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DC-202 xDSL/Cable Broadband router
BroadbandRouter
DC‐202
Full Manual
DC-202 xDSL/Cable Broadband router
Table of Contents
REQUIREMENTS...............................................................................4
INTRODUCTION...............................................................................4
DC-202 Features........................................................................4
Internet Access Features..........................................................4
Advanced Internet Functions ....................................................5
LAN Features..........................................................................5
Configuration & Management....................................................5
Security Features....................................................................6
SETTING UP THE BROADBAND ROUTER...........................................7
Physical installation...................................................................7
Top LEDs ...............................................................................9
Rear Panel ...........................................................................10
PC SETUP.......................................................................................11
Set up TCP/IP..........................................................................11
Using DHCP.......................................................................... 11
Windows 98/ME.................................................................... 11
Windows 2000/XP................................................................. 11
Windows NT......................................................................... 13
Macintosh Clients.................................................................. 14
Linux Clients ........................................................................ 14
Internet access........................................................................15
Windows 98/ME/2000............................................................ 15
Windows XP ......................................................................... 15
Accessing AOL...................................................................... 15
Manual configuration – Internet access...................................16
Your country/ISP is not listed .................................................19
Cable Internet ...................................................................... 19
xDSL Internet....................................................................... 24
Home Screen ....................................................................... 30
LAN Screen ..............................................................................31
DHCP .................................................................................. 32
Password Screen .....................................................................33
OPERATION AND STATUS..............................................................34
Operation.................................................................................34
Status Screen...........................................................................34
Connection Status - PPPoE.......................................................36
Connection Status - PPTP ........................................................37
Connection Status - L2TP.........................................................38
Connection Details - Fixed/Dynamic IP Address......................40
ADVANCED FEATURES ...................................................................41
Overview .................................................................................41
Advanced Internet Screen .......................................................42
Communication Applications ................................................... 42
Special Applications............................................................... 43
Special Applications Screen .................................................... 43
Using a Special Application..................................................... 44
Multi-DMZ............................................................................ 44
DC-202 xDSL/Cable Broadband router
3
URL Filter............................................................................. 45
URL Filter Screen .................................................................. 45
Access Control .........................................................................47
Overview ............................................................................. 47
Access Control Screen ........................................................... 47
Group Members Screen.......................................................... 49
Default Schedule Screen ........................................................ 50
Services Screen.................................................................... 51
Access Control Log................................................................ 52
Remote Management ...............................................................53
Virtual Servers.........................................................................54
IP Address seen by Internet Users........................................... 54
Virtual Servers Screen........................................................... 54
Defining your own Virtual Servers ........................................... 56
Connecting to the Virtual Servers............................................ 57
Dynamic DNS (Domain Name Server)......................................58
Dynamic DNS Screen ............................................................ 58
Upgrade Firmware ...................................................................60
Config File................................................................................61
PC Database.............................................................................62
PC Database Screen .............................................................. 62
PC Database (Admin) ............................................................ 63
Network Diagnostics................................................................66
Options ....................................................................................67
Security ...................................................................................69
Logs.........................................................................................71
MAC Address............................................................................73
MAC Address Screen ............................................................. 73
Routing....................................................................................74
Overview ............................................................................. 74
Routing Screen..................................................................... 74
Configuring Other Routers on your LAN.................................... 76
Static Routing - Example........................................................ 77
APPENDIX A TROUBLESHOOTING..................................................78
Overview .................................................................................78
General Problems ....................................................................78
Internet Access........................................................................79
APPENDIX B SPECIFICATIONS ......................................................80
Multi-Function DC-202 Broadband Router ...............................80
FCC Statement .........................................................................80
FCC Radiation Exposure Statement.......................................... 81
CE Marking Warning.............................................................. 81
DC-202 xDSL/Cable Broadband router
4
Requirements
• Cable modem or DSL/ADSL modem.
• Standard 10/100BaseT (UTP) network cables with RJ45 connectors.
