Manuale d’uso / di manutenzione del prodotto SFCS-1000 del fabbricante Cabletron Systems
Vai alla pagina of 180
MMAC-Plus ™ 9A000, SFCS-200BX, SFCS-200WG and SFCS-1000 ATM SWITCH User’s Guide.
.
i Notice Notice Cabletron Systems r eserves the right to make changes in specifications and other information contained in this document without prior notice. The reader should in all cases consult Cabletr on Systems to determine whether any such changes have been made.
ii Notice FCC Notice This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference r eceived, including interference that may cause undesir ed operation.
iii T able of Contents Preface T echnical Support....................................................................................................... vii T ypographical Styles.........................................................................
Contents iv 3.2.4.2 SFCS-1000 AC Power Supply (Model A) .................................... 3-12 3.2.4.3 SFCS-1000 AC Power Supply (Model B) .................................... 3-15 3.2.5 SFCS-1000 Fan T ray .........................................
v Contents Chapter 6 Software Upgrade Instructions 6.1 Obtaining the Software Upgrade File via Diskette ......................................... 6-2 6.2 Performing the Software Upgrade .................................................................
Contents vi Appendix C Har dware Specifications C.1.1 SFCS-200WG ............................................................................................ C-2 C.1.2 SFCS-200BX .......................................................................
vii PREF A CE This manual provides technical information needed to install and operate the Cabletron TM 9A000 and SecureFast Cell Switch-200BX A TM Switches. It pro- vides information for the 9A000 and SFCS-200BX switches and the user- installable network modules offering both LAN and W AN interfaces.
viii PREFACE cd /usr <ENTER> Commands or file names that appear within the text of this manual will be repr esented in the following style: “.
ix PREFACE Information contained in NOTE statements has been found important enough to be called to the special attention of the operator and will be set off from the text as follows: NOTE: Cabletron .
x PREFACE Laser W arning Class 1 lasers are defined as pr oducts which do not permit human access to laser radiation in excess of the accessible limits of Class 1 for applicable wave- lengths and durations. These lasers are safe under r easonably foreseeable conditions of operation.
xi PREFACE Safety Agency Compliance This preface pr ovides safety precautions to follow when installing a Cabletron Systems, Inc., pr oduct. Safety Precautions For your protection, observe the following safety pr ecautions when setting up your equipment: • Follow all warnings and instructions marked on the equipment.
xii PREFACE Modifications to Equipment Do not make mechanical or electrical modifications to the equipment. Cabletron Systems, Inc., is not r esponsible for regulatory compliance of a modified product.
1-1 CHAPTER 1 Introduction The Cabletron 9A000 and SFCS series A TM Switch brings A TM connectivity to LAN workgroup, LAN backbone, and LAN/W AN internetworking applica- tions. T ogether with the Cabletron series of A TM Computer Interfaces, the 9A000 and SFCS series meet the networking demands of today’s distributed, time-critical applications.
1-2 Introduction communication) to be switched to multiple destinations by fast A TM switches such as the Cabletron 9A000 and SFCS series (connecting up to 64 workstations with an aggregate capacity of 2.5 Gbps or 96 workstations r unning at 100 Mbps).
1-3 Introduction Figure 1.1 - 9A000 Switch Configuration.
1-4 Introduction Figure 1.2 - SFCS-200BX Switch Configuration 1.2.1 Front Panel Description The front panel of the 9A000 and SFCS series includes the following featur es: a power switch, two power supply LEDs, a RESET button, an RS-232 serial port, an Ethernet 10BaseT port, a NEXT pushbutton, a SELECT pushbutton, a display LED, and a power LED.
1-5 Introduction 1.2.4 Switch Control Processor The i960 switch contr ol pr ocessor provides the distributed connection set-up for a network of A TM switches. The switch control processor primarily pr o- vides management access through SNMP and is responsible for storing and updating all SNMP management information.
1-6 Introduction T able 1.1 - System Hardwar e and Environmental Specifications Features SFCS Series/9A000 Switching Fabric 2.5 Gbps non-blocked T raf fic Policing UNI 3.
1-7 Introduction 1.2.7 Standards Compliance • ITU I.361 A TM Layer • A TM Forum UNI 3.0 1.2.8 Safety Compliance • US: UL 1950 • Canada: CSA 22.2 No. 950-M89 • Europe: EN 60950 1.2.9 Emissions Compliance • FCC Part 15, Class A • CISPR 22, Class A • VCCI, Class 1 1.
1-8 Introduction.
2-1 CHAPTER 2 Installing the 9A000 This chapter contains the procedur es for installing the 9A000. The installation of the SFCS series is covered in Chapter 3. 2.1 Installing the 9A000 T o install the Cabletron 9A000, follow the steps below: 1. Switch off the power supplies and r emove all power from the MMAC-Plus chassis.
2-2 Installing the 9A000 Figure 2.1 - Installing the 9A000 Module 7 F LN K 8 F LN K F LN K 10 F LN K I NS 11 F LN K I NS 12 RX TX RX TX RX Circuit Card Card Guides Metal Back-P anel Jac k for ESD wrist strap W ar ning: Ensure that the circuit card is between the card guides .
2-3 Installing the 9A000 2.2 The Reset Switch The Reset switch is located on the rightmost front panel, under the top plastic tab as shown in Figure 2.2. It serves two functions: • Pressing the r eset switch twice within three seconds causes the pr o- cessor (i960) to reset.
2-4 Installing the 9A000.
3-1 CHAPTER 3 Switch Hardware Cabletron Systems of fers a full line of A TM products that work together to provide a complete A TM network solution. The Cabletron SFCS-200WG A TM switch provide high-performance A TM connectivity for LAN workgroup and desktop applications.
