Allied Telesis AT-AR220E User manual

Cable/DSL
Router
AT-AR220E
K
Installation
Guide
®
PN 613-50157-00 Rev B

Copyright 2001 Allied Telesyn, Inc.
960 Stewart Drive Suite B, Sunnyvale, CA94085 USA
All rights reserved. No part of this publication maybe reproduced without prior written permission from Allied Telesyn, Inc.
All product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners.
Allied Telesyn, Inc. reserves the rightto make changes in specifications and other information contained in this document withoutprior writtennotice.
The information provided herein is subject to change without notice. In no event shall Allied Telesyn, Inc. be liable for any incidental, special, indirect,
or consequential damages whatsoever, including but not limited to lost profits, arising out of or related to this manual or the information contained
herein, even if Allied Telesyn, Inc. has been advised of, known, or should have known, the possibility of such damages.

3
Electrical Safety and Emission
Statement
Standards: This product meets the following standards.
CEMarkingWarning:This isa ClassB product. Ina domesticenvironment thisproduct maycause radio interference inwhich case
the user may be requiredto takeadequate measures.
Important: AppendixA containstranslated safety statementsfor installing this equipment. Whenyou see the
 ,go toAppendix
A for the translated safety statement in your language.
Wichtig: Anhang A enthält übersetzte Sicherheitshinweise für die Installation dieses Geräts. Wenn Sie
 sehen, schlagen Sie in
AnhangA den übersetztenSicherheitshinweis in Ihrer Sprache nach.
Vigtigt: Tillæg A indeholder oversatte sikkerhedsadvarsler, der vedrører installation af dette udstyr. Når De ser symbolet
 , skal
De slå op i tillæg A og finde de oversatte sikkerhedsadvarsler i Deres eget sprog.
Belangrijk:AppendixA bevatvertaaldeveiligheidsopmerkingenvoorhetinstalleren vandezeapparatuur. Wanneeru de
 ziet,
raadpleeg Appendix A voor vertaalde veiligheidsinstructies in uw taal.
Important : L'annexe A contient les instructions desécurité relativesà l'installation de cet équipement. Lorsque vous voyez le
symbole
 , reportez-vous àl'annexe A pour consulter la traduction de ces instructions dans votre langue.
Tärkeää: Liite A sisältää tämänlaitteen asentamiseenliittyvät käännetytturvaohjeet.Kunnäet
 -symbolin, katso käännettyä
turvaohjetta liitteestäA.
Importante: l’Appendice A contiene avvisi di sicurezza tradotti per l’installazione di questa apparecchiatura. Il simbolo
 , indica
diconsultare l’Appendice A per l’avviso di sicurezza nella propria lingua.
Viktig: Tillegg Ainneholder oversattsikkerhetsinformasjon for installeringav dette utstyret. Når du ser
 , åpner du til Tillegg A
for åfinne den oversatte sikkerhetsinformasjonen påønsketspråk.
Importante: O Anexo A contém advertências de segurança traduzidas para instalar este equipamento. Quando vir o símbolo
 ,
leiaaadvertênciadesegurança traduzida no seu idioma no Anexo A.
Importante: ElApéndice A contiene mensajes de seguridad traducidos para la instalación de este equipo. Cuandovea el símbolo
 , vaya al Apéndice A para ver el mensaje de seguridad traducido a su idioma.
Obs! BilagaA innehålleröversatta säkerhetsmeddelandenavseendeinstallationenav dennautrustning.När du ser
 ,skalldugå
till Bilaga A för att läsa det översatta säkerhetsmeddelandetpåditt språk.
U.S. Federal Communications Commission
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
This device may not cause harmful interference.
This device mustaccept any interference received, including interference that may cause undesired operation.
Note: This equipment hasbeentested and found to comply with thelimits fora Class B digital device,pursuant topart 15 of the
FCC Rules. These limits aredesigned to provide reasonable protection againstharmful interference ina residentialinstallation.
This equipment generates,uses, and can radiate radio frequency energy and, if not installed and used inaccordancewiththe
instructions, may cause harmful interference to radio communications. However, thereis no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined byturning the equipment off andon, the user is encouraged to tryto correct the interference by one or
moreof thefollowingmeasures:
- Reorient orrelocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer oran experienced radio/TV technician for help.
CanadianDepartmentofCommunications
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement surle matériel brouilleur du Canada.

