Table of Contents

About This Guide

1

Overview of this User’s Guide

1

Introduction

2

Features

2

Ports

2

Performance Features

2

Management

3

Unpacking and Setup

5

Unpacking

5

Installation

5

Desktop or Shelf Installation

5

Rack Installation

6

Power on

7

Power Failure

7

Identifying External Components

8

Front Panel

8

Rear Panel

8

Side Panels

9

Optional 100BASE and 1000BASE Extension Modules

9

LED Indicators

13

Connecting The Switch

14

Switch to End Node

14

Switch to Hub or Switch

14

Switch Management and Operating Concepts

16

Local Console Management

16

Diagnostic (console) port (RS-232 DCE)

16

IP Addresses and SNMP Community Names

17

Traps

18

MIBs

19

SNMP

19

Authentication

19

Packet Forwarding

20

MAC Address Aging Time

20

Filtering

20

Spanning Tree Protocol

21

STP Operation Levels

21

Bridge Protocol Data Units

22

Creating a Stable STP Topology

23

STP Port States

23

User-Changeable STP Parameters

25

Illustration of STP

25

VLANs

27

Notes About VLANs on the DES-3226

27

IEEE 802.1Q VLANs

27

802.1Q VLAN Packet Forwarding

28

802.1Q VLAN Tags

29

Port VLAN ID

30

vii

 

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D-Link DES-3226 manual Table of Contents