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Nortel Networks 450 manual Vlans Spanning Multiple Untagged Switches

Models: 450

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Using the BayStack 450 10/100/1000 Series Switch

Because there is only one link between the two switches, the Spanning Tree Protocol (STP) treats this configuration as any other switch-to-switch connection. For this configuration to work properly, both switches must support the 802.1Q tagging protocol.

VLANS Spanning Multiple Untagged Switches

Figure 1-22 shows VLANs spanning multiple untagged switches. In this configuration switch S2 does not support 802.1Q tagging and you must use a single switch port on each switch for each VLAN.

For this configuration to work properly, you must set spanning tree participation to Disabled (the STP is not supported across multiple LANs).

VLAN 1

VLAN 2

	S1	BayStack 450-24T
	Untagged ports	Untagged ports
	S2	Non-802.1Q
	S2	tagging switch
		tagging switch

BS45016A

Figure 1-22. VLANs Spanning Multiple Untagged Switches

When the STP is enabled on these switches, only one link between each pair of switches will be forwarding traffic. Because each port belongs to only one VLAN at a time, connectivity on the other VLAN is lost. Exercise care when configuring the switches to ensure that the VLAN configuration does not conflict with spanning tree configuration.

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Nortel Networks 450 manual Vlans Spanning Multiple Untagged Switches, VLANs Spanning Multiple Untagged Switches

