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DC-214/216 ADSL Homestation
ADSL Homestation DC-214/216
full manual
DC-214/216 ADSL Homestation
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i
1. I
NTRODUCTION
........................................................................................................2
1.2 Package Contents .............................................................................................. 2
1.3 The DC-214/216 ADSL Homestation Features........................................................ 3
1.4
P
HYSICAL DETAILS
.................................................................................................... 4
T
HE
F
RONT
LED
S
............................................................................................................4
T
HE
R
EAR
P
ORTS
............................................................................................................4
1.5
C
ABLING
.................................................................................................................5
2.
I
NSTALLATION
............................................................................................................6
2.1 Installing the USB Driver .................................................................................... 6
Windows XP....................................................................................................... 6
Windows 2000 ................................................................................................. 10
Windows Me .................................................................................................... 13
Windows 98..................................................................................................... 16
3.
C
ONFIGURING THE
N
ETWORK
P
ROPERTIES
...................................................................... 21
Windows 98/ME ............................................................................................... 21
Windows 2000/XP ............................................................................................ 22
Windows 98/ME/2000/XP .................................................................................. 22
4.
C
ONFIGURATION
U
TILITY
........................................................................................... 23
5.
A
DVANCED
C
ONFIGURATION
. ....................................................................................... 30
5.1 Default settings ............................................................................................... 30
5.2 Password ........................................................................................................ 30
5.3 Information from ISP ....................................................................................... 31
5.4 Configuring with Web Browser ........................................................................... 33
5.5 Status ............................................................................................................ 34
5.5.1 Homepage ................................................................................................... 34
5.5.2 Status – ADSL Status .................................................................................... 35
5.5.3 Status – LAN ................................................................................................ 36
5.6 Configuration .................................................................................................. 37
5.6.1 WAN Configuration ........................................................................................ 37
5.6.2 LAN Configuration ......................................................................................... 40
5.6.3 NAT Configuration ......................................................................................... 42
5.6.4 Virtual Server Configuration ........................................................................... 44
5.6.5 Bridge Filtering Configuration ......................................................................... 46
5.6.6 DNS Configuration......................................................................................... 47
5.6.7 Save Settings ............................................................................................... 48
5.7 Administration ................................................................................................. 48
5.7.1 WAN Status.................................................................................................. 48
5.7.2 ATM Status................................................................................................... 49
5.7.3 TCP Status ................................................................................................... 50
5.7.4 Route Table.................................................................................................. 51
5.7.5 Learned ( Bridge ) MAC Table ......................................................................... 53
5.7.6 ADSL Configuration ....................................................................................... 54
5.7.7 RIP Configuration .......................................................................................... 55
5.7.8 Password Configuration.................................................................................. 57
5.7.9 Miscellaneous Configuration........................................................................... 58
5.7.10 Reset to Factory Default............................................................................... 59
5.7.11 Diagnostic Test ........................................................................................... 60
5.7.12 Firmware Update......................................................................................... 63
5.7.13 Network Code Image Update ........................................................................ 64
5.7.14 System Log ................................................................................................ 64
6.
T
ROUBLE SHOOTING
................................................................................................... 65
6.1 Problems Starting Up the ADSL Router ............................................................... 65
6.2 Problems with the WAN Interface....................................................................... 65
6.3 Problems with the LAN Interface ........................................................................ 65
6.4 Problems Connecting to a Remote Node or ISP .................................................... 65
7.
S
PECIFICATIONS
.......................................................................................................66
DC-214/216 ADSL Homestation
2
1. Introduction
The DC-214/216 ADSL Homestation provides a high-speed Ethernet port and an USB port
for high-speed Internet browsing. It can support downstream transmission rates of up to
8Mbps and upstream transmission rates of up to 1024Kbps. It is compliant with Multi-Mode
standard (ANSI T1.413, Issue 2; G.dmt (G.992.1); G.lite (G992.2); G.hs (G994.1)).
It is the perfect solution to connect a small group of PCs to a high-speed broadband
Internet connection. Multi-users can have high-speed Internet access simultaneously.
