specification A-6 SmartCell ZX-250 User Guide Acronyms...
  • Page 105 Operations, Administration, Maintenance and Provisioning OC-1 Optical Carrier 1 OC-N Optical Carrier n (where "n" is an integer) Open Data-link Interface Out of Band Open Systems Interconnection Personal Computer Priority Control Peripheral Component Interconnect Peak Cell Rate SmartCell ZX-250 User Guide A-7...
  • Page 106 Quality of Service QSAAL Q-Signaling ATM Adaptation Layer. (Q represents the Q-series of the ITU-T (International Telecommunications Union). Read-Only Access Random Access Memory Routing Control Channel Raw Cell Received Receive Deactivated Request for Comment A-8 SmartCell ZX-250 User Guide Acronyms...
  • Page 107 Synchronous Transport Module n - concatenated (where ‘n' is an integer) Shielded Twisted Pair STS-1 Synchronous Transport Signal 1 STS-N Synchronous Transport Signal n (where ‘n' is an integer) STS-NC Synchronous Transport Signal n - concatenated (where ‘n' is an integer) SmartCell ZX-250 User Guide A-9...
  • Page 108 TFTP Trivial File Transfer Protocol Type, Length and Value Unspecified Bit Rate UNI Management Entity User-Network Interface Unnumbered Poll Usage Parameter Control UTOPIA Universal Test and Operations Physical Interface for ATM Unshielded Twisted Pair A-10 SmartCell ZX-250 User Guide Acronyms...
  • Page 109 VBR/NRT Variable Bit Rate/Non-real Time Virtual Circuit Virtual Channel Connection Virtual Channel Identifier Virtual Channel Link VLAN Virtual LAN Virtual Path Virtual Path Connection Virtual Path Identifier Virtual Private Network Virtual Tributary Wide Area Network SmartCell ZX-250 User Guide A-11...
  • Page 110 Acronyms A-12 SmartCell ZX-250 User Guide...

  • Page 111: Specifications

    APPENDIX B SPECIFICATIONS This appendix contains SmartCell ZX-250 switch hardware, product features, technical specifications, and adapter pin-out descriptions. $•s )832:˜6"2'/ Figure B-1 illustrates the front panel of the SmartCell ZX-250 switch: NO SYNC DATA NO SYNC DATA NO SYNC DATA...

  • Page 112: Front Panel

    Figure B-2 shows the details of a ZX-250r power supply module. 4A, 250V FAST ACTING Holding Screw Power Block Assembly with Fuse Holder Figure B-2 ZX-250r power supply module B-2 SmartCell ZX-250 User Guide Handle ZX-RPS CAUTION: For continued protection against risk of fire, replace only with same type and rating of fuse.

  • Page 113: Technical Specifications

    8 MB Power supplies Single, non-redundant SmartCell ZX-250r i960CF, 33 MHz and R4700 150 mhz 2.5 Gbps, non-blocking < 11 microseconds 8 MB 32 MB 32 K 8 MB Single or dual, hot swappable Technical Specifications SmartCell ZX-250 User Guide B-3...
  • Page 114 Power voltage range 90 to 120 VAC or 200 to 240 VAC Power frequency range 50 to 60 Hz B-4 SmartCell ZX-250 User Guide SmartCell ZX-250r 4.6" x 17.4" x 20.5" 11.4 cm x 43.1 cm x 45.7 cm 37 lbs 14.9 kg...
  • Page 115 Max. Rx Min. Rx Range power power -7 dBm -28 dBm 15 Km -7 dBm -28 dBm 40 Km -14 dBm -31 dBm 2 Km 100 m 150 m to 150 m to 150 m to SmartCell ZX-250 User Guide B-5...

  • Page 116: Table B-10 Rj-45 To Db-9 Adapter (Pc Serial Port Adapter

    SNMPv2c Table B-10 RJ-45 to DB-9 Adapter (PC Serial Port Adapter) RJ-45 Pin RJ-45 Color Blue Green B-6 SmartCell ZX-250 User Guide Supported MIBs MIB II (RFC 1213) Interface Table MIB (RFC 1573) AToM MIB (RFC 1695) AToM2 MIB (pre-standard) LANE MIB (ATM Forum) ILMI 4.0 MIB (ATM Forum)

  • Page 117: Agent Support

    APPENDIX C AGENT SUPPORT This appendix briefly describes the support provided for managing the SmartCell ZX-250 using Simple Network Management Protocol (SNMP). MIB, SMI, MIB FILES AND INTERNET MIB HIERARCHY A MIB (Management Information Base) is the term used to represent a virtual store of management data on a device.

  • Page 118: Zeitnet Cabletron Proprietary Mibs

    The location of some of ZeitNet proprietary MIBs in the Internet hierarchy is shown in Figure C-2. All nodes starting with “zn” represent Zeitnet objects. The private ZeitNet MIB is represented by the object identifier 1.3.6.1.4.1.1295, or iso.org.dod.internet.private.enterprise.zeitnet. The ZeitNet proprietary MIBs include the subtrees shown in Figure C-2. C-2 SmartCell ZX-250 User Guide root joint ISO/CCITT...

  • Page 119: Relation Between Object Identifier And The Represented Value

    LEC. atomMIB Private enterprise ZeitNet 1295 znProducts znManagedObjects znCommonObjs MIB, SMI, MIB Files and Internet MIB Hierarchy Label from the root to this point is 1.3.6.1 znSwitchObjedcts 3333 znAdminPolicyVal znTrapObjs znIpAtm SmartCell ZX-250 User Guide C-3...