Contents

Using the BayStack 450 10/100/1000 Series Switch Copyright 1999 Nortel Networks TrademarksStatement of Conditions USA Requirements OnlyJapan/Nippon Requirements Only Taiwan RequirementsCanada Requirements Only EC Declaration of ConformityNortel Networks NA Inc. Software License Agreement Rev Page Contents Viii Chapter Installing the BayStack 450 Switch Chapter Using the Console Interface Chapter Troubleshooting Appendix B Gigabit Fiber Optical Characteristics MDI-X to MDI-X Cable Connections Page Figures Xvi Switch Configuration Menu Screen 36. Sample Event Log Entry Showing Excessive Bad Entries Tables Table B-1 Preface AudienceOrganization If you want to Go toText Conventions AcronymsRelated Publications How to Get Help Technical Solutions Center Telephone NumberPage BayStack 450 Switch Versions Physical DescriptionBayStack 450 Switch Front Panels Front PanelComm Port Port ConnectorsUplink/Expansion Slot 100BASE-FX MT-RJ Ports LED Display Panel BayStack 450-24T/12T LED Display PanelBayStack 450-12F Switch Label Type Color State MeaningBayStack 450 Switch LED Descriptions Back Panel International Power Cord Specifications AC Power ReceptacleCountry/Plug description Specifications Typical plug Rpsu Connector Cascade Module Slot FeaturesCooling Fans Using the BayStack 450 10/100/1000 Series Switch Telnet Ieee 802.1p Prioritizing Ieee 802.1Q VLANsIgmp Snooping Feature Storage of Switch Software ImageStorage of Configuration Parameters Flash Memory StoragePort Mirroring MultiLink TrunkingAutosensing and Autonegotiation BootP Automatic IP Configuration/MAC Address Stack software offset is Then the Stack MAC address becomesConfiguration and Switch Management Network ConfigurationSnmp MIB Support Desktop Switch Application BayStack 450 Switch Used as a Desktop SwitchSegment Switch Application BayStack 450 Switch Used as a Segment SwitchHigh-Density Switched Workgroup Application Configuring Power Workgroups and a Shared Media HubFail-Safe Stack Application Fail-Safe Stack ExampleStack Operation BayStack 400-ST1 Cascade ModuleUnit Select Switch Cascade a Out ConnectorCascade a In Connector Initial Installation Base UnitStack MAC Address Temporary Base UnitStack Configurations Removing a Unit from the StackStack Up Configurations Stack Down Configurations13. Stack Down Configuration Example Redundant Cascade Stacking Feature 14. Redundant Cascade Stacking Feature Ieee 802.1Q Vlan Workgroups 15. Port-Based Vlan ExampleIeee 802.1Q Tagging 16. Default Vlan Settings 17 .1Q Tagging 1 19 .1Q Tagging 3 VLANs Spanning Multiple Switches Vlans Spanning Multiple 802.1Q Tagged SwitchesVlans Spanning Multiple Untagged Switches 22. VLANs Spanning Multiple Untagged Switches23. Possible Problems with VLANs and Spanning Tree Protocol Shared Servers 24. Multiple VLANs Sharing Resources25. Vlan Broadcast Domains Within the Switch To configure the Vlan port membership for Vlan Default Vlan Configuration screen opens FigureTo configure the Pvid port Vlan identifier for Port 27. Vlan Configuration Screen Example28. Default Vlan Port Configuration Screen Example 29. Vlan Port Configuration Screen Example Vlan Workgroup Summary30. Vlan Configuration Spanning Multiple Switches Vlan Configuration Rules Igmp Snooping 31. IP Multicast Propagation With Igmp Routing 32. BayStack 450 Switch Filtering IP Multicast Streams 1 33. BayStack 450 Switch Filtering IP Multicast Streams 2 Igmp Snooping Configuration Rules Ieee 802.1p Prioritizing 34. Prioritizing Packets35. Port Transmit Queue To configure the port priority level, follow these steps Traffic Class Configuration screen opens FigureVlan Port Configuration screen opens Figure 37. Setting Port Priority Example38. Switch-to-Switch Trunk Configuration Example MultiLink TrunksClient/Server Configuration Using MultiLink Trunks 39. Switch-to-Server Trunk Configuration Example40. Client/Server Configuration Example Trunk Configuration Screen for Switch S1 Trunk Configuration Screen ExamplesSetting up the Trunk Configuration For S1 MultiLink Trunk Configuration screen opens Figure 42. MultiLink Trunk Configuration Screen for Switch S1Using the BayStack 450 10/100/1000 Series Switch Trunk Configuration Screen for Switch S2 43. MultiLink Trunk Configuration Screen for Switch S2Using the BayStack 450 10/100/1000 Series Switch Trunk Configuration Screen for Switch S3 44. MultiLink Trunk Configuration Screen for Switch S3Using the BayStack 450 10/100/1000 Series Switch Trunk Configuration Screen for Switch S4 45. MultiLink Trunk Configuration Screen for Switch S4Using the BayStack 450 10/100/1000 Series Switch Before Configuring Trunks MultiLink Trunking Configuration RulesUsing the BayStack 450 10/100/1000 Series Switch 46. Loss of Distributed Trunk Members Spanning Tree Considerations for MultiLink Trunks 47. Path Cost Arbitration Example48. Example 1 Correctly Configured Trunk 49. Example 2 Detecting a Misconfigured Port Additional Tips About the MultiLink Trunking Feature Port Mirroring Conversation Steering Port-Based Mirroring Configuration 50. Port-Based Mirroring Configuration ExampleUsing the BayStack 450 10/100/1000 Series Switch Address-Based Mirroring Configuration 51. Port Mirroring Port-Based Screen Example52. Address-Based Mirroring Configuration