Comtrend CT-5611 User Manual

ADSL2+ Combo Router

User Manual

Version A2.0, August 12, 2008

261070-012

Preface

This manual provides information related to the installation, operation, and
application of this device. The individual reading this manual is presumed to have
a basic understanding of telecommunications terminology and concepts.

If you find the product to be inoperable or malfunctioning, please contact
technical support for immediate service by email at [e-mail]

For product update, new product release, manual revision, or software upgrades,
please visit our website at http://www.comtrend.com

Important Safety Instructions

With reference to unpacking, installation, use and maintenance of your electronic
device, the following basic guidelines are recommended:

z Do not use or install this product near water, to avoid fire or shock hazard.

For example, near a bathtub, kitchen sink or laundry tub, or near a swimming
pool. Also, do not expose the equipment to rain or damp areas (e.g. a wet
basement).

z Do not connect the power supply cord on elevated surfaces. Allow it to lie

freely. There should be no obstructions in its path and no heavy items should
be placed on the cord. In addition, do not walk on, step on or mistreat the
cord.

z Use only the power cord and adapter that are shipped with this device.
z To safeguard the equipment against overheating, make sure that all openings

in the unit that offer exposure to air are not blocked.

z Avoid using a telephone (other than a cordless type) during an electrical

storm. There may be a remote risk of electric shock from lightening. Also, do
not use the telephone to report a gas leak in the vicinity of the leak.

z Never install telephone wiring during stormy weather conditions.

CAUTION:

z To reduce the risk of fire, use only No. 26 AWG or larger telecommunication

line cord.

z Always disconnect all telephone lines from the wall outlet before servicing or

disassembling this equipment.

WARNING

 Disconnect the power line from the device before servicing.
 Power supply specifications are clearly stated in Appendix C.

Copyright

Copyright©2008 Comtrend Corporation. All rights reserved. The information
contained herein is proprietary to Comtrend Corporation. No part of this
document may be translated, transcribed, reproduced, in any form, or by any
means without prior written consent of Comtrend Corporation.

NOTE: This document is subject to change without notice.

1

Protect Our Environment

This symbol indicates that when the equipment has reached the end of
its useful life, it must be taken to a recycling centre and processed

separate from domestic waste.

The cardboard box, the plastic contained in the packaging, and the parts that
make up this router can be recycled in accordance with regionally established
regulations. Never dispose of this electronic equipment along with your
household waste. You may be subject to penalties or sanctions under the law.
Instead, ask for disposal instructions from your municipal government.

2

Table of Contents

CHAPTER 1 INTRODUCTION............................................................................5

1.1 FEATURES .............................................................................................................5

1.2 APPLICATION ........................................................................................................6

1.3 FRONT PANEL LED INDICATORS...........................................................................7

CHAPTER 2 INSTALLATION.............................................................................8

2.1 HARDWARE INSTALLATION...................................................................................8

2.2 USB DEVICE DRIVER AUTO-RUN INSTALLATION .................................................9

USB DRIVER MANUAL INSTALLATION(64BIT OS)..............................................12

2.3

CHAPTER 3 LOGIN VIA THE WEB BROWSER...........................................17

3.1

IP ADDRESS ........................................................................................................17

3.2 LOGIN PROCEDURE .............................................................................................17

3.3 DEFAULT SETTINGS.............................................................................................19

CHAPTER 4 QUICK SETUP..............................................................................20

4.1 WAN..................................................................................................................21

4.2 STATISTICS..........................................................................................................22

4.2.1 LAN Statistics.......................................................................................22

4.2.2 WAN Statistics......................................................................................23

4.2.3 ATM statistics.......................................................................................24

4.2.4 ADSL Statistics.....................................................................................26

4.3 ROUTE.................................................................................................................28

4.4 ARP....................................................................................................................28

4.5 DHCP.................................................................................................................29

4.6 BRIDGING............................................................................................................30

4.7 IGMP PROXY......................................................................................................30

CHAPTER 5 QUICK SETUP..............................................................................31

5.1 AUTO QUICK SETUP............................................................................................32

5.2 MANUAL QUICK SETUP .......................................................................................33

5.2.1 PPP Over ATM (PPPOA) and PPP Over Ethernet (PPPOE) ............35

5.2.2 MAC Encapsulation Routing (MER) ...................................................39

5.2.3 IP Over ATM........................................................................................43

5.2.4 Bridging ...............................................................................................46

CHAPTER 6 ADVANCED SETUP.....................................................................48

6.1 WAN..................................................................................................................48

6.2 LAN....................................................................................................................49

6.3 NAT....................................................................................................................50

6.3.1 Virtual Servers.....................................................................................50

6.3.2 Port Triggering....................................................................................51

6.3.3 DMZ Host.............................................................................................53

6.4 SECURITY............................................................................................................54

6.4.1 IP Filtering...........................................................................................54

6.4.2 Parental Control..................................................................................56

6.5 ROUTING.............................................................................................................57

3

6.5.1 Default Gateway ..................................................................................57

6.5.2 Static Route..........................................................................................58

6.5.3 RIP .......................................................................................................58

6.6 DNS....................................................................................................................59

6.6.1 DNS Server...........................................................................................59

6.6.2 Dynamic DNS.......................................................................................60

6.7 DSL....................................................................................................................61

CHAPTER 7 DIAGNOSTICS..............................................................................62

CHAPTER 8 MANAGEMENT ...........................................................................63

8.1 SETTINGS ............................................................................................................63

8.1.1 Configuration Backup..........................................................................64

8.1.2 Update Settings....................................................................................64

8.1.3 Restore Default ....................................................................................65

8.2 SYSTEM LOG.......................................................................................................66

8.3 INTERNET TIME ...................................................................................................68

8.4 ACCESS CONTROL...............................................................................................68

8.4.1 Services ................................................................................................69

8.4.2 Access IP Addresses.............................................................................69

8.4.3 Passwords............................................................................................70

8.5 UPDATE SOFTWARE.............................................................................................71

8.6 SAVE AND REBOOT .............................................................................................71

APPENDIX A: FIREWALL.....................................................................................72

APPENDIX B: PIN ASSIGNMENTS......................................................................77

APPENDIX C: SPECIFICATIONS.........................................................................78

4

Chapter 1 Introduction

The Router ADSL2+ compact and high performance combo router provides one
10/100 Ethernet Interface and one USB interface, offering ADSL connectivity at
speeds of up to 24 Mbps. It also has full routing capabilities to segment/route IP
protocol, and supports advanced security functions.

