D-Link DSL-2520U Bedienungsanleitung

User Manual

DSL-2520U

ADSL2/2+ Router with USB and Ethernet Ports

July 2012

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports
User Manual
Contents
Chapter 1. Introduction..........................................4
Contents and Audience.......................................................4
Conventions.................................................................4
Document Structure..........................................................4
Chapter 2. Overview..............................................5
General Information.........................................................5
Specifications.............................................................. 
Product Appearance..........................................................9
Front Panel...............................................................9
Back Panel...............................................................10
Delivery Package...........................................................11
Safety Instructions........................................................11
Chapter 3. Installation and Connection..........................12
Before You Begin...........................................................12
Connecting to PC...........................................................13
PC with Ethernet Adapter.................................................13
PC with USB Port.........................................................13
Obtaining  P Address Automatically in OS Windows XP......................14
Obtaining  P Address Automatically in OS Windows 7.......................17
Connecting to Web-based Interface..........................................22
Saving and Restoring Settings..............................................25
Chapter 4. Configuring via Web-based Interface..................2 
Wizards....................................................................2 
 nternet Setup Wizard....................................................26
PPPoE or PPPoA Connection..............................................27
IPoA or Static IP Connection...........................................31
Dynamic IP Connection..................................................34
Bridge Connection......................................................37
Site Setup Wizard........................................................39
Status.....................................................................40
Network Statistics.......................................................40
DSL Status...............................................................41
WAN Status...............................................................42
DHCP.....................................................................43
Routing Table............................................................44
LAN Clients..............................................................45
Net........................................................................4 
WAN......................................................................46
Creating WAN Connection................................................47
LAN......................................................................53
Page 2 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports
User Manual
Advanced...................................................................55
UPnP.....................................................................55
 nterface Grouping.......................................................56
DDNS.....................................................................58
DNS......................................................................59
Routing..................................................................60
ADSL.....................................................................62
Remote Access............................................................63
Firewall................................................................... 5
 P Filters...............................................................65
Virtual Servers..........................................................68
DMZ......................................................................70
Application Rules........................................................71
MAC Filter...............................................................73
Control....................................................................75
URL Filter...............................................................75
System.....................................................................77
Administrator Password...................................................77
Configuration............................................................78
System Log...............................................................79
Firmware Upgrade.........................................................81
NTP Client...............................................................82
Chapter 5. Abbreviations and Acronyms...........................83
Page 3 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports

User Manual Introduction

CHAP ER 1. IN RODUC ION

Contents and Audience

This manual describes the router DSL-2520U and explains how to configure and operate it.

This manual is intended for users familiar with basic networ ing concepts, who create an in-home

local area networ , and system administrators, who install and configure networ s in offices.

Conventions

Example Description

text The body text of the manual.

Before You Begin A reference to a chapter or section of this manual.

“Quick Installation Guide” A reference to a document.

Change A name of a menu, menu item, control (field, chec box, drop-

down list, button, etc.).

192.1 8.1.1 Data that you should enter in the specified field.

!Information An important note.

Document Structure

Chapter 1 describes the purpose and structure of the document.

Chapter 2 gives an overview of the router's hardware and software features and describes its

appearance and the pac age contents, and provides safety instructions.

Chapter 3 explains how to install the router DSL-2520U and configure a PC in order to access its

web-based interface.

Chapter 4 describes all pages of the web-based interface in detail.

Chapter 5 introduces abbreviations and acronyms used in this manual.

Page 4 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports

User Manual Overview

CHAP ER 2. OVERVIEW

General Information

The DSL-2520U device is an affordable high-end ADSL router developed for home and SOHO

(Small Office/Home Office) networ s. It provides fast and simple broadband access to the Internet

and a shared connection for multi users.

DSL-2520U provides all the essentials for creating a secure high-speed wired networ :

ADSL/ADSL2/ADSL2+ standards, Fast Ethernet standard, the built-in firewall, the QoS engine,

and numerous additional features.

The router is equipped with an ADSL port to connect to an ADSL line and an Ethernet port, which

can be used to connect one computer or switch. The device is also equipped with a USB port, to

which you can connect a single computer.

The router DSL-2520U includes a built-in firewall. The advanced security functions minimize

threats of hac er attac s, prevent unwanted intrusions to your networ , and bloc access to

unwanted websites for users of your LAN.