Example 53. Port Mirroring Address-Based Screen Example Port Mirroring Configuration Rules Chapter Installing the BayStack 450 Switch Installation RequirementsPackage Contents Installation Procedure Installing the BayStack 450 Switch on a Flat SurfaceInstalling the BayStack 450 Switch in a Rack Positioning the Chassis in the Rack Attaching Mounting Brackets Attaching Devices to the BayStack 450 Switch Connecting the 10BASE-T/100BASE-TX Ports 100 Mb/s Port ConnectionsConnecting Fiber Optic Ports Fiber Optic Port ConnectionsConsole/Comm Port Connecting a Terminal to the Console/Comm Port Connecting to the Console/Comm PortConnecting Power BayStack 450 Switch AC Power Receptacle Grounded AC Power OutletVerifying the Installation Verifying the Installation Using the LEDsPower-Up Sequence Stage Description LED indicationVerifying the Installation Using the Self-Test Screen Configuration includes an additional test Cascade Sram test12. Nortel Networks Logo Screen Initial Setup Standalone Switch Setup13. Main Menu 14. IP Configuration/Setup Screen Standalone Switch Stack Setup 15. Main Menu Standalone Switch Example 17. IP Configuration/Setup Screen Stack Configuration Installing the BayStack 450 Switch Page Chapter Using the Console Interface Accessing the CI Menus and ScreensUsing the CI Menus and Screens Navigating the CI Menus and ScreensScreen Fields and Descriptions Map of Console Interface ScreensMain Menu Console Interface Main MenuDescribes the CI main menu options Console Interface Main Menu optionsConfiguration File ResetReset to Default SettingsOptionDescription LogoutIP Configuration/Setup Describes the IP Configuration/Setup screen fieldsIP Configuration/Setup Screen Fields BootP When Needed Choosing a BootP Request ModeFieldDescription BootP Always BootP DisabledBootP or Last Address Snmp Configuration Describes the Snmp Configuration screen fieldsSnmp Configuration Screen Fields Field Description Read-OnlyPoint System Characteristics Describes the System Characteristics screen fieldsSystem Characteristics Screen Fields System Characteristics Screen Fields Switch Configuration Describes the Switch Configuration Menu screen optionsSwitch Configuration Menu Screen Options MAC Address Table Option Description Display Port StatisticsClear All Port Statistics Return to Main MenuDescribes the MAC Address Table screen fields MAC Address Table Screen FieldsField Description Aging Time Find an AddressVlan Configuration Menu Field DescriptionDescribes the Vlan Configuration Menu screen options Vlan Configuration Menu Screen OptionsVlan Configuration Vlan Configuration ScreenDescribes the Vlan Configuration screen fields Vlan Configuration Screen FieldsField Description Create Vlan Delete VlanVlan Port Configuration Describes the Vlan Port Configuration screen fields Vlan Port Configuration Screen FieldsField Description Unit PortVlan Port Configuration Screen Fields Vlan Display by Port 11. Vlan Display by Port ScreenTraffic Class Configuration 10 describes the Vlan Display by Port screen fieldsVlan Display by Port Screen Fields Port NameTraffic Class Configuration Screen Fields 11 describes the Traffic Class Configuration screen fieldsField Description User Priority Port Configuration Port Configuration Screen 1MDAs only support 1000 Mb/s in full-duplex mode 12 describes the Port Configuration screen fieldsPort Configuration Screen 2 Port Configuration Screen FieldsAutonegotiation High Speed Flow Control ConfigurationSpeed/Duplex1 15. High Speed Flow Control Configuration Screen High Speed Flow Control Configuration Screen FieldsSymmetric Mode Choosing a High Speed Flow Control Mode13. High Speed Flow Control Configuration Screen Fields MultiLink Trunk Configuration AsymmetricOption Description MultiLink Trunk 14. MultiLink Trunk Configuration Menu Screen OptionsUtilization MultiLink Trunk Configuration Screen MultiLink Trunk Configuration Screen Fields Field Description TrunkMultiLink Trunk Configuration Screen Fields MultiLink Trunk Utilization Screen18. MultiLink Trunk Utilization Screen 1 16 describes the MultiLink Trunk Utilization screen fields MultiLink Trunk Utilization Screen FieldsTraffic Type Unit/PortMultiLink Trunk Utilization Screen Fields Port Mirroring Configuration 20. Port Mirroring Configuration Screen17 describes the Port Mirroring Configuration screen fields Port Mirroring Configuration Screen FieldsFields Description Port-based Monitoring ModesAddress-based Rate Limiting Configuration 21. Rate Limiting Configuration Screen 122. Rate Limiting Configuration Screen 2 19 describes the Rate Limiting Configuration screen fields Rate Limiting Configuration Screen FieldsIgmp Configuration 23. Igmp Configuration Screen20 describes the Igmp Configuration screen fields Igmp Configuration Screen FieldsSnooping ProxyIgmp Configuration Screen Fields Port Statistics 24. Port Statistics ScreenGigabit MDA 21 describes the Port Statistics screen fieldsPort Statistics Screen Fields Port Statistics Screen Fields Field Description Collisions Console/Comm Port Configuration 22. Console/Comm Port Configuration Screen FieldsBaud, 4800 Baud, 9600 Baud, 19200 Baud, 38400 Baud FieldDescription Console Switch PasswordSwitch Password Console StackAny Ascii string of up