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DFE-2600 SeriesEthernet/Fast EthernetDual-SpeedManaged/UnmanagedStackable HubsUser GuideRev. 03 (December, 1998)6DFE2600M.03Printed In TaiwanRECYCLAB

Dual-Speed Stackable Hubs User’s Guidex8 SPECIFICATIONS...119General...

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management88♦ Protocol This is the protocol used by the Hub for out-of

Web-Based Network Management 89♦ Administration State Indicates the port partition status, either en-abled or disabled.ResetDoing a remote reset

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management90♦ Source Address Shows the source Ethernet address of the

Web-Based Network Management 91Variables in the above window include:♦ Hub ID Select a Hub from the hub stack.♦ Port Port ID for which Intrusi

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management92Back-Up PortA Back-Up Port is a linked-pair consisting of a ma

Web-Based Network Management 93RMON utility viewer provides you with functionality through an easy-to-useinterface especially designed for management

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management94previously configured thresholds. If themonitored variable cro

Web-Based Network Management 95The above Statistics table must contain at least one entry to begin keepingstatistics. To add a new entry into the Stat

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management96Statistics Group Index TableThe Statistics Group Index Table i

Web-Based Network Management 97♦ Broadcast Packets The total number of good packets received thatwere directed to the broadcast address. Note tha

About This Guide xi0 ABOUT THIS GUIDEThis guide discusses how to install and use the DFE-2600 series dual-speed,managed/unmanaged, stackable Ethernet

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management98♦ 64 Octets The total number of packets (including bad pac

Web-Based Network Management 99To begin keeping device history Add a new data source entry by filling in the5 boxes at the bottom of the window and cl

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management100• Interval (1..3600) The interval in seconds over which t

Web-Based Network Management 101val. Note that this number is not necessarily the number of packetsdropped, it is just the number of times this condi

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management102♦ Jabber The number of packets received during this sampl

Web-Based Network Management 103◊ DeleteClick the Delete button to remove an entry.Following are descriptions for the categories shown in the Alarm T

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management104♦ Rising Threshold A threshold for the sampled statistic.

Web-Based Network Management 105• Index: This value uniquely identifies the Alarm entry. Other thannumerical position in the Alarm Table, there is

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management106• Sample TypeThe method of sampling the selected variable an

Web-Based Network Management 107same as an Event index number identified in the Event group. If there isno corresponding entry in the Event Table, th

Dual-Speed Stackable Hubs User’s GuideAbout This GuidexiiUnless differentiated by model number or other specific reference, all infor-mation applies t

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management108The event variables are described below:♦ Index An index

Web-Based Network Management 109◊ View To view the event log, click the View button. Log entriesare organized in a table (shown below).Log Table fo

Cables and Connectors 111A7 CABLES ANDCONNECTORS100BASE-TX Ethernet Cable andConnectors♦ Cable characteristics: 0.4 to 0.6 mm (22 to 26 AWG) 4-pair

Dual-Speed Stackable Hub Web-based Management User’s GuideCables and Connectors112Straight Twisted-Pair Cable PinoutsContact MDI-X Signal MDI Signal1

Cables and Connectors 113Diagnostic Port SpecificationsThis section provides supplemental information that concerns diagnostic portconnections. Infor

Dual-Speed Stackable Hub Web-based Management User’s GuideCables and Connectors114 Terminal/PCSerial Port(DTE, DB-9)Console Port(DCE, DB-9)-(9)RXD (2)

Boot Configuration File 115BA BOOT CONFIGURATIONFILEDFE-2600 series master hubs support a powerful configuration file whichallows many of the hub stac

Dual-Speed Stackable Hub Web-based Management User’s GuideBoot Configuration File116 Takes string as the System Contact, corresponding to the SNMP MI

Boot Configuration File 117♦ auth-trap enable/disable Enables or disables authentication failure traps for invalid SNMP com-munity names. The argum

Introduction 111 INTRODUCTIONThis chapter introduces the DFE-2600 series dual-speed stackable hubs, aswell as giving some background information abou

Dual-Speed Stackable Hub Web-based Management User’s GuideBoot Configuration File118 Sets the hub node age timer to n seconds. Node aging is used w

Specifications 119C8 SPECIFICATIONSGeneralStandards: IEEE 802.3 10BASE-T Ethernet repeater, IEEE 802.3u100BASE-TX Fast Ethernet repeater (Class II);

Dual-Speed Stackable Hub Web-based Management User’s GuideSpecifications120Hub-to-Hub CascadingNumber of Daisy-Chained Hubs: Maximum of 5 hubs per st