1.1 Features

• IP filtering

• SPI (Stateful Packet Inspection)

• DoS protection

• Static route

• Dynamic IP assignment

• NAT/PAT

• IGMP Proxy

• DHCP Server/Relay/Client

• DNS Proxy

• Auto PVC configuration

• Up to 4 VCs

• Web-based management Remote configuration and upgrade

• Configuration backup and restoration

• FTP/TFTP server

5

1.2 Application

The following diagram depicts the application of the Router.

6

1.3 Front Panel LED Indicators

The front panel LEDs are shown in the picture below, followed by an explanation
in the table below.

LED Color Mode Function

POWER

ADSL LINK

USB

ADSL TX/RX

LAN

Green

Green

Green

Green

Green

Green

Green

Green

Green

On The router is powered up.

Off The router is powered down.

On

Off

Blink

On A USB link is established.

Off A USB link is not established.

Blink Data transmitting or receiving over USB.

On

Off The ADSL TX/RX link is not established.

Blink

On An Ethernet Link is established.

Off

Blink Data transmitting or receiving over LAN.

The ADSL link is established.

The ADSL link is not established.

The ADSL link is training or some traffic
is passing through ADSL.

The ADSL TX/RX link is established.

The ADSL TX/RX link is training or some
traffic is passing through ADSL TX/RX.

An Ethernet Link is not
established.

7

Chapter 2 Installation

2.1 Hardware Installation

Follow the instructions below to complete the hardware connections.

Connection to LINE port

If you wish to connect both the router and a telephone, connect the LINE port to a
POTS splitter with a RJ11 connection cable.

Connection to LAN port

To connect to a hub or PC, use a RJ45 cable. The port is auto-sensing MDI/X and
either straight-through cable or crossover cable can be used.

Connection to USB port

Connect the USB port to a PC with a standard USB cable.

Connection to Power

Connect the Power jack to the shipped power cord. Attach the power adapter to
the wall outlet or other AC source.
After all connections have been made, turn the power-switch to the on position.
After powering on, the router performs a self-test. Wait for a few seconds until
the test is finished, then the router will be ready to operate.

Reset Button

Restore the default parameters of the router by holding down the device’s Reset
button until the LED’s start blinking simultaneously (about 5 seconds). After the
device has rebooted successfully, and if the connection is established, the LAN LED,
ADSL LED or USB LED will display in green, depending on the connection type.

Caution 1: If the router fails to power up, or it malfunctions, first verify that the

power supply is connected correctly. Then power it on again. If the
problem persists, contact our technical support engineers.

Caution 2: Before servicing or disassembling this equipment always disconnect

all power cords and telephone lines from the wall outlet.

Power Switch

Reset Button

8

2.2 USB Device Driver Auto-run Installation

Before you connect your router’s USB cable to your PC, you must load the ADSL
USB drivers. The auto-run USB driver installation supports Win ME, Win 98, Win
2000, Win XP (32 bit) and Vista (32 bit). For those using Windows XP 64 bit, the
driver needs to be installed manually (please see section 2.3 below for details), and

the driver is also enclosed on the CD-ROM.
To connect the router to a PC using the USB interface, you need to use a standard

USB cable and install the USB interface software. Follow the steps below:

STEP 1: Insert the Installation disk and select the Install USB Driver option.

STEP 2: The following screen will be displayed. Click the Next button to continue.

9

STEP 3: When the screen displays as below, wait until the drivers are fully installed.

STEP 4: Click the Finish button, when the screen displays as below.

10

STEP 5: Installation is complete.

11

2.3 USB Driver Manual Installation(64bit OS)

Before you connect your router’s USB cable to your PC, you must load the ADSL
USB drivers. This manual USB driver installation supports Windows XP 64 bit.

To connect the router to a PC using the USB interface, you need to use a standard
USB cable and install the USB interface software. Follow the steps below:

STEP 1: Connect the USB router to the PC by plugging the flat connector of a

standard USB cable into your PC, and plugging the square connector into
the router. The screen will display as below:

STEP 2: When the screen displays as below, select install from a list of specific
location (Advanced) and click the Next button.

12

Note: This screen won’t be displayed if the USB Driver has been previously
un/installed.

STEP 3: If you are installing the software from a disk, insert the disk.

Note: When the auto-run screen pops up click Exit and continue with the manual

installation process (see below).

13

STEP 4: Select the location of the file using the Browse button. Normally, the file is

on the CD-ROM shipped with the device.

STEP 5: Locate the Vista folder, and click the OK button.

STEP 6: When the screen displays as below, click the NEXT button.

14

15

STEP 7: Click the Finish button, when the screen displays as below.

STEP 8: Installation is complete.

16

Chapter 3 Login via the Web Browser

This section describes how to manage the router via a Web browser via the
remote end. You can use a web browser such as Microsoft Internet Explorer, or
Netscape Navigator. (The Web page is best viewed with Microsoft Internet
Explorer 5.0 and later): A unique default user account is assigned with user name
root and password 12345. The user can change the default password later
when logged in to the device.

3.1 IP Address

The default IP address of the Router (LAN port) is 192.168.1.1. To configure the
Router for the first time, the configuration PC must have a static IP address within the

192.168.1.x subnet. Follow the steps below to configure your PC IP address to use
subnet 192.168.1.x.

STEP 1: Right click on the Local Area Connection under the Network and Dial-Up
connection window and select Properties.

STEP 2: Enter the TCP/IP screen and change the IP address to the domain of

192.168.1.x/24.

Note that the router’s default IP address is 192.168.1.1 and the default private
address range provided by the ISP server in the router is 192.168.1.2 through

192.168.1.254.

STEP 3: Click OK to submit the settings.

STEP 4: Start your Internet browser with the default IP address 192.168.1.1.

3.2 Login Procedure

Perform the following steps to bring up the Web user interface and configure the
Router. To log on to the system from the Web browser, follow the steps below:

17

STEP 1: Start your Internet browser. Type the IP address for the router in the

Web address field. For example, if the IP address is 192.168.1.1, type

http://192.168.1.1

STEP 2: You will be prompted to enter your user name and password. Type root

in the user name field and 12345 in the password field, and click OK.
These values can be changed later in the Web User Interface by selecting
the Management link.

STEP 3: After successfully logging in, you will reach the Quick Setup menu.

Note: The selections available on the left side of menu are based upon the configured

connection.