This product also serves as an Internet firewall, protecting your network from being
accessed by outside users. Not only provide the natural firewall function (Network Address
Translation, NAT), it also provides rich firewall features to secure user’s network. All
incoming data packets are monitored and filtered. Besides, it can also be configured to
block internal users from accessing to the Internet.
The product provides two levels of security support. First, it masks LAN users’ IP addresses
which are invisible to outside users on the Internet, making it much more difficult for a
hacker to target a machine on your network. Secondly, it can block and redirect certain
ports to limit the services that outside users can access. For example, to ensure that
games and other Internet applications will run properly, users can open some specific ports
for outside users to access internal services in network.
Integrated DHCP services, client and server, allow multiple users to get their IP addresses
automatically on boot up from the product. Simply set local machines as a DHCP client to
accept a dynamically assigned IP address from DHCP server and reboot. Each time local
machine is powered up; the router will recognize it and assign an IP address and instantly
connect it to the LAN.
For advanced users, the Virtual Service function allows the product to provide limited
visibility to local machines with specific services for outside users. An ISP provided IP
address can be set to the product and then specific services can be rerouted to specific
computers on the local network. For instance, a dedicated web server can be connected to
the Internet via the product and then incoming requests for HTML that are received by the
product can be rerouted to the dedicated local web server, even though the server now has
a different IP address. In this example, the product is on the Internet and vulnerable to
attacks, but the server is protected.
Virtual Server can also be used to re-task services to multiple servers. For instance, the
product can be set to allow separated FTP, Web, and Multiplayer game servers to share the
same Internet-visible IP address while still protecting the servers and LAN users from
hackers.
1.2 Package Contents
1. DC-214/216 ADSL Homestation
2. One CD-ROM containing the driver and online manual
3. One Quick Start Guide
4. One RJ-11 ADSL/telephone cable
5. One CAT-5 crossover LAN cable
6. One USB cable
7. One power adapter
3
1.3 The DC-214/216 ADSL Homestation Features
The DC-214/216 ADSL Homestation provides the following features:
ADSL Multi-Mode Standard: Supports downstream transmission rates of up to 8Mbps and
upstream transmission rates of up to 1024Kbps. It is compliant with Multi-Mode standard
(ANSI T1.413, Issue 2; G.dmt (G.992.1); G.lite (G992.2); G.hs (G994.1)).
Multi-Protocol to Establish A Connection: Supports PPPoA (RFC 2364 - PPP over ATM
Adaptation Layer 5), RFC 1483 encapsulation over ATM (bridged or routed), PPP over
Ethernet (RFC 2516) and IPoA (RFC1577) to establish a connection with ISP. The product
also supports VC-based and LLC-based multiplexing.
Network Address Translation (NAT): Allows multi-users to access outside resource such
as Internet simultaneously with one IP address/one Internet access account. Besides, many
application layer gateway (ALG) are supported such as web browser, ICQ, FTP, Telnet, E-
mail, News, Ping and others.
Domain Name System (DNS) relay: Provides an easy way to map the domain name (a
friendly name for user such as www.yahoo.com) and IP address. When local machine sets
its DNS server with this router’s IP address. Then every DNS conversion request packet
from the PC to this router will be forwarded to the real DNS in outside network. After the
router gets the reply, then forwards it back to the PC.
PPP over Ethernet (PPPoE): Provides embedded PPPoE client function to establish a
connection. Users can get greater access speed without changing the operation concept,
sharing the same ISP account and paying for one access account. No PPPoE client software
is required for local computer. The Automatic Reconnect and Disconnect Timeout (Idle
Timer) functions are provided, too.
Virtual Server: User can specify some services to be visible from outside users. The router
can detect incoming service request and forward it to the specific local computer to handle
it. For example, user can assign a PC in LAN acting as WEB server inside and expose it to
the outside network. Outside user can browse inside web server directly while it is protected
by NAT. A DMZ host setting is also provided to a local computer exposed to the outside
network, Internet.
Bridge Filtering: Filters the packet based on MAC address. It will increase the performance
in LAN and WAN, also provide a higher-level security control.