  • Page 120: Supported Protocols

    Figure C-3 ZeitNet Cabletron ZX-250 MIB object identifier example C.1.3 Supported Protocols The SmartCell ZX-250 supports Simple Network Management Protocol (SNMP). Both the SNMPv1 and SNMPv2c formats of the protocol are supported. C.1.4 Supported SMI Formats Zeitnet proprietary MIBs are defined using SNMPv2 format of the SMI.

  • Page 121: Smartcell Zx-250 Mib Support

    1.3.6.1.4.1.1295.2.3333.13.2 znEventAlarmTable 1.3.6.1.4.1.1295.2.3333.13.5 C.1.6 SmartCell ZX-250 MIB Support The SmartCell ZX-250 is shipped with the following MIBs: MIB II (RFC 1213) Interface Table MIB (RFC 1573) AToM MIB (RFC 1695) AToM2 MIB (pre-standard) LANE MIB (ATM Forum) ILMI 4.0 MIB (ATM Forum)

  • Page 122: Mib Exceptions

    Along with the MIBs, the diskette also contains a README file and the release note. C.1.7 MIB Exceptions With the current implementation of MIB files, conformance to ATM standards for the SmartCell ZX-250 ATM switch includes the following exceptions. Non-Conformance atmInterfaceIlmiVpi — Read-only atmInterfaceIlmiVci —...

  • Page 123: Managing The Smartcell

    SmartCell ZX-250 and the NMS is the SmartCell ZX-250 Ethernet interface. Use the command to find the IP address of the SmartCell ZX-250. An NMS can use this IP address to reach the SmartCell ZX-250 through Ethernet. An NMS can also manage the SmartCell ZX-250 through one of its ATM ports if the SmartCell ZX-250 has a client connection into a VLAN or emulated LAN.
  • Page 124 Managing the SmartCell ZX-250 Agent Support C-8 SmartCell ZX-250 User Guide...

  • Page 125: Technical Support

    APPENDIX D TECHNICAL SUPPORT This appendix tells you what to do if you need technical support for your SmartCell ZX-250 switch. INTRODUCTION Cabletron offers several support and service programs that provide high-quality support to our customers. For technical support, first contact your place of purchase. If you need additional assistance, contact Cabletron Systems, Inc. There are several easy ways to reach Cabletron Customer Support and Service.

  • Page 126: Hardware Warranty

    Cabletron offers an out-of-warranty repair service for all our products at our Santa Clara Repair Facility. Products returned for repair will be repaired and returned within 5 working days. A product sent directly to Cabletron Systems, Inc. for repair must first be assigned a Return Material Authorization (RMA) number. A product sent to Cabletron Systems, Inc., without an RMA number displayed outside the box will be returned to the sender unopened, at the...

  • Page 127: Index

    4-19 control... 4-17 ...4-19 ... 4-19 ... 4-19 policy... 4-19 ... 4-27 4-27 ... 2-11 ... 4-22 ... 4-23 ... 5-4 ... 5-4 ... 4-22 ... 5-3 ... 2-13 agent... C-7 ... 2-13 ... 2-13 SmartCell ZX-250 User Guide I-1...
  • Page 128 ... 4-22 ELAN ... 3-3 adding an emulated LAN... 3-4 ... 3-6 ATM addressing client ...3-4, ... 3-3 default emulated LAN I-2 SmartCell ZX-250 User Guide events and alarms...3-4 ILMI... LECS...3-4 selector bytes...3-6 switch clients...3-7 ELANs across multiple empty cell ...2-4...
  • Page 129 ... 2-4 PNNI...4-3 troubleshooting ... 5-3 PNNIMetric... 4-7 point-to-multipoint PVCs... 4-12 point-to-point PVCs ... 4-12 ponf... 4-24 power on system test ... 4-27 power specifications... B-4 proprietary MIB groups... C-4 SmartCell ZX-250 User Guide I-3 ... C-7...
  • Page 130 RJ-45 to DB-9 adapter... B-6 RM cells ... 4-22 route metric tags ... 4-6 metrics... 4-6 route administrative weight... 4-7 ... 4-6 incoming I-4 SmartCell ZX-250 User Guide outgoing ...4-6 parallel routes...4-7 parameters ...4-7 PNNIMetrics ...4-7 routing ...4-2 routing considerations routing IP ...4-7...
  • Page 131 4-13 viewing traffic viewing UNI routes ... 4-14 ... 5-4 ... 5-4 ... 5-2 address...4-5 ... 4-21 4-29 ... 4-29 command... 4-29 software... 4-25 software... 4-27 ... 4-28 ... 2-13 ... 4-14 ... 4-5 SmartCell ZX-250 User Guide I-5...
  • Page 132 ZeitNet Cabletron proprietary MIBs ZX-250r redundant power supply ZX-IOM-21-4... 2-3 ZX-IOM-22-4... 2-3 ZX-IOM-29-4... 2-3 ZX-IOM-29-4-IR ... 2-3 ... 2-3 ZX-IOM-29-4-LR ZX-IOM-31-1... 2-3 ZX-IOM-39-1... 2-3 ZX-IOM-39-1-LR ... 2-3 ZX-IOM-67-4... 2-3 ZX-IOM-77-4... 2-3 I-6 SmartCell ZX-250 User Guide ... C-2 ... B-2 Index...

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