VisionNet
202ER-4 ADSL Ethernet Router
User’s Manual
November 01, 2002
Revision 1.0
VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
Table of Contents
1 Introductio n.............. .... .... ..... .... .... ..... .... .... ..... ...11
Features..............................................................................11
System Requirements........................................................11
Using this Document.................................. ................. ........12
2 Getting to Know the VisionNet 202ER-4...........13
Notational conventions................................................12
Typographical conventions..........................................12
Special messages........................................................12
Parts Check................................................................. ........13
Front Panel..........................................................................14
Rear Panel..........................................................................15
3 Quick Start............ ....... ......... ...... ....... ...... ....... ...17
Part 1 — Connecting the Hardware...................................17
Step 1. Connect the ADSL cable and optional
telephone..................................................................18
Step 2. Connect the Ethernet cable............................19
Step 3. Attach the power connector............................19
Step 4. Turn on the VisionNet 202ER-4 and
power up your systems............................................19
Part 2 — Configuring Your Computers..............................20
Before you begin..........................................................20
Windows 95, 98 PCs:...............................................20
Windows NT 4.0 workstations:....................................21
Windows 2000 PCs:....................................................22
Windows Me PCs........................................................23
Assigning static Internet information to your
PCs........................................................................ ...24
Part 3 — Configuring the VisionNet 202ER-4오류! 책갈피가 정의되어 있지 않습
Logging in to the VisionNet 20 2ER-4 Q uick
Setup.........................................................................25
Operation Mode...........................................................26
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
Testing Your Installation.....................................................28
Using VisionNet’s Diagnostic Utilities.................................29
4 Getting Started with the Configuration
Accessing the Configuration Manager...............................31
Functional Layout....................................... ................. ........33
The Home Tab and System View Table............................34
Changing the System Date and Time................................36
Changing the System Date and Time................................36
Changing Your Login Password................................. ........37
DNS Settings........................................................ ........26
PPP Settings................................................................26
Default Router Settings............................................. ...27
Manager .........................................................31
Commonly used buttons..............................................33
Committing Your Changes and Rebooting the
Device........................................................................... ...38
Committing your changes............................................38
Rebooting the device using Configuration
Manager....................................................................39
5 Setting the L AN IP Add re ss......................... .....41
Ethernet, USB, or Both?.....................................................41
Configuring the LAN IP Address........................................42
Configuring the USB Port IP Address................................45
6 Viewing System IP Information and
Performance S tati sti cs...................................47
Viewing the VisionNet 202ER-4’s I P ad dresses................47
Viewing IP Global Statistics................................................48
7 Configuring Dynamic Host Configuration
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Protocol.............................................. .... ....... .49
Overview of DHCP...................................................... ........49
What is DHCP?............................................................49
VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
Configuring DHCP Server..................................................51
Configuring DHCP Relay....................................................56
Setting the DHCP Mode.....................................................57
8 Configuring Network Address Translation........59
Overview of NAT.................................................................59
Your Default NAT Setup.................................................. ...60
Viewing NAT Global Settings and Statistics.....................61
Viewing NAT Rules and Rule Statis tics.............................64
Viewing Current NAT Translations.....................................65
Why use DHCP?..........................................................49
VisionNet 202ER-4 DHCP modes..............................50
Viewing, modifying, and deletin g address
pools, and excluding IP addres ses f rom a
pool ...........................................................................54
Viewing current DHCP address as signme nts.............54
Adding NAT Rules..............................................................67
The napt rule: Translating between private and
public IP addresses..................................................67
The rdr rule: Allowing extern al acce ss t o a
LAN computer................................................... ........69
The basic rule: Performing 1:1 translations................72
The filter rule: Configuring a basic rule with
additional criteria.................................................... ...73
The bimap rule: Performing two-way
translations............................ ................. ................ ...75
The pass rule: Allowing specific addresses to
pass through untranslated................................ ........76
Configuring D NS S e rv e r A dd re s se s.................79
9
About DNS..........................................................................79
Assigning DNS Addresses.................................................79
Configuring DNS Relay......................................................78