Dynamic Host Control Protocol (DHCP) client and server: In the WAN site, the DHCP
client can get an IP address from the Internet Server Provider (ISP) automatically. In the
LAN site, the DHCP server can allocate multiple clients IP addresses and distribute them
including IP address, subnet mask as well as DNS IP address to local computers. It provides
an easy way to manage the local IP network.
Web based GUI: Supports user-friendly web based GUI for configuration and management.
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1.4 Physical details
The Front LEDs
Power USB LAN ADSL
When lit, it
indicates that the
device is turned on
and working
properly.
When this LED is lit, it
indicates that the USB
port is connected to
the PC and working
properly. When
flashing data is
received/send
When lit, it indicates
that the LAN port is
connected to the PC
and working
properly. When
flashing data is
received/send
When lit, it indicates
the ADSL port is
connected with the
DSLAM and working
properly. When
flashing data is
received/send.
The Rear Ports
LINE
(RJ-11 connector)
USB
(USB connector)
Reset Ethernet Port
(RJ-45 connector)
Power
(jack)
On/Off
Connect the supplied
RJ-11 cable to this port
and the ADSL wallplug
Connect the
supplied USB
cable to this port
when connecting
to the PC.
Press to restore to
the factory default
settings.
Connect the supplied
crossover cable to
this port when
connecting to a NIC
(Network Interface
card) in a PC.
Connect an UTP
Ethernet cable to this
port when connecting
to a LAN such as an
office or home
Connect the
supplied
power
adapter to
this jack.
Turn the
modem/router
on or off
5
network.
1.5 Cabling
Through Ethernet Port
Connect the LAN cables: Use standard LAN cables to connect the PCs to the LAN ports
(switch) on the homestation.
Make sure that all connected devices are turned on. Please, check that the PWR, LAN LNK
and ADSL SYN LEDs are lit. If they are not, verify that you are using the proper cables.
If the cables are connected and the LEDs are lit normally, please go to section “3.
Configuring the Network Properties” to modify the network settings.
Through USB Port
The product can be used as a Network Adapter on your PC. That means you do not have to
install a network adapter first on your PC before connecting the DC-214/216 ADSL
Homestation. Just connect the supplied USB cable to the USB port of the ADSL Homestation
and connect the other end to the PC.
Make sure that all connected devices are turned on. Please, check that the PWR, LAN LNK
and ADSL SYN LEDs are lit. If they are not, verify that you are using the proper cables.
If the cables are connected and the LEDs are lit normally, please go to section “2.
Installing the USB Driver” below to setup this device.
Connect ADSL/power
Connect your ADSL cable to the LINE port on the homestation.
Connect the power adapter to the homestation. Only use the adapter that is delivered with
your homestation. Connect the power cord to power inlet and turn the power switch on.
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2. Installation
2.1 Installing the USB Driver
If you connect the ADSL Homestation to the USB port, for the first time the USB cable is
connected to the PC, Windows will automatically detect the device. Follow the steps to
install the USB driver.
Windows XP
1. Select “Install from a list or specific location” and click “Next >”.
7
2. Insert the installation CD into the CD-ROM drive. Check “Include this location in the
search” and click “browse”. Browse to the ‘driver’ folder on the CD-Rom. Click “Next >”.
3. Click “Continue Anyway” to pass the windows logo test.
4. Click “Continue Anyway” to pass the windows logo test.
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5. Click “Finish”.
6. After a few moments, Windows will detect a new device, USB ADSL Adapter. Select
“Install from a list or specific location”. Click “Next >”.
7. Check “Include this location in the search” and click browse”. Browse to the ‘driver’
folder on the CD-Rom. Click “Next >”.
9
8. Click “Continue Anyway” to pass the windows logo test.
9. Click “Finish” to end installation.
10. After installing the driver, follow the section “3. Configuring the Network
Properties” below to modify the network settings on your PC.
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Windows 2000
1. Click “Next >”.
2. Insert the installation CD into the CD-ROM drive. Select “Search for a suitable driver
for my device”. Click “Next>”.
