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Contentsviii FastNET 10 User Guide APPENDIX A TECHNICAL SPECIFICATIONS A.1 FN10 Specifications ...

Chapter 5: FN10 FiltersPage 5-20 Fast Network 10 User GuideComplete the following steps to configure a Port filter. To accept a default value, press the

Configuring a Port FilterFast Network 10 User Guide Page 5-219. Select whether the filter will use a destination range of MAC addresses.NA is the defau

Chapter 5: FN10 FiltersPage 5-22 Fast Network 10 User Guide18. Enter the field value.19. Enter the field mask. 20. Select the operator.Or is the defau

Filtering and Performance ConsiderationsFast Network 10 User Guide Page 5-235.5.2 Deleting a Port FilterTo delete a Port filter, at the LCM prompt:1. T

Chapter 5: FN10 FiltersPage 5-24 Fast Network 10 User Guide

Fast Network 10 User Guide Page 6-1CHAPTER 6FN10 DIAGNOSTICS AND TROUBLESHOOTINGThe FN10 incorporates several built-in diagnostic and testing capabili

Chapter 6: FN10 Diagnostics and TroubleshootingPage 6-2 Fast Network 10 User Guide6.1.1 Power-up LED SequenceWhen you power-up the FN10, the following

Responses to Failures at Power-upFast Network 10 User Guide Page 6-36.1.3 Software Checksum ComparisonWhen the FN10 reboots, its operational software

Chapter 6: FN10 Diagnostics and TroubleshootingPage 6-4 Fast Network 10 User Guide6.3.1 Loopback TestsBuilt-in local and remote loopback tests can be

Status and Activity IndicatorsFast Network 10 User Guide Page 6-5Figure 6-1 FN10 Front Panel LEDsX2X3X4X 5X6X 7X8X9X10X11X12X13X14X15X 16X17X 18X19X20

Fast Network 10 User Guide Page 1-1 CHAPTER 1INTRODUCTION 1.1 ABOUT THIS MANUAL This manual is for system administrators responsible for configuring,

Chapter 6: FN10 Diagnostics and TroubleshootingPage 6-6 Fast Network 10 User GuideTable 6-2 describes the FN10 buttons.Table 6-1 Meaning of FN10 LEDsL

TroubleshootingFast Network 10 User Guide Page 6-76.5 TROUBLESHOOTINGThis section lists several situations that could happen while using the FN10, and

Chapter 6: FN10 Diagnostics and TroubleshootingPage 6-8 Fast Network 10 User Guide6.5.3 FN10 Has Rebooted• Use the LCM ident command to check the FN10

Fast Network 10 User Guide Page A-1APPENDIX ATECHNICAL SPECIFICATIONSA.1 FN10 SPECIFICATIONSPhysical Height 1.75 in (4.45 cm) (1 u)Width 17 in (43.18

Appendix A: Technical SpecificationsPage A-2 Fast Network 10 User GuideBridging Technologies• IEEE 802.1 Part D• IEEE802.2 (Logical Link Control)• IEEE

Serial Cable Pin AssignmentsFast Network 10 User Guide Page A-3A.2 SERIAL CABLE PIN ASSIGNMENTSFor a PC running a Windows terminal connected to the RS

Appendix A: Technical SpecificationsPage A-4 Fast Network 10 User GuideA.4 STRAIGHT-THROUGH WIRINGIf the twisted-pair link segment is to join two ports

Crossover WiringFast Network 10 User Guide Page A-5A.5 CROSSOVER WIRINGTwo FN10s can communicate only if the transmitter on one unit is connected to t

Appendix A: Technical SpecificationsPage A-6 Fast Network 10 User Guide

Appendix B: GlossaryFast Network 10 User Guide Page B-1APPENDIX BGLOSSARYaddressA set of characters that uniquely identifies a station, peripheral devi

Chapter 1: Introduction Page 1-2 Fast Network 10 User Guide • Chapter 5, FN10 Filters , describes FN10 filtering and provides specific examples of ho

Appendix B: GlossaryPage B-2 Fast Network 10 User GuideAUI (attachment unit interface) A standard connector type used for Ethernet connections.backbon

Appendix B: GlossaryFast Network 10 User Guide Page B-3concentratorA device that provides attachment points for stations that are not connected to the

Appendix B: GlossaryPage B-4 Fast Network 10 User GuideEIA (Electronic Industries Association)Organization that sets standards for electrical interfac

Appendix B: GlossaryFast Network 10 User Guide Page B-5full wire speedRefers to packet forwarding at the maximum rate at which data can be transmitted

Appendix B: GlossaryPage B-6 Fast Network 10 User GuideinternetworkingThe linking of one or more networks to facilitate communication across networks.

