Enterasys 802.1Q Guide de l'utilisateur

802.1Q VLANUser’s Guide9032599-03

Related Documentsviii PrefaceChapter 3, VLAN Configuration, describes how to set up the switch for local and remote management, shows the Local Manage

Virtual Local Area Networks 1-11Virtual Local Area NetworksThis chapter introduces the concepts of Virtual Local Area Networks (VLANs) and discusses t

Types of VLANs1-2 Virtual Local Area NetworksFigure 1-1 Example of a VLANIn this example, the Sales and Finance workstations have been placed on two s

Benefits and RestrictionsVirtual Local Area Networks 1-31.2.1 802.1Q VLANsAn 802.1Q VLAN switch determines the VLAN membership of a data frame by its

VLAN Terms1-4 Virtual Local Area Networks1.4 VLAN TERMSTo fully understand the operation and configuration of port based VLANs, it is essential to und

VLAN TermsVirtual Local Area Networks 1-5Port VLAN ListA per port list of all eligible VLANs whose frames can be forwarded out one specific port and t

Getting Help1-6 Virtual Local Area Networks1.5 GETTING HELPFor additional support related to this document, contact Enterasys Networks using one of th

VLAN Operation 2-12VLAN OperationThis chapter describes the operation of a VLAN switch and discusses the operations that a VLAN switch performs in res

Configuration Process2-2 VLAN Operation2.3 CONFIGURATION PROCESSBefore a VLAN can operate, steps must be performed to configure the switch to establis

VLAN Switch OperationVLAN Operation 2-32.4 VLAN SWITCH OPERATIONIEEE 802.1Q VLAN switches act on the classification of frames into VLANs. Sometimes, V

VLAN Switch Operation2-4 VLAN Operation2.4.1 Receiving Frames from VLAN PortsWhen a switch is placed in 802.1Q Operational Mode, every frame received

GARP Switch OperationVLAN Operation 2-52.4.2.2 Known UnicastsWhen a VLAN switch receives a frame with a known MAC address as its destination address,

VLAN Configuration 3-13VLAN ConfigurationThis chapter describes how to set up the switch for local or remote management, and the VLAN Local Management

Managing the Switch3-2 VLAN ConfigurationFigure 3-1 Switch Management with Only Default VLAN3.1.2 Switch with VLANsIf the switch is to be configured f

Managing the SwitchVLAN Configuration 3-3Figure 3-2 Switch Management with VLANsTo set up the switch shown in Figure 3-2 to establish a management VLA

Summary of VLAN Local Management3-4 VLAN ConfigurationThis process would be repeated on every switch that is connected in the network to ensure that e

802.1Q VLAN Configuration Menu ScreenVLAN Configuration 3-5Preparing for VLAN ConfigurationA little forethought and planning is essential to a good VL

802.1Q VLAN Configuration Menu Screen3-6 VLAN ConfigurationHow to AccessUse the arrow keys to highlight the 802.1Q VLAN CONFIGURATION MENU item from t

Device VLAN Configuration ScreenVLAN Configuration 3-73.4 DEVICE VLAN CONFIGURATION SCREENWhen to UseTo define the operating characteristics of the sw

NOTICEEnterasys Networks reserves the right to make changes in specifications and other information contained in this document and its web site withou

Device VLAN Configuration Screen3-8 VLAN ConfigurationScreen ExampleFigure 3-5 Device VLAN Configuration ScreenFirmware Revision: XX.XX.XXDevice

Device VLAN Configuration ScreenVLAN Configuration 3-9Field DefinitionsTable 3-2 Device VLAN Configuration Screen Field DefinitionsUse this field … To

Device VLAN Configuration Screen3-10 VLAN Configuration3.4.1 Defining a VLANTo define a VLAN, proceed as follows:1. Use the arrow keys to highlight th

Device VLAN Configuration ScreenVLAN Configuration 3-116. Type a name of up to 32 ASCII characters in the VLAN Name field. This is an optional attribu

Device VLAN Configuration Screen3-12 VLAN Configuration4. Use the arrow keys to highlight the SAVE command at the bottom of the screen. Press ENTER. T

Device VLAN Configuration ScreenVLAN Configuration 3-133. Use the arrow keys to highlight the SAVE command at the bottom of the screen. 4. Press ENTER