3. Check “Specify a location. Click “Next >”.
11
4. Click “browse”. Browse to the ‘driver’ folder on the CD-Rom. Click “Next >”.
5. Click “Next >” .
6. Click “Yes” to pass the digital signature.
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7. Press “Finish”.
8. Click “Yes” to pass the digital signature.
9. After installing the driver, follow the section “3. Configuring the Network
Properties” below to modify the network settings on your PC.
13
Windows Me
1. Select “Specify the location of the driver”. Click “Next >”.
2. Insert the installation CD into the CD-ROM drive. Select “Specify a location”. and click
“browse”. Browse to the ‘driver’ folder on the CD-Rom. Click “Next >”.
3. Click “Next >“.
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4. Windows will start copying files to your system. Click “Finish”.
5. Select “Specify the location of the driver”. Click “Next >”.
6. Insert the installation CD into the CD-ROM drive. Select “Specify a location”. and click
“browse”. Browse to the ‘driver’ folder on the CD-Rom. Click “Next >”.
15
7. Click “Next >“.
8. Windows will start copying files to your system. Click “Finish”.
9. Click “Yes” to restart your PC.
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10. After installing the driver, follow the section “3. Configuring the Network
Properties” below to modify the network settings on your PC.
Windows 98
1. Click “Next >”.
2. Select “Search for the best driver for your device [Recommended]”. Click “Next >”.
3. Insert the installation CD into the CD-ROM drive. Select “Specify a location”. and click
“browse”. Browse to the ‘driver’ folder on the CD-Rom. Click “Next >”.
17
4. Click “Next >“.
5. Windows will start copying files to your system. Then, click “Finish”.
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6. Click “Next >“.
7. Select “Search for the best driver for your device [Recommended]”. Click “Next >”.
8. Insert the installation CD into the CD-ROM drive. Select “Specify a location”. and click
“browse”. Browse to the ‘driver’ folder on the CD-Rom. Click “Next >”.
19
9. Click “Next >“.
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10. You will see the following screen prompting for the path of the Windows source files.
Please specify a location of the original windows CD-Rom. Click “OK”.
11. Windows will start copying files to your system. Then, click “Finish”.
11. Click “Yes” to restart your PC.
12. After installing the driver, follow the section “3. Configuring the Network
Properties” below to modify the network settings on your PC.
21
3. Configuring the Network Properties
Windows 98/ME
Right click the icon My Network Places on your desktop and then choose Properties. A window
opens, like the one below:
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Windows 2000/XP
Right click the icon My Network Places on your desktop and then choose Properties. A window
opens, like the one below:
Right click the Local Area Connection of the correct network card, and then choose Properties.
Windows 98/ME/2000/XP
Select the line “ Internet Protocol” (2000/XP) or "TCP/IP -> network card" (98/ME), as
illustrated below.
Click on the button Properties to get a similar screen as the one that is illustrated below.
Ensure "Obtain an IP address automatically" has been selected, as is illustrated above. The
23
DHCP server in the broadband router will assign an IP address to the PC.
Restart your PC, even if you have not made any changes.
NOTE: 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"), follow the steps below:
Click on the button "Add"
Double-click on "Protocol"
Select "Microsoft" and then "TCP/IP"
Click on "OK"
Wait a few seconds, so that TCP/IP can be added. Then, click "OK" to leave the network
properties screen. Restart your PC.
4. Configuration Utility
The configuration utility is a very easy to use windows application to configure your router.
It should only be installed on just 1 PC connected to the your DC-213/214.
Browse to the Utility folder on the CD-Rom and click the set-up. The set-up wizard will start,
click ‘Next’.
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You can change the default installation folder, or Click ‘Next’
The set-up gathered enough information. Click ‘Next’.
25
Click ‘Finish’ to restart the PC
After the reboot, please start the utility via start/programs/ADSL homestation Utility
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In the Utility select your country. When your country is not listed select manual
configuration’. In that case you need additional information from your provider about
protocols, encapsulation, and VPI/VCI settings.
Choose your ISP. Besides a username or password, no additional settings like Encapsulation
and VPI/VCI settings are required. The utility will set-up your DC-213 or DC-214/216
automatically for the chosen ISP.