Appendix B: GlossaryFast Network 10 User Guide Page B-7local trafficTraffic within a given network segment.MAC (media access control)The data link layer

Appendix B: GlossaryPage B-8 Fast Network 10 User GuidepacketA group of bits including data and control elements arranged in a specific format that are

Appendix B: GlossaryFast Network 10 User Guide Page B-9RARP (reverse address resolution protocol)A protocol that binds MAC addresses to specific IP add

Appendix B: GlossaryPage B-10 Fast Network 10 User Guidesynchronous transmissionA transmission technique in which an uninterrupted block of data is tr

Fast Network 10 User Guide Index-1INDEXNumerics10BASE-T pin assignments A-35 - 4 - 3 rule A-5802.1D Spanning Tree 3-9Aaddingfilters 5-20IP addresses 3

Document ConventionsFast Network 10 User Guide Page 1-3 1.3 DOCUMENT CONVENTIONS The following conventions are used throughout this document:LCM comm

IndexIndex-2 Fast Network 10 User Guideoverview 6-1power-up 2-6, 6-1disablingbridging functions 3-6ports 4-15trunking 3-9displayingbaud rate 4-19bridg

IndexFast Network 10 User Guide Index-3bridge 3-5community 3-15, 4-18disable 4-15enable 4-16erase 3-2exit 1-19ident 4-14ipaddr 3-4, 4-13logout 1-19reb

IndexIndex-4 Fast Network 10 User GuideSNMP statistics 4-2, 4-7source range 5-7Spanning Tree algorithm 1-8specificationselectrical A-1physical A-1stat

Chapter 1: Introduction Page 1-4 Fast Network 10 User Guide 1.4 RELATED DOCUMENTATION The following documentation may assist the user in using this

OverviewFast Network 10 User Guide Page 1-5 . Figure 1-1 FN10 Front PanelsFigure 1-2 FN10 Rear Panel with the Optional Fast Ethernet Ports The FN10:•

Chapter 1: Introduction Page 1-6 Fast Network 10 User Guide • Implements the Spanning Tree protocol (802.1d).• Configured with factory-set defaults f

OverviewFast Network 10 User Guide Page 1-7 Media Access Control (MAC) sub-layer of the Data Link layer. Figure 1-3 shows the OSI Reference Model. Fi

Chapter 1: Introduction Page 1-8 Fast Network 10 User Guide forwards the packet to the network segment associated with that destination address. How

OverviewFast Network 10 User Guide Page 1-9 automatically reconfigured by the Spanning Tree protocol to create an alternate path to the LAN. 1.5.2 FN1

Chapter 1: Introduction Page 1-10 Fast Network 10 User Guide • A single port number of the LAN on which the address resides• The age of the entry• V

OverviewFast Network 10 User Guide Page 1-11Additional FN10 features, such as trunking, Fast Ethernet, and virtual workgroups allow you to optimize ba

Chapter 1: IntroductionPage 1-12 Fast Network 10 User GuideFigure 1-6 FN10 Application #21.5.4.2 FN10’s Fast Ethernet OptionThe FN10, configured with t

OverviewFast Network 10 User Guide Page 1-13Figure 1-7 FN10 Application #3Figure 1-8 illustrates how the FN10 can be used in a backbone network configu

Chapter 1: IntroductionPage 1-14 Fast Network 10 User Guide1.5.4.3 Virtual WorkgroupsThe FN10 allows you to define ports for logical groups of associat

Local Console ManagerFast Network 10 User Guide Page 1-15Figure 1-10 Using the FN10 to Create Virtual Workgroupsto Help Optimize BandwidthA host from

Chapter 1: IntroductionPage 1-16 Fast Network 10 User GuideThe following sections describe LCM command syntax and the basic LCM commands for logging i

Local Console ManagerFast Network 10 User Guide Page 1-17• Information that you need to enter with an LCM command is enclosed in square brackets [ ].