• PCs that make use of the TCP/IP network protocol.
Introduction
Congratulations on the purchase of your new DC-202 Broadband Router.
The DC-202 is a multi-function device providing the following services:
• Shared Broadband Internet Access for all LAN users.
• 4-Port Switching Hub for 10BaseT or 100BaseT connections.
DC-202 Features
The DC-202 incorporates many advanced features, carefully designed to
provide sophisticated functions while being easy to use.
Internet Access Features
• Shared Internet Access. All users on the LAN or WLAN can access
the Internet through the DC-202, using only a single external IP Ad-
dress. The local (invalid) IP Addresses are hidden from external
sources. This process is called NAT (Network Address Translation).
• DSL & Cable Modem Support. The DC-202 has a 10/100BaseT
Ethernet port for connecting a DSL or Cable Modem. All popular DSL
and Cable Modems are supported. SingTel RAS and Big Pond (Australia)
login support is also included.
• Supports all Connection Methods. The Internet (WAN port) connec-
tion supports PPPoE (PPP over Ethernet), PPTP (Peer-to-Peer Tunneling
Protocol), L2TP (Level 2 Tunneling Protocol), SingTel RAS and Telstra
Big Pond (Australia), as well as “Direct Connection” type services.
• Fixed or Dynamic IP Address. On the Internet (WAN port) connec-
tion, the DC-202 supports both Dynamic IP Address (IP Address is
allocated on connection) and Fixed IP Address.
DC-202 xDSL/Cable Broadband router
5
Advanced Internet Functions
• Communication Applications. Support for Internet communication
applications, such as interactive Games, Telephony, and Conferencing
applications, which are often difficult to use when behind a Firewall, is
included.
• Special Internet Applications. Applications which use non-standard
connections or port numbers are normally blocked by the Firewall. The
ability to define and allow such applications is provided, to enable such
applications to be used normally.
• Virtual Servers. This feature allows Internet users to access Internet
servers on your LAN. The required setup is quick and easy.
• DMZ. One (1) PC on your local LAN can be configured to allow unre-
stricted 2-way communication with Servers or individual users on the
Internet. This provides the ability to run programs which are incom-
patible with Firewalls.
• URL Filter. Use the URL Filter to block access to undesirable Web sites
by LAN users.
• Internet Access Log. See which Internet connections have been
made.
• Access Control. Using the Access Control feature, you can assign LAN
users to different groups, and determine which Internet services are
available to each group.
• VPN Pass through Support. PCs with VPN (Virtual Private Network-
ing) software using PPTP, L2TP and IPSec are transparently supported -
no configuration is required.
LAN Features
• 4-Port Switching Hub. The DC-202 incorporates a 4-port
10/100BaseT switching hub, making it easy to create or extend your
LAN.
• DHCP Server Support. Dynamic Host Configuration Protocol provides
a dynamic IP address to PCs and other devices upon request. The DC-
202 can act as a DHCP Server for devices on your local LAN and
WLAN.
• Multi Segment LAN Support. LANs containing one or more segments
are supported, via the DC-202's RIP (Routing Information Protocol)
support and built-in static routing table.
Configuration & Management
• Easy Setup. Use your WEB browser from anywhere on the LAN for
configuration.
• Configuration File Upload/Download. Save (download) the con-
figuration data from the DC-202 to your PC, and restore (upload) a
previously-saved configuration file to the DC-202.
• Remote Management. The DC-202 can be managed from any PC on
your LAN. And, if the Internet connection exists, it can also (optionally)
be configured via the Internet.
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6
• UPnP Support. UPnP (Universal Plug and Play) allows automatic dis-
covery and configuration of the DC-202. UPnP is by supported by
Windows ME, XP, or later.
Security Features
• Password - protected Configuration. Optional password protection
is provided to prevent unauthorized users from modifying the configu-
ration data and settings.