4
Table of Contents
Electrical Safety and Emission Statement ...............................................................................................................................................3
Preface ......................................................................................................................................................................................................................7
Purpose ofThisGuide ...........................................................................................................................................................................................7
How This Guide is Organized .............................................................................................................................................................................7
DocumentConventions ......................................................................................................................................................................................9
Whereto FindRelated Guides .........................................................................................................................................................................10
Contacting AlliedTelesyn Technical Support ............................................................................................................................................11
Online Support .............................................................................................................................................................................................11
Telephone andFaxSupport ....................................................................................................................................................................11
E-mailSupport ..............................................................................................................................................................................................11
Returning Products .............................................................................................................................................................................................12
FTPServer ...............................................................................................................................................................................................................13
ForSales orCorporate Information ...............................................................................................................................................................14
Tell UsWhat You Think ......................................................................................................................................................................................15
Chapter 1
Introduction .........................................................................................................................................................................................................16
RouterFeatures .....................................................................................................................................................................................................16
PackageContents ................................................................................................................................................................................................19
Chapter 2
Installation ............................................................................................................................................................................................................20
Installing the Hardware ......................................................................................................................................................................................20
Reviewing SafetyPrecautions .................................................................................................................................................................20
PoweringtheDevice ..................................................................................................................................................................................21
POST (Power-On-Self-Test) ......................................................................................................................................................................21
Connecting the Router to Computers and Network ......................................................................................................................21
Modem Connection ...................................................................................................................................................................................21
Install the System Software ..............................................................................................................................................................................23
TFTP Server ....................................................................................................................................................................................................23
Failsafe FirstAid Agent ...............................................................................................................................................................................24
Setting Up a Client Computer .........................................................................................................................................................................26
Setting Upthe Router .........................................................................................................................................................................................27

5
Chapter 3
Configuration Interface ..................................................................................................................................................................................28
WebInterface ........................................................................................................................................................................................................28
Saving and Activating Configuration Changes ................................................................................................................................30
Chapter 4
Quick Setup ..........................................................................................................................................................................................................31
DynamicWAN IPAddress .................................................................................................................................................................................32
Fixed(Static)WANIP Address .........................................................................................................................................................................34
PPPoE ........................................................................................................................................................................................................................35
Other .........................................................................................................................................................................................................................37
Default Settings ....................................................................................................................................................................................................37
Chapter 5
Advanced Configuration ................................................................................................................................................................................38
System Configuration .........................................................................................................................................................................................39
Administrator’sProfile ...............................................................................................................................................................................39
Reset to FactoryDefault ............................................................................................................................................................................40
Reboot the System ......................................................................................................................................................................................40
Upgrade Firmware ......................................................................................................................................................................................41
LANConfiguration ...............................................................................................................................................................................................42
WAN Configuration .............................................................................................................................................................................................44
IPDynamic .....................................................................................................................................................................................................44
IPFixed ............................................................................................................................................................................................................45
PPPoE ...............................................................................................................................................................................................................46
Other ................................................................................................................................................................................................................47
DMZ ...........................................................................................................................................................................................................................48
Virtual Server ..........................................................................................................................................................................................................49
Packet Filtering .....................................................................................................................................................................................................51
IPRule ..............................................................................................................................................................................................................51
Port Rule .........................................................................................................................................................................................................52
Dynamic HostConfiguration Protocol (DHCP) Configuration .............................................................................................................54
DHCPProfile ..................................................................................................................................................................................................54
FixedIP Table ................................................................................................................................................................................................55
Excluded IPTable ........................................................................................................................................................................................56
BootPIPTable ...............................................................................................................................................................................................57
StaticRoutingTable ............................................................................................................................................................................................59
Chapter 6
System Information and Help ......................................................................................................................................................................61
System Information .............................................................................................................................................................................................61
LANStatus ......................................................................................................................................................................................................62
WAN Status ....................................................................................................................................................................................................62
HelpFeature ...........................................................................................................................................................................................................63
Chapter 7
Setting Up Client Computers for Internet Access ..............................................................................................................................64
Client ComputerRequirements ......................................................................................................................................................................64
Setting up Windows 95/98 PC Clients ..........................................................................................................................................................65
Configuring a Client ComputerUsing the DHCP Server ...............................................................................................................65
Configuring a Client ComputerManually ..........................................................................................................................................65
Setting UpWindows NT 4.0 Clients ...............................................................................................................................................................66
Configuring a Client ComputerUsing the DHCP Server ...............................................................................................................66
Configuring a Client ComputerManually ..........................................................................................................................................68