Chapter 1: IntroductionPage 1-18 Fast Network 10 User Guide1.6.2.1 HelpDisplays the menu of available commands. Help can also be displayed by typing a

Local Console ManagerFast Network 10 User Guide Page 1-191.6.2.3 ExitLogs you out of LCM. (The exit command is functionally equivalent to the logout c

Fast Network 10 User Guide i NOTICE Cabletron Systems reserves the right to make changes in specifications and other information contained in this doc

Chapter 1: IntroductionPage 1-20 Fast Network 10 User Guide

Fast Network 10 User Guide Page 2-1CHAPTER 2UNPACKING AND INSTALLINGYOUR FN10Carefully unpack the FN10 from the shipping carton and inspect it for pos

Chapter 2: Unpacking and Installing Your FN10Page 2-2 Fast Network 10 User Guide Figure 2-1 FN10 12- and 24-Port Front PanelsFigure 2-2 FN10 Fast Ethe

FN10 PanelsFast Network 10 User Guide Page 2-3Table 2-1 Meaning of FN10 LEDs LED MeaningLink (upper level of port LEDs)On – Indicates the link is good

Chapter 2: Unpacking and Installing Your FN10Page 2-4 Fast Network 10 User GuideTable 2-2 describes the FN10 buttons.2.2 INSTALLING THE FN10Table-moun

Installing the FN10Fast Network 10 User Guide Page 2-5Rack-mounting an FN10The table below describes some general considerations you should be aware o

Chapter 2: Unpacking and Installing Your FN10Page 2-6 Fast Network 10 User Guide2. Place the FN10 chassis in the cabinet.3. Secure the FN10 with the r

Connecting the Local Console ManagerFast Network 10 User Guide Page 2-75. After several more seconds, the Ready LED will stay on, indicating that the

Chapter 2: Unpacking and Installing Your FN10Page 2-8 Fast Network 10 User Guide2.4 CONNECTING THE FN10 TO THE NETWORKInstallations vary depending on

Adding or Replacing the Optional Fast Ethernet ModuleFast Network 10 User Guide Page 2-92.4.1 Connecting the AUI InterfaceThe FN10 includes one Ethern

ii Fast Network 10 User Guide FCC NOTICE This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1

Chapter 2: Unpacking and Installing Your FN10Page 2-10 Fast Network 10 User GuideFigure 2-5 Removing the FN10 Backplate3. Insert the FE module assembl

Adding or Replacing the Optional Fast Ethernet ModuleFast Network 10 User Guide Page 2-11 Figure 2-7 Completed FE Module Installation6. Reconnect the

Chapter 2: Unpacking and Installing Your FN10Page 2-12 Fast Network 10 User Guide

Fast Network 10 User Guide Page 3-1CHAPTER 3CONFIGURING YOUR FN10The FN10 does not require any additional configuration to operate as a standard, trans

Chapter 3: Configuring Your FN10Page 3-2 Fast Network 10 User Guide• Displaying trunking status• Defining and deleting virtual workgroups• Assigning a c

Assigning IP AddressesFast Network 10 User Guide Page 3-33.1 ASSIGNING IP ADDRESSESIP addresses for each port must be unique. IP addresses are divided

Chapter 3: Configuring Your FN10Page 3-4 Fast Network 10 User Guide3.1.1 Displaying IP AddressesTo display IP addresses, subnet masks, and MAC addresse

Enabling BridgingFast Network 10 User Guide Page 3-53.2 ENABLING BRIDGINGThe LCM bridge command allows you to set bridging options for a single port o

Chapter 3: Configuring Your FN10Page 3-6 Fast Network 10 User Guide3.3 DISABLING BRIDGINGTo turn off the bridging function for a port or port range, at

Enabling TrunkingFast Network 10 User Guide Page 3-73.5 ENABLING TRUNKINGIf your network configuration requires you to connect two or more FN10s togeth

Fast Network 10 User Guide iii CABLETRON SYSTEMS, INC. PROGRAM LICENSE AGREEMENT IMPORTANT: Before utilizing this product, carefully read this Licen

Chapter 3: Configuring Your FN10Page 3-8 Fast Network 10 User GuideTrunk GroupsEach set of connections between two FN10s is called a Trunk Group. You c