• NAT Protection. An intrinsic side effect of NAT (Network Address
Translation) technology is that by allowing all LAN users to share a sin-
gle IP address, the location and even the existence of each PC is
hidden. From the external viewpoint, there is no network, only a single
device - the DC-202.
• Stateful Inspection Firewall. All incoming data packets are moni-
tored and all incoming server requests are filtered, thus protecting your
network from malicious attacks from external sources.
• Protection against DoS attacks. DoS (Denial of Service) attacks can
flood your Internet connection with invalid packets and connection re-
quests, using so much bandwidth and so many resources that Internet
access becomes unavailable. The DC-202 incorporates protection
against DoS attacks.
DC-202 xDSL/Cable Broadband router
7
Setting up the broadband router
Physical installation
1. For the installation of the Broadband router it is assumed that you have
at least one PC with a working broadband Internet connection. It is also
assumed that the modem is configured in accordance with the require-
ments of your ISP and of the modem manufacturer. If not, first consult
the manual of your ISP.
2. Before you begin, check that power is not connected to either the
broadband router or the cable modem/DSL modem. Leave your cable
modem/DSL modem plugged in (telephone line or cable input).
Installation - DC-202
3. Connect the LAN cables: For the DC-202, use standard LAN cables to
connect the PCs to the LAN ports (hub) on the broadband router. If
necessary connect the "Uplink" port to a standard port on another hub.
You must use a standard LAN cable for this.
Note: If you use the "Uplink" port, then port 4 CANNOT be used.
4. Connect your cable modem/DSL modem to the WAN-port on the broad-
band router. Use the cable supplied with your cable modem/DSL
modem. If no cable was supplied with your modem, use a standard
network cable.
DC-202 xDSL/Cable Broadband router
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5. Switch on the cable modem/DSL modem.
6. Connect the power supply adapter to the broadband router. Use only
the adapter supplied with the router.
7. Check de LEDs
• The Power LED must be ON.
• The Status LED must start flashing, after which it must be extin-
guished. If it remains on, this indicates that there is a hardware
problem.
• The WAN LED must be ON.
• For each active LAN connection, the associated LAN Link/Act LED must
be ON.
DC-202 xDSL/Cable Broadband router
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Top LEDs
WAN LAN Power Status (Red)
On - Connection to
the modem attached
to the WAN (Internet)
port is established.
Flashing - Data is
being transmitted or
received via the WAN
port.
For each port, there are 2 LEDs
Link/Act
On - Corresponding LAN (hub)
port is active.
Off - No active connection on the
corresponding LAN (hub) port.
Flashing - Data is being trans-
mitted or received via the
corresponding LAN (hub) port.
100
On - Corresponding LAN (hub)
port is using 100BaseT.
Off - Corresponding LAN (hub)
port connection is using
10BaseT, or no active connec-
tion.
On - Power on.
Off - No Power.
On - Error
condition.
Off - Normal
operation.
Blinking - This
LED blinks
during start up.
DC-202 xDSL/Cable Broadband router
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Rear Panel
Reset Button WAN port
(10/100BaseT)
10/100BaseT
LAN connections
Power port
This button has two (2)
functions:
Reboot. When pressed and
released, the DC-202 will
reboot (restart).
Clear All Data. This button
can also be used to clear ALL
data and restore ALL set-
tings to the factory default
values.
To Clear All Data and
restore the factory de-
fault values:
Power Off.
Hold the Reset Button down
while you Power On.
Keep holding the Reset
Button for a few seconds,
until the RED Status LED on
the front panel has flashed
TWICE.
Release the Reset Button.
The DC-202 is now using the
factory default values.
Connect the DSL
or Cable Modem
here. If your
modem came with
a cable, use the
supplied cable.
Otherwise, use a
standard LAN
cable.
Use standard LAN
cables (RJ45 connec-
tors) to connect your
PCs to these ports.