Specifications 121DFE-2624i = 39 watts maximumDFE-2624ix = 40 watts maximumDimensions: 441mm × 237mm × 55mm (1.25 U height), 19-inch rack-mountableWe

Glossary 123D9 GLOSSARYPlease note that the terms in this glossary are defined according to their usagein this document and as part of the field of c

Dual-Speed Stackable Hub Web-based Management User’s GuideGlossary124BBandwidthThe range of frequencies available across a com-munications channel; in

Glossary 125Crossover CableA type of twisted-pair cable in which the wires atone end have been reversed in order to matchpinouts on a hub or switch.CS

Dual-Speed Stackable Hub Web-based Management User’s GuideGlossary126IIEEEInstitute of Electrical and Electronics Engineers,an accredited professional

Glossary 127Out-of-bandCommunications with a network device usingsome medium other than the network itself.PPacketAn addressed segment of data transmi

Dual-Speed Stackable Hubs User’s GuideIntroduction2In the basic configuration, the 10Mbps and 100Mbps segments are separateand do not intercommunicate

Dual-Speed Stackable Hub Web-based Management User’s GuideGlossary128TelnetTerminal emulation for the TCP/IP protocol suite,used for interacting with

Ccascade...10, 37Category 5...

MMAC address...56master...

TFTP ...37, 38, 48, 49, 117, 118, 130Topology...

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Introduction 3♦ Full hub stack and network management provided via an SNMP man-agement agent (DFE-2616i, DFE-2616ix, DFE-2624i, DFE-2624ix).♦ An optio

Dual-Speed Stackable Hubs User’s GuideIntroduction4Dual-Speed Ethernet HubTechnology OverviewDual-speed Ethernet hubs have been developed to make it s

Introduction 5If there is a switching circuit in the hub (or in any hub in a stack), it will serveas a bridge between the two repeaters.10Mbps Repeate

Dual-Speed Stackable Hubs User’s GuideUnpacking and Setup622 UNPACKING ANDSETUPThis chapter provides information on the unpacking and initial install

Unpacking and Setup 7Inspect the hub and all accompanying items. If any item is damaged ormissing, report the problem to your D-Link dealer.Identifyi

iiTrademarksCopyright 1998 D-Link Corporation.Contents subject to change without prior notice.D-Link is a registered trademark of D-Link Corporation/

Dual-Speed Stackable Hubs User’s GuideUnpacking and Setup8♦ LED Indicator Panel Refer to the next chapter, Understanding Indicators, for detailed inf

Unpacking and Setup 9Rear Panel(Note that the figure shows the rear panel for master models.)♦ Module Slots Used to install module options for variou

Dual-Speed Stackable Hubs User’s GuideUnpacking and Setup10 This 9-pin serial connector is used for connecting a console to the DFE-2600 series master

Unpacking and Setup 11When installing the hub stack on a level surface, attach the rubber feet to thebottom of each device. The rubber feet cushion t

Dual-Speed Stackable Hubs User’s GuideUnpacking and Setup12Replacing the Power SupplyThe hub comes with a removable power supply for easy replacement.

Unpacking and Setup 135. Slide the replacement power supply into the chassis, engaging theconnector carefully.6. Attach the power cord to the connecto

Understanding Indicators 1533 UNDERSTANDINGINDICATORSBefore connecting network devices to the hub, take a few minutes to lookover this section and fa

Dual-Speed Stackable Hubs User’s GuideUnderstanding Indicators16DFE-2624 / DFE-2624x Indicator PanelDFE-2616 / DFE-2616x Indicator PanelHub State Indi

Understanding Indicators 17♦ Segment Utilization % (10Mbps and 100Mbps) The utilization bar graphs provide a quick reference on the current trafficlo

iiiWichtige Sicherheitshinweise1. Bitte lesen Sie sich diese Hinweise sorgftig durch.2. Heben Sie diese Anleitung f den spern Gebrauch auf.3. Vor j

Dual-Speed Stackable Hubs User’s GuideUnderstanding Indicators18Port State IndicatorsThere is one port state indicator for each of the twisted-pair po

Understanding Indicators 19 If there is a DFE-2616i, DFE-2616ix, DFE-2624i, or DFE-2624ix masterhub in the stack, then ports can be manually disabled

Dual-Speed Stackable Hubs User’s GuideUnderstanding Indicators201. A good connection has been established with a console (for example,a PC or other co