Port Assignment Configuration Screen3-14 VLAN Configuration3.5 PORT ASSIGNMENT CONFIGURATION SCREENWhen to UseTo select a mode of operation for each p

Port Assignment Configuration ScreenVLAN Configuration 3-15Field Definitions3.5.1 Changing the Port ModeTo change the operational mode of a port, proc

Port Assignment Configuration Screen3-16 VLAN Configuration• 1D TRUNK – This mode sets the port for transmitting to a legacy 802.1D switch fabric. In

Port Filtering Configuration ScreenVLAN Configuration 3-173.5.3 Paging Through the Port ListTo display additional ports that do not display in the cur

Port Filtering Configuration Screen3-18 VLAN ConfigurationScreen ExampleFigure 3-7 Port Filtering Configuration ScreenField DefinitionsTable 3-4 Port

Port Filtering Configuration ScreenVLAN Configuration 3-193.6.1 Displaying VLAN IDs Associated with a PortTo display the VLAN IDs and VLAN Names of th

VLAN Forwarding Configuration Screen3-20 VLAN Configuration3.6.2 Selecting the Type of Filtering for a PortA port can be set to filter out received fr

VLAN Forwarding Configuration ScreenVLAN Configuration 3-21Screen ExampleFigure 3-8 VLAN Forwarding Configuration ScreenField DefinitionsTable 3-5 VLA

VLAN Forwarding Configuration Screen3-22 VLAN Configuration3.7.1 Viewing Current VLAN PortsTo display the VLAN Forwarding List for a particular VLAN,

VLAN Forwarding Configuration ScreenVLAN Configuration 3-232. Use the arrow keys to highlight the Port field. Step through the available ports on the

Protocol VLAN Configuration Screen3-24 VLAN Configuration3.8 PROTOCOL VLAN CONFIGURATION SCREENWhen to UseTo assign a protocol to a VLAN ID on one or

Protocol VLAN Configuration ScreenVLAN Configuration 3-25Field DefinitionsTable 3-6 Protocol VLAN Configuration Screen Field DefinitionsUse this field

Protocol VLAN Configuration Screen3-26 VLAN ConfigurationProtocol Type (Selectable)Select one of the following protocol types: IP – pertains to all IP

Protocol VLAN Configuration ScreenVLAN Configuration 3-273.8.1 Displaying the Current Protocol, VLAN ID, andPort AssignmentsIn some instances it may b

Contents iiiContentsFigures ...

Protocol VLAN Configuration Screen3-28 VLAN Configuration2. Enter the VLAN ID. If a new VLAN ID is entered that has not been created on the switch, us

Protocol Ports Configuration ScreenVLAN Configuration 3-2911. Press ENTER and the new settings are displayed under the VLAN ID, Protocol Type, and Con

Protocol Ports Configuration Screen3-30 VLAN ConfigurationScreen ExampleFigure 3-10 Protocol Ports Configuration ScreenField DefinitionsTable 3-7 Prot

Protocol Ports Configuration ScreenVLAN Configuration 3-313.9.1 Adding/Deleting Ports Associated with a VLAN IDTo add or delete ports from a VLAN, pro

Quick VLAN Walkthrough3-32 VLAN Configuration3.10 QUICK VLAN WALKTHROUGHThe procedures below provide a short tutorial walkthrough that presents each o

Quick VLAN WalkthroughVLAN Configuration 3-33Figure 3-11 Walkthrough Stage OneIt is now time to assign a port to this new VLAN.9. Use the arrow keys t

Quick VLAN Walkthrough3-34 VLAN Configuration11. Use the SPACE bar to step sequentially through the previously configured VLAN ID numbers. When the nu

Quick VLAN WalkthroughVLAN Configuration 3-3513. Use the arrow keys to highlight the Port Mode field for port 10. Use the SPACE bar or BACKSPACE key t

Quick VLAN Walkthrough3-36 VLAN ConfigurationFigure 3-14 Walkthrough Stage Four16. Use the arrow keys to highlight the Admin Status field of VLAN ID 2