Note:
Any LAN port on the
DC-202 will automati-
cally function as an
"Uplink" port when
required. Just connect
any port to a normal
port on the other hub,
using a standard LAN
cable.
Connect the
supplied power
adapter here.
DC-202 xDSL/Cable Broadband router
11
PC Setup
Set up TCP/IP
If you are using a Fixed (specified) IP address, the following
changes are required:
• The Gateway must be set to the IP address of the DC-202
• The DNS should be set to the address provided by your ISP.
Using DHCP
To use DHCP, select the radio button Obtain an IP Address automatically.
This is the default Windows setting. Using this is recommended. By
default, the DC-202 will act as a DHCP Server.
Windows 98/ME
Right click the Network Neighbourhood icon on the desktop and click
Properties. The following window will be displayed:
Windows 2000/XP
Right click the My Network Places icon on the desktop and click Proper-
ties. The following window will be displayed:
Right click the Local Area Connection of the correct network card, and
then choose Properties.
DC-202 xDSL/Cable Broadband router
12
If the list that appears on screen does not include a line, such as the one
that has been selected above ("TCP/IP -> network card"), then follow the
steps indicated below for adding this line:
• Click on the button "Add"
• Double-click on "Protocol"
• Select "Microsoft" and thereafter "TCP/IP"
• Click on "OK"
• Wait a few seconds, so that TCP/IP can be added. Thereafter, click on
"OK" to leave the network properties screen. Restart your PC.
Select the line “TCP/IP -> Network card” as shown above. Click on the
button Properties to obtain a window similar to the following:
Check whether the setting "Obtain an IP address automatically" has
been selected, as is illustrated above. The DHCP server in the broadband
router will now assign an IP address to the PC.
DC-202 xDSL/Cable Broadband router
13
Windows NT
Select Control Panel - Network, and, on the Protocols tab, select the TCP/IP
protocol, as shown below.
Click the Properties button to see a screen like the one below.
Select the network card for your LAN.
Select the appropriate radio button - Obtain an IP address from a DHCP
Server
Restart your PC, even if you have not made any changes.
DC-202 xDSL/Cable Broadband router
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Macintosh Clients
From your Macintosh, you can access the Internet via the DC-202. The
procedure is as follows.
1. Open the TCP/IP Control Panel.
2. Select Ethernet from the Connect via pop-up menu.
3. Select Using DHCP Server from the Configure pop-up menu. The DHCP
Client ID field can be left blank.
4. Close the TCP/IP panel, saving your settings.
Note:
If using manually assigned IP addresses instead of DHCP, the required
changes are:
• Set the Router Address field to the DC-202's IP Address.
• Ensure your DNS settings are correct.
Linux Clients
To access the Internet via the DC-202, it is only necessary to set the DC-
202 as the "Gateway".
Ensure you are logged in as "root" before attempting any changes.
Fixed IP Address
By default, most Unix installations use a fixed IP Address. If you wish to
continue using a fixed IP Address, make the following changes to your
configuration.
• Set your "Default Gateway" to the IP Address of the DC-202.
• Ensure your DNS (Name server) settings are correct.
To act as a DHCP Client (recommended)
The procedure below may vary according to your version of Linux and X -
windows shell.
1. Start your X Windows client.
2. Select Control Panel - Network
3. Select the "Interface" entry for your Network card. Normally, this will
be called "eth0".
4. Click the Edit button, set the "protocol" to "DHCP", and save this data.
5. To apply your changes
• Use the "Deactivate" and "Activate" buttons, if available.
• OR, restart your system.
DC-202 xDSL/Cable Broadband router
15
Internet access
Windows 98/ME/2000
• In the Taskbar, click on the Start button and select Settings - Control
Panel - Internet options.
• Select the tab page Connections and click on the button Settings.
• Select "I want to configure my Internet connection manually" or "I
want to make a connection via a LAN network" and click on "Next >".
• Select "I want to connect via a LAN network" and click on "Next >".
