D-Link DGS-1224T - Web Smart Switch Manuale utente

D-Link DGS-1224T

24-Port 10/100/1000Mbps + 2 Combo Mini

GBIC Gigabit Smart Switch

Manual

First Edition

Building Networks for People

TABLE OF CONTENT

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

Purpose........................................................................................................1

Terms/Usage...............................................................................................1

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

Gigabit Ethernet Technology...................................................................2

Fast Ethernet Technology.........................................................................3

Switching Technology..............................................................................4

VLAN (Virtual Local Area Network)....................................................5

Features........................................................................................................5

Unpacking and Installation...........................................................................7

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

Installation...................................................................................................7

Rack Mounting...........................................................................................8

Connecting Network Cable ......................................................................9

AC Power..................................................................................................10

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

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

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

Understanding LED Indicators ..................................................................13

Power and System LEDs ........................................................................13

Ports 1~24 Status LEDs ..........................................................................14

Option Ports Mini GBIC 1& Mini GBIC 2 Mini GBIC Status

LEDs ..........................................................................................................14

Configuration................................................................................................15

Installing theWeb Management Utility...............................................15

Discovery List..........................................................................................16

MonitorList..............................................................................................17

Device Setting..........................................................................................19

Toolbar.......................................................................................................21

Configuring the Switch...........................................................................22

Setup Menu...............................................................................................24

Configuring Setup Setting......................................................................24

Port Settings.........................................................................................25

VLAN Settings (Virtual Local Area Network)..............................27

Trunk Setting .......................................................................................28

Mirror Setting ......................................................................................28

Device Status.......................................................................................29

Statistic..................................................................................................29

System Setting.....................................................................................30

Trap Setting..........................................................................................31

Set Password ........................................................................................32

Backup Setting.....................................................................................32

Reset Setting........................................................................................33

Logout........................................................................................................33

Technical Specifications.............................................................................34

ABOUT THIS GUIDE

Congratulations on your purchase of the 24-Port 10/100/1000Mbps +

2 Combo Mini GBIC Gigabit Smart Switch. This device integrates

1000Mbps Gigabit Ethernet, 100Mbps Fast Ethernet and 10Mbps

Ethernet network capabilities in a highly flexible package.

Purpose

This guide discusses how to install and configure the DGS-1224T

Web Smart Switch.

Terms/Usage

In this guide, the term “Switch” (first letter upper case) refers to your

DGS-1224T Web Smart Switch, and “switch” (first letter lower case)

refers to other Ethernet switches.

INTRODUCTION

This chapter describes the features of the DGS-1224T and some

background information about Ethernet/Fast Ethernet/Gigabit Ethernet

switching technology.

Gigabit Ethernet Technology

Gigabit Ethernet is an extension of IEEE 802.3 Ethernet utilizing the

same packet structure, format, and support for CSMA/CD protocol,

full duplex, flow control, and management objects, but with a tenfold

increase in theoretical throughput over 100-Mbps Fast Ethernet and a

hundredfold increase over 10-Mbps Ethernet. Since it is compatible

with all 10-Mbps and 100-Mbps Ethernet environments, Gigabit

Ethernet provides a straightforward upgrade without wasting a

company’s existing investment in hardware, software, and trained

personnel.

The increased speed and extra bandwidth offered by Gigabit Ethernet

is essential to coping with the network bottlenecks that frequently

develop as computers and their busses get faster and more users use

applications that generate more traffic. Upgrading key components,

such as your backbone and servers to Gigabit Ethernet can greatly

improve network response times as well as significantly speed up the

traffic between your subnets.

Gigabit Ethernet enables fast optical fiber connections to support

video conferencing, complex imaging, and similar data-intensive

applications. Likewise, since data transfers occur 10 times faster than

Fast Ethernet, servers outfitted with Gigabit Ethernet NIC’s are able to

perform 10 times the number of operations in the same amount of time.