10 Configuring I P Ro ute s..................... ...... ....... .....81
Overview of IP Routes........................................................81
Comparing IP routing to telephone switching.............81
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
Viewing the IP Routing Table............................... ..............83
Adding IP Routes............................................. ...................85
11 Configuring the Routing Information
RIP Overview......................................................................89
Configuring the VisionNet 202ER- 4’s Int erface s
Viewing RIP Statistics.........................................................90
12 Configuring th e A TM VC C................................91
Hops and gateways.....................................................82
Using IP routes to define default gateways.................82
Do I need to define IP routes?.....................................82
Protocol.............................................. .... ....... .89
When should you configure RIP?................................89
with RIP.............................................................. ..............88
Viewing Your ATM VC Setup.............................................91
Adding ATM VCs................................................................92
Modifying ATM VCs.............................................. ..............94
13 Configuring PPP Interfac es........................ .... ...95
Viewing Your Current PPP Configuration..........................95
Viewing PPP Interface Details............................................99
Adding a PPP Interface Definiti on....................................100
Modifying and Deleting PPP Interfaces...........................101
14 Configuring E OA In te rf ac es......................... ...103
Overview of EOA........................................................ ......103
Viewing Your EOA Setup.................................................104
Adding EOA Interfaces.....................................................106
15 Configuring I PoA In ter fa ces............................109
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Viewing Your IPoA Interface Setup..................................109
Adding IPoA Interfaces.....................................................110
VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
16
Configurin g Br id g i ng................. .... ..... .... ....... ...11 3
Overview of Bridges..........................................................113
Using the Bridging Feature...............................................114
Defining Bridge Interfaces................................................115
Deleting a Bridge Interface...............................................116
17 Configurin g F i rew al l S et ti n gs..........................117
Configuring Global Firewall Settings................................117
Managing the Black List ...................................................120
18 Configuring IP Fil te rs............................... ....... .121
Overview..................................................................... ......121
Viewing Your IP Filter Configuratio n................................121
Configuring IP Filter Global Settings................................122
Creating IP Filter Rules.....................................................123
IP filter rule examples.......................................................128
Viewing IP Filter Statistics..................................... ............130
Managing Current IP Filter Sessions...............................130
19 Viewing DSL Pa ramet ers................................133
A IP Addresses, Network Masks, and
Subnets ........................................................136
IP Addresses.....................................................................136
Structure of an IP address.........................................136
Network classes.........................................................137
Subnet masks...................................................................137
B Binary Num ber s........................................ ..... .139
Binary Numbers................................................................139
Bits and bytes.............................................................139
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
Troubleshooting ..............................................141
C
Diagnosing Problem using IP Utilities..............................143
D Glossary...................... .... ..... .... ....... .... .... ..... ...145
ping........................................... ................. ................ .143
nslookup............................................................... ......144
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
FCC Compliance Statements
NOTE : This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is 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 by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following
measures :
Reorient or relocate 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 or an experienced radio/TV technician for help.
Warning : Modifications not expressly approved by the manufacturer could void the user’s
authority to operated the equipment under FCC rules.
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
1 Introduction
Congratulations on becoming the ow ne r of the V isionN et 202ER -4
ADSL Ethernet bridge/router. Your LAN (local area network) will
now be able to access the Intern et using your hig h-speed ADS L
connection.
This User Guide will show you how to install and set up the
VisionNet 202ER-4 ADSL Bridge/Router, and how to customize its
configuration to get the mos t out of y our new produc t.
Features
Internal ADSL mo dem for high-spe ed Internet ac cess
10/100Base-T Ethernet router to provide Internet
connectivity to all computers on your LAN
USB port for connecting a U SB-en abled PC
Netw ork addres s transl ation (NAT), Firewall, and IP filtering
functions to provide security for your LAN
Network configuration through DHCP Server and DHCP
Relay
Services including I P route and DNS co nfiguration, R IP,
and IP and DSL performance moni toring
Configuration program you access via an HTML browser
System Requirements
In order to use the VisionNet 202ER-4 ADSL/Ethernet router, you
must have the following:
ADSL service up and running on your telephone line, with
at least one public Internet address f or your LA N
One or mo re comp uters ea ch cont aining an Ethern et
10Base-T/100Base-T network interface card (NIC)
An Ethernet hub/switch, if you are connecting the device to
more than one computer on an Ethernet netw ork .