3-2 Switch Hardware 3.1 Switch Hardware Configurations The SFCS-200WG, as shown in Figure 3.1, is a self-contained A TM switch that provides an Ethernet connection for network management access. The SFCS-200WG A TM switch hardware consists of a single switch boar d with an i960 SCP , network modules, and fans.
3-3 Switch Hardware Figure 3.2 - SFCS-200BX Switch Configuration The SFCS-1000, as shown in Figure 3.3, is a self-contained A TM switch that provides an Ethernet connection for network management access.
3-4 Switch Hardware Figure 3.3 - SFCS-1000 Switch Configuration AC V olt. In 110 AC V olt. In C A B D TX1 RX1 TX2 RX2 TX3 RX3 TX4 RX4 TX2 RX2 TX4 RX4 TX3 RX3 RX1 TX1 RX2 TX2 RX3 TX3 RX4 TX4 TX1 RX1 T.
3-5 Switch Hardware 3.2 Switch Hardware Components 3.2.1 Switch Board The switch board (also r eferred to as the “switch fabric”) contains the VPI/ VCI lookup tables and routing cir cuitry to ensure that a cell r eceived from an input port is correctly switched to one or mor e output ports.
3-6 Switch Hardware 3.2.2.1 i960 Switch Control Processor The front panel of an i960 SCP for the SFCS-200WG, SFCS-200BX, and the SFCS-1000 includes the following features: a RESET button, an RS-232 serial port, an Ethernet 10BaseT port, a NEXT pushbutton, a SELECT pushbutton, a display LED, and a power LED.
3-7 Switch Hardware T able 1.1 describes the RS-232 serial port pinouts that are illustrated in Figure 3.5. 3.2.2.1.3 Ethernet 10BaseT Port The Ethernet 10BaseT port on the front panel of the SCP has a standard RJ45 connector . There is a transmit LED to the left of this port and a receive LED to the right of this port.
3-8 Switch Hardware 3.2.2.1.4 CTL Port A control port inside the SCP , referr ed to in the switch software as the CTL port, is a logical (not physical) location where cells that ar e directed to the SCP itself ar e sent. The CTL port has two roles, serving as both a host and a switch board contr oller .
3-9 Switch Hardware 3.2.2.1.8 Power LED The power LED that is located to the right of the display LED on the front panel of the SCP r eflects the current state of power to the SCP . T able 1.4 lists the states of the power LED and their meanings. A power switch is located on the upper right-hand corner of the SFCS- 200WG.
3-10 Switch Hardware For example, according to this notation, the fourth port on a network module in slot B of switch board #2 is port 2B4. Figure 3.6 illustrates how the ports of various network modules, located in switch board #4 of an SFCS-1000, for example, would be number ed.
3-1 1 Switch Hardware 3.2.4 Power Supply Modules The SFCS-200BX and the SFCS-1000 each come with two removable power supply modules. In the event of a single power supply failure, the power sup- ply indicator LED(s) on the front panel of the supplies will indicate the failed supply .
3-12 Switch Hardware 3.2.4.2 SFCS-1000 AC Power Supply (Model A) The model A AC power supply for an SFCS-1000 is shown in Figure 3.7. Figure 3.7 - Model A SFCS-1000 AC Power Supply AC CAUTION: This unit has more than one power cord. T o reduce the risk of electric shock, disconnect two power supply cords b servicing.
3-13 Switch Hardware 3.2.4.2.1 Power Supply LEDs There ar e four LEDs on the front panel of the model A SFCS-1000 AC power supply which indicate the status of the power supply . The LEDs and their functions are described in the following table: T able 3.
3-14 Switch Hardware If a model A power supply goes into shutdown, it will remain shut down until the power switch is turned off and turned on again (power cycle). The power switch must remain of f long enough for the SHUTDOWN LED to extinguish (this allows the capacitors to discharge).
3-15 Switch Hardware 3.2.4.3 SFCS-1000 AC Power Supply (Model B) The model B AC power supply for an SFCS-1000 is shown in Figure 3.8. Figure 3.8 - Model B SFCS-1000 AC Power Supply CAUTION: This unit has more than one power cord. To reduce the risk of electric shock, disconnect tw o power supply cords b servicing.
3-16 Switch Hardware 3.2.4.3.1 Power Supply LEDs There ar e four LEDs on the front panel of the model B SFCS-1000 AC power supply which indicate the status of the power supply . The LEDs and their functions are described in the following table: T able 3.
3-17 Switch Hardware If a model B power supply goes into shutdown, it remains turned of f until the fault condition is rectified. At that point, the power supply restarts itself, except in the case of an overvoltage condition. T o recover fr om a shutdown caused by an overvoltage state, the AC line input must be turned off for at least one second.
3-18 Switch Hardware 3.2.5 SFCS-1000 Fan T ray The SFCS-1000 comes with a removable fan tray . The speed of each fan is monitored by cir cuitry in the CEC, and is available via SNMP . In this manner , the failure of any fan can be detected immediately .
3-19 Switch Hardware 3.2.7 SFCS-1000 Common Equipment Card (CEC) The CEC provided with the SFCS-1000 performs several functions. Because each SCP contains an Ethernet port, a major function of the CEC is to pr ovide a single, unified Ethernet port connection for all of the SCPs.
3-20 Switch Hardware The alarm relay contacts ar e normally closed when there is no power to the switch. The user can attach alarm circuits to these contacts to trigger an exter - nal alarm in the case of an alarm condition on the switch.