In addition, the phenomenal bandwidth delivered by Gigabit Ethernet

is the most cost-effective method to take advantage of today and

tomorrow’s rapidly improving switching and routing internetworking

technologies. And with expected advances in the coming years in

silicon technology and digital signal processing that will enable

Gigabit Ethernet to eventually operate over unshielded twisted-pair

(UTP) cabling, outfitting your network with a powerful 1000-Mbps-

capable backbone/server connection creates a flexible foundation for

the next generation of network technology products.

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

have been proposed to provide greater bandwidth and improve

client/server response times. Among them, 100BASE-T (Fast

Ethernet) provides a non-disruptive, smooth evolution from the

current 10BASE-T technology. The non-disruptive and smooth

evolution nature, and the dominating potential market base, virtually

guarantees cost-effective and high performance Fast Ethernet

solutions.

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 CSMA/CD Ethernet protocol. Since the 100Mbps

Fast Ethernet is compatible with all other 10Mbps Ethernet

environments, it provides a straightforward upgrade and takes

advantage of the existing investment in hardware, software, and

personnel training.

Switching Technology

Another approach to pushing beyond the limits of Ethernet technology

is the development 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 dividing a local area

network into differentsegments, which don’t compete with each other

for network transmission capacity.

The switch acts as a high-speed selective bridge between the

individual segments. The switch, without interfering with any other

segments, automatically forwards traffic that needs to go from one

segment to another. By doing this the total network capacity is

multiplied, while still maintaining the same network cabling and

adapter cards.

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, the setup and maintenance required

make routers relatively impractical. Today switches are an ideal

solution to most kinds of local area network congestion problems.

VLAN (Virtual Local Area Network)

A VLAN is a group of end-stations that are not constrained by their

physical location and can communicate as if a common broadcast

domain, a LAN. The primary utility of using VLAN is to reduce

latency and need for routers, using faster switching instead. Other

VLAN utility includes:

Security, Security is increased with the reduction of opportunity in

eavesdropping on a broadcast network because data will be switched

to only those confidential users within the VLAN.

Cost Reduction, VLANs can be used to create multiple broadcast

domains, thus eliminating the need of expensive routers.

Port-based (or port-group) VLAN is the common method of

implementing a VLAN, and is the one supplied in the Switch.

Features

u24×10/100/1000MbpsAuto-negotiation Gigabit Ethernet ports

uAll RJ45 ports support auto MDI/MDIX, so there is no need to

use cross-over cables or an up-link port

uHalf duplex transfer mode for connection speed 10Mbps and

100Mbps

uFull duplex transfer mode for connection speed of 10Mbps,

100Mbps and 1000Mbsps

uGigabit Wire speed reception and transmission

uStore-and-Forward switching scheme capability to support rate

adaptation and ensure dataintegrity

u8K unicast addresses entities per device, self-learning, and table

aging

u400KBytes packet buffer

uSupports IEEE 802.3x flow control for full-duplexmode ports

uSupports Port-basedVLAN

uSupports Port-based QoS

uSupports Port-based Trunking

uSupports Port-based Mirroring

uSupports Port-setting for Speed/Disable, Flow control

uEasy configuration via WEB Browser

uEasy setting via Web Management Utility

uBroadcast Storm Protection

uStandard 19” Rack-mount size

UNPACKING AND INSTALLATION

This chapter provides unpacking and installation information for the

Switch.

Unpacking

Open the shipping cartons of the Switch and carefully unpacks its

contents. The carton should contain the following items:

uOne DGS-1224T Web Smart Switch

uOne AC power cord, suitable for your area’s electrical power

connections

uFour rubber feet to be used for shock cushioning

uScrews and two mounting brackets

uCD-Rom with Web Management Utility and Manual

uQuick Installation Guide

If any item is found missing or dama ged, please contact your local

reseller for replacement.

Installation

The site where you install the hub stack may greatly affect its

performance. When installing, consider the following pointers:

Install the Switch in a fairly cool and dry place. See Technical

Specifications for the acceptable temperature and humidity operating

ranges.

Install the Switch in a site free from strong electromagnetic field

generators (such as motors), vibration, dust, and direct exposure to

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