Cabletron Systems 802.1Q manual Changing the Frame Format, Protocol Vlan Configuration Screen

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Chapter 3: VLAN Conﬁguration

2.Use the arrow keys to highlight the Port field. Step through the available ports on the module with the SPACE bar or BACKSPACE.

3.Use the arrow keys to highlight the ADD/DELETE field. Press the SPACE bar to select DEL. Press ENTER.

The Forwarding List entry will be deleted from the list of current VLANs once the configuration is saved.

4.Use the arrow keys to highlight the SAVE command at the bottom of the screen.

5.Press ENTER. The message “SAVED OK” displays and the port is deleted from the VLAN Forwarding List of the selected VLAN.

3.7.5Changing the Frame Format

To change the frame format for a port, proceed as follows:

1.Use the arrow keys to highlight the Port field. Step through the available ports by pressing the SPACE bar or BACKSPACE.

2.Using the arrow keys, select the Frame Type field. Use the SPACE bar or BACKSPACE to toggle between Tagged or Untagged.

3.Use the arrow keys to highlight the SAVE command at the bottom of the screen.

4.Press ENTER. The message “SAVED OK” displays.

3.8PROTOCOL VLAN CONFIGURATION SCREEN

When to Use

To assign a protocol to a VLAN ID on one or more ports on the switch. This enables the switch to add a particular VLAN identiﬁer with the speciﬁed protocol to each frame that arrives on a conﬁgured port. Other switches receiving the frame will classify the frame according to the VLAN identiﬁer within the frame. Entries may also be deleted or modiﬁed.

When the frame is transmitted, it is sent to the ports associated with the VLAN ID as established using the Protocol Port Conﬁguration screen.

3-24	802.1Q VLAN User’s Guide

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Contents 802.1Q Vlan User’s Guide Page 802.1Q Vlan User’s Guide 802.1Q Vlan User’s Guide Contents Contents Contents Contents 802.1Q Vlan User’s Guide Figures Tables Using this Guide Structure of this GuideRelated Documents Document ConventionsChapter Virtual Local Area Networks Defining VLANsBuilding One Building Two SecureFast VLANs Types of VLANs1 802.1Q VLANs Other Vlan StrategiesBenefits and Restrictions Vlan TermsData frame that does not have a Tag Header 1D Trunk Getting Help Your email address802.1Q Vlan User’s Guide Description Vlan ComponentsClassifying Frames to a Vlan Configuration Process1 Deﬁning a Vlan Vlan Switch Operation Customizing the Vlan Forwarding ListInside the Switch Receiving Frames from Vlan PortsKnown Unicasts Forwarding DecisionsBroadcasts, Multicasts, and Unknown Unicasts Garp Switch Operation Managing the Switch Switch Without VLANsSwitch with VLANs Switch Management with VLANsManaging the Switch Summary of Vlan Local Management Preparing for Vlan Conﬁguration802.1Q Vlan Configuration Menu Screen When to UseHow to Access Menu Deﬁnitions Device Vlan Configuration Screen Device Vlan Conﬁguration ScreenField Deﬁnitions 1 Deﬁning a Vlan Changing the Vlan to FID Association Renaming a VlanDisabling VLANs Deleting a VlanEnabling VLANs Changing the Forwarding Mode Paging Through the Vlan ListPort Assignment Configuration Screen Port Assignment Conﬁguration ScreenChanging the Port Mode Port ModeAssigning a Vlan ID Port Filtering Configuration Screen Paging Through the Port ListPort Filtering Conﬁguration Screen Displaying Vlan IDs Associated with a Port Vlan ListsSelecting the Type of Filtering for a Port Vlan Forwarding Configuration Screen Vlan Forwarding Conﬁguration ScreenViewing Current Vlan Ports Frame FormatDeleting Forwarding List Entries Paging Through Vlan Forwarding List EntriesAdding Forwarding List Entries Protocol Vlan Configuration Screen Changing the Frame FormatProtocol Vlan Conﬁguration Screen Selectable Feature Status Assigning a Protocol Family to a Vlan ID Ether typeProtocol Vlan Conﬁguration Screen Displaying the Protocol Types on Current Ports Protocol Ports Configuration Screen 10 Protocol Ports Conﬁguration ScreenDelete ALL Adding/Deleting Ports Associated with a Vlan ID Quick Vlan Walkthrough802.1Q Vlan User’s Guide Hybrid 12 Walkthrough Stage Two 13 Walkthrough Stage Three 14 Walkthrough Stage Four Quick Vlan Walkthrough 15 Final Walkthrough Stage Example 1, Single Switch Operation Chapter ExamplesSolving the Problem Switch Conﬁgured for VLANsFrame Handling Example 2, Vlans Across Multiple Switches Example 2, VLANs Across Multiple Switches Switch Example 2, VLANs Across Multiple Switches Bridge 1 Broadcasts Frames Transmitting to Switch Example 3, 1D Trunk Connection to 802.1Q Vlan Network Transmitting to BridgeExample 3, 1D Trunk Connection to 802.1Q Vlan Network Solving the Problem Frame Handling 226318 Switch 2 Forwards to 1Q Trunk Examples Example 4, Isolating Network Traffic According to Protocol 11 Example 4, Isolating Trafﬁc According to Protocol Switch Examples Example 4, Isolating Network Trafﬁc According to Protocol Examples 802.1Q Vlan User’s Guide Index NumericsIndex-2 802.1Q Vlan User’s Guide 802.1Q Vlan User’s Guide Index-3 Index Index-4 802.1Q Vlan User’s Guide