You can configure and manage the settings of the router DSL-2520U via the user-friendly web-

based interface (the interface is available in several languages).

Page 5 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports

User Manual Overview

Specifications*

Interfaces:

•ADSL: 1 RJ-11 port

•LAN: 1 RJ-45 10/100BASE-TX Fast Ethernet port with auto-MDI/MDIX

•USB: 1 port 1.1, type B.

ADSL Standards:

•ADSL:

◦full rate ANSI T1.413 Issue 2, ITU-T G.992.1 (G.dmt) Annex A, ITU-T G.992.2 (G.lite)

Annex A, ITU-T G.994.1 (G.hs).

•ADSL2:

◦ITU-T G.992.3 (G.dmt.bis) Annex A/L/M, ITU-T G.992.4 (G.lite.bis) Annex A.

•ADSL2+:

◦ITU-T G.992.5 Annex A/M.

WAN Connection Types:

•PPPoE

•PPPoA

•IPoA

•Static IP

•Dynamic IP

•Bridge.

* The device features are subject to change without notice. For the latest versions of the firmware and relevant

documentation, visit www.dlin .ru.

Page 6 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports

User Manual Overview

ATM/PPP Protocols:

•Bridged and routed Ethernet encapsulation

•VC-based or LLC-based multiplexing

•ATM Forum UNI3.1/4.0 PVC (up to 8 PVCs)

•ATM Adaptation Layer Type 5 (AAL5)

•ITU-T I.610 OAM F4/F5 loopbac

•ATM QoS

•PPP over ATM (RFC 2364)

•PPP over Ethernet (PPPoE)

•Keep-alive for PPP connections.

Network Protocols and F nctions:

•Static IP routing

•NAT

•DHCP server/client/relay

•DNS relay

•DDNS

•UPnP

•Support of VLAN

•IGMP proxy.

Firewall and Access Management F nctions:

•Networ Address Translation (NAT)

•Stateful Pac et Inspection (SPI)

•URL filter

•Pac et filtering (IP/ICMP/TCP/UDP)

•Virtual servers

•Prevention of DoS attac s

•Intrusion detection system

•DMZ

•Port Triggering.

Page 7 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports

User Manual Overview

QoS:

•Interface grouping

•3 priority queues.

Config ration and Management:

•Multilingual web-based interface for configuration and management

•Access via TELNET

•Firmware update via web-based interface

•Saving/restoring configuration to/from file

•Support of remote logging

•Automatic synchronization of system time with NTP server.

LEDs:

•Power

•Status

•LAN

•USB

•DSL

•Internet.

Power:

•External power adapter DC 5V/1A

•ON/OFF power switch

•Reset to Factory Defaults button.

Operating Temperat re:

•From 0 0C to 40 0C (from 32 0F to 104 0F).

Storage Temperat re:

•From -20 0C to 65 0С (from -4 0F to 149 0F).

H midity:

•From 5% to 95% non-condensing.

Page 8 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports

User Manual Overview

Product Appearance

Front Panel

Figure 1. Front panel view.

LED Mode Description

Power

Solid green The router is powered on.

No light The router is powered off.

Solid red The router is in the crash recovery mode.

Status

Blinking green Traffic (Internet traffic) is passing through the router.

No light A failure of the system.

LAN

Solid green A device is connected to the port.

Blinking green The LAN port is active (upstream or downstream traffic).

USB

Solid green A device is connected to the port.

Blinking green The USB port is active (upstream or downstream traffic).

DSL

Solid green DSL has been synchronized.

Blinking green Detecting a carrier signal and synchronizing DSL.

No light No carrier signal.

Internet

Solid green A WAN connection is established.

No light The router is in the bridge mode or no WAN connection is

established.

Solid red An authorization failure.

Page 9 of 83

DSL-2520U ADSL2/2+ Router with USB and Ethernet Ports

User Manual Overview

Back Panel

Figure 2. Back panel view.

Port Description

DSL A DSL port to connect the router to the telephone line.

USB A USB port to connect to a single computer.

LAN An Ethernet port to connect a computer/switch.

RESE

A button to restore the factory default settings.

To restore the factory defaults, push the button (with the device turned on), hold

it for 10 seconds, and then release the button.

ON/OFF A button to turn the router on/off.

5V=1A Power connector.

Page 10 of 83

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