Disabling TrunkingFast Network 10 User Guide Page 3-9To enable trunking for the example shown, you would:1. Connect the desired ports of the FN10s tog

Chapter 3: Configuring Your FN10Page 3-10 Fast Network 10 User Guide1. Type trunk <PORT-RANGE> offFor example, trunk 2-4 off3.7 DISPLAYING TRUNKI

Displaying Trunking StatusFast Network 10 User Guide Page 3-11To check the status for ports configured for trunking, at the LCM prompt:1. Type status &

Chapter 3: Configuring Your FN10Page 3-12 Fast Network 10 User Guide3.8 DEFINING AND DELETING WORKGROUPSThe FN10 allows you to define logical groups of

Defining and Deleting WorkgroupsFast Network 10 User Guide Page 3-13The LCM commands used to create the previous configuration are as follows:1. To crea

Chapter 3: Configuring Your FN10Page 3-14 Fast Network 10 User Guide2. To create workgroup B:FN10 > workgroup B 7,11,16,24 ip 198.113.121.0LCM respo

Assigning a Community NameFast Network 10 User Guide Page 3-15To delete a workgroup, at the LCM prompt:1. Type workgroup NAME deleteTo create or modif

Chapter 3: Configuring Your FN10Page 3-16 Fast Network 10 User Guide3.10 CONFIGURING MULTICAST STORM PROTECTIONThe FN10 provides automatic protection a

Modifying MIB VariablesFast Network 10 User Guide Page 3-173.11 MODIFYING MIB VARIABLESSpecific instructions for controlling FN10 operations, modifying

iv Fast Network 10 User Guide UNITED STATES GOVERNMENT RESTRICTED RIGHTS The enclosed product (a) was developed solely at private expense; (b) contai

Chapter 3: Configuring Your FN10Page 3-18 Fast Network 10 User Guide3.11.4 Authentication PasswordThe set password and get password variables (from the

Fast Network 10 User Guide Page 4-1CHAPTER 4MONITORING AND MANAGINGYOUR FN10Monitoring the FN10 consists of collecting and analyzing statistics and sy

Chapter 4: Monitoring and Managing Your FN10Page 4-2 Fast Network 10 User Guide• MAC statistics• Traffic analysis statistics• SNMP statisticsYou can us

FN10 StatisticsFast Network 10 User Guide Page 4-34.2.1 Pseudo FiltersYou can configure pseudo-filters to optimize your network design. Pseudo-filters ge

Chapter 4: Monitoring and Managing Your FN10Page 4-4 Fast Network 10 User Guide• The number of times each filter was successfully invoked, and the sour

FN10 StatisticsFast Network 10 User Guide Page 4-5For each of the above categories, statistics on whether a packet was forwarded or filtered are avail

Chapter 4: Monitoring and Managing Your FN10Page 4-6 Fast Network 10 User Guide• The number of received packets with frame alignment errors.• The numb

FN10 StatisticsFast Network 10 User Guide Page 4-74.2.6 Traffic Analysis StatisticsYou can configure the FN10 to collect statistics on traffic between ac

Chapter 4: Monitoring and Managing Your FN10Page 4-8 Fast Network 10 User Guide• The number of SNMP PDUs received by the FN10 which had an ASN.1 parsi

Using LCM to Check FN10 StatusFast Network 10 User Guide Page 4-9• Address display• Ipaddr• IdentThese LCM commands are described in the sections that

FastNET 10 User Guide v CONTENTS CHAPTER 1 INTRODUCTION 1.1 About This Manual...

Chapter 4: Monitoring and Managing Your FN10Page 4-10 Fast Network 10 User GuideIf you do not want to view the status of each Ethernet port, use the C

Using LCM to Check FN10 StatusFast Network 10 User Guide Page 4-114.3.2 Displaying MAC AddressesThe addresses display command displays all MAC address

Chapter 4: Monitoring and Managing Your FN10Page 4-12 Fast Network 10 User GuideTo display all MAC addresses, at the LCM prompt:1. Type addresses disp

Using LCM to Check FN10 StatusFast Network 10 User Guide Page 4-13LCM would display:LCM allows you to display MAC addresses in two formats:• Little-en

Chapter 4: Monitoring and Managing Your FN10Page 4-14 Fast Network 10 User Guide4.3.3 Displaying Manufacturing InformationThe ident command identifies

