Manuals / LevelOne / Computer Equipment / Switch

LevelOne GSW-2476 Glossary-4, Layer, Link Segment, Local Area Network LAN, Modal Bandwidth

Models: GSW-2476

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GLOSSARY

Layer 2

Data Link layer in the ISO 7-Layer Data Communications Protocol. This is related directly to the hardware interface for network devices and passes on traffic based on MAC addresses.

LED

Light emitting diode used for monitoring a device or network condition.

Link Segment

Length of twisted-pair or fiber cable joining a pair of repeaters or a repeater and a PC.

Local Area Network (LAN)

A group of interconnected computers and support devices.

Management Information Base (MIB)

An acronym for Management Information Base. It is a set of database objects that contains information about the device.

Media Access Control (MAC)

A portion of the networking protocol that governs access to the transmission medium, facilitating the exchange of data between network nodes.

Modal Bandwidth

Bandwidth for multimode fiber is referred to as modal bandwidth because it varies with the modal field (or core diameter) of the fiber. Modal bandwidth is specified in units of MHz per km, which indicates the amount of bandwidth supported by the fiber for a one km distance.

Network Diameter

Wire distance between two end stations in the same collision domain.

Glossary-4

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LevelOne GSW-2476 user manual Glossary-4, Layer, Link Segment, Local Area Network LAN, Management Information Base MIB