• Check carefully that all of the checkboxes in the screen Internet con-
figuration for a LAN have not been checked.
• Continue with the steps in the wizard, until the task is completed.
• The configuration is now completed.
Windows XP
• In the Taskbar, click on the Start button and select - Settings –
Control Panel - Internet options.
• Select the tab Connections and click the Setup… button.
• When the New Connection Wizard starts, click on Next.
• Select Connect to internet and click on Next.
• Select Set up my connection manually and click on Next.
• Select Connect using a broadband connection that is always on and
click on Next.
• Click on Finish to close the Wizard.
• In the Taskbar, click on the Start button and select - Settings –
Control Panel - Internet options.
• Select the Connections tab and click on the LAN Settings button.
• Check carefully that none
of the boxes in the Local Area Network
(LAN) Settings window are checked.
• The configuration is now completed.
Accessing AOL
To access AOL (America On Line) through the DC-202, the AOL for Win-
dows software must be configured to use TCP/IP network access, rather
than a dial-up connection. The configuration process is as follows:
• Start the AOL for Windows communication software. Ensure that it is
Version 2.5, 3.0 or later. This procedure will not work with earlier ver-
sions.
• Click the Setup button.
• Select Create Location, and change the location name from "New Local-
ity" to "DC-202".
• Click Edit Location. Select TCP/IP for the Network field. (Leave the
Phone Number blank.)
• Click Save, then OK.
Configuration is now complete.
• Before clicking "Sign On", always ensure that you are using the "DC-
202" location.
DC-202 xDSL/Cable Broadband router
16
Manual configuration – Internet access
1. Make TCP/IP settings on your PC, as described in the foregoing sec-
tion.
Do not forget to restart your PC after you have finished.
2. Using UPnP
If your Windows system supports UPnP, an icon for the DC-202 will ap-
pear in the system tray, notifying you that a new network device has
been found, and offering to create a new desktop shortcut to the
newly-discovered device.
• Unless you intend to change the IP Address of the DC-202, you can
accept the desktop shortcut.
• Whether you accept the desktop shortcut or not, you can always
find UPnP devices in My Network Places.
Double click the icon for the DC-202 (either on the Desktop, or in
My Network Places) to start the configuration. Proceed with step 4.
3. Start your web browser. In the Address field, enter the following:
192.168.0.1
If you can't connect
If the DC-202 does not respond, check the following:
• The DC-202 is properly installed, LAN connection is OK, and it
is powered ON. You can test the connection by using the
"Ping" command:
• Open the MS-DOS window or command prompt window.
• Enter the command:
ping 192.168.0.1
If no response is received, either the connection is not work-
ing, or your PC's IP address is not compatible with the DC-
202's IP Address. (See next item.)
• If your PC is using a fixed IP Address, its IP Address must be
within the range 192.168.0.2 to 192.168.0.254 to be compati-
ble with the DC-202's default IP Address of 192.168.0.1. Also,
the Network Mask must be set to 255.255.255.0. See Chapter
4 - PC Configuration for details on checking your PC's TCP/IP
settings.
• Ensure that your PC and the DC-202 are on the same network
segment. (If you don't have a router, this must be the case.)
DC-202 xDSL/Cable Broadband router
17
4. The start up window will now be displayed. Click on Setup.
5. The Set up wizard will now be displayed; check that the modem is
connected and click on Next.
6. Select your country from the Country list. If your Country isn’t listed,
please see the next Chapter “Your Country/ISP is not listed”
7. From Service, select your internet provider. Click Next.
DC-202 xDSL/Cable Broadband router
18
8. Depending on the chosen provider, you may need to enter your user
name and password and MAC address or hostname in the following
window. Then click on Next.
9. Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
The configuration is now completed.
DC-202 xDSL/Cable Broadband router
19
Your country/ISP is not listed
Select the type of your Internet connection, (for instance cable or ADSL)
and then click on Next.
Cable Internet
• Fill in the Hostname and the Domain name, if you received this
from your Internet service provider.