Table of Contents
6
Chapter8
Troubleshooting ................................................................................................................................................................................................71
Power LED OFF .....................................................................................................................................................................................................71
SelfTest LED NeverBlinks or LED Stays ON ...............................................................................................................................................71
Testing the LAN Path to Your Router ...........................................................................................................................................................72
Testingthe LAN Pathfrom yourPCto a Remote Device ......................................................................................................................72
Upgrading Firmware ..........................................................................................................................................................................................73
AppendixA
LED Display ..........................................................................................................................................................................................................74
AppendixB
Specifications ......................................................................................................................................................................................................75
AppendixC
FirstAid Agent for Emergency Firmware Upgrade ...........................................................................................................................76
Loading a New Version of the AT-AR220E Firmware ..............................................................................................................................77
Returning the AT-AR220E Parameters tothe Default Settings ...........................................................................................................82
AppendixD
Countryand Territory Settings ..................................................................................................................................................................83
AppendixE
Translated Electrical Safety and Emission Information .................................................................................................................86

7
Preface
Purpose of This Guide
This guide isintended fornetworkadministrators who areresponsible
for installing and maintaining the AT-AR220E Broadband Router.
How This Guide is Organized
Thisguide contains thefollowing chapters andappendices:
Chapter 1, Introduction, describes the features,functions, LEDs, and
ports on the router.
Chapter 2, Installation, describes how to install the router.
Chapter 3, Configuration Interface, describes theprocedures for
accessingtherouterthrough itsWebinterfaceand savingconfiguration
changes.
Chapter 4, Quick Setup,describes theproceduresforconfiguringthe
basic parameters, such as a dynamic or fixed WAN IPaddress and a
subnet mask.
Chapter 5, Advanced Configuration, describes the proceduresfor
entering configurations on advanced router features.
Chapter 6, System Information and Help, describes the procedures for
obtaining (reading)currentconfigurationinformation aboutthe router.
Chapter7,SettingUpClientComputersforInternetAccess,describes
the procedures for configuringa Windows client.
Chapter 8, Troubleshooting, describes procedures for resolving error
conditions on the router.
Appendix A, LED Display,describes the router’s LEDs.

Preface
8
AppendixB,Specifications, provides routerspecifications.
Appendix C,FirstAidAgent for EmergencyFirmwareUpgrade,
describeshowtousetheutilitytorecoverarouterthatcannotbootoris
unresponsive, and how to return a router’s parameter settingsto their
default values.
AppendixD,CountryandTerritorySettings,explainshowtoconfigure
router parameters specific to a particular country or territory.
AppendixE,Translated Electrical Safety and Emission Information,
contains multi-languagetranslations of the cautions andwarningsin
this manual.

AT-AR220E Broadband Router Installation Guide
9
Document Conventions
Thisguideuses several conventions that you should become familiar
with before you begin to install the product:
Note
A note provides additional information.
Warning
A warning indicates thatperforming or omittinga specific action
mayresultinbodilyinjury.
Caution
A caution indicates thatperformingor omittinga specific action
mayresult inequipmentdamageor loss of data.