If you want the homestation to maintain the connection at all time, enable ‘Automatic
Reconnect’.
If you want to be able to manually connect and disconnect from Internet, enable ‘Taskbar
Connection Utility’. Click ‘OK’
27
Click ‘OK’ to start the automatic configuration procedure.
The Utility will copy all necessary settings to the DC-213 or DC-214/216. Do not interrupt
this process, which could take up to 2 minutes. The blue status bar in the Utility window
indicates the process.
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Click ‘OK’ to finish the configuration. Click ‘cancel’ to quit the Utility.
The taskbar will show a new icon. When clicking this icon the connection tool will start
The status will show the type of connection and if you are connected or disconnected. The
control depends on the connection status and shows ‘connect’ or shut down’. When
connecting or shutting down, a progress bar is shown. With hide the tool can be minimized
to the taskbar.
29
With right clicking the icon, you can quit or remove the utility. When quit, the utility will
start automatically after a reboot
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5. Advanced Configuration.
5.1 Default settings
1. password
Password : There are two levels of password protection, Administrator Level and User
Level.
User Name Password
Administrator Level
admin password
User Level
user password
2. Device IP LAN site
IP Address : 192.168.1.254
Subnet Mask : 255.255.255.0
3. ISP setting in WAN site
Virtual Circuit 0: 1483 Routed IP LLC
Virtual Circuit 1 ~ 7 : 1483 Bridged IP LLC
4. DHCP server
DHCP server is enabled.
IP address pool from IP Address : 192.168.1.100 to IP Address : 192.168.1.199
5.2 Password
There are two levels of password protection. The first level is for administrator and the
second one is for user.
If you want to configure the device with administrator level, type admin in the username
field and password in the password field. If you want to configure the device with the user
level, type user in the username field and password in the password field. Then, click
“OK” to log in. You can modify these passwords for security and management purpose.
If you ever forget the password to log in, you should contact the dealer where you
bought this product.
31
5.3 Information from ISP
Before you start configuring this device, you have to check with your ISP what kind of
service is provided, including the following:
1. PPPoE VC-Mux
2. PPPoE LLC
3. PPPoE None
4. PPPoA VC-Mux
5. PPPoA LLC
6. 1483 Bridged IP VC-Mux
7. 1483 Bridged IP LLC
8. 1483 Routed IP VC-Mux
9. 1483 Routed IP LLC
10. Classical IP over ATM
11. Native ATM
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Gather the information as illustrated in the following table and keep it for reference.
PPPoE VC-Mux VPI/VCI, Service Name, Username, Password, and Domain
Name System (DNS) IP address (it can be automatically
assigned from ISP or be set fixed).
PPPoE LLC VPI/VCI, Service Name, Username, Password, and Domain
Name System (DNS) IP address (it can be automatically
assigned from ISP or be set fixed).
PPPoE None VPI/VCI, Service Name, Username, Password, and Domain
Name System (DNS) IP address (it can be automatically
assigned from ISP or be set fixed).
PPPoA VC-Mux VPI/VCI, Username, Password, and Domain Name System
(DNS) IP address (it can be automatically assigned from
ISP or be set fixed).
PPPoA LLC VPI/VCI, Username, Password, and Domain Name System
(DNS) IP address (it can be automatically assigned from
ISP or be set fixed).
1483 Bridged IP LLC VPI/VCI
1483 Bridged IP VC-
Mux
VPI/VCI
1483 Routed IP LLC VPI/VCI, IP address, Subnet mask, Gateway address, and
Domain Name System (DNS) IP address (it is fixed IP
address).
1483 Routed IP VC-
Mux
VPI/VCI, IP address, Subnet mask, Gateway address, and
Domain Name System (DNS) IP address (it is fixed IP
address).
Classical IP over ATM VPI/VCI, IP address, Subnet mask, Gateway address, and
Domain Name System (DNS) IP address (it is fixed IP
address).
33
5.4 Configuring with Web Browser
The ADSL Homestation can be configured with your Web browser.