For some providers it will be necessary to fill in the MAC address of
the network card the Modem was attachet to originally.
If you received an username and password from your ISP, then
choose PPPoE
If you received an Server address from your provider besides an user-
name and password, then choose L2TP (Currently L2TP is only used
by a Dutch provider)
If you didn’t receive a username and password, then choose None.
DC-202 xDSL/Cable Broadband router
20
- PPPoE
Fill in your Username and your password.
Choose the Connect Behavior.
"Automatic connect/Disconnect" causes the router to connect as
soon as an application is started which require an internet connection
(i.e. MSN, ICQ, Windows update, etc.)
"Manual Connect/Disconnect" causes the router to connect only
when the user clicks ‘connect’ in the ‘Connection details’ window.
“Keep Alive” cuases the router to maintain the connection at all time.
The “Auto-disconnect Time-out periode” is the amount of time af-
ter which the router disconnects from internet.
Then click Next.
If your provider has assigned you a fixed IP address, you input this in
the field Specified IP Address and also fill in your DNS IP address.
If you have a dynamic IP address, select the option IP address is as-
signed automatically. The click Next.
Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
DC-202 xDSL/Cable Broadband router
21
The configuration is now completed.
DC-202 xDSL/Cable Broadband router
22
- L2TP
Fill in the L2TP server IP address or Domain Name
Fill in your Username and your password.
Choose the Connect Behavior.
"Automatic connect/Disconnect" causes the router to connect as
soon as an application is started which require an internet connection
(i.e. MSN, ICQ, Windows update, etc.)
"Manual Connect/Disconnect" causes the router to connect only
when the user clicks ‘connect’ in the ‘Connection details’ window.
“Keep Alive” causes the router to maintain the connection at all time.
The “Auto-disconnect Time-out periode” is the amount of time af-
ter which the router disconnects from internet.
Then click Next.
If your provider has assigned you a fixed IP address, you input this in
the field Specified IP Address and also fill in your DNS IP address.
If you have a dynamic IP address, select the option IP address is as-
signed automatically. The click Next.
Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
The configuration is now completed
DC-202 xDSL/Cable Broadband router
23
- NONE
If your provider has assigned you a fixed IP address, you input this in
the field Specified IP Address and also fill in your DNS IP address.
If you have a dynamic IP address, select the option IP address is as-
signed automatically. The click Next.
Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
The configuration is now completed
DC-202 xDSL/Cable Broadband router
24
xDSL Internet
If you received an username and password from your ISP, then choose
PPPoE
If you received an Server address from your provider besides an username
and password, then choose PPTP or L2TP. Please check with your ISP
which protocol you need.(Currently L2TP is only used by a Dutch provider)
If you didn’t receive a username and password, then choose None.
DC-202 xDSL/Cable Broadband router
25
- PPPoE
Fill in your Username and your password.
Choose the Connect Behavior.
"Automatic connect/Disconnect" causes the router to connect as
soon as an application is started which require an internet connection
(i.e. MSN, ICQ, Windows update, etc.)
"Manual Connect/Disconnect" causes the router to connect only
when the user clicks ‘connect’ in the ‘Connection details’ window.
“Keep Alive” cuases the router to maintain the connection at all time.
The “Auto-disconnect Time-out periode” is the amount of time af-
ter which the router disconnects from internet.
Then click Next.
If your provider has assigned you a fixed IP address, you input this in
the field Specified IP Address and also fill in your DNS IP address.
If you have a dynamic IP address, select the option IP address is as-
signed automatically. The click Next.
Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
DC-202 xDSL/Cable Broadband router
26
The configuration is now completed.
DC-202 xDSL/Cable Broadband router
27
- PPTP
Fill in the PPTP server IP address or Domain Name
Fill in your Username and your password.
Choose the Connect Behavior.
"Automatic connect/Disconnect" causes the router to connect as
soon as an application is started which require an internet connection
(i.e. MSN, ICQ, Windows update, etc.)