Preface
10
Where to Find Related Guides
The Allied Telesyn web site atwww.alliedtelesyn.com/support/
prd_libs.htm contains themost recentdocumentationforall of our
products.All web-based documentsrelating tothis product and other
AlliedTelesyn products canbedownloaded from the web site in PDF
format.

AT-AR220E Broadband Router Installation Guide
11
Contacting Allied Telesyn Technical Support
YoucancontactAlliedTelesyntechnicalsupportthroughthecompany’s
web site or by telephone or fax.
Online Support You canrequest technicalsupportonlineby fillingouttheOnline
Technical Support Form at www.alliedtelesyn.com/forms/support.htm.
Telephone and
Fax Support
E-mail Support United States and Canada
[e-mail]
Latin America, Mexico, Puerto Rico, Caribbean, and Virgin Islands
[e-mail]
United Kingdom, Sweden, Norway, Denmark, and Finland
[email protected]
Americas
United States, Canada, Mexico,
Central America, South America
Tel: [phone], option 4
Fax: [phone]
Germany
Germany, Switzerland, Austria, Eastern
Europe
Tel: [phone]
Fax: [phone]
Asia
Singapore,Taiwan, Thailand, Malaysia,
Indonesia, Korea,Philippines, China,
India, Hong Kong
Tel: [phone]
Fax: [phone]
Italy
Italy, Spain, Portugal,Greece,Turkey, Israel
Tel: [phone]
Fax: [phone]
Australia
Australia,New Zealand
Tel: [phone]
Fax: [phone]
Japan
Tel: [phone]
Fax: [phone]
France
France, Belgium, Luxembourg,
TheNetherlands,Middle East, Africa
Tel: [phone]
Fax: [phone]
United Kingdom
United Kingdom, Denmark, Norway,
Sweden, Finland, Iceland
Tel: [phone]
Fax: [phone]

Preface
12
Returning Products
Products for return or repair must first be assigned a Return Materials
Authorization(RMA) number.Aproduct sentto Allied Telesyn without a
RMA number will be returned to the sender at the sender’sexpense.
ToobtainanRMAnumber, contactAlliedTelesyn’s Technical Support at
one of thefollowinglocations:
G United States and Canada
Toll-free: 1-800-428-4835, option 4
Fax: [phone]
G Europe, Africa, and Middle East
Tel: [phone]
Fax: [phone]
G Latin America, Caribbean, and Virgin Islands
Tel: International code + 425-481-3852
Fax: International code + 425-481-3895
G Puerto Rico
Tel: [phone], ext. 3852 or
Tel: [phone], ext. 3852
G Mexico
Tel: [phone], ext. 3852
Fax: International code + 425-481-3895
G Asia and Southeast Asia
Tel: [phone]
Fax: [phone]
G Australia
Tel: [phone]
Fax: [phone]
G New Zealand
Tel: [phone]

AT-AR220E Broadband Router Installation Guide
13
FTP Server
If you need management software for an Allied Telesyn managed
device,youcandownload thesoftwarebyconnectingdirectlytoour
FTP server at ftp.alliedtelesyn.com. At login, enter “anonymous”as the
user name and your e-mail address as the password.

Preface
14
For Sales or Corporate Information
Allied Telesyn International, Corp.
19800 North Creek Parkway, Suite 200
Bothell,WA 98011
Tel: [phone]
Fax: [phone]
AlliedTelesyn International,Corp.
960 Stewart Drive, Suite B
Sunnyvale,CA 94085
Tel: [phone] (USA and Canada)
Fax: [phone]

AT-AR220E Broadband Router Installation Guide
15
Tell Us What You Think
Ifyouhaveanycommentsorsuggestionsonhowwemightimprovethis
orother AlliedTelesyn documents, please fill out the Send usFeedback
Form at www.alliedtelesyn.com/forms/feedback.htm.