Open the web browser, enter the IP address of the ADSL Router, which default is
192.168.1.254, click enter.
You’ll see the log-in windows. Type your username and password.
The default User Name is admin (or user if you log-on in user level), the default password
is password. Click ‘OK’
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5.5 Status
5.5.1 Homepage
This screen contains information of the software version of your device and some settings,
such as IP Address, Subnet Mask, and MAC Address of the WAN and LAN connections.
Firmware Version: This field displays the firmware version
number.
Customer Software Version: This field displays the customer’s own firmware version
number and it is based on revision.txt.
WAN: These fields display the IP address, Subnet Mask and MAC address for the WAN
(ADSL) interface.
LAN: These fields display the IP address, Subnet Mask and MAC address for the LAN
interface.
Total Number of LAN Interfaces: This field displays the total number of available
interfaces for the LAN interface.
Number of Ethernet Devices Connected to the DHCP Server: These fields display the
DHCP client table with the assigned IP addresses and MAC addresses.
35
5.5.2 Status – ADSL Status
Displays the status of your ADSL connection. It will refresh every two seconds.
Showtime Firmware Version: This field displays the Conexant ADSL data pump
firmware version number.
ADSL Line Status: This field displays the ADSL connection process and status.
ADSL Modulation: This field displays the ADSL modulation status for G.dmt or
T1.413.
ADSL Annex Mode: This field displays the ADSL annex modes for Annex A or
Annex B.
ADSL Startup Attempts: This field displays the ADSL connection attempts after loss of
showtime.
ADSL Max Tx Power: This field displays the transmit output power level of the CPE.
ADSL CO Vendor: This field displays the Central Office DSLAM vendor name, if
available.
Elapsed Time: This field displays the time of the homestation has been in operation.
SNR Margin: Amount of increased noise that can be tolerated while maintaining the
designed BER (bit error rate). The SNR Margin is set by Central Office DSLAM. If the
SNR Margin is increased, bit error rate performance will improve, but the data rate will
decrease. Conversely, if the SNR Margin is decreased, bit error rate performance will
decrease, but the data rate will increase.
Line Attenuation: Attenuation is the decrease in magnitude of the ADSL line signal
between the transmitter (Central Office DSLAM) and the receiver (Client ADSL
Homestation), measured in dB. It is measured by calculating the difference in dB between
the
signal power level received at the Client ADSL homestation and the reference signal power
level transmitted from the Central Office DSLAM.
Errored Seconds: The error during Showtime, whenever, a given sec contains CRC
error, that second will be declared error second.
Loss of Signal: This field displays the count of event of ADSL signal loss.
Loss of Frame: This field displays the count of event of ADSL frame loss.
CRC Errors: This field displays the number of transmit data frames containing CRC
errors.
Data Rate: This field displays the ADSL data rate.
Latency: This field displays the latency modes for fast or interleave.
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5.5.3 Status – LAN
Displays the status of your Local Area Network (LAN) connection.
LAN: These fields display the IP address, Subnet Mask and MAC address for the LAN
interface.
Total Number of LAN Interfaces: This field displays the total number of available
interfaces for the LAN interface.
Number of Ethernet Devices Connected to the DHCP Server: These fields display the
DHCP client table with the assigned IP addresses and MAC addresses.
Ethernet Link Status: This field displays the link up or down for the Ethernet.
USB Link Status: This field displays the link up or down for the USB.
37
5.6 Configuration
5.6.1 WAN Configuration
This screen contains settings for the WAN interface. (In most cases you won’t have to
configure manually. The configuration Utility from Chapter 4 takes care of all these settings)
System Wide Settings
Default Gateway: Enter the gateway address provided by your ISP.
Per VC Settings
There are eight Virtual Circuits (VC) to set, VC 0 to VC 7. Before you make the settings,
please scroll down to the bottom of the page and select the item of Virtual Circuit you
want to configure. Then, press the Submit button.
Enabled? : Select Yes if you want to enable the settings of this VC or select No if you want
to disable the settings of this VC.
VPI: Consult the ISP to get the Virtual Path Identifier (VPI) number. The default value is 0.