3-21 Switch Hardware 3.2.7.3 CEC Status LEDs This subsection discusses the meaning of the status LEDs on the CEC of the SFCS-1000 switch. The LEDs have been designed to provide information per - taining to the state of the switch at a glance. Figure 3.
3-22 Switch Hardware 3.2.7.3.2 Power Supply LEDs There ar e two power supply LEDs on the front panel of the CEC, one for each power supply . The LEDs for the two power supplies should be illuminated yellow , indicating that the CEC is on and that the power supply correspond- ing to that LED is functioning correctly .
3-23 Switch Hardware T able 3.8 - CEC Receive (RX) LED Description T able 3.9 - CEC Link Integrity (LI) LED Description T able 3.10 - CEC Collision (COL) LED Description T able 3.1 1 - CEC Polarity (POL) LED Description LED Color Meaning green The Ethernet port is receiving traf fic normally .
3-24 Switch Hardware.
4-1 CHAPTER 4 Switch Setup This chapter describes how to handle and set up a Cabletron A TM switch prior to its operation. 4.1 Introduction Before installing a Cabletr on A TM switch, there are several important factors that must be taken into consideration, depending on the type of installation site.
4-2 Switch Setup 4.2.1 Inventorying the Unit A complete inventory of the Cabletron A TM switch package should be per- formed before any power is supplied to the unit.
4-3 Switch Setup 4.3 Electrical Considerations The following items should be considered when setting up the switch: CAUTION Consideration should be given to the connec- tion of the equipment to the supply circuit and the effect that the overloading of cir cuits could have on overcurr ent protection and supply wiring.
4-4 Switch Setup 4.4 Rack-Mounting an SFCS-200BX The SFCS-200BX is designed to be installed either as a stand-alone unit placed on the desktop, or as a rack-mounted unit using the included rack-mount kit (refer to section 4.
4-5 Switch Setup 4.4.2 Installing the Rack-mount Brackets T o install the rack-mount brackets and cable relief strain rail, use the follow- ing procedur e: 1. Carefully place the SFCS-200BX unit upside down on a clean, flat, sturdy work surface with the fr ont of the unit still facing front.
4-6 Switch Setup NOTE: The SFCS-200BX is an operational A TM switch at this point if used with other Cabletron switches or with A TM interface cards. However , if other vendor equipment is connected, you may have to complete an ini- tial user configuration.
4-7 Switch Setup 4.5 Rack-Mounting an SFCS-200WG The SFCS-200WG is designed to be installed either as a stand-alone unit placed on the desktop, or as a rack-mounted unit using the optional rack- mount kit (refer to section 4.2.1), which may be pur chased separately .
4-8 Switch Setup 4.5.2 Installing the Rack-mount Brackets T o install the rack-mount brackets and cable relief strain rail, use the follow- ing procedur e: 1. Carefully place the SFCS-200WG unit upside down on a clean, flat, sturdy work surface with the fr ont of the unit still facing front.
4-9 Switch Setup NOTE: The SFCS-200WG is an operational A TM switch at this point if used with other Cabletron switches or with A TM interface cards. However , if other vendor equipment is connected, you may have to complete an ini- tial user configuration.
4-10 Switch Setup 4.6 Rack-Mounting an SFCS-1000 The SFCS-1000 switch is designed to be rack-mounted. The following items should be addressed when rack-mounting this switch: W ARNING! When rack-mounting equipment, make sure that a hazardous condition is not cr eated due to uneven weight distribution.
4-1 1 Switch Setup 4.6.1 Installing the SFCS-1000 T o install the SFCS-1000 in the equipment rack, use the following procedur e: 1. Choose a rack position for the SFCS-1000. W ARNING! Because of the unit’s weight, two people should lift the unit to place it in the equipment rack.
4-12 Switch Setup 4.7 Installing the Serial Cable Connect the serial cable (supplied with the switch) from the switch’s serial port to any tty-type device (such as a terminal, or the serial port of a worksta- tion or PC running a terminal emulation pr ogram).
4-13 Switch Setup 4.8 Modem Configuration All Cabletron A TM switches support modem access. This may be useful if a switch is installed in a remote location wher e direct, physical access to the switch is not possible or practical.
4-14 Switch Setup 4.9 Configuring IP Addresses The recommended configuration for a Cabletr on A TM switch is to assign an IP addr ess to its network interfaces. This allows you to communicate with the switch from any workstation connected to your A TM LAN.
4-15 Switch Setup 4.10 AMI Security The administrative password on your Cabletr on A TM switch may be changed to provide passwor d-protected access to AMI. Cabletron Systems r ecom- mends that you do this to prevent unauthorized users fr om accessing your Cabletron A TM switch.
4-16 Switch Setup 4.12 V erifying the Installation T o verify that your switch is up and running, log in to AMI and open a session on the switch. Enter the following parameters at the localhost::> prompt to show the configuration of all of the ports on an individual switch fabric: configuration port show 4.
5-1 CHAPTER 5 Hardware Maintenance Procedures This chapter discusses various hardwar e maintenance procedur es for the Cabletron A TM switches. Items discussed include the following: • Network Module Replacement • Power Supply Replacement • Fan T ray Replacement • Switch Control Pr ocessor Replacement • Switch Board Replacement 5.
5-2 Hardware Maintenance Procedures 5.1.2 Multicast Mode When hot-inserting or hot-swapping a network module, the mode in which the switch is running must also be consider ed. A Cabletron 200 Series switch can operate in one of two multicast modes: extended mode or non-extended mode.
5-3 Hardware Maintenance Procedures 5.1.3 Hot-swapping Network Modules When removing or r eplacing network modules, use the following procedur e: W ARNING! T o reduce risk to the user and to pr event dam- age to equipment, it is recommended that you use the included grounding strap when han- dling this or any other component.
