D-Link DES-2108 Manuale utente

DES-2108

8-port 10/100

Fast Ethernet Switch

User’s Guide

FCC Warning

This equipment has been tested and found to comply with the limits

for a Class A digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference when the equipment is operated in a commercial

environment. This equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in accordance with this

user’s guide, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause

harmful interference in which case the user will be required to correct

the interference at his own expense.

CE Mark Warning

This is a Class A product. In a domestic environment, this product

may cause radio interference in which case the user may be required

to take adequate measures.

VCCI Warning

TABLE OF CONTENTS

About This Guide ................................................................................ 1

Terms ........................................................................................... 1

Overview of this User’s Guide .................................................... 1

Introduction.......................................................................................... 2

Fast Ethernet Technology ............................................................ 2

Switching Technology ................................................................. 2

Switch Description....................................................................... 4

Features........................................................................................ 4

Ports ............................................................................................. 5

Unpacking and Setup........................................................................... 7

Unpacking.................................................................................... 7

Setup ............................................................................................ 7

Installing the Switch on a Desktop .............................................. 8

Installing the Switch on a Rack ................................................... 9

Power on .................................................................................... 10

Identifying External Components...................................................... 11

Front Panel Components............................................................ 11

Rear Panel .................................................................................. 12

LED Indicators........................................................................... 12

Power and CPU LEDs ............................................................... 13

10/100M Fast Ethernet Ports Status LEDs ................................ 13

Introduction To Switch Management ................................................ 15

Management Options ................................................................. 15

Web Management Utility........................................................... 15

Web-based Management Interface............................................. 15

Command Line Interface (CLI) ................................................. 16

SNMP-Based Management........................................................ 16

Configuration The Switch.................................................................. 17

Web Management Utility........................................................... 17

Installing the Web Management Utility............................. 17

Discovery List.................................................................... 18

Monitor List ....................................................................... 19

Device Setting.................................................................... 21

Toolbar............................................................................... 23

Configuring the Switch using Web Browser ............................. 24

Setup Menu ........................................................................ 28

Configuring Setup Setting.................................................. 29

VLAN Settings (Virtual Local Area Network).................. 31

iii

Mirror Setting .................................................................... 33

Spanning Tree Setting........................................................ 34

SNMP Setting .................................................................... 36

Static MAC ........................................................................ 42

IGMP Snooping Setting..................................................... 45

Device Status ..................................................................... 47

Statistic............................................................................... 48

System Setting ................................................................... 49

Trap Setting........................................................................ 50

Set Password ...................................................................... 51

Backup Setting................................................................... 52

Reset Setting ...................................................................... 52

Logout................................................................................ 53

Configuring the Switch using the CLI ....................................... 54

IP Address of the Switch.................................................... 54

Using the CLI via Telnet interface..................................... 55

Command Syntax............................................................... 56

Basic Switch Commands ................................................... 57

Basic IP Commands........................................................... 63

Switch Port Commands...................................................... 65

VLAN Commands ............................................................. 68

Port Mirroring Commands................................................. 77

Trap Commands................................................................. 80

Spanning Tree Commands................................................. 85

SNMP Commands ............................................................. 92

IGMP Snooping Commands ............................................ 100

Technical Specifications .................................................................. 106

ABOUT THIS GUIDE

This user’s guide tells you how to install your DES-2108, how to

connect it to your network.

Terms

For simplicity, this documentation uses the terms “Switch” (first letter

upper case) to refer to the DES-2108, and “switch” (first letter lower

case) to refer to all Ethernet switches, including the DES-2108.

Overview of this User’s Guide

Introduction Describes the Switch and its features.

Unpacking and

Setup Helps you get started with the basic

installation of the Switch.

Identifying

External

Components Describes the front panel, rear panel, and

LED indicators of the Switch.

Configuration

the Switch Tell to how to configuration the

management functions of the Switch.

Technical

Specification Lists the technical specifications of the

Switch.

INTRODUCTION

This section describes the features of the DES-2108, as well as giving

some background information about Fast Ethernet and Switching

technology.

Fast Ethernet Technology

The growing importance of LANs and the increasing complexity of

desktop computing applications are fueling the need for high

performance networks. A number of high-speed LAN technologies

are proposed to provide greater bandwidth and improve client/server

response times. Among them, Fast Ethernet, or 100BASE-T, provides

a non-disruptive, smooth evolution from 10BASE-T technology.

100Mbps Fast Ethernet is a standard specified by the IEEE 802.3

LAN committee. It is an extension of the 10Mbps Ethernet standard

with the ability to transmit and receive data at 100Mbps, while

maintaining the Carrier Sense Multiple Access with Collision

Detection (CSMA/CD) Ethernet protocol.

Switching Technology

Another key development pushing the limits of Ethernet technology is

in the field of switching technology. A switch bridges Ethernet

packets at the MAC address level of the Ethernet protocol transmitting

among connected Ethernet or Fast Ethernet LAN segments. Switching

is a cost-effective way of increasing the total network capacity

available to users on a local area network. A switch increases capacity

and decreases network loading by making it possible for a local area

network to be divided into different segments, which are not

competing with each other for network transmission capacity, and

therefore decreasing the load on each segment. The Switch acts as a

high-speed selective bridge between the individual segments. Traffic

that needs to go from one segment to another (from one port to

another) is automatically forwarded by the Switch, without interfering

with any other segments (ports). This allows the total network

capacity to be multiplied, while still maintaining the same network

cabling and adapter cards. For Fast Ethernet or Gigabit Ethernet

networks, a switch is an effective way of eliminating problems of

chaining hubs beyond the "two-repeater limit." A switch can be used

to split parts of the network into different collision domains, for

example, making it possible to expand your Fast Ethernet network

beyond the 205-meter network diameter limit for 100BASE-TX

networks. Switches supporting both traditional 10Mbps Ethernet and

100Mbps Fast Ethernet are also ideal for bridging between existing

10Mbps networks and new 100Mbps networks. Switching LAN

technology is a marked improvement over the previous generation of

network bridges, which were characterized by higher latencies.

Routers have also been used to segment local area networks, but the

cost of a router and the setup and maintenance required make routers

relatively impractical. Today's switches are an ideal solution to most

kinds of local area network congestion problems.

Switch Description

The DES-2108 is equipped with unshielded twisted-pair (UTP) cable

ports providing dedicated 10 or 100 Mbps bandwidth. The Switch has

8 UTP ports and Auto MDI-X/MDI-II convertible ports that can be

used for up-linking to another switch. These ports can be used for

connecting PCs, printers, servers, hubs, routers, switches and other

networking devices. The dual speed ports use standard twisted-pair

cabling and are ideal for segmenting networks into small, connected

sub-networks for superior performance. Each 10/100 port can support

up to 200 Mbps of throughput in full-duplex mode. This stand-alone

Switch enables the network to use some of the most demanding

multimedia and imaging applications concurrently with other user

applications without creating bottlenecks. The built-in Light-

Management engine can be configure the Switch's settings for priority

queuing, VLANs, and port monitoring, and port speed.

Features

The DES-2108 was designed for easy installation and high

performance in an environment where traffic on the network and the

number of users increase continuously.

The Switch features include:

 IEEE 802.3 10BASE-T compliant.

 IEEE 802.3u 100BASE-TX compliant.

 IEEE 802.3x flow control in full duplex mode.

 IEEE 802.1Q VLAN & Port_based VLAN.

 IEEE 802.1D Spanning Tree.

 Port_based QoS.

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