VCI: Consult the ISP to get the Virtual Channel Identifier (VCI) number. The default value
is 32.
Static IP Address: Enter the information provided by your ISP.
Subnet Mask: Enter the information provided by your ISP.
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MAC SPOOFING
The MAC Spoofing is developed to solve the scenario when the ISP only recognizes one
MAC address. Copy the ISP-recognized MAC address here.
ATM
Service Category: Select UBR or CBR.
Bandwidth: Enter the bandwidth.
ENCAPSULATION
There are eleven connection protocols: PPPoE VC-Mux, PPPoE LLC, PPPoE None, PPPoA VC-
Mux, PPPoA LLC, 1483 Bridged IP VC-Mux, 1483 Bridged IP LLC, 1483 Routed IP VC-Mux,
1483 Routed IP LLC, Classical IP over ATM, Native ATM
Check with your ISP which protocol is used.
BRIDGE
If you set this device to be bridge mode, select Enable; if not, please select Disable.
IGMP
You can Enable or Disable this function.
PPP
If your encapsulation is set to be PPPoE or PPPoA, the following fields must be entered.
Service Name: This item is for identification purpose. If it is required, your ISP will provide
you the information. Maximum input is 31 alphanumeric characters.
Username: Enter the username provided by your ISP.
Password: Enter the password provided by your ISP.
Disconnect Timeout
seconds: Auto-disconnect the ADSL Router when there is no
activity on the line for a predetermined period of time. You can input any number from 0 to
32767. The default value is 0 seconds.
MRU: Maximum Receive Unit indicates the peer of PPP connection the maximum size
of the PPP information field this device can be received. The default value is 1492 and is
used in the beginning of the PPP negotiation. In the normal negotiation, the peer will
accept this MRU and will not send packet with information field larger than this value.
MTU: Maximum Transmission Unit indicates the network stack of any packet is larger
than this value will be fragmented before the transmission. During the PPP negotiation,
the peer of the PPP connection will indicates its MRU and will be accepted. The actual
MTU of the PPP connection will be set to the smaller one of MTU and the peer’s MRU.
The default is value 1492.
MSS: Maximum Segment Size is the largest size of data that TCP will send in a single IP
packet. When a connection is established between a LAN client and a host in the WAN
side, the LAN client and the WAN host will indicate their MSS during the TCP
connection handshake. The default value is 1432.
Authentication: When AUTO option is chosen, the PAP mode will run first then CHAP.
39
Automatic Reconnect: Check to enable this device to automatically re-establish the
connection when disconnected by ISP.
DHCP
DHCP client enable: Check to enable the DHCP client function if you want the device to
get an IP address automatically from your ISP.
Host Name: Enter the name of your work group.
All settings need to be saved and the device needs to be rebooted
before the changes to take effect.
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5.6.2 LAN Configuration
This screen contains settings for LAN interface.
IP Address: Default at 192.168.1.254.
This is the device IP address in LAN site. If you plan to change it to another IP address to a
different range of IP subnet. Please make sure your PC is also located at the same IP subnet.
Otherwise, you may not be able to access the ADSL Router.
Subnet Mask: Default at 255.255.255.0.
DHCP Server
Check to enable the ADSL Router to distribute IP Addresses, subnet mask and DNS setting
to computers. If you do not check to disable the ADSL Router to distribute IP addresses to
the local network, remember to specify a static IP address, subnet mask, and DNS setting
for each of your local computers. Be careful not to assign the same IP address to different
computers.
If there is already a DHCP server on your LAN, you should disable the router’s
DHCP server function in order to avoid possible conflicts.
DHCP address pool selection: Select System Allocated if you want the device to
allocate the local IP network address pool automatically. Select User Defined if you would
like to set your own IP addresses for distribution to PCs, and then enter your settings below.
User Defined Start Address: Enter the starting address of this local IP network address
pool. The pool is a piece of continuous IP address segment. The default value is
192.168.1.100.
User Defined End Address: Enter the end address of this local IP network address pool.
The default value is 192.168.1.199.
The local PC will get an IP address in this range, from 192.168.1.100 to 192.168.1.199.