Contents

24-Port Gigabit w/ 4-Port SFP Web Smart Switch LevelOneGSW-2476 User ManualPage COMPLIANCES FCC - Class ACE Mark Declaration of Conformance for EMI and Safety EEC COMPLIANCESSafety Compliance Power Cord SafetyWarning Fiber Optic Port Safety fiber cable ends when they are powered onPower Cord Set COMPLIANCESWarnings and Cautionary Messages Environmental StatementEnd of Product Life Span Manufacturing Materialsviii PurposeAudience Related PublicationsTABLE OF CONTENTS 3 Installing the Switch1 About GSW-2476 2 Network PlanningTABLE OF CONTENTS Configuring the SwitchMaking Network Connections Glossary Index TABLE OF CONTENTS TABLES xiiiFIGURES FIGURES FIGURES CHAPTER OverviewPort Status Indicators Power SocketSwitch Architecture ABOUT GSW-2476Network Management Options Description of Hardware Port and Power Status LEDs10/100/1000BASE-T Ports SFP SlotsFigure 1-3 Port LEDs and Power LED 4-Port SFP Web Smart SwitchABOUT GSW-2476 Features and Benefits Power Supply SocketFigure 1-4 Power Supply Socket ConnectivityABOUT GSW-2476 ExpandabilityPerformance ManagementIntroduction to Switching CHAPTER NETWORK PLANNINGCollapsed Backbone Application ExamplesFigure 2-1 Collapsed Backbone Central Wiring Closet Figure 2-2 Central Wiring ClosetRemote Connections with Fiber Cable Figure 2-3 Remote Connections with Fiber CableMaking VLAN Connections Figure 2-4 Making VLAN ConnectionsApplication Notes Selecting a Site CHAPTER 3 INSTALLING THE SWITCHEthernet Cabling Figure 3-1 RJ-45 ConnectionsEquipment Checklist MountingPackage Contents Optional Rack-Mounting EquipmentTemperature Since the temperature within a rack assembly may be higher than the ambient room temperature, check that the rack-environment temperature is within the specified operating temperature range see page C-2 Figure 3-3 Installing the Switch in a Rack Figure 3-2 Attaching the BracketsDesktop or Shelf Mounting Figure 3-4 Attaching the Adhesive FeetInstalling an SFP Transceiver Figure 3-5 Inserting an SFP Transceiver into a SlotConnecting to a Power Source Figure 3-6 Power SocketCHAPTER MAKING NETWORK CONNECTIONS Connecting Network DevicesTwisted-Pair Devices Connecting to PCs, Servers, Hubs and Switches Figure 4-1 Making Twisted-Pair ConnectionsNetwork Wiring Connections Figure 4-2 Wiring Closet ConnectionsFiber Optic SFP Devices Figure 4-3 Making Connections to SFP Transceivers FIBER OPTIC SFP DEVICESConnectivity Rules 1000BASE-T Cable Requirements1000 Mbps Gigabit Ethernet Collision Domain Table 4-1 Maximum 1000BASE-T Gigabit Ethernet Cable Length100 Mbps Fast Ethernet Collision Domain 10 Mbps Ethernet Collision DomainTable 4-3 Maximum 1000BASE-LX Fiber Optic Cable Length Table 4-4 Maximum 1000BASE-ZX Fiber Optic Cable LengthCable Labeling and Connection Records Using the Web Interface CHAPTER 5 CONFIGURING THE SWITCHHome Page Navigating the Web Browser InterfaceFigure 5-1 Home Page Configuration Options Table 5-1 Web Page Configuration ButtonsFigure 5-2 Front Panel Indicators Panel DisplayTable 5-2 Switch Main Menu Main MenuTable 5-2 Switch Main Menu Continued Sets the priority of packets forwarded throughWeb Configuration Field AttributesSystem Information Address InformationTrunk Information WEB CONFIGURATIONVLAN Inoformation CONFIGURING THE SWITCH Figure 5-3 Switch InformationWeb - Click STATUS, Overview Showing Port Statistics Table 5-3 Port StatisticsParameter DescriptionTable 5-3 Port Statistics Continued 5-10RMON Statistics WEB CONFIGURATION 5-11Table 5-3 Port Statistics Continued 5-12 received and transmitted where the number of octetsTable 5-3 Port Statistics Continued received and transmitted that were 64 octets in length5-13 WEB CONFIGURATIONDisplaying System Name Field Attributes5-14 Setting the Switch’s IP AddressField Attributes Figure 5-5 System Name5-15 Configuring the Logon PasswordManual Configuration Figure 5-6 LAN Settings5-16 Figure 5-7 Password SettingsReset to Factory Defaults ToolsFigure 5-8 Reset to Factory Defaults Upgrade Firmware 5-17Figure 5-9 Upgrade Firmware 5-18 Upload/Download ConfigurationFigure 5-10 Restart Switch Set boot Image Figure 5-11 Set boot Image5-19 Restart SwitchFigure 5-12 Restart Switch Static MAC Address ConfigurationCounter Config 5-20Figure 5-13 Static MAC Address Configuration 5-21 Port ConfigurationFigure 5-14 Counter Configuration Field Attributes5-22 Web - Click PORTS, SettingsFigure 5-15 Port Configuration CONFIGURING THE SWITCHStorm Control 5-23Field Attributes 5-24 Port MirroringFigure 5-16 Port Broadcast Control Field Attributes5-25 Cable DiagnosticFigure 5-17 Port Mirroring Field Attributes5-26 Figure 5-18 Cable DiagnosticsTrunks Membership Field Attributes5-27 Trunk ConfigurationFigure 5-19 Trunk Membership Field Attributes5-28 VLAN SettingsFigure 5-20 Trunk Configuration Introduction to VLANsThe switch management interface is on VLAN 1 this cannot be changed 5-29Field Attributes 5-30 For QinQ operation, a customer port should be set to VLAN unaware and a provider port trunk port should be set to VLAN aware5-31 Figure 5-21 VLAN Settings VLAN MemembershipFigure 5-22 802.1Q VLAN Configuration Figure 5-23 802.1Q VLAN Group 5-32CONFIGURING THE SWITCH 5-33 QOS SettingsQoS Disabled 802.1pFigure 5-24 QoS Settings 5-34Security 5-35 Figure 5-25 Management Access Filter Configuration5-36 Settings Field AttributesIGMP Snooping Configuration IGMP Snooping VLAN Configuration5-37 Web - Click IGMP Snoop, SettingsFigure 5-26 IGMP Snooping Configuration IGMP Status Field Attributes5-38 CONFIGURING THE SWITCHWeb - Click IGMP Snoop, Status Figure 5-27 IGMP Snoop StatusDiagnosing Switch Indicators APPENDIX A TROUBLESHOOTINGTable A-1 Troubleshooting Chart Installation Power and Cooling ProblemsIn-Band Access Reset the Switch TROUBLESHOOTING Twisted-Pair Cable and Pin Assignments APPENDIX B CABLESFigure B-1 RJ-45 Connector Pin Numbers 10BASE-T/100BASE-TX Pin Assignments Table B-1 10/100BASE-TX MDI and MDI-X Port PinoutsStraight-Through Wiring Figure B-2 Straight-through WiringCrossover Wiring Figure B-3 Crossover Wiring1000BASE-T Pin Assignments Cable Testing for Existing Category 5 CableTable B-2 1000BASE-T MDI and MDI-X Port Pinouts Fiber Standards Adjusting Existing Category 5 Cabling to Run 1000BASE-TAPPENDIX C SPECIFICATIONS Physical CharacteristicsSwitching Database WeightSwitch Features Management FeaturesTemperature Power SupplyStandards CompliancesSoftware Loading CE Mark EmissionsSPECIFICATIONS GLOSSARY Glossary-110BASE-T 100BASE-TXGlossary-2 BandwidthCollision Collision DomainGlossary-3 Full DuplexGigabit Ethernet IEEEGlossary-4 Media Access Control MACLayer Link SegmentGlossary-5 Redundant Power Supply RPSRJ-45 Connector Switched PortsGlossary-6 GLOSSARYNumerics INDEXIndex-1 Index-2 Index-3 INDEXIndex-4 INDEXPage GSW-2476 E082006-JC-R01 149100011100H