Making Connections 2144 MAKINGCONNECTIONSThis chapter discusses how to cascade hubs to create a stack, make connec-tions to the hub twisted-pair and

Dual-Speed Stackable Hubs User’s GuideMaking Connections22Hubs should not be added to the stack or removed from the stack while thepower is on to any

Making Connections 23Connectivity RulesEthernet (10Mbps) networks have the following connectivity rules:♦ The maximum length of a twisted-pair cable s

Dual-Speed Stackable Hubs User’s GuideMaking Connections24The Diagnostic PortThe diagnostic port on the rear panel of the master hub is used to establ

Making Connections 25you can use a TELNET program (in a VT-100 compatible terminal mode) toaccess and control the hub. All of the screens are for the

Dual-Speed Stackable Hubs User’s GuideMaking Connections26connections require either a Category 5 UTP cable or an STP cable. Thesecables can be up to

Making Connections 27Hub-to-Hub UplinkYou can link two hubs or hub stacks to each other using any of the normaltwisted-pair (1x - 24x) ports or the Up

ivLimited WarrantyHardware:D-Link warrants its hardware products to be free from defects in workmanship and materials, under normal useand service, fo

Dual-Speed Stackable Hubs User’s GuideMaking Connections28DEVICE PORTUSEDDEVICE BEINGCONNECTEDPORTTYPE CABLE TO USEHub orNormal Cr

Making Connections 29tion on each hub is 100 meters, then the hub-to-hub connection is limited to 5meters. However, if the longest hub-to-end-station

Dual-Speed Stackable Hubs User’s GuideMaking Connections30Module InstallationThe installation procedure for each module is the same. Additional infor

Making Connections 31Switch Module (DFE-260S)The DFE-260S switch module is used to allow interconnection between the10Mbps and 100Mbps segments in the

Dual-Speed Stackable Hubs User’s GuideMaking Connections32• Power/Txhis LED is lit when the hub is on and blinks when packetsare being transmitted by

Making Connections 33The Fast Ethernet module uses a MDI-X connector (not a straight MDI) and,therefore, a crossover cable must be used when connectin

Dual-Speed Stackable Hubs User’s GuideMaking Connections34erate at 100Mbps in the duplex mode se-lected.The duplex mode DIP switch allows you to set t

Master Hub Setup and Management 3555 MASTER HUB SETUPAND MANAGEMENTThe DFE-2616i, DFE-2616ix, DFE-2624i, and DFE-2624ix master hubs(hereafter and els

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management36Navigation and ConventionsThis section describes how to navigate the master hub

Master Hub Setup and Management 37In-Band Setup InstructionsThis section describes how to setup the hub for in-band management.Getting StartedPhysical

vchased software, and to replacement software provided by D-Link pursuant to this warranty, but shall not applyto any update or replacement which may

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management381. Connect a VT-100 compatible terminal or a personal computer run-ning a VT-10

Master Hub Setup and Management 39installed. If a hub stack has two master units, the master unit powered-onfirst or the unit which is higher in the

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management40 The figure above shows an unsegmented hub stack. All hubs in the stack arein

Master Hub Setup and Management 41For information about segmenting hubs using the network management mod-ule for the hub, see the ub Stack Management

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management42 DFE-2600 Dual speed Stackable Hub Telnet Remote Management Ver0Copyright(C) 19

Master Hub Setup and Management 43 DFE-2600 Stackable Hub - Main MenuSystem ConfigurationTCP/IP Parameters ConfigurationNetwork MonitoringOut-of-Band/

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management44 DFE-2600 Stackable Hub - User Account Change : Change PasswordUser Name [ ]Old

Master Hub Setup and Management 45Setting Up the Master HubThis section describes how to set the hub console parameters for the vari-ous management o

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management46be 255.0.0.0 for a Class A network, 255.255.0.0 for a Class B net-work, and 255

Master Hub Setup and Management 47Out-of-Band Management and ConsoleSettingsYou can use the Out-of-Band/Console Setting menu to choose whether to uset

viLIMITATION OF LIABILITYIN NO EVENT WILL D-LINK BE LIABLE FOR ANY DAMAGES, INCLUDING LOSS OF DATA, LOSSOF PROFITS, COST OF COVER OR OTHER INCIDENTAL,

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management48DFE-2600 Stackable Hub - Out-of-Band/Console Setting MenuOut-of-Band Setting Co

Master Hub Setup and Management 49♦ Boot Server IP Address. This variable is the IP address of the TFTPserver where the configuration file is locate