Using LCM to Manage the FN10Fast Network 10 User Guide Page 4-154.5 USING LCM TO MANAGE THE FN10The LCM commands that enable you to manage the FN10 in

Chapter 4: Monitoring and Managing Your FN10Page 4-16 Fast Network 10 User Guide4.5.2 Enabling a PortWhen you enable an Ethernet port that has been di

Using LCM to Manage the FN10Fast Network 10 User Guide Page 4-17The noRIP option allows you to turn off the routing information that builds the routin

Chapter 4: Monitoring and Managing Your FN10Page 4-18 Fast Network 10 User Guide4.5.4 Changing a Community NameA community name is similar to a passwo

Using LCM to Manage the FN10Fast Network 10 User Guide Page 4-19To display the current baud rate setting, at the LCM prompt:1. Type baudLCM responds:T

Contentsvi FastNET 10 User Guide CHAPTER 3 CONFIGURING YOUR FN10 3.1 Assigning IP Addresses ...

Chapter 4: Monitoring and Managing Your FN10Page 4-20 Fast Network 10 User Guide

Fast Network 10 User Guide Page 5-1CHAPTER 5FN10 FILTERSOne of the most significant features of the FN10 is its powerful user-configurable filtering capa

Chapter 5: FN10 FiltersPage 5-2 Fast Network 10 User Guide• Multicast traffic from any station (MAC layer address). Multicast packets are those destine

Bridge Address Table FiltersFast Network 10 User Guide Page 5-3With the Bridge Address Table entry shown in Table 5-1, you can use any of the followin

Chapter 5: FN10 FiltersPage 5-4 Fast Network 10 User Guide5.1.3 Destination Address FilterA destination address filter can be used to discard all traffi

Port FiltersFast Network 10 User Guide Page 5-5Likewise, you can assign an Exit port one of the following restrictions:• Only allow a certain number o

Chapter 5: FN10 FiltersPage 5-6 Fast Network 10 User GuideFor the fields defined as True, False, or Not Applicable (NA) in the following sections:• True

Port FiltersFast Network 10 User Guide Page 5-7For example, if you had the configuration shown below, the And operator assigned to Port 2 would apply t

Chapter 5: FN10 FiltersPage 5-8 Fast Network 10 User GuideSource Range StartThe starting MAC address for the source range of MAC addresses. If you are

Port FiltersFast Network 10 User Guide Page 5-9Field OriginEither TYPE, IP, MAC, or SR (see Field Offset description). The origin is the field from whi

ContentsFastNET 10 User Guide vii 4.5 Using LCM to Manage the FN10... 4-154.5.1 Disabling a Port ...

Chapter 5: FN10 FiltersPage 5-10 Fast Network 10 User GuideWhen adding or modifying a filter, you must enter both a Source Range Start value and a Sour

Using Filters for Security PurposesFast Network 10 User Guide Page 5-11Figure 5-1 Using Filters to Restrict Access to anAdjoining Network SegmentFN10E

Chapter 5: FN10 FiltersPage 5-12 Fast Network 10 User GuideThe company wants to allow Engineering and Accounting workstations to access resources on t

Using Filters for Security PurposesFast Network 10 User Guide Page 5-13Example 2: Blocking Access to Specific StationsIn this example, a company uses a

Chapter 5: FN10 FiltersPage 5-14 Fast Network 10 User GuideThis information is used to configure the filter as follows:• Filter identifier – port number

Using Filters for Security PurposesFast Network 10 User Guide Page 5-15Example 3: Restricting Access to Authorized UsersThe example shown in Figure 5-

Chapter 5: FN10 FiltersPage 5-16 Fast Network 10 User GuideNote that the FN10 is not storing information designed to identify restricted devices or au

Using Filters to Enhance Network PerformanceFast Network 10 User Guide Page 5-17Example 4: Using a Firewall Filter to Control MulticastsTo optimize ne

Chapter 5: FN10 FiltersPage 5-18 Fast Network 10 User GuideThis filter is configured as follows:• Filter identifier – port number of the port attached to

Configuring a Port FilterFast Network 10 User Guide Page 5-195.5 CONFIGURING A PORT FILTERTo configure a Port filter, use the Local Console Manager (LCM)