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LevelOne GSW-2476 user manual 4 Making VLAN Connections

Models: GSW-2476

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Making VLAN Connections

APPLICATION EXAMPLES

Making VLAN Connections

The switch supports VLANs that can be used to organize any group of network nodes into separate broadcast domains. VLANs confine broadcast traffic to the originating group, and can eliminate broadcast storms in large networks. This provides a more secure and cleaner network environment.

VLANs can be based on untagged port groups, or traffic can be explicitly tagged to identify the VLAN group to which it belongs. Untagged VLANs can be used for small networks attached to a single switch. However, tagged VLANs should be used for larger networks, and all the VLANs assigned to the inter-switch links.

R&D

VLAN 1

Tagged

Ports

Finance

VLAN 2

Testing

VLAN 3

level	1		2	3	4	5	6	7	8	9	10	11	12
level	GSW-2476 24-Port Gigabit w/4-Port SFP Web Smart Switch

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13	14	15	16	17	18	19	20	21	22	23	24

Untagged Ports

Tagged Port

VLAN

unaware

switch

R&D

Marketing

Finance

VLAN aware switch

Testing

VLAN 4	VLAN 1

VLAN 2

VLAN 3

Figure 2-4 Making VLAN Connections

Note: When connecting to a switch that does not support IEEE 802.1Q VLAN tags, use untagged ports.

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LevelOne GSW-2476 user manual 4 Making VLAN Connections