5-4 Hardware Maintenance Procedures 5.2 Power Supply Module Replacement The power supplies in the SFCS-200BX and the SFCS-1000 are hot-swappable, meaning that they can be removed/r eplaced without having to shut down the switch. W ARNING! DO NOT attempt to replace a power supply module without reading this section.
5-5 Hardware Maintenance Procedures W ARNING! Failure to perform Step 2 can r esult in serious injury to the user or damage to the equipment. 2. T urn OFF the power switch on the front of the defective power supply . 3. Unplug and remove the power cor d from the r ear of the unit that corresponds to the failed supply .
5-6 Hardware Maintenance Procedures 5.2.2 SFCS-1000 Power Supply Module Replacement 5.2.2.1 Replacing an SFCS-1000 AC Power Supply (Model A) A model A AC power supply module for an SFCS-1000 is shown in Figur e 3.2. Figure 5.2 - Model A SFCS-1000 AC Power Supply AC CAUTION: This unit has more than one power cord.
5-7 Hardware Maintenance Procedures The procedur e for hot-swapping a model A SFCS-1000 AC power supply is as follows: W ARNING! A r eplacement DC power supply should never be placed in an SFCS-1000 that already contains an AC power supply , and vice-versa.
5-8 Hardware Maintenance Procedures W ARNING! Failur e to perform Steps 6 or 7 can result in serious injury to the user or damage to the equipment. 6. Ensure that the power switch on the new power supply is turned OFF before inserting it into the enclosur e.
5-9 Hardware Maintenance Procedures 5.2.2.2 Replacing an SFCS-1000 AC Power Supply (Model B) A model B AC power supply module for an SFCS-1000 is shown in Figure 3.3. Figure 5.3 - Model B SFCS-1000 AC Power Supply CAUTION: This unit has more than one power cord.
5-10 Hardware Maintenance Procedures The procedur e for replacing a model B SFCS-1000 AC power supply module is as follows: W ARNING! A r eplacement DC power supply should never be placed in an SFCS-1000 that already contains an AC power supply , and vice-versa.
5-1 1 Hardware Maintenance Procedures 5. Pull forward on the power supply’s handle (located below the power switch and AC plug) to remove it fr om the chassis. 6. Set the failed supply aside and prepar e to install the new one. W ARNING! Failur e to perform Steps 7 or 8 can result in serious injury to the user or damage to the equipment.
5-12 Hardware Maintenance Procedures 5.3 SFCS-1000 Fan T ray Replacement The SFCS-1000 has a removable fan tray with lar ge fans that cool the switch hardwar e and power supply modules.
5-13 Hardware Maintenance Procedures 5.4 Switch Control Processor Replacement The following procedur e explains how to remove an i960 switch contr ol processor (SCP) fr om a switch fabric and install a new SCP . W ARNING! It is highly r ecommended that you use the included grounding strap when handling this or any other component.
5-14 Hardware Maintenance Procedures CAUTION T ake care to pr operly align the SCP in the car d guides in the following step. 4. Insert the new SCP into the switch fabric by sliding it into the car d guides. 5. Push firmly to seat the SCP so that its faceplate is flush with the front panel of the switch boar d.
5-15 Hardware Maintenance Procedures 5.5 Switch Board Replacement The switch boards in the SFCS-1000 ar e hot-swappable, meaning that they can be removed and r eplaced with the chassis under power .
5-16 Hardware Maintenance Procedures NOTE: T o ensure that the switch will work with the previously established network configuration, the relative position of the network modules must not change when you transfer them to the new fabric.
5-17 Hardware Maintenance Procedures CAUTION Make sure the r eplacement board is pr operly aligned in the slot in the next step. 6. Carefully slide the r eplacement board into the chassis using enough force to ensur e that the connectors on the board mate with the connectors in the chassis.
5-18 Hardware Maintenance Procedures.
6-1 CHAPTER 6 Software Upgrade Instructions This chapter details the steps necessary to upgrade the software on your Cabletron A TM switch. Some instructions in this chapter ar e only necessary under .
6-2 Software Upgrade Instructions 6.1 Obtaining the Software Upgrade File via Diskette Using the Cabletron Systems distribution diskettes, the upgrade softwar e must be installed on a workstation attached (via Ethernet or A TM) to the SCP being upgraded.
6-3 Software Upgrade Instructions Execute the f ore_extract script with the following command: ./fore_e xtract <device> Once again, < device> is the block device name of the floppy drive. Y ou will be asked to insert the remaining disks in sequence.
6-4 Software Upgrade Instructions 6.2 Performing the Software Upgrade T o perform the software upgrade, you will use the oper ation upgrade com- mand in AMI.
6-5 Software Upgrade Instructions NOTE: If you obtained the upgrade file via ftp, full path to remotefile is the name of the uncompressed file. If you obtained the file from diskette, full path to remotefile is the path name printed during extraction.
6-6 Software Upgrade Instructions T o use the new version of software that you have just loaded, type y and pr ess <ENTER> or simply press <ENTER> to r eboot. Reboot the switch[y]? y Once the SCP r eboots, you will be closed out of all active sessions on the SCP .
6-7 Software Upgrade Instructions 6.3 Changing between Multiple V ersions of Software It is possible to select between multiple versions of installed software at any time (not just during an upgrade procedur e). Y ou can display all the versions that are installed by typing the following: localhost::operation flash> dir FT330.
6-8 Software Upgrade Instructions At this point, the switch is still running FT330.35 , but CURRENT is pointing to FT340.11 . T o make the change complete, enter the following: localhost::operation> reboot Are you sure you want to reboot this switch [n]? y When the SCP r eboots, it will look to see which version that CURRENT is spec- ifying.