16
Chapter 1
Introduction
Thank you for purchasing theAT-AR220E BroadbandRouter with a 4-
port switch. This easy-to-use router offers small offices and home offices
an economicalway to connect their entire LANto the Internet using an
external DSL/Cable modem.
Router Features
G Highspeed Internetaccess
Includes a WAN port for connection to an external DSL/Cable
modemforhigh speed Internet access (20~200 times faster than
your legacy 56K modem).
G Built-in four-port 10/100 Mbps EthernetSwitch
Providescompleteand fast connectivity for small offices.
G Shared single ISP account
Provides an affordable Internet access for all the computers in
your office using a single ISP account.
G DHCP(Dynamic HostConfigurationProtocol)
Simplifiessetup andmanagementof all younetworkresources.
G PPPoE
Allows for flexibleuseandconfiguration of ADSL.
G Web-basedmanagement
Includesanintuitiveweb-basedconfigurationandadministration
interface to simplify router management.

AT-AR220E Broadband Router Installation Guide
17
G DNSServer
Supports twoDNSserversthatrelay DNS entriestospeed up the
Internetconnection.
G VirtualServer
Allows for a Virtual Server configuration (for example, an FTP
Server)to allow remoteaccess byoutsideusers.
G Access control (packetfiltering)
Monitors and blocksspecific packets or applications.
This illustration shows thefront andrear panelsof the router.
W
AN
Link
100M Act
Link/Act
12Vdc 1.2A
23
4
Number Indicator Description
1 StatusLED TheseLEDsprovidea quickmethodfortroubleshooting the
unit. See Appendix A for more information.
2 WAN Port This RJ-45 interface is for the DSL/Cable modem connection.
3 Normal/UplinkPush
Button This button is used to configure port 4 as either MDI-X or
MDI. The Normalsetting is MDI-Xand the Uplinksetting is
MDI. The port is configured fornormal wiring when the
buttonisintheOUTposition.Whenthebuttonhasbeenset
to the IN position, the port is configured for uplink wiring.

Introduction
18
4 10Base-T/100Base-
Txport These auto-sensingports can automatically detect the
connectionspeedofalinkandsetthemselvesautomatically
to either a 10Mbps connection for Ethernet devices or
100Mbps connection for Fast Ethernet devices. All of these
ports are configured by default as MDI-X (crossover) and
support amaximum cable lengthof 100 meters over
Category5twistedpaircable.
5Powerjack This plug connects to an external power adapter.
Number Indicator Description

AT-AR220E Broadband Router Installation Guide
19
Package Contents
Check your router package for the following items. If an item is missing
or damaged, contact your Allied Telesyn sales representative for
assistance.
G One AT-AR220E Broadband Router
G One AC/DC power adapter
G Quick install guide
G One CD-ROM
The CD-ROM included inthe package contains the following items:
G Microsoft Internet Explorer®
G Adobe Acrobat Reader™
G TFTPServer Software for Windows®operatingsystem
G Failsafe FirstAid Agent Firmware for software upgrades
G Recovery version offirmware (used with FirstAid)
G PARAM.INI file forresetting the router parameters to their factory
default settings (used with FirstAid)
G Thisinstallation guide

20
Chapter 2
Installation
Installing the Hardware
Perform the following procedures toinstall the router.
Reviewing
Safety
Precautions
Please reviewthe following safety precautionsbefore you begin to
install the device in your network.Refer to Appendix Efortranslated
safetystatementsinyourlanguage.
Warning
Lightning Danger: Donot workon this equipment orcables
during periods of lightning activity.  1
Warning
Power cord is used as a disconnection device: Tode-energize
equipment, disconnect the power cord.  2
Warning
Electrical-Type Class 1Equipment: This equipment must be
earthed. The power plug must be connected to a properly wired
earth ground socket outlet. An improperly wired socket outlet
could place hazardous voltages onaccessible metal parts.  3
Caution
Pluggable Equipment: The socket outlet should be installed near
the equipment and shouldbe easily accessible.  4
Caution
Air vents: The airvents must not be blocked on the unit and must
have free access tothe room ambient air for cooling.  5