Cabletron Systems 802.1Q User Manuals

Table of Contents

• Title Page

  1
• Notice

  3
• Contents

  5
• Figures

  9
• Tables

  10
• Preface

  11
• Virtual Local Area Networks

  13
  • 1.1 Defining VLANs

    13
  • 1.2 Types of VLANs

    15
    • 1.2.1 802.1Q VLANs

      15
    • 1.2.2 SecureFast VLANs

      15
    • 1.2.3 Other VLAN Strategies

      15
  • 1.3 Benefits and Restrictions

    16
  • 1.4 VLAN Terms

    16
  • 1.5 Getting Help

    19
• VLAN Operation

  21
  • 2.1 Description

    21
  • 2.2 VLAN Components

    21
  • 2.3 Configuration Process

    22
    • 2.3.1 Defining a VLAN

      22
    • 2.3.2 Classifying Frames to a VLAN

      22
    • 2.3.3 Customizing the VLAN Forwarding List

      23
  • 2.4 VLAN Switch Operation

    23
    • 2.4.1 Receiving Frames from VLAN Ports

      24
    • 2.4.2 Forwarding Decisions

      25
      • 2.4.2.1 Broadcasts, Multicasts, and Unknown Unicasts

        25
      • 2.4.2.2 Known Unicasts

        25
  • 2.5 GARP Switch Operation

    26
• VLAN Configuration

  27
  • 3.1 Managing the Switch

    27
    • 3.1.1 Switch Without VLANs

      27
    • 3.1.2 Switch with VLANs

      28
  • 3.2 Summary of VLAN Local Management

    30
    • 3.2.1 Preparing for VLAN Configuration

      30
  • 3.3 802.1Q VLAN Configuration Menu Screen

    31
  • 3.4 Device VLAN Configuration Screen

    34
    • 3.4.1 Defining a VLAN

      36
    • 3.4.2 Changing the VLAN to FID Association

      37
    • 3.4.3 Renaming a VLAN

      37
    • 3.4.4 Deleting a VLAN

      38
    • 3.4.5 Enabling VLANs

      38
    • 3.4.6 Disabling VLANs

      38
    • 3.4.7 Changing the Forwarding Mode

      39
    • 3.4.8 Paging Through the VLAN List

      39
  • 3.5 Port Assignment Configuration Screen

    40
    • 3.5.1 Changing the Port Mode

      41
    • 3.5.2 Assigning a VLAN ID

      42
    • 3.5.3 Paging Through the Port List

      43
  • 3.6 Port Filtering Configuration Screen

    43
    • 3.6.1 Displaying VLAN IDs Associated with a Port

      45
    • 3.6.2 Selecting the Type of Filtering for a Port

      46
  • 3.7 VLAN Forwarding Configuration Screen

    47
    • 3.7.1 Viewing Current VLAN Ports

      48
    • 3.7.2 Paging Through VLAN Forwarding List Entries

      49
    • 3.7.3 Adding Forwarding List Entries

      49
    • 3.7.4 Deleting Forwarding List Entries

      49
    • 3.7.5 Changing the Frame Format

      50
  • 3.8 Protocol VLAN Configuration Screen

    50
    • 3.8.1 Displaying the Current Protocol, VLAN ID, and Port Assignments

      54
    • 3.8.2 Assigning a Protocol Family to a VLAN ID

      54
    • 3.8.3 Displaying the Protocol Types on Current Ports

      56
  • 3.9 Protocol Ports Configuration Screen

    57
    • 3.9.1 Adding/Deleting Ports Associated with a VLAN ID

      59
  • 3.10 Quick VLAN Walkthrough

    59
• Examples

  67
  • 4.1 Example 1, Single Switch Operation

    67
    • 4.1.1 Solving the Problem

      68
    • 4.1.2 Frame Handling

      69
  • 4.2 Example 2, VLANs Across Multiple Switches

    70
    • 4.2.1 Solving the Problem

      71
    • 4.2.2 Frame Handling

      74
  • 4.3 Example 3, 1D Trunk Connection to 802.1Q VLAN Network

    76
    • 4.3.1 Solving the Problem

      78
    • 4.3.2 Frame Handling

      79
  • 4.4 Example 4, Isolating Network Traffic According to Protocol

    83
    • 4.4.1 Solving the Problem

      84
• Index

  89
  • Numerics

    89
  • C

    89
  • D

    89
  • E

    89
  • F

    89
  • H

    89
  • I

    89
  • L

    89
  • M

    89
  • N

    89
  • O

    89
  • P

    90
  • R

    90
  • S

    90
  • T

    90
  • U

    91
  • V

    91