6-9 Software Upgrade Instructions 6.4 Using bootp to Download Software to the Switch NOTE: Section 6.5 needs to be performed only if your SCP fails to boot fr om its FLASH.
6-10 Software Upgrade Instructions Before any of the above changes can take ef fect, inetd must re-r ead the config- uration file. NOTE: If you need to set up a tftpboot server , as described in Section 6.5.4, the following pro- cess is not necessary at this time.
6-1 1 Software Upgrade Instructions NOTE: Make sure the last line added to bootptab ends in a colon (:) and not a backslash (). Otherwise, that line will merge with the next entry , causing your switch to cycle in its attempts to find a bootp server .
6-12 Software Upgrade Instructions 6.4.4 Setting Up a tftpboot Server T o set up a tftpboot server , on a SunOS 4.1.x system, perform the following steps: NOTE: This procedur e only has to be done the first time that the switch is turned on and each SCP is upgraded.
A-1 APPENDIX A T roubleshooting The troubleshooting tests detailed in this appendix will clearly indicate and identify the most common problems in establishing A TM networks. There- fore, befor e calling Cabletron Systems’ T echnical Support, perform these tests to correct or at least pinpoint the pr oblem.
A-2 Troubleshooting Figure A.1 - Adapter Hardwar e T roubleshooting Flowchart y y Call Cabletron. n Is fiber bad? Change fiber . y n n n Self-test y Firmware download y Call Cabletron. y Call Cabletron. T est the Looptest y n software as in Figure A.
A-3 Troubleshooting A.1.1 Run Looptest T o determine if an interface is functioning properly , run the looptest utility on a host that has been disconnected and isolated from the network.
A-4 Troubleshooting A.1.2 Check Self-T est (Automatically Performed) During a system boot, the A TM adapter automatically performs a self-test of the hardwar e, running a low-level diagnostic which checks memory read/write capability .
A-5 Troubleshooting A.1.4 Hardware Detected by Driver T o determine if the driver software on the host has detected the pr esence of an A TM adapter board, issue the following command once the host system has come up completely: netstat -i If the driver has located the A TM board, the screen output shows f a0 in response to the netstat command.
A-6 Troubleshooting A.1.5 Check Firmware T o check whether or not the firmware is running corr ectly , issue the following command: atmstat fa0 1 In this command, the last parameter “1”, causes the command to be repeated at one-second intervals.
A-7 Troubleshooting A.1.6 Check Physical Link T o see the carrier state of the board, issue the following command: atmstat -d fa0 The -d option displays device statistics in the following format: Devi.
A-8 Troubleshooting A.2 T esting Network Connectivity Using PVCs The network connectivity tests requir e that two A TM adapters be connected to an A TM switch fabric with PVCs (as shown in Figure A.2). The carrier lights should be extinguished on the adapters and on the switch fabric, indi- cating that the fibers are OK.
A-9 Troubleshooting Figure A.3 - Networking Connectivity Using PVCs Call Cabletron. V erify outgoing A TM ARP cache entry? Run atmarp -a. n y Create an outgoing A TM ARP cache entry . Run atmarp -s. Run atmstat fa0 on remote end when continuously pinging.
A-10 Troubleshooting This test sequence requir es that the switch fabric be configured with a valid PVC and the endstations to have the proper IP configuration and A TM ARP cache entries. The tests in Figure A.3 assume that there is no IP connectivity between the two endstations.
A-1 1 Troubleshooting A.2.1 V erifying the Outgoing A TM ARP Entry T o verify the outgoing A TM ARP cache entry for the endstation originating the ping, enter the following command on the host: atmarp -a The following is an example of a typical A TM ARP cache display: Outgoing connections: fa0: ws2-atm (198.
A-12 Troubleshooting A.2.2 atmstat T o determine a particular failure state, enter the following command on the remote workstation while continuously pinging: atmstat fa0 1 PHY/ATM/AAL statistics: Out.
A-13 Troubleshooting A.2.2.1 No Cells Received by Remote End If no cells are r eceived by the remote end (the Input A TM Cells field displays zero), then r un the following command on the local machi.
A-14 Troubleshooting A.2.2.4 Cells and No Errors Received by Remote and T ransmitting No Cells If the remote workstation is r eceiving cells with no errors, but is not transmit- ting any cells, then either the outgoing IP addr ess on the remote end is incor - rect or the IP encapsulation does not match on both ends.
A-15 Troubleshooting A.3 Collecting Additional Information Once basic adapter installation and network connectivity have been tested, this section explains how to obtain all of the additional information that you need to have ready befor e calling Cabletron Systems T echnical Support.
A-16 Troubleshooting NOTE: The assumed adapter name in the examples is fa 0 . On your particular system, the adapter may have a differ ent designation. T o check the name of your adapter , use the command: netstat -in. uname -a IRIX beluga 5.3 11091812 IP22 mips ifconfig fa0 fa0: flags=863<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST> inet 198.
A-17 Troubleshooting netstat -in Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll ec0 1500 192.88.243 192.88.243.171 1173050 39926 509363 0 107115 fa0 9188 198.29.38 198.29.38.206 0 0 0 0 0 qaa0 9180 198.29.22 198.29.22.206 0 0 0 0 0 qaa1*9180 none none 0 0 0 0 0 qaa2*9180 none none 0 0 0 0 0 qaa3*9180 none none 0 0 0 0 0 lo0 8304 127 127.
A-18 Troubleshooting A.3.3 Switch Information On the host, at a command line, type the following commands and note the responses: • atmstat fa 0 command • netstat -ai command • asxmon command .