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management50requests, allowing them to be used for network management purposes. Eachof the

Master Hub Setup and Management 51SNMP TrapsThe hub sends out SNMP traps to network management stations whenevercertain exceptional events occur, such

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management52♦ Status. This determines whether this trap entry is valid or invalid.You can

Master Hub Setup and Management 53Adding and Deleting UsersAccess to the console program, whether using the diagnostic port orTELNET, is controlled by

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management543. Enter the new user name, and assign an initial password. Determinewhether t

Master Hub Setup and Management 553. Toggle the Status field of the user you wish to remove to N/A. (Totemporarily restrict a user access to the hub

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management56DFE-2600 Stackable Hub - Network Monitoring : Primary/Backup Master MenuGroup I

Master Hub Setup and Management 57♦ Group ID. This field indicates which hub is being displayed.♦ Group Serial Number. Displays the hub factory a

About This Guide viiTABLE OF CONTENTS0 ABOUT THIS GUIDE...XIModels Covered...

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management58hh:mm:ss.xx, with hh representing hours since the master hub wasturned on, mm t

Master Hub Setup and Management 59You can use PREV GROUP and NEXT GROUP to display informationabout another hub, or you can enter the hub Group ID nu

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management60♦ Port Speed. This field displays the port current operating speed(100M or 1

Master Hub Setup and Management 61Displaying Port and Group StatisticsThe hub stack collects network transmission statistics for each port, and eachhu

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management62frame delimiter is valid but less than 2 bytes are received. This typeof error

Master Hub Setup and Management 63♦ SA Changes. This statistic counts the number of times the source ad-dress has changed.♦ Isolates (only for 100Mb

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management64NOTE:The CLEAR COUNTER action only resets thecounters for the statistics displa

Master Hub Setup and Management 65 DFE-2600 Stackable Hub - Network Monitoring : Segment StatisticsCurrent Segment ID: 1Pkts Pkts/Sec Pkts Pkts/SecSt

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management66♦ 1024-1518 Octs. This statistic displays the number of packets (bothgood and

Master Hub Setup and Management 67Per-Port Intrusion SecurityEach port on this hub can have intrusion security enabled. Intrusion securityprevents un

Dual-Speed Stackable Hubs User’s GuideviiiModule Indicators ...17Port

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management68DFE-2600 Stackable Hub - Network Monitoring : Bridge InformationHub ID Bridge P

Master Hub Setup and Management 69If the hub stack has a backup master, the time required to complete the resetprocess will be longer than without one

Dual-Speed Stackable Hubs User’s GuideMaster Hub Setup and Management70(including TCP/IP parameters, SNMP parameters, the enabled/disabled set-tings o

Web-Based Network Management 7166 WEB-BASEDNETWORKMANAGEMENTIntroductionThe content of this chapter pertains to intelligent (master) hub models only.

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management72Getting StartedThe first step in getting started in using web-

Web-Based Network Management 73Clicking on the Hub ID indicator shows information about thehub and allows you to take it offline.• Slots 1 & 2Clic

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management74Items in the Hub Information window are described as follows:♦

Web-Based Network Management 75♦ Hardware Revision Revision number for the hub hardware.IP InterfaceThe IP Interface screen displays information

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management76Trap ReceiversDefining Trap Receivers allows network managemen

Web-Based Network Management 77♦ Community String A user-defined SNMP community name.♦ Access Right The permitted access using the SNMP commun

ixOut-of-Band Management and Console Settings...47Software Update on Boot...

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management78The fields are described as follows:♦ Software Update Mode

Web-Based Network Management 79PerformanceHub performance is measured with packet statistics and it utilization in thenetwork. Clicking on the Perfor

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management80Statistics collected by the Hub are described as follows:♦ St

Web-Based Network Management 81♦ OversizePkts (Pkts) Counts packets received that were longer than1518 octets (excluding framing bits, but includi

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management82UtilizationA network segment can be monitored using the Utiliz

Web-Based Network Management 83Group/ Port ControlClick on the Group/Port Control button on the left side of the screen to showyour hub or stack on th

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management84♦ Port Type This is a is UTP port which supports both UTP

Web-Based Network Management 85♦ Generate Trap When Link State Change Indicates whether or notthe port will send a trap if it link status changes

Dual-Speed Stackable Hub Web-based Management User’s GuideWeb-based Network Management86♦ Group Role The role of the Hub within the stack, either

Web-Based Network Management 87The information is described as follows:♦ Current Serial Port Setting Displays the current setting, either Con-sole