Contents

User Manual 24-Port Gigabit w/ 4-Port SFP Web Smart SwitchLevelOne GSW-2476Page FCC - Class A COMPLIANCESCOMPLIANCES CE Mark Declaration of Conformance for EMI and Safety EECfiber cable ends when they are powered on Safety CompliancePower Cord Safety Warning Fiber Optic Port SafetyCOMPLIANCES Power Cord SetManufacturing Materials Warnings and Cautionary MessagesEnvironmental Statement End of Product Life SpanRelated Publications viiiPurpose Audience2 Network Planning TABLE OF CONTENTS3 Installing the Switch 1 About GSW-2476Configuring the Switch TABLE OF CONTENTSMaking Network Connections Glossary Index TABLE OF CONTENTS xiii TABLESFIGURES FIGURES FIGURES Power Socket CHAPTEROverview Port Status IndicatorsABOUT GSW-2476 Switch ArchitectureNetwork Management Options SFP Slots Description of HardwarePort and Power Status LEDs 10/100/1000BASE-T Ports4-Port SFP Web Smart Switch Figure 1-3 Port LEDs and Power LEDABOUT GSW-2476 Connectivity Features and BenefitsPower Supply Socket Figure 1-4 Power Supply SocketManagement ABOUT GSW-2476Expandability PerformanceCHAPTER NETWORK PLANNING Introduction to SwitchingApplication Examples Collapsed BackboneFigure 2-1 Collapsed Backbone Figure 2-2 Central Wiring Closet Central Wiring ClosetFigure 2-3 Remote Connections with Fiber Cable Remote Connections with Fiber CableFigure 2-4 Making VLAN Connections Making VLAN ConnectionsApplication Notes CHAPTER 3 INSTALLING THE SWITCH Selecting a SiteFigure 3-1 RJ-45 Connections Ethernet CablingOptional Rack-Mounting Equipment Equipment ChecklistMounting Package ContentsTemperature 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 3-2 Attaching the Brackets Figure 3-3 Installing the Switch in a RackFigure 3-4 Attaching the Adhesive Feet Desktop or Shelf MountingFigure 3-5 Inserting an SFP Transceiver into a Slot Installing an SFP TransceiverFigure 3-6 Power Socket Connecting to a Power SourceConnecting Network Devices CHAPTER MAKING NETWORK CONNECTIONSTwisted-Pair Devices Figure 4-1 Making Twisted-Pair Connections Connecting to PCs, Servers, Hubs and SwitchesFigure 4-2 Wiring Closet Connections Network Wiring ConnectionsFiber Optic SFP Devices FIBER OPTIC SFP DEVICES Figure 4-3 Making Connections to SFP TransceiversTable 4-1 Maximum 1000BASE-T Gigabit Ethernet Cable Length Connectivity Rules1000BASE-T Cable Requirements 1000 Mbps Gigabit Ethernet Collision DomainTable 4-4 Maximum 1000BASE-ZX Fiber Optic Cable Length 100 Mbps Fast Ethernet Collision Domain10 Mbps Ethernet Collision Domain Table 4-3 Maximum 1000BASE-LX Fiber Optic Cable LengthCable Labeling and Connection Records CHAPTER 5 CONFIGURING THE SWITCH Using the Web InterfaceNavigating the Web Browser Interface Home PageFigure 5-1 Home Page Panel Display Configuration OptionsTable 5-1 Web Page Configuration Buttons Figure 5-2 Front Panel IndicatorsMain Menu Table 5-2 Switch Main MenuSets the priority of packets forwarded through Table 5-2 Switch Main Menu ContinuedAddress Information Web ConfigurationField Attributes System InformationWEB CONFIGURATION Trunk InformationVLAN Inoformation Figure 5-3 Switch Information CONFIGURING THE SWITCHWeb - Click STATUS, Overview Description Showing Port StatisticsTable 5-3 Port Statistics Parameter5-10 Table 5-3 Port Statistics ContinuedRMON Statistics 5-11 WEB CONFIGURATIONTable 5-3 Port Statistics Continued received and transmitted that were 64 octets in length 5-12received and transmitted where the number of octets Table 5-3 Port Statistics ContinuedField Attributes 5-13WEB CONFIGURATION Displaying System NameFigure 5-5 System Name 5-14Setting the Switch’s IP Address Field AttributesFigure 5-6 LAN Settings 5-15Configuring the Logon Password Manual ConfigurationTools 5-16Figure 5-7 Password Settings Reset to Factory Defaults5-17 Figure 5-8 Reset to Factory Defaults Upgrade FirmwareFigure 5-9 Upgrade Firmware Figure 5-11 Set boot Image 5-18Upload/Download Configuration Figure 5-10 Restart Switch Set boot ImageStatic MAC Address Configuration 5-19Restart Switch Figure 5-12 Restart Switch5-20 Counter ConfigFigure 5-13 Static MAC Address Configuration Field Attributes 5-21Port Configuration Figure 5-14 Counter ConfigurationCONFIGURING THE SWITCH 5-22Web - Click PORTS, Settings Figure 5-15 Port Configuration5-23 Storm ControlField Attributes Field Attributes 5-24Port Mirroring Figure 5-16 Port Broadcast ControlField Attributes 5-25Cable Diagnostic Figure 5-17 Port MirroringField Attributes 5-26Figure 5-18 Cable Diagnostics Trunks MembershipField Attributes 5-27Trunk Configuration Figure 5-19 Trunk MembershipIntroduction to VLANs 5-28VLAN Settings Figure 5-20 Trunk Configuration5-29 The switch management interface is on VLAN 1 this cannot be changedField Attributes For QinQ operation, a customer port should be set to VLAN unaware and a provider port trunk port should be set to VLAN aware 5-30Figure 5-21 VLAN Settings VLAN Memembership 5-315-32 Figure 5-22 802.1Q VLAN Configuration Figure 5-23 802.1Q VLAN GroupCONFIGURING THE SWITCH 802.1p 5-33QOS Settings QoS Disabled5-34 Figure 5-24 QoS SettingsSecurity Figure 5-25 Management Access Filter Configuration 5-35IGMP Snooping VLAN Configuration 5-36Settings Field Attributes IGMP Snooping ConfigurationField Attributes 5-37Web - Click IGMP Snoop, Settings Figure 5-26 IGMP Snooping Configuration IGMP StatusFigure 5-27 IGMP Snoop Status 5-38CONFIGURING THE SWITCH Web - Click IGMP Snoop, StatusAPPENDIX A TROUBLESHOOTING Diagnosing Switch IndicatorsTable A-1 Troubleshooting Chart Power and Cooling Problems InstallationIn-Band Access Reset the Switch TROUBLESHOOTING APPENDIX B CABLES Twisted-Pair Cable and Pin AssignmentsFigure B-1 RJ-45 Connector Pin Numbers Table B-1 10/100BASE-TX MDI and MDI-X Port Pinouts 10BASE-T/100BASE-TX Pin AssignmentsFigure B-2 Straight-through Wiring Straight-Through WiringFigure B-3 Crossover Wiring Crossover WiringCable Testing for Existing Category 5 Cable 1000BASE-T Pin AssignmentsTable B-2 1000BASE-T MDI and MDI-X Port Pinouts Adjusting Existing Category 5 Cabling to Run 1000BASE-T Fiber StandardsWeight APPENDIX C SPECIFICATIONSPhysical Characteristics Switching DatabasePower Consumption Switch FeaturesManagement Features Power SupplyCE Mark Emissions StandardsCompliances Software LoadingSPECIFICATIONS 100BASE-TX GLOSSARYGlossary-1 10BASE-TCollision Domain Glossary-2Bandwidth CollisionIEEE Glossary-3Full Duplex Gigabit EthernetLink Segment Glossary-4Media Access Control MAC LayerSwitched Ports Glossary-5Redundant Power Supply RPS RJ-45 ConnectorGLOSSARY Glossary-6INDEX NumericsIndex-1 Index-2 INDEX Index-3INDEX Index-4Page GSW-2476 E082006-JC-R01 149100011100H