A-19 Troubleshooting asxmon <switch_name> ASX-200 switch up 3:35, 17 ports (9 active), software 2.3.5, hardware 1.1 port name uptime VPs/max VCs/max Kb/s free max total Mb B1 198.29.22.34 2:57 1/1 5/5 0 0 140000 847 B2 198.29.22.18 3:35 1/1 3/3 0 0 140000 141 C1 198.
A-20 Troubleshooting The following commands are r un by logging in to AMI and opening a session on the switch fabric. Enter the following parameters at the prompt for the type of network modules that .
A-21 Troubleshooting configuration uni30 show Port VPI State ILMI UNIside Type OperType RemoteAddress 1C1 0 down down network auto privateUNI 1C2 0 down down network auto privateUNI 1C3 0 down down network auto privateUNI 1C4 0 down up network auto privateUNI 169.
A-22 Troubleshooting configuration port ds1 show Port Carrier Status Mode Framing Loopback ClockSource LineLength IdleCells 1C1 no 0x60 hcs ESF none internal Lt110 unassigned 1C2 no 0x60 hcs ESF none internal Lt110 unassigned configuration port sonet show Port Width Carrier Status Line Mode Loopback ClockSource Scramb.
B-1 APPENDIX B SCP Diagnostics The tests provided in this section ar e very specific diagnostics that are only to be run if you have determined that ther e is a problem with your SCP . The diagnostics for the SFCS-200WG, SFCS-200BX, and SFCS-1000 are described first.
B-2 SCP Diagnostics B.1.1 Accessing the Monitor Mode T o access the Monitor mode on an i960 SCP to run these tests, perform the fol- lowing steps: 1. Soft boot the SCP by pr essing the RESET button on the front panel of the SCP .
B-3 SCP Diagnostics do [offset] - download using Xmodem ps [address] - single step through program, skipping procedure calls st [address] - single step through program go [address] - go from start, or.
B-4 SCP Diagnostics B.1.2 Running the Hardware T ests This last portion from the displayed list is the gr oup of hardwar e tests that the user can run on the SCP: test-clock - test Real Time Clock tes.
B-5 SCP Diagnostics B.1.2.3 DRAM Chip T est This test checks the functionality of a DRAM chip. It takes about two seconds to run. =>test-dc a DRAM chip: OK B.1.2.4 Ethernet T est This test checks the functionality of the Ethernet chip. It takes about two sec- onds to run.
B-6 SCP Diagnostics . . Erase Chip Pattern 1 Erase Chip Pattern 2 Erase Chip Pattern 3 Flash: OK B.1.2.6 FLASH Chip T est This test checks the functionality of an individual FLASH chip. It takes about one and a half minutes to run. NOTE: It is recommended that you back up your CDB before r unning this test.
B-7 SCP Diagnostics B.1.2.7 Serial Port T est This test checks the serial port’s functionality . It takes about two seconds to run. => test-serial Serial: OK B.1.2.8 SRAM T est This test checks the SRAM’s functionality . It takes about two seconds to r un.
B-8 SCP Diagnostics B.1.2.1 1 Complete Hardware T est This series of tests checks the functionality of all of the hardwar e devices, in the SCP including the FLASH chips and SRAM. It takes about six minutes to run. NOTE: It is recommended that you back up your CDB before r unning this test.
C-1 APPENDIX C Hardware Specifications This appendix provides information about the har dware for all of Cabletr on Systems’ A TM products. Information provided includes fiber -optic and UTP cabling specifications; pinout specifications; and hardwar e and general oper- ating specifications.
C-2 Hardware Specifications C.1.1 SFCS-200WG The SFCS-200WG A TM switch has the following specifications: Features Specification Switching Fabric 2.5 Gbps, non-blocking Number of Ports 12 to 24 port.
C-3 Hardware Specifications C.1.2 SFCS-200BX The SFCS-200BX A TM switch has the following specifications: Features Specification Switching Fabric 2.5 Gbps, non-blocking Number of Ports 2 to 24 ports.
C-4 Hardware Specifications C.1.3 SFCS-1000 The SFCS-1000 A TM switch has the following specifications: Features Specification Switching Fabric 10 Gbps, non-blocking Number of Ports 2 to 96 ports T .
C-5 Hardware Specifications C.2 A TM Network Modules The LAN and W AN network modules are the physical A TM port interface cards that pr ovide LAN/W AN connectivity to other A TM switches, A TM- compatible desktop computers and servers, hubs, routers, multiplexers, and carrier A TM services.
C-6 Hardware Specifications C.2.2 155 Mbps OC-3c/STM-1 MM Module The following specifications apply to network modules NM-4/155MMSCC and NM-4/155MMSTC: Description Specification Port Capacity Four SONET/SDH ports per module Data Rate 155.52 Mbps Output Buffer 13,312 cell capacity Media Multimode fiber Max.
C-7 Hardware Specifications C.2.3 155 Mbps STS-3c/STM-1 UTP Module The following specifications apply to network modules NM-4/155UTP5EC and NM-4/155UTP5C: Description Specification Port Capacity Four SONET/SDH ports per module Data Rate 155.52 Mbps Output Buffer 2,560 or 13,312 cell capacity Media Category 5 Unshielded T wisted Pair (UTP) Max.
C-8 Hardware Specifications C.2.3.1 155 Mbps UTP Pinout Specifications 155 Mbps UTP network modules have a standar d RJ-45 female connector and use RJ-45 network equipment pinouts as illustrated in the table below: C.
C-9 Hardware Specifications C.2.4 622 Mbps OC-12c/STM-4c MM Module The following specifications apply to network module NM-1/622MMSCC and NM-1/622MMSTC: Description Specification Port Capacity One SONET/SDH port per module Data Rate 622.08 Mbps Output Buffer 13,312 cell capacity Media Multimode fiber Max.