"Manual Connect/Disconnect" causes the router to connect only
when the user clicks ‘connect’ in the ‘Connection details’ window.
“Keep Alive” causes the router to maintain the connection at all time.
The “Auto-disconnect Time-out periode” is the amount of time af-
ter which the router disconnects from internet.
Then click Next.
If your provider has assigned you a fixed IP address, you input this in
the field Specified IP Address and also fill in your DNS IP address.
If you have a dynamic IP address, select the option IP address is as-
signed automatically. The click Next.
Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
The configuration is now completed
DC-202 xDSL/Cable Broadband router
28
- L2TP
Fill in the L2TP server IP address or Domain Name
Fill in your Username and your password.
Choose the Connect Behavior.
"Automatic connect/Disconnect" causes the router to connect as
soon as an application is started which require an internet connection
(i.e. MSN, ICQ, Windows update, etc.)
"Manual Connect/Disconnect" causes the router to connect only
when the user clicks ‘connect’ in the ‘Connection details’ window.
“Keep Alive” causes the router to maintain the connection at all time.
The “Auto-disconnect Time-out periode” is the amount of time af-
ter which the router disconnects from internet.
Then click Next.
If your provider has assigned you a fixed IP address, you input this in
the field Specified IP Address and also fill in your DNS IP address.
If you have a dynamic IP address, select the option IP address is as-
signed automatically. The click Next.
Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
The configuration is now completed
DC-202 xDSL/Cable Broadband router
29
- NONE
If your provider has assigned you a fixed IP address, you input this in
the field Specified IP Address and also fill in your DNS IP address.
If you have a dynamic IP address, select the option IP address is as-
signed automatically. The click Next.
Click finish to complete the configuration. Click on Close. If Test
Internet Connection is checked, the router will test the connection
after you have clicked on finish. Wait until this test has been completed
before you click on close.
The configuration is now completed
DC-202 xDSL/Cable Broadband router
30
Home Screen
After finishing the Setup Wizard, you will see the Home screen. When you
connect in future, you will see this screen when you connect. An example
screen is shown below.
Navigation & Data Input
• Use the menu bar on the left of the screen, and the "Back" button on
your Browser, for navigation.
• Changing to another screen without clicking "Save" does NOT save any
changes you may have made. You must "Save" before changing
screens or your data will be ignored.
On each screen, clicking the "Help" button
will display help for that screen.
From any help screen, you can access the
list of all help files (help index).
DC-202 xDSL/Cable Broadband router
31
LAN Screen
Click LAN tab In the HOME menu to reach the LAN screen An example
screen is shown below.
Data - LAN Screen
TCP/IP
IP Address
IP address for the DC-202, as seen from the local LAN. Use the default
value unless the address is already in use or your LAN is using a
different IP address range. In the latter case, enter an unused IP
Address from within the range used by your LAN.
Subnet Mask
The default value 255.255.255.0 is standard for small (class "C")
networks. For other networks, use the Subnet Mask for the LAN
segment to which the DC-202 is attached (the same value as the PCs
on that LAN segment).
DHCP Server
• If Enabled, the DC-202 will allocate IP Addresses to PCs (DHCP
clients) on your LAN when they start up. The default (and recom-
mended) value is Enabled.
• If you are already using a DHCP Server, this setting must be
Disabled, and the existing DHCP server must be re-configured to
treat the DC-202 as the default Gateway. See the following sec-
tion for further details.
• The Start IP Address and Finish IP Address fields set the
values used by the DHCP server when allocating IP Addresses to
DHCP clients. This range also determines the number of DHCP cli-
ents supported.
See the following section for further details on using DHCP.
Buttons
Save
Save the data on screen.
Cancel
The "Cancel" button will discard any data you have entered and reload
the file from the DC-202.