41
Lease Time: Set the lease time you required. Lease time is the periode the Local PC will
obtain the IP address it received from the DHCP server. After this periode the local PC will
request a new IP from the DHCP server. If all fields are 0, the allocated IP addresses will be
effective forever.
DHCP Gateway Selection: The default setting for the DHCP Gateway Selection is
“Automatic”. The user can select the “User Defined” to specify “User Defined Gateway
Address”. The DHCP server will issue the “User Defined Gateway Address” to the LAN DHCP
clients.
User Mode: Under the Single User mode, the DHCP server only allocates one IP address
to local PC. Under the Multiple User mode, the DHCP server allocates the IP addresses
specified bye the DHCP address pool.
Ethernet Mode Setting
Click this hyperlink to set the Ethernet mode of your LAN: Auto Sense, 100 Full, 100
Half, 10 Full, and 10 Half.
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5.6.3 NAT Configuration
The NAT Configuration page allows the user to set the configuration for the Network
Address Translation. NAT feature allows multiple users to access Internet through a single
IP account, sharing the single IP address from ISP.
The default setting is Dynamic NAPT. It provides dynamic Network Address Translation
capability between LAN and multiple WAN connections, and the LAN traffic is routed to
appropriate WAN connections based on the destination IP addresses and Route Table. This
eliminates the need for the static NAT session configuration between multiple LAN clients
and multiple WAN connections. When the Dynamic NAPT is chosen, there is no need to
configure the NAT Session and NAT Session Name Configuration.
The NAT option only maps single WAN IP address to the local PC IP address. It is peer to-
peer mapping. (1x1) For each WAN interface, only one local PC IP address can be
associated with each WAN interface. Click the link Session Name Configuration to add
the session name for WAN interface.
The NAPT option maps the single WAN IP addresses to many local PCs IP addresses.
(1xN). It is the multiple-mapping mechanism. For each WAN Interface, more than one
local PCs can be associated with one WAN Interface. Click the link Session Name
Configuration to add the session name for WAN interface.
43
Session Name: This field allows the user to enter his/her own session Name to
distinguish different NAT session for different interfaces among different PPP sessions
and different PVCs.
Interface: This field allows the user to choose specific WAN Interface (PVC or PPP
Session) for NAT Session.
NAT Session Name Status: This table displays at the bottom of this page to show all
the NAT Session Names with its WAN Interface.
Number of NAT Configurations: This filed displays the total number of NAT Sessions
Name is entered.
Click the link Go back to NAT Configuration to the NAT configuration page. Select
the NAT option. Select the Session Name and assign the PC IP address, and choose the
Add action. Click the Submit button and go to the Save Settings to save this
configuration.
NAT allows only one entry (User IP) per session.
NAPT allows many entries (User IPs) per session.
Session Name: This field allows the user to select the session from the configured NAT
Session Name Configuration.
User’s IP: This filed allows the user to assign the IP address to map the corresponding
NAT/NAPT sessions.
Session Name Status will be displayed at the middle of this page to show the
corresponding Session Name with its IP address.
Number of NAT Configurations: This filed displays the total number of NAT Sessions
is entered.
Available Sessions Status will be displayed at the end of this page to show all the
Session Names with its WAN Interface.
Number of Session: This filed displays the total number of NAT Sessions Name is
entered.
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5.6.4 Virtual Server Configuration
Being a natural Internet firewall, the ADSL Router protects your network from being
accessed by outside users. When it needs to allow outside users to access internal servers,
e.g. Web server, FTP server, E-mail server or News server, this product can act as a virtual
server. You can set up a local server with specific port numbers that stands for the service,
e.g. Web (80), FTP (21), Telnet (23), SMTP (25), POP3 (110), DNS (53), ECHO (7), NNTP
(119). When an incoming access request to the router for specified port is received, it will
be forwarded to the corresponding internal server.
For example, if you set the Public Port number 21 (FTP) to be mapped to the IP Address
192.168.1.100, then all the ftp requests from outside users will be forwarded to the local
server with IP address of 192.168.1.100.
5

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