C-10 Hardware Specifications C.2.5 25 Mbps TP25 Module The following specifications apply to network module NM-6/25UTPEC: Description Specification Port Capacity Six TP25 ports per module Data Rate 25.6 Mbps Output Buffer 2,560 cell capacity Media Cat.
C-1 1 Hardware Specifications C.2.5.1 Connecting Switches with TP25 Network Modules The TP25 network modules have a standard RJ45 connector that uses pins 1, 2, 7 and 8. When connecting switches using TP25 network modules, you will need to use a UTP cr ossover cable with the following specification: • Pin 1 to pin 7 in both directions.
C-12 Hardware Specifications C.2.5.3 Connecting Adapters with T oken Ring Pinouts to Cabletron Switches Like switches, some adapters use differ ent pin assignments than those men- tioned before. Connecting one of these adapters to a Cabletr on Switch would requir e the connections to be mapped as follows: • Pin 3 to pin 1 in both directions.
C-13 Hardware Specifications C.2.6 34 Mbps E3 Module The following specifications apply to network modules NM-2/E3C and NM-4/E3C: Description Specification Port Capacity T wo or four E3 ports per module Data Rate 34.368 Mbps Output Buffer 13,312 cell capacity Media Coaxial Max.
C-14 Hardware Specifications C.2.7 45 Mbps DS3 Module The following specifications apply to network modules NM-2/DS3C and NM-4/DS3C: Description Specification Port Capacity T wo or four DS3 ports per module Data Rate 44.736 Mbps Output Buffer 13,312 cell capacity Media Coaxial Max.
C-15 Hardware Specifications C.2.8 155 Mbps OC-3c/STM-1 SM Module The following specifications apply to network modules NM-4/155SMSRC and NM-4/155SMLRC: Description Specification Port Capacity Four SONET/SDH ports per module Data Rate 155.52 Mbps Output Buffer 13,312 cell capacity Media Short or long reach single mode fiber Max.
C-16 Hardware Specifications C.2.9 155 Mbps OC-3c/STM-1 3MM/1SM Module The 155 Mbps OC-3c/STM-1 3MM/1SM network module contains one SONET/SDH single mode port (port 4) and three SONET/SDH multimode ports (ports 1, 2, and 3) per module.
C-17 Hardware Specifications The following specifications apply to ports 1, 2, and 3 on network modules NM-4/155SR3SCC and NM-4/155LR3SCC: Description Specification Data Rate 155.52 Mbps Output Buffer 13,312 cell capacity Media Multimode fiber Max.
C-18 Hardware Specifications C.2.10 622 Mbps OC-12c/STM-4c SM Module The following specifications apply to network module NM-1/622SMIRC: Description Specification Port Capacity One SONET/SDH port per module Data Rate 622.08 Mbps Output Buffer 13,312 cell capacity Media Single mode fiber Max.
C-19 Hardware Specifications C.3 A TM Adapters The family of A TM adapters provides a flexible A TM interface for the commu- nications needs of today’s high-speed workstations and personal computers.
C-20 Hardware Specifications C.3.1.2 UTP Cable Specifications The table below lists the recommended cable specifications for all Cabletr on A TM adapters that use UTP cabling to ensure optimal adapter and switch performance.
C-21 Hardware Specifications C.3.2 ESA-200PC T echnical Specifications The ESA-200PC A TM Adapter pr ovides A TM connectivity to EISA-based PCs and servers, and has the following specifications: Har.
C-22 Hardware Specifications C.3.3 PCA-200PC T echnical Specifications The PCA-200PC A TM Adapter pr ovides A TM connectivity to PCI-based PCs and servers, and has the following specifications: Hard.
C-23 Hardware Specifications C.3.4 PCA-200MAC T echnical Specifications The PCA-200MAC A TM Adapter pr ovides A TM connectivity to PCI-based Apple Power Macintoshes, and has the following specificat.
C-24 Hardware Specifications C.3.5 NBA-200 T echnical Specifications The NBA-200 A TM Adapter pr ovides A TM connectivity to 68040-based Mac- intosh workstations and servers with full-size NuBus slot.
C-25 Hardware Specifications C.3.6 GIA-200 T echnical Specifications The GIA-200 A TM Adapter pr ovides A TM connectivity to Silicon Graphics Indy and Indigo (R3K, R4K, and Challenge S supported) wor.
C-26 Hardware Specifications C.3.7 HP A-200 T echnical Specifications The HP A-200 A TM Adapter pr ovides A TM connectivity to the following machines: HP9000/715, HP9000/720, HP9000/725, HP9000/730, .
C-27 Hardware Specifications C.3.8 MCA-200 T echnical Specifications The MCA-200 A TM Adapter pr ovides A TM connectivity to MicroChannel- based workstations, PCs, and servers, and has the following .
C-28 Hardware Specifications C.3.9 SBA-200 T echnical Specifications The SBA-200 A TM Adapter pr ovides A TM connectivity to Sun Microsystems’ SP ARC 1, 1+, 2, 10, 20, 630 MP , 670 MP , 690 MP , SP.
C-29 Hardware Specifications C.3.10 ESA-200 T echnical Specifications The ESA-200 A TM Adapter pr ovides A TM connectivity to EISA-based work- stations, PCs, and servers, and has the following speci.
C-30 Hardware Specifications C.3.1 1 VMA-200 T echnical Specifications The VMA-200 A TM Adapter pr ovides A TM connectivity to Crimson, Onyx, Challenge XL, Challenge L, and Power Challenge machines, .