18

3.3 Default Settings

During power on initialization, the Router initializes all configuration attributes to
default values. It will then read the configuration profile from the Permanent
Storage section on the flash memory. The default attributes are overridden when
identical attributes with different values are configured. The configuration profile
in Permanent Storage can be created via the Web user interface, the console, or
telnet user interface, or other management protocols. The factory default
configuration can be restored either by pushing the reset button for more than
five seconds, or by clicking the Restore Default Configuration option in the
Restore Settings screen.

The following default settings are present when setting up the router for the first
time. The PC running the browser can be attached to the Ethernet or the USB.

z LAN port IP address: 192.168.1.1
z Local administrator account name: root
z Local administrator account password: 12345
z Local non- administrator account name: user
z Local non- administrator account password: user
z Remote WAN access: disabled
z Remote WAN access account name: root
z Remote WAN access account password: 12345
z NAT and firewall: disabled
z DHCP server on LAN interface: Disable
z WAN IP address: none
z PVC: 8/35 Bridge

19

Chapter 4 Quick Setup

After login, the Quick Setup screen appears as shown.

Note: For the Quick Setup option to be displayed on the menu, the WAN needs to
be removed All PVCs. Then, click Save/Reboot, then Quick Setup option will be
displayed (shown here).

Note: The selections available on the left side of menu are based upon the

configured connection.

20

4.1 WAN

Click Device Info on the menu bar to display the WAN option. Then, click WAN
on the Device Info menu bar to display the configured PVC(s) and the status.

VPI/VCI Shows the values of the ATM VPI/VCI

Con. ID Shows the connection ID

Category Shows the ATM service classes

Service Shows the name for WAN connection

Interface Shows connection interfaces

Protocol Shows the connection type, such as PPPoE, PPPoA, etc.

IGMP Shows the statue of the IGMP function

Firewall

Nat Shows if the Network Address Translation(NAT) is enabled

QoS

State Shows the connection state of the WAN connection

Status Lists the status of DSL link

IP Address Shows IP address for WAN interface

Shows if the Firewall enabled or disabled

or disabled.

Shows if QoS is enabled or disabled

21

4.2 Statistics

Selection of the Statistics screen provides statistics for the Network Interface of
LAN, WAN, ATM and ADSL. All statistics screens are updated every 15 seconds.

4.2.1 LAN Statistics

The Network Statistics screen shows interface statistics for Ethernet and USB
interfaces. (The Network Statistics screen shows interface statistics for LAN of
Ethernet and USB interfaces. This shows byte transfer, packet transfer, Error and
Drop statistics for the LAN interface.)

22

4.2.2 WAN Statistics

The following figure shows the WAN statistics screen.

Service Shows the service type
VPI/VCI

Protocol Shows the connection type, such as PPPoE,

Interface Shows connection interfaces
Received/Transmitted
Bytes -

Pkts -

Errs -

Drops -

Shows the values of the ATM VPI/VCI

PPPoA, etc.

Rx/TX (receive/transmit) packet in Byte

Rx/TX (receive/transmit) packets

Rx/TX (receive/transmit) the packets
which are errors,

Rx/TX (receive/transmit) the packets
which are dropped

23

4.2.3 ATM statistics

The following figure shows the ATM statistics screen.

ATM Interface Statistics

Field Description

In Octets Number of received octets over the interface

Out Octets

In Errors Number of cells dropped due to uncorrectable HEC

In Unknown Number of received cells discarded during cell header

In Hec Errors Number of cells received with an ATM Cell Header HEX

In Invalid Vpi Vci Errors Number of cells received with an unregistered VCC

In Port Not Enabled Errors Number of cells received on a port that has not been

In PTI Errors Number of cells received with an ATM header Payload

In Idle Cells Number of idle cells received
In Circuit Type Errors Number of cells received with an illegal circuit type
In Oam RM CRC Errors Number of OAM and RM cells received with CRC errors
In GFC Errors Number of cells received with a non-zero GFC.

Number of transmitted octets over the interface

errors

validation, including cells with unrecognized VPI/VCI
values, and cells with invalid cell header patterns. If
cells with undefined PTI values are discarded, they are
also counted here.

error

address.

enabled.

Type Indicator (PTI) error

24

ATM AAL5 Layer Statistics over ADSL interface

Field Description

In Octets Number of received AAL5/AAL0 CPCS PDU octets
Out Octets Number of received AAL5/AAL0 CPCS PDUs octets

transmitted

In Ucst Pkts Number of received AAL5/AAL0 CPCS PDUs passed to a

higher-layer for transmission

Out Ucast Pkts Number of received AAL5/AAL0 CPCS PDUs received from a

higher layer for transmissions

In Errors Number of received AAL5/AAL0 CPCS PDUs received that

contain an error. The types of errors counted include CRC­32 errors.

Out Errors Number of received AAL5/AAL0 CPCS PDUs that could be

transmitted due to errors.

In Discards Number of received AAL5/AAL0 CPCS PDUs discarded due to

an input buffer overflow condition.

Out Discards This field is not currently used

ATM AAL5 LAYER STATISTI CS FOR EACH VCC OVER ADSL INTERFACE

Field Descriptions

CRC Errors Number of PDUs received with CRC-32 errors
SAR TimeOuts Number of partially re-assembled PDUs, which were

discarded because they were not fully re-assembled within
the required period of time. If the re-assembly time is not
supported then, this object contains a zero value.

Over Sized SDUs Number of PDUs discarded because the corresponding SDU

was too large

Short Packets Errors Number of PDUs discarded because the PDU length was less

than the size of the AAL5 trailer

Length Errors Number of PDUs discarded because the PDU length did not

match the length in the AAL5 trailer

25

4.2.4 ADSL Statistics

The following figure shows the ADSL Network Statistics screen. Within the ADSL
Statistics window, a bit Error Rate Test can be started using the ADSL BER Test
button. The Reset button resets the statistics.

26

Field Description

Mode Modulation protocol G.dmt, G.lite, T1.413, ADSL2,

ADSL2+
Type Channel type Interleave or Fast
Line Coding

Status Lists the status of the DSL link
Link Power State Link output power state.
SNR Margin (dB) Signal to Noise Ratio (SNR) margin
Attenuation (dB) Estimate of average loop attenuation in the

Output Power (dBm) Total upstream output power
Attainable Rate (Kbps)

Rate (Kbps) Current sync rate.
Super Frames Total number of super frames
Super Frame Errors Number of super frames received with errors
RS Words Total number of Reed-Solomon code errors
RS Correctable Errors Total Number of RS with correctable errors
RS Uncorrectable Errors Total Number of RS words with uncorrectable errors
HEC Errors Total Number of Header Error Checksum errors
OCD Errors Total Number of out-of-cell Delineation errors
LCD Errors Total number of Loss of Cell Delineation
Total ES: Total Number of Errored Seconds
Total SES: Total Number of Severely Errored Seconds
Total UAS: Total Number of Unavailable Seconds

Trellis On/Off

downstream direction.