Quick VLAN WalkthroughVLAN Configuration 3-3720. On the 802.1Q VLAN Main Menu screen, use the arrow keys to highlight the PORT FILTERING CONFIGURATION

iv Contents3.4.1 Defining a VLAN ... 3-103.4.2 Changing the VLAN to FID Associ

Examples 4-14ExamplesThis chapter provides examples of how VLAN aware SmartSwitches can be configured to group users at the port level to create VLANs

Example 1, Single Switch Operation4-2 Examples4.1.1 Solving the ProblemTo set up this switch, users will be assigned to two new VLANs, red stations to

Example 2, VLANs Across Multiple SwitchesExamples 4-34.1.2 Frame HandlingThis section describes the operations of the switch when two frames are recei

Example 2, VLANs Across Multiple Switches4-4 ExamplesFigure 4-3 Example 2, VLANs Across Multiple Switches4.2.1 Solving the ProblemTo solve the problem

Example 2, VLANs Across Multiple SwitchesExamples 4-5Switch 4Switch 4 is set as follows:1. Two VLANs are added to the list of VLANs in the Device/VLAN

Example 2, VLANs Across Multiple Switches4-6 Examples2. A Port VLAN ID is assigned to each port (1 and 3) as follows using the Port Assignment screen:

Example 2, VLANs Across Multiple SwitchesExamples 4-72. Switch 4 receives the frame from Bridge 1 and immediately classifies it as belonging to the Re

Example 3, 1D Trunk Connection to 802.1Q VLAN Network4-8 Examples3. When Switch 2 receives the tagged frame on its Port 2, it checks the frame’s VLAN

Example 3, 1D Trunk Connection to 802.1Q VLAN NetworkExamples 4-9In this example, a merger has taken place between the companies in the previous examp

Figures vFigure PageFigures1-1 Example of a VLAN ...

Example 3, 1D Trunk Connection to 802.1Q VLAN Network4-10 ExamplesThe Green Incorporated Network Administrators want to continue to separate normal ne

Example 3, 1D Trunk Connection to 802.1Q VLAN NetworkExamples 4-113. A Port VLAN ID is assigned to Port 1 using the Port Assignment screen, as follows

Example 3, 1D Trunk Connection to 802.1Q VLAN Network4-12 ExamplesFigure 4-8 Bridge 1 Broadcasts Frames3. Switch 2 receives the tagged Red VLAN frame

Example 3, 1D Trunk Connection to 802.1Q VLAN NetworkExamples 4-13Figure 4-10 Switch 1 Forwards to 1D Trunk5. The Mail Server receives the broadcast f

Example 4, Isolating Network Traffic According to Protocol4-14 Examples8. Bridge 1 receives the frame and recognizes User B’s MAC address. The frame i

Example 4, Isolating Network Traffic According to ProtocolExamples 4-15Figure 4-11 Example 4, Isolating Traffic According to Protocol4.4.1 Solving the

Example 4, Isolating Network Traffic According to Protocol4-16 ExamplesTwo 1Q Trunk ports must be activated and configured on Switch 3, and one 1Q Tru

Example 4, Isolating Network Traffic According to ProtocolExamples 4-173. To allow all frames (except the AppleTalk frames, which will be prevented in

Example 4, Isolating Network Traffic According to Protocol4-18 Examples6. Use the VLAN Forwarding Configuration screen to assign Port 1 to the Yellow

Index-1IndexNumerics1D Trunk 1-5, 3-16, 4-81Q Trunk 1-5, 3-15, 4-3CChaptersorganization viiConfiguration 2-2Conventions viiiDDefault VLAN 1-4Device VL

viTa bl e PageTables3-1 802.1Q VLAN Configuration Menu Screen Menu Items ...3-63-2 Device VLAN Configurati

Index-2NNetwork Trafficisolating 4-14OOrganization of chapters viiOther manuals viiiPPort Assignment Configuration screenFID (Read-Only) 3-15Port Mode

Index-3configuration 2-2default VLAN 1-4defining 2-2definition 1-1 to 1-3operation 2-3terms 1-4types 1-2VLAN Configurationdeleting 3-12disabling 3-12e

Preface viiPrefaceWelcome to the Enterasys Networks 802.1Q VLAN User’s Guide. This guide introduces and describes Enterasys Networks’ implementation o