DC-202 xDSL/Cable Broadband router
32
DHCP
What DHCP Does
A DHCP (Dynamic Host Configuration Protocol) Server allocates a valid IP
address to a DHCP Client (PC or device) upon request.
• The client request is made when the client device starts up (boots).
• The DHCP Server provides the Gateway and DNS addresses to the
client, as well as allocating an IP Address.
• The DC-202 can act as a DHCP server.
• Windows 95/98/ME and other non-Server versions of Windows will act
as a DHCP client. This is the default Windows setting for the TCP/IP
network protocol. However, Windows uses the term Obtain an IP Ad-
dress automatically instead of "DHCP Client".
• You must NOT have two (2) or more DHCP Servers on the same LAN
segment. (If your LAN does not have other Routers, this means there
must only be one (1) DHCP Server on your LAN.)
Using the DC-202's DHCP Server
This is the default setting. The DHCP Server settings are on the LAN
screen. On this screen, you can:
• Enable or Disable the DC-202's DHCP Server function.
• Set the range of IP Addresses allocated to PCs by the DHCP Server
function.
You can assign Fixed IP Addresses to some
devices while using DHCP, provided that the
Fixed IP Addresses are NOT within the range
used by the DHCP Server.
Using another DHCP Server
You can only use one (1) DHCP Server per LAN segment. If you wish to
use another DHCP Server, rather than the DC-202's, the following proce-
dure is required.
1. Disable the DHCP Server feature in the DC-202. This setting is on the
LAN screen.
2. Configure the DHCP Server to provide the DC-202's IP Address as the
Default Gateway.
DC-202 xDSL/Cable Broadband router
33
Password Screen
The password screen allows you to assign a password to the DC-202.
Once you have assigned a password to the DC-202 (on the Password
screen above) you will be prompted for the password when you connect, as
shown below. (If no password has been set, this dialog will not appear.)
• Leave the "User Name" blank.
• Enter the password for the DC-202, as set on the Password screen
above.
DC-202 xDSL/Cable Broadband router
Operation and Status
Operation
Once both the DC-202 and the PCs are configured, operation is
automatic.
However, there are some situations where additional Internet configuration
may be required:
• If using Internet-based Communication Applications, it may be
necessary to specify which PC receives an incoming connection. Refer
to chapter Advanced Features for further details.
• Applications which use non-standard connections or port numbers may
be blocked by the DC-202's built-in firewall. You can define such appli-
cations as Special Applications to allow them to function normally.
Refer to chapter Advanced Features for further details.
• Some non-standard applications may require use of the DMZ feature.
Refer to chapter Advanced Features for further details.
Status Screen
Use the Status tab on the Home menu to view this screen.
DC-202 xDSL/Cable Broadband router
73
MAC Address
The MAC (hardware) address is a low-level network identifier. It may be
called "MAC Address", "Hardware Address", or "Physical Address". On a PC,
this address is associated with the Network card or adapter. The address
on the MAC Address screen is the address on the Internet (WAN port)
interface, and has no effect on the LAN interface.
• If your ISP asks for the Network Adapter Address, Physical Address,
Hardware Address, or MAC Address for the PC the DSL/Cable modem is
connected to, provide this value.
• If your ISP has already recorded a MAC Address, you can change the
address used by the DC-202 to match the address recorded by your
ISP.
MAC Address Screen
Select MAC Address from the Advanced menu to reach a screen like the
example below.
Data - MAC Address Screen
MACAddress
The current MAC (hardware) address is displayed.
If your ISP has recorded a Hardware Address, you can "spoof" that
address by entering it in the address field. The hardware address
consists of 12 characters, where each character is a digit (0..9) or a
character between A and F.
Buttons
Default
Inserts the default MAC address into the MAC address field. You
must click "Save" to actually change the address used.
Copy from PC
Inserts the MAC address from your PC into the MAC address field.
You must click "Save" to actually change the address used.
Save
Save your changes to the DC-202.
Cancel
Reverse any changes made since the last "Save".
… 73 …

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