C-31 Hardware Specifications.
C-32 Hardware Specifications.
g-1 GLOSSAR Y 802.1d Spanning T ree Bridging - the IEEE standar d for bridging; a MAC layer standard for transpar ently connecting two or more LANs (often called subnetworks) that are r unning the same protocols and cabling. This arrange- ment creates an extended network, in which any two workstations on the linked LANs can share data.
g-2 GLOSSARY work module hardwar e and software, IP connectivity , and SNMP network management. ANSI (American National Standards Institute) - a private organization that coordinates the setting and appr oval of some U.S. standards. It also r epre- sents the United States to the International Standards Or ganization.
g-3 GLOSSARY A TM Peer-to-Peer Connection - a virtual channel connection (VCC) or a vir - tual path connection (VPC) directly established, such as workstation-to-work- station.
g-4 GLOSSARY a common protocol. Bridges can usually be made to filter certain packets (to forward only certain traf fic). Broadband - a service or system requiring transmission channels capable of supporting rates greater than the Integrated Services Digital Network (ISDN) primary rate.
g-5 GLOSSARY Cell Header - A TM Layer protocol control information. Cell T ransfer Delay - the transit delay of an A TM cell successfully passed between two designated boundaries.
g-6 GLOSSARY DIP Switch (Dual In-line Package) - a device that has two parallel rows of contacts that let the user switch electrical current thr ough a pair of those con- tacts to on or off. They ar e used to reconfigur e components and peripherals. Domain Name Server - a computer that converts names to their correspond- ing Internet numbers.
g-7 GLOSSARY EPROM - Erasable Programmable Read Only Memory (See PROM.) ES (End System) - a system in which an A TM connection is terminated or ini- tiated. An originating end system initiates the A TM connection, and a termi- nating end system terminates the A TM connection.
g-8 GLOSSARY FT -PNNI ( ForeThought PNNI) - a FORE Systems r outing and signalling pro- tocol that uses private A TM (NSAP) addresses; a precursor to A TM Forum PNNI (see PNNI). ftp (File T ransfer Protocol) - a TCP/IP protocol that lets a user on one com- puter access, and transfer data to and from, another computer over a net- work.
g-9 GLOSSARY ICMP (Internet Control Message Protocol) - the protocol that handles err ors and control messages at the IP layer . ICMP is actually a part of the IP pr otocol layer . It can generate error messages, test packets, and informational mes- sages related to IP .
g-10 GLOSSARY In a Class A network, the first of the numbers is the network number , the last three numbers ar e the local host address. In a Class B network, the first two numbers are the network, the last two ar e the local host address.
g-1 1 GLOSSARY ISDN (Integrated Services Digital Network) - an emerging technology that is beginning to be offer ed by the telephone carriers of the world.
g-12 GLOSSARY LECS (LAN Emulation Configuration Server) - the LECS is responsible for the initial configuration of LECs. It provides information about available ELANs that a LEC may join, together with the addresses of the LES and BUS associated with each ELAN.
g-13 GLOSSARY MicroChannel - a proprietary 16- or 32-bit bus developed by IBM for its PS/2 computers’ internal expansion cards; also of fered by others. MTU (Maximum T ransmission Unit) - the lar gest unit of data that can be sent over a type of physical medium.
g-14 GLOSSARY OSI (Open Systems Interconnection) - the 7-layer suite of protocols designed by ISO committees to be the international standard computer net- work architectur e. OSPF (Open Shortest Path First) Protocol - a routing algorithm for IP that incorporates least-cost, equal-cost, and load balancing.
g-15 GLOSSARY Physical Layer (PHY) Connection - an association established by the PHY between two or more A TM-entities. A PHY connection consists of the concat- enation of PHY links in or der to provide an end-to-end transfer capability to PHY SAPs.
g-16 GLOSSARY Proxy - the process in which one system acts for another system to answer protocol r equests. Proxy Agent - an agent that queries on behalf of the manager , used to monitor objects that are not dir ectly manageable. PSN (Packet Switched Network) - a network designed to carry data in the form of packets.
g-17 GLOSSARY SAR (Segmentation And Reassembly) - the SAR accepts PDUs from the CS and divides them into very small segments (44 bytes long). If the CS-PDU is less than 44 bytes, it is padded to 44 with zeroes. A two-byte header and trailer are added to this basic segment.
g-18 GLOSSARY SNAP - SubNetwork Access Protocol SNMP (Simple Network Management Protocol) - the Internet standard pr o- tocol for managing nodes on an IP network.
g-19 GLOSSARY Switched Connection - a connection established via signalling. Symmetric Connection - a connection with the same bandwidth value speci- fied for both directions. Synchronous - signals that are sour ced from the same timing r eference and hence are identical in fr equency .
g-20 GLOSSARY trap - a program interr upt mechanism that automatically updates the state of the network to remote network management hosts. The SNMP agent on the switch supports these SNMP traps. UBR (Unspecified Bit Rate) - a type of traffic that is not consider ed time-criti- cal (e.
g-21 GLOSSARY VINES (V irtual Network Software) - Banyan’s network operating system based on UNIX and its protocols. V irtual Channel Switch - a network element that connects VCLs. It termi- nates VPCs and translates VCI values. The V irtual Channel Switch is directed by Control Plane functions and r elays the cells of a VC.
g-22 GLOSSARY.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cabletron Systems SFCS-1000 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cabletron Systems SFCS-1000 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cabletron Systems SFCS-1000 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cabletron Systems SFCS-1000 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cabletron Systems SFCS-1000, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cabletron Systems SFCS-1000.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cabletron Systems SFCS-1000. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cabletron Systems SFCS-1000 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