to 15 printable characters An Ascii string of up to 15 printable characters 22. Console/Comm Port Configuration Screen Fields 22. Console/Comm Port Configuration Screen Fields Renumber Stack Units 26. Renumber Stack Units Screen23 describes the Renumber Stack Units screen options 23. Renumber Stack Units Screen OptionsSpanning Tree Configuration Hardware Unit Information24. Spanning Tree Configuration Menu Screen Options Option DescriptionSpanning Tree Port Configuration 29. Spanning Tree Port Configuration Screen 130. Spanning Tree Port Configuration Screen 2 Spanning Tree Port Configuration Screen FieldsSpanning Tree Port Configuration Screen Fields Display Spanning Tree Switch Settings 31. Spanning Tree Switch Settings Screen26 describes the Spanning Tree Switch Settings parameters 26. Spanning Tree Switch Settings ParametersParameter Description Designated Root Root Port Root Path Cost Hello TimeParameter Description Forward Delay DelayBridge Hello TimeTelnet Configuration 27 describes the Telnet Configuration screen fields27. Telnet Configuration Screen Fields Inactivity Timeout Event LoggingTelnet Configuration Screen Fields Software Download 28 describes the Software Download screen fields 28. Software Download Screen FieldsLED Indications During the Download Process Start Tftp Load of New Image29. LED Indications During the Software Download Process Software imageConfiguration File 34. Configuration File Download/Upload Screen30. Configuration File Download/Upload Screen Fields Copy ConfigurationRetrieve Configuration Image to ServerParameters Not Saved to the Configuration File These parameters are not saved Used in this screen SeeDisplay Event Log 35. Event Log ScreenExcessive Bad Entries Write ThresholdFlash Update 37. Sample Event Log Entry Exceeding the Write ThresholdReset 39. Self-Test Screen After Resetting the Switch40. Nortel Networks Logo Screen Reset to Default Settings 41. Self-Test Screen After Resetting to Default Settings Using the BayStack 450 10/100/1000 Series Switch 43. Password Prompt Screen LogoutPage Chapter Troubleshooting Interpreting the LEDs Troubleshooting Configuration’s temporary base unit. This condition occurs Diagnosing and Correcting the Problem Normal Power-Up Sequence Symptom Probable cause Corrective action Port Connection ProblemsCorrective Actions Autonegotiation Modes Port Interface Page Parameter Operating Specification Storage Specification EnvironmentalElectrical Parameter Model 450-24T Model 450-12T/12FPhysical Dimensions Performance SpecificationsParameter Specifications Network Protocol and Standards CompatibilitySafety Agency Certification Interface OptionsElectromagnetic Emissions Electromagnetic ImmunityDeclaration of Conformity Operating Range 1000BASE-SX ModelsTable B-1 Operating Range for 1000BASE-SX Table B-2 1000BASE-SX Transmit Characteristics Transmit CharacteristicsMicron Description Multimode Fiber Units Worst-Case Power Budget and Penalties Receive CharacteristicsTable B-3 1000BASE-SX Receive Characteristics 1000BASE-LX Models Micron Parameter Multimode Fiber UnitsTable B-6 1000BASE-LX Transmit Characteristics Table B-7 1000BASE-LX Receive CharacteristicsMicron Single-Mode Description Multimode Fiber Unit Description Value UnitsTable B-7 BASE-LX Receive Characteristics Parameter Um MMF Um SMF UnitAppendix C Media Dependent Adapters Interface type Model Refer to10BASE-T/100BASE-TX MDA Label Description100BASE-FX MDAs Figure C-2 BASE-FX MDA Front Panels Table C-2 BASE-FX MDA Components 1000BASE-SX MDAs Figure C-3 BASE-SX MDA Front Panels Table C-3 BASE-SX MDA Components PHYM1000BASE-LX MDAs Table C-4 describes the 1000BASE-LX MDA components and LEDs Figure C-4 BASE-LX MDA Front PanelsInstalling an MDA Table C-4 BASE-LX MDA ComponentsFigure C-5. Installing an MDA Replacing an MDA with a Different Model1000BASE-LX Multimode Applications Remove the AC power cord from the power sourceLoosen the thumbscrews and remove the MDA Using the BayStack 450 10/100/1000 Series Switch Appendix D Quick Steps to Features To learn more about See this sectionConfiguring 802.1Q VLANs To create or modify an 802.1Q VLAN, follow the flowchartsFigure D-2. Configuring 802.1Q VLANs 2 Configuring MultiLink Trunks Figure D-3. Configuring MultiLink TrunksConfiguring Port Mirroring Figure D-4. Configuring Port Mirroring 1Figure D-5. Configuring Port Mirroring 2 Configuring Igmp Snooping Figure D-6. Configuring Igmp Snooping 1Figure D-7. Configuring Igmp Snooping 2 Figure D-8. Configuring Igmp Snooping 3 Page RJ-45 10BASE-T/100BASE-TX Port Connectors Figure E-1. RJ-45 8-Pin Modular Port ConnectorPin Signal Description Table E-1 RJ-45 Port Connector Pin AssignmentsMDI and MDI-X Devices MDI-X to MDI Cable Connections Figure E-2. MDI-X to MDI Cable ConnectionsMDI-X to MDI-X Cable Connections Figure E-3 MDI-X to MDI-X Cable ConnectionsDB-9 RS-232-D Console/Comm Port Connector Table E-2 DB-9 Console/Comm Port Connector Pin AssignmentsPage Appendix F Default Settings Field Default setting Appears in this CI screenField Default setting Appears in this CI screen Default Settings Vlan Default Settings Server Appendix G Sample BootP Configuration File Using the BayStack 450 10/100/1000 Series Switch Index Index-2 Index-3 Index-4 Index-5 Index-6