For system configuration using the supplied web-based
program: a web browser s uch as Internet Explore r v5.0 or
later, or Netscape v4.7 or later
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
Using this Document
Notational conventions
Acronyms are defined the first time they appear in text and
in the glossary (Appendix 0).
For brevity, the VisionNet 202ER-4 is referred to as “the
router.”
The ter ms LAN an d network are used interchangeably to
refer to a group of Ethernet-connected computers at one
site.
Typographical conventions
Italics are used to identify terms that a re defined in th e
glossary (Appendix 0).
Bolded text is us ed for items you s elect from me nus and
drop-down lists, and to identify field la bels you v iew onscreen.
Special messages
This document uses the following icons to call your attention to
specific instructions or explanations.
Note
Definition
WARNING
Provides clarifying or non-essential information on the current
topic.
Explains terms or acronyms that may be unfamiliar to many
readers. These terms are also included in the Glossary.
Provides messages of high imp ortance, inc luding mes sages
relating to personal safety or system integrity.
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
2 Getting to Know the VisionNet 202ER-4
Parts Check
In addition to this document, your VisionNet 202ER-4 should arrive
with the following (in pict ure, cloc kwis e from upper left ):
Visi onNet 202ER -4 AD SL Eth ernet Ro uter
Power adapter and power cord
CD wit h Manual
Quick Start Guide
Ethernet cable (“straight-through” type)
Standa rd phone/D SL lin e cable
Figure 1. VisionNet 202ER-4 ADSL/Ethernet Router Package Contents
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
Front Panel
The front panel contains lights called LED s that in dicate the s tatus
of the unit.
Figure 2. Front Panel and LEDs
Label When On
PPP
LAN On: LAN link established and active.
SYNC On: ADSL link established and active
Tx/Rx
ACT On: Device passed self test
POWER On: Unit is powered on
It’s On when VisionNet 202ER-4 is connected to PPP whi ch
is working.
Off: No LAN link
Blinking: DSL signal found
Off: No ADSL link
Flashes when ADSL data activity occurs.
May appear solid when data traffic is heavy.
Blinking: Device failed self test
Off: Unit is powered off
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guid
Rear Panel
The rear panel contains the ports for t he unit's da ta and pow er
connections.
Figure 3. Rear Panel C onn ectio ns
Label Function
POWER Switches the unit on and off
DC INPUT Connects to the supplied power converter cable
Ethernet
(Port 1 ~ Port 4)
PHONE Provides an optional connection to your telephone
LINE
RESET
Connects the device to your PC's Etherne t port, or to
the uplink port on your LAN's hub, using the cable
provided
Connects the device to a telephone jack for DSL
communication
Resets the device to the manufacturer’s default
configuration
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
3 Quick S tart
This Quick Start provides basic instru ctions f or connecting the
VisionNet 202ER-4 to a computer or LAN and to the Internet.
Part 1 des cribes set ting up the h ardwa re.
Part 2 describes how to config ure Internet properties o n
your computer(s) and how to install the software for using a
computer attached to the USB port.
Part 3 show s y ou how to conf igure basic settings on the
VisionNet 202ER-4 to get y our LAN connected to the
Internet.
This Quick Start assumes that you have already established ADSL
service with your Internet service provider (ISP). These instructions
provide a basic configuration that should b e compatible w ith your
home or small office network setup. Refer to the subsequent
chapters for additional configuration instructions.
Part 1 — Connecting the Hardware
WARNING
In Part 1, you connect the device to the phone jack, the power outlet,
and your computer or network.
Before you begin, turn the power off for all devices. These
include your computer(s), your LAN hub/switch (if applicable),
and the VisionNet 202ER-4.
Figure 4 illustrates the hardw are connec tion s. The lay out of the
ports on your device may vary from the layout shown. Refer to the
steps that follow for specific instructions.
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VisionNet 202ER-4 ADSL Ethernet Router User’s Guide
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