The sync rate you would obtain.

27

4.3 Route

Choose Route to display the routes that the route information has learned.

4.4 ARP

Click ARP to display the ARP information.

28

4.5 DHCP

Click DHCP to display the DHCP information.

29

4.6 Bridging

Click Bridging to display the Bridging information.

4.7 IGMP Proxy

Click IGMP Proxy to display the list of IGMP Proxy entries.

30

Chapter 5 Quick Setup

The Quick Setup allows the user to configure the ADSL router for DSL connectivity
and Internet access. It also guides the user though the WAN network setup first
and then the LAN interface setup. You can either manually customize the router
or follow the online instruction to set up the router.

The Router ADSL router supports the following five network operating modes over
an ATM PVC WAN interface.

• PPP over Ethernet (PPPoE)

• PPP over ATM (PPPoA)

• MAC Encapsulated Routing (MER)

• IP over ATM (IPoA)

• Bridging

The following configuration considerations apply:
The WAN network operating mode operation depends on the service provider’s
configuration on the Central Office side and Broadband Access Server for the PVC
If the service provider provides PPPoE service, then the connection selection
depends on whether the LAN-side device (typically a PC) is running a PPPoE client
or whether the Router is to run the PPPoE client. The Router can support both
cases simultaneously.

If some or none of the LAN-side devices do not run PPPoE client, then select
PPPoE. If every LAN-side device is running a PPPoE client, then select Bridge In
PPPoE mode, Router also supports pass-through PPPoE sessions from the LAN
side while simultaneously running a PPPoE client fro non-PPPoE LAN devices.

NAPT and firewall are always enabled when PPPoE mode is selected, but they can
be enabled or disabled by the user when MER or IPoA is selected, NAPT and
firewall are always disabled when Bridge mode is selected.

Depending on the network operating mode, and whether NAPT and firewall are
enabled or disabled, the main panel will display or hide the NAPT/Firewall menu.
For instance, at initial setup, the default network operating mode is Bridge. The
main panel will not show the NAPT and Firewall menu.

Note: Up to eight PVC profiles can be configured and saved on the flash memory.
To activate a particular PVC profile, you need to navigate all the Quick Setup
pages until the last summary page, then click on the Finish button and reboot the
system.

31

5.1 Auto Quick Setup

The auto quick setup requires the ADSL link to be up. The ADSL router will
automatically detect the PVC. You only need to follow the online instructions that
you are prompted.

Note: For the Quick Setup option to be displayed on the menu, the WAN needs to
be removed. Then, click Save/Reboot (shown here).

1. Select Quick Setup to display the DSL Quick Setup screen.

2. Click Next to start the setup process. Follow the online instructions to complete
the setting. This procedure will skip some processes like PVC index, or
encapsulation.

3. After the settings are complete, you can use the ADSL service.

32

5.2 Manual Quick Setup

STEP 1: Click Quick Setup and un-tick the DSL Auto-connect checkbox to enable
manual configuration of the connection type.

Un-tick this checkbox to enable manual
setup and display the following screen.

STEP 2: Enter the Virtual Path Identifier (VPI) and Virtual Channel Identifier (VCI).
Select Enable Quality Of Service if required. Click Next.

STEP 3: Then, choose the Encapsulation mode.

33

Encapsulation Mode

Choosing different connection types provides different encapsulation modes.

z PPPoA- VC/MUX, LLC/ENCAPSULATION
z PPPoE- LLC/SNAP BRIDGING, VC/MUX
z MER- LLC/SNAP-BRIDGING, VC/MUX
z IPoA- LLC/SNAP-ROUTING, VC MUX
z Bridging- LLC/SNAP-BRIDGING, VC/MUX

STEP 4: Click Next to display the following screen. Choosing different connection
types pops up different settings requests. Enter appropriate settings that are
requested by your service provider. The following descriptions state each
connection type setup separately.

34

5.2.1 PPP Over ATM (PPPOA) and PPP Over Ethernet (PPPOE)

1. Select the PPP over ATM (PPPoA) or PPP over Ethernet (PPPoE)

radio button and click Next. The following screen appears:

PPP USERNAME/PPP PASSWORD

The PPP Username and the PPP password requirement are dependent on the
particular requirements of the ISP or the ADSL service provider. The WEB user
interface allows a maximum of 256 characters in the PPP user name and a
maximum of 32 characters in PPP password.

Authentication Method

Choose from AUTO, PAP, CHAP and MSCHAP.

Disconnect if no activity

The CT-5611 can be configured to disconnect if there is no activity for a period of
time by selecting the
you need to enter the inactivity timeout period. The timeout period ranges from
1 minute to 4320 minutes.

Dial on demand check box. When the checkbox is ticked,

PPP IP Extension

The PPP IP Extension is a special feature deployed by some service providers.
Unless your service provider specially requires this setup, do not select it.
The PPP IP Extension supports the following conditions:

35

z Allows only one PC on the LAN
z The public IP address assigned by the remote side using the PPP/IPCP

protocol is actually not used on the WAN PPP interface. Instead, it is
forwarded to the PC’s LAN interface through DHCP. Only one PC on the LAN
can be connected to the remote, since the DHCP server within the ADSL
router has a single IP address to assign to a LAN device.

z NAPT and firewall are disabled when this option is selected.
z The ADSL router becomes the default gateway and DNS server to the PC

through DHCP using the LAN interface IP address.

z The ADSL router extends the IP subnet at the remote service provider to the

LAN PC. That is, the PC becomes a host belonging to the same IP subnet.

z The ADSL router bridges the IP packets between WAN and LAN ports, unless

the packet is addressed to the router’s LAN IP address.

Enable NAT checkbox

If the LAN is configured with a private IP address, the user should select this
checkbox. The NAT submenu on the left side main panel will be displayed after
reboot. The user can then configure NAT-related features after the system comes
up. If a private IP address is not used on the LAN side (i.e. the LAN side is using
a public IP), this checkbox should be de-selected. When the system comes back
after reboot, the NAT submenu will not be displayed on the left main panel.

Enable Firewall

The Internet has made large amounts of information available to the average
computer user at home, in business and in education. For many people, having
access to this information is no longer just an advantage, it is essential. Yet
connecting a private network to the Internet can expose critical or confidential
data to malicious attack from anywhere in the world. Users who connect their
computers to the Internet must be aware of these dangers, their implications and
how to protect their data and their critical systems. Firewalls can protect both
individual computers and corporate networks from hostile intrusion from the
Internet, but must be understood to be used correctly.

2. Click Next to display the screen on the following page.

Enable IGMP Multicast checkbox: Tick the checkbox to enable IGMP multicast
(proxy). IGMP (Internet Group Membership Protocol) is a protocol used by IP
hosts to report their multicast group memberships to any immediately
neighboring multicast routers.

Enable WAN Service checkbox: Tick this item to enable the ATM service.
Untick it to stop the ATM service.

Service Name: This is user-defined.

36

3. After entering your settings, select Next. The following screen appears. This
page allows the user to configure the LAN interface IP address, subnet mask and
DHCP server. If the user would like this ADSL router to assign dynamic IP
address, DNS server and default gateways to other LAN devices, select the button
Enable DHCP server on the LAN to enter the starting IP address and end IP
address and DHCP leased time.

Note: If the NAT function is enabled, this DHCP Server Relay won’t be displayed
as an option.

The Device Setup page allows the user to configure the LAN interface IP address
and DHCP server. If the user would like this ADSL router to assign dynamic IP
addresses, DNS server and default gateway to other LAN devices, select the radio
box Enable DHCP server on the LAN to enter the starting IP address and end
IP address and DHCP lease time. This configures the router to automatically
assign IP addresses, default gateway address and DNS server addresses to each
of your PCs.

37

4. Click Next to display the WAN Setup-Summary screen that presents the entire
configuration summary. Click Save/Reboot if the settings are correct. Click
Back if you wish to modify the settings.

5. After clicking Save/Reboot, the router will save the configuration to the flash
memory, and reboot. The Web UI will not respond until the system is brought up
again. After the system is up, the Web UI will refresh to the Device Info page
automatically. The Router is ready for operation and the LEDs display as
described in the LED description tables.

38

5.2.2 MAC Encapsulation Routing (MER)

To configure MER, do the following.

1. Select Quick Setup and click Next.

2. Enter the PVC Index provided by the ISP and click Next and click Next

3. Select the MAC Encapsulation Routing (MER) radio button, and click Next.

The following screen appears.

Enter information provided to you by your ISP to configure the WAN IP settings.

Notice: DHCP Client can be enabled for PVC in MER mode if Obtain an IP
address automatically is chosen. Changing the default gateway or the DNS
effects the whole system. Configuring them with static values will disable the
automatic assignment from DHCP or other WAN connection.

If you configure static default gateway over this PVC in MER mode, you must
enter the IP address of the remote gateway in the "Use IP address". The "Use
WAN interface" is optional.

The ISP should provide the values that must be entered in the entry fields.

39

4. Click Next to display the following screen appears.

Enable NAT checkbox: If the LAN is configured with a private IP address, the

user should select this checkbox. The NAT submenu on the left side main panel
will be displayed after reboot. The user can then configure NAT-related features
after the system comes up. If a private IP address is not used on the LAN side
(i.e the LAN side is using a public IP), this checkbox should be de-selected. When
the system comes back after reboot, the NAT submenu will not be displayed on
the left main panel.

Enable Firewall checkbox: If the firewall checkbox is selected, the security
submenu on the left side main panel will be displayed after system reboot. The
user can then configure firewall features after the system comes up. If firewall is
not used, this checkbox should be de-selected to free up system resources for
better performance. When system comes back after reboot, the Security
submenu will not be displayed on the left main panel.

Enable IGMP Multicast: Tick the checkbox to enable IGMP multicast (proxy).
IGMP (Internet Group Membership Protocol) is a protocol used by IP hosts to
report their multicast group memberships to any immediately neighboring
multicast routers.

Enable WAN Service: Tick the checkbox to enable the WAN (ADSL) service. If
this item is not selected, you will not be able to use the ADSL service.

Service Name: This is User-defined.

5. Upon completion, click Next. The following screen appears.

40

The Device Setup page allows the user to configure the LAN interface IP address
and DHCP server. If the user would like this ADSL router to assign dynamic IP
addresses, DNS server and default gateway to other LAN devices, select the radio
box Enable DHCP server on the LAN to enter the starting IP address and end
IP address and DHCP lease time. This configures the router to automatically
assign IP addresses, default gateway address and DNS server addresses to each
of your PCs.

Note that the router’s default IP address is 192.168.1.1 and the default private
address range provided by the ISP server in the router is 192.168.1.2 through

192.168.1.254.

Note: Ethernet and USB interfaces (and the wireless LAN interface on the Router)

share the same subnet since they are bridged within the router.

If the NAT function is enabled, this DHCP Server Relay won’t be displayed

as an option.

6. After entering your settings, select Next to display the following screen. The

WAN Setup-Summary screen presents the entire configuration summary.
Click Save/Reboot if the settings are correct. Click Back if you wish to
modify the settings.

The following screen will be displayed.

41

After clicking Save/Reboot, the router will save the configuration to the flash
memory, and reboot. The Web UI will not respond until the system is brought up
again. After the system is up, the Web UI will refresh to the Device Info page
automatically. The Router is ready for operation and the LEDs display as
described in the LED description tables.

42

5.2.3 IP Over ATM

To configure IP Over ATM,

1. Select Quick Setup and click Next.

2. Enter the PVC Index and click Next.

3. Type the VPI and VCI values provided by the ISP and click Next.

4. Select the IP over ATM (IPoA) radio button and click Next. The following

screen appears.

Notice that DHCP is not supported over IPoA. The user must enter the IP address
or WAN interface for the default gateway setup, and the DNS server addresses
provided by the ISP.

5. Click Next. The following screen appears.

43

Enable NAT checkbox

If the LAN is configured with a private IP address, the user should select this
checkbox. The NAT submenu on the left side main panel will be displayed after
reboot. The user can then configure NAT-related features after the system comes
up. If a private IP address is not used on the LAN side (i.e the LAN side is using a
public IP), this checkbox should be de-selected. When the system comes back
after reboot, the NAT submenu will not be displayed on the left main panel.

Enable Firewall checkbox

If the firewall checkbox is selected, the security submenu on the left
side main panel will be displayed after system reboot. The user can
then configure firewall features after the system comes up. If
firewall is not used, this checkbox should be de-selected to free up
system resources for better performance. When system comes
back after reboot, the Security submenu will not be displayed on the
left main panel.

6. Click Next to display the following screen. The Device Setup page allows the

user to configure the LAN interface IP address and DHCP server if the user
would like this ADSL router to assign dynamic IP addresses, DNS server and
default gateway to other LAN devices. Select the button Enable DHCP server
on the LAN to enter the starting IP address and end IP address and DHCP
lease time.

Note: If the NAT function is enabled, this DHCP Server Relay won’t be displayed
as an option.

44

The user must configure the IP Address and the Subnet Mask. To use the DHCP
service on the LAN, select the Enable DHCP server checkbox, and enter the
Start IP addresses, the End IP address and DHCP lease time. This configures the
router to automatically assign IP addresses, default gateway address and DNS
server addresses to each of your PCs.

Note that the router’s default IP address is 192.168.1.1 and the default private
address range provided by ISP server in the router is 192.168.1.2 through

192.168.1.254.

7. The WAN Setup-Summary screen presents the entire configuration summary.
Click Save/Reboot if the settings are correct. Click Back if you wish to modify
the settings.

The following screen will be displayed.

8. After clicking Save/Reboot, the router will save the configuration to the flash
memory, and reboot. The Web UI will not respond until the system is brought up
again. After the system is up, the Web UI will refresh to the Device Info page
automatically. The Router is ready for operation and the LEDs display as
described in the LED description tables.

45

5.2.4 Bridging

Select the bridging mode. To configure Bridging, do the following.

1. Select Quick Setup and click Next.

2. Enter the PVC Index and click Next.

3. Type in the VPI and VCI values provided by the ISP and click Next.

4. Select the Bridging radio button and click Next. The following screen appears.

To use the bridge service, tick the checkbox, Enable Bridge Service, and enter
the service name.

5. Click the Next button to continue. Enter the IP address for the LAN interface.

The default IP address is 192.168.1.1. The LAN IP interface in bridge
operating mode is needed for local users to manage the ADSL router. Notice
that there is no IP address for the WAN interface in bridge mode, and the
remote technical support cannot access the ADSL router.

6. Click the Next button

The following screen will be displayed.

46

The WAN Setup-Summary screen presents the entire configuration summary.
Click Save/Reboot if the settings are correct. Click Back if you wish to modify
the settings.

47

Chapter 6 Advanced Setup

This chapter explains: WAN, LAN, Routing, DSL and Port Mapping…...

VPI/VCI ATM VPI (0-255) / VCI (32-65535)
Con. ID ID for WAN connection
Category ATM service category, e.g. UBR, CBR…
Service Name of the WAN connection
Interface Name of the interface for WAN
Protocol Shows bridge or router mode
IGMP Shows enable or disable IGMP proxy
Firewall

Nat Shows if the Network Address Translation(NAT)

QoS Shows enable or disable IGMP QoS
State Shows enable or disable WAN connection

Shows if the Firewall enabled or disabled

is enabled or disabled.

6.1 WAN

For further information on WAN please refer to section: 4.1, Page 22.

48

6.2 LAN

Configure the DSL Router IP Address and Subnet Mask for LAN interface. Save
button only saves the LAN configuration data. Save/Reboot button saves the LAN
configuration data and reboots the router to make the new configuration effective.

IP Address: Enter the IP address for the LAN port.
Subnet Mask: Enter the subnet mask for the LAN port.

To configure a secondary IP address for the LAN port, click the box as shown
below.

IP Address: Enter the secondary IP address for the LAN port.
Subnet Mask: Enter the secondary subnet mask for the LAN port.

49

6.3 NAT

To display the NAT function, you need to enable NAT in WAN Setup.

6.3.1 Virtual Servers

Virtual Server allows you to direct incoming traffic from WAN side (identified by
Protocol and External port) to the Internal server with private IP address on the
LAN side. The Internal port is required only if the external port needs to be
converted to a different port number used by the server on the LAN side. A
maximum 32 entries can be configured.

To add a Virtual Server, simply click the Add button. The following will be displayed.

Select a Service
Or
Custom Server
Server IP Address Enter the IP address for the server.

User should select the service from the list.
Or
User can enter the name of their choice.

50

External Port Start Enter the starting external port number (when you select

Custom Server). When a service is selected the port ranges
are automatically configured.

External Port End Enter the ending external port number (when you select

Custom Server). When a service is selected the port ranges

are automatically configured.
Protocol User can select from: TCP, TCP/UDP or UDP.
Internal Port Start Enter the internal port starting number (when you select

Custom Server). When a service is selected the port ranges

are automatically configured
Internal Port End Enter the internal port ending number (when you select

Custom Server). When a service is selected the port ranges

are automatically configured.

6.3.2 Port Triggering

Some applications require that specific ports in the Router's firewall be
opened for access by the remote parties.

the 'Open Ports' in the firewall when an application on the LAN initiates a
TCP/UDP connection to a remote party using the 'Triggering Ports'. The Router
allows the remote party from the WAN side to establish new connections back to
the application on the LAN side using the 'Open Ports'. A maximum 32 entries can
be configured.

Port Trigger dynamically opens up

To add a Trigger Port, simply click the Add button. The following will be displayed.

51

Select an
Application
Or
Custom Application
Trigger Port Start Enter the starting trigger port number (when you select

Trigger Port End Enter the ending trigger port number (when you select

Trigger Protocol User can select from: TCP, TCP/UDP or UDP.
Open Port Start Enter the starting open port number (when you select

Open Port End Enter the ending open port number (when you select

Open Protocol User can select from: TCP, TCP/UDP or UDP.

User should select the application from the list.

Or

User can enter the name of their choice.

custom application). When an application is selected the

port ranges are automatically configured.

custom application). When an application is selected the

port ranges are automatically configured.

custom application). When an application is selected the

port ranges are automatically configured.

custom application). When an application is selected the

port ranges are automatically configured.

52

6.3.3 DMZ Host

The DSL router will forward IP packets from the WAN that do not belong to any of
the applications configured in the Virtual Servers table to the DMZ host computer.

Enter the computer's IP address and click "Apply" to activate the DMZ host.

Clear the IP address field and click "Apply" to deactivate the DMZ host.

53

6.4 Security

To display the Security function, you need to enable the firewall
feature in the WAN Setup.

6.4.1 IP Filtering

IP filtering allows you to create a filter rule to identify outgoing/incoming IP traffic
by specifying a new filter name and at least one condition below. All of the specified
conditions in this filter rule must be satisfied for the rule to take effect. Click
'Save/Apply' to save and activate the filter.

OUTGOING

Note: The default setting for all Outgoing traffic is Accepted.

To add a filtering rule, simply click the Add button. The following screen will be
displayed.

Filter Name Type a name for the filter rule.
Protocol User can select from: TCP, TCP/UDP, UDP

or ICMP.

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Source IP address Enter source IP address.
Source Subnet Mask Enter source subnet mask.
Source Port (port or port:port) Enter source port number.
Destination IP address Enter destination IP address.
Destination Subnet Mask Enter destination subnet mask.
Destination port (port or port:port) Enter destination port number.

INCOMING

Note: The default setting for all Incoming traffic is Blocked.

To add a filtering rule, simply click the Add button. The following screen will be
displayed.

To configure the parameters, please reference Outgoing table above.

55

6.4.2 Parental Control

Parental control: allows parents, schools, and libraries to set access times for Internet
use.

To add a parental control, simply click the Add button. The following screen will be
displayed.

Username: To set access Internet user name
MAC: To set what MAC to access Internet
Mon, Tue, Wed, Thu, Fri, Sat, Sun: To set what day can be access Internet
Start, Stop: To set time range for Internet Blocking

56

6.5 Routing

The Routing dialog box allows you to configure Default gateway and Static Route.

6.5.1 Default Gateway

If ‘Enable Automatic Assigned Default Gateway’ checkbox is selected, this
router will accept the first received default gateway assignment from one of the
PPPoA, PPPoE or MER/DHCP enabled PVC(s). If the checkbox is not selected,
enter the static default gateway AND/OR a WAN interface. Click 'Save/Apply'
button to save it.

NOTE: If changing the Automatic Assigned Default Gateway from unselected to
selected, You must reboot the router to get the automatic assigned default
gateway.

57

6.5.2 Static Route

Choose Static Route to display the Static Route screen. The Static Route screen
lists the configured static routes, and allows configuring static routes. Choose
Add or Remove to configure the static routes.

To add static route, click the Add button to display the following screen. Enter
the destination network address, subnet mask, gateway AND/OR available WAN
interface then click Save/Apply to add the entry to the routing table.

6.5.3 RIP

The RIP function is optional and is not available on this model.

58

6.6 DNS

6.6.1 DNS Server

If 'Enable Automatic Assigned DNS' checkbox is selected, this router will accept the
first received DNS assignment from one of the PPPoA, PPPoE or MER/DHCP
enabled PVC(s) during the connection establishment. If the checkbox is not selected,
enter the primary and optional secondary DNS server IP addresses. Click 'Save' button
to save the new configuration. You must reboot the router to make the new
configuration effective.

59

6.6.2 Dynamic DNS

The Dynamic DNS service allows you to map a dynamic IP address to a static
hostname in any of the many domains, allowing your DSL router to be more easily
accessed from various locations on the Internet.

To add a dynamic DNS service, simply click the Add button. The following screen
will be displayed:

D-DNS provider Select a dynamic DNS provider from the list
Hostname Enter the name for the dynamic DNS server.
Interface Select the interface from the list
Username Enter the username for the dynamic DNS server.
Password Enter the password for the dynamic DNS server.

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6.7 DSL

To access the DSL settings, First click On Advanced Setup and then click on
DSL.

The DSL Settings dialog box allows you to select an appropriate modulation mode.

Option Description

G.dmt Enabled Sets G.Dmt if you want the system to use G.Dmt mode.
G.Lite Enabled Sets G.Lite if you want the system to use G.Lite mode.

T1.413 Sets the T1.413 if you want the system to use only T1.413

mode.

ADSL2 Enabled The device can support the functions of the ADSL2.

AnnexL Enabled The device can support/enhance the long loop test.

ADSL2+ Enabled The device can support the functions of the ADSL2+.

AnnexM Covers a higher “upstream” data rate version, by making use

of some of the downstream channels.

Inner Pair Reserved only
Outer Pair Reserved only

Bitswap Enable Allows bitswaping function
SRA Enable Allows seamless rate adaptation

61

Chapter 7 Diagnostics

The Diagnostics menu provides feedback on the connection status of the Router
and the ADSL link. The individual tests are listed below. If a test displays a fail
status, click Rerun Diagnostic Tests at the bottom of this page to make sure
the fail status is consistent. If the test continues to fail, click Help and follow the
troubleshooting procedures.

Test Description

Ethernet
Connection

USB connection Pass: Indicates that the USB interface from your computer is

ADSL
Synchronization

ISP Connection

Pass: indicates that the Ethernet interface from your computer is
connected to the LAN port of your DSL Router. A flashing or solid
green LAN LED on the router also signifies that an Ethernet
connection is present and that this test is successful.
Fail: Indicates that the DSL Router does not detect the Ethernet
interface on your computer.

connected to the LAN port of your DSL router.
Down: Indicates that the DSL Router does not detect the USB
interface on your computer.
Pass: Indicates that the DSL modem has detected a DSL signal
from the telephone company. A solid WAN LED on the router
also indicates the detection of a DSL signal from the telephone
company.
Fail: indicates that the DSL modem does not detect a signal from
the telephone company’s DSL network. The WAN LED will
continue to flash green.
Pass: Indicates we can access the WAN service like the Gateway
and DNS.
Fail: Indicates we cannot access the WAN side.

62

Chapter 8 Management

The Management section of the Router supports the following maintenance
functions and processes:

z Settings
z System log
z Internet Time
z Access Control
z Update software
z Save/Reboot

8.1 Settings

The Settings option allows you to back up your settings to a file, retrieve the setting
file, and restore the settings.

63

8.1.1 Configuration Backup

The Backup option under Management>Settings, save your router configurations
to a file on your PC. Click BACKUP Settings in the main window. You will be
prompted to define the location of the backup file to save. After choosing the file
location, click Backup Settings. Te file will then be saved to the assigned
location.

8.1.2 Update Settings

The Update option under Management>Settings update your router settings using
your saved files.

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8.1.3 Restore Default

Clicking the Restore Default Configuration option in the Restore Settings screen can
restore the original factory installed settings.

NOTE: This entry has the same effect as the hardware reset-to-default button.
The Router board hardware and the boot loader support the reset to default
button. If the reset button is continuously pushed for more than 5 seconds, the
boot loader will erase the entire configuration data saved on the flash memory.

NOTE: Restoring system settings, requires a system reboot. This necessitates
that the current Web UI session be closed and restarted. Before restarting, the
connected PC must be configured with a static IP address in the 192.168.1.x
subnet in order to configure the Router.

The Router default settings are as follows:

z LAN port IP= 192.168.1.1, subnet mask = 255.255.255.0
z Local user name: root
z Password: 12345
z Remote user name: root
z Remote user password: 12345

After the Restore Default Configuration button is selected, the following screen
appears. Close the DSL Router Configuration window and wait for 2 minutes
before reopening your web browser. If necessary, reconfigure your PC's IP
address to match your new configuration.

65

8.2 System Log

The System Log option under Management>Settings allows you to view the
system events log, or to configure the System Log options. The default setting of
system log is disabled. Follow the steps below to enable and view the system log.

1. Click Configure System Log to display the following screen.

2. Select from the desired Log options described in the following table, and then
click Save/Apply.

Option Description

Log Indicates whether the system is currently recording events. The

user can enable or disable event logging. By default, it is disabled.
To enable it, tick Enable and then Apply button.

Log level Allows you to configure the event level and filter out unwanted

events below this level. The events ranging from the highest critical
level “Emergency” down to this configured level will be recorded to

66

the log buffer on the Router SDRAM. When the log buffer is full, the

g

newer event will wrap up to the top of the log buffer and overwrite
the old event. By default, the log level is “Debugging,” which is the
lowest critical level. The following log levels are:

z Emergency = system is unusable
z Alert = action must be taken immediately
z Critical = critical conditions
z Error = Error conditions
z Warning = normal but significant condition
z Notice= normal but insignificant condition
z Informational= provides information for reference
z Debugging = debug-level messages

Emergency is the most serious event level, whereas Debugging is
the least important. For instance, if the lo

level is set to Debugging,
all the events from the lowest Debugging level to the most critical
level Emergency level will be recorded. If the log level is set to
Error, only Error and the level above will be logged.

Display
Level

Allows the user to select the logged events and displays on the
View System Log page for events of this level and above to the
highest Emergency level.

Mode Allows you to specify whether events should be stored in the local

memory, or be sent to a remote syslog server, or both
simultaneously.
If remote mode is selected, view system log will not be able to
display events saved in the remote syslog server.
When either Remote mode or Both mode is configured, the WEB UI
will prompt the user to enter the Server IP address and Server UDP
port.

3. Click View System Log. The results are displayed as follows.

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8.3 Internet Time

The Internet Time option under Management menu bar configures the Modem’s
time. To automatically synchronize with Internet timeservers, tick the
corresponding box displayed on the screen. Then click Save/Apply.

8.4 Access Control

The Access Control option under Management menu bar configures the access-related
parameters, including three parts: Services, IP Address, and Passwords.

Note: LAN and WAN side are present on the screen if the WAN interface is UP.
Only the LAN side will be displayed if the ADSL or WAN interface is down.

68

8.4.1 Services

The Services option limits or opens the access services over the LAN or WAN.
These services are provided FTP, HTTP, ICMP, SNMP, SSH (Security Socket
Share), TELNET, and TFTP. Enable the service by checking the item in the
corresponding checkbox, and then click Save/Apply.

8.4.2 Access IP Addresses

The IP Addresses option limits the access by IP address. If the Access Control
Mode is enabled, only the allowed IP addresses can access the router. Before you
enable it, configure the IP addresses by clicking the Add button. Enter the IP
address and click Apply to allow the PC with this IP address managing the DSL
Router.

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8.4.3 Passwords

The Passwords option configures the access passwords for the router. Access to
your DSL router is controlled through three user accounts: root, support, and
user.

z “root” has unrestricted access to change and view configuration of your DSL

Router.

z "support" is used to allow an ISP technician to access your DSL Router for

maintenance and to run diagnostics.

z "user" can access the Router, view configuration settings and statistics, as

well as, update the router's software.

Use the fields below to enter up to 16 characters and click Apply to change or
create passwords.

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8.5 Update software

The Update Software screen allows you to obtain an updated software image file
from your ISP. Manual software upgrades from a locally stored file can be
performed using the following screen.

Step 1: Obtain an updated software image file from your ISP.

Step 2: Enter the path to the image file location in the box below or click the
Browse button to locate the image file.

Step 3: Click the "Update Software" button once to upload the new image file.

NOTE: The update process takes about 2 minutes to complete, and your DSL

Router will reboot.

8.6 Save and Reboot

The Save/Reboot option saves the configurations and reboots the router. Close
the DSL Router Configuration window and wait for 2 minutes before reopening
your web browser. If necessary, reconfigure your PC's IP address to match your
new configuration.

71

Appendix A: Firewall

Stateful Packet Inspection

Refers to an architecture, where the firewall keeps track of packets on each
connection traversing all its interfaces and makes sure they are valid. This is in
contrast to static packet filtering which only examines a packet based on the
information in the packet header.

Denial of Service attack

Is an incident in which a user or organization is deprived of the services of a
resource they would normally expect to have. Various DoS attacks the device can
withstand are: ARP Attack, Ping Attack, Ping of Death, Land, SYN Attack, Smurf
Attack and Tear Drop.

TCP/IP/Port/Interface filtering rules

These rules help in the filtering of traffic at the Network layer i.e. Layer 3.
When a Routing interface is created "Enable Firewall" must be checked.
Navigate to Advanced Setup -> Security -> IP Filtering, web page.

Outgoing IP Filtering:

interface. By default if Firewall is Enabled all IP traffic from LAN is allowed. By
setting up one or more filters, particular packet types coming from the LAN can
be dropped.

Filter Name: User defined Filter Name.

Protocol: Can take on any values from: TCP/UDP, TCP, UDP or ICMP

Source IP Address/Source Subnet Mask: Packets with the particular "Source

IP Address/Source Subnet Mask" combination will be dropped.

Source Port: This can take on either a single port number or a range of port
numbers. Packets having a source port equal to this value or falling within the
range of port numbers(portX : portY) will be dropped.

Destination IP Address/Destination Subnet Mask: Packets with the
particular "Destination IP Address/Destination Subnet Mask" combination will be
dropped.

Destination Port: This can take on either a single port number or a range
of port numbers. Packets having a destination port equal to this value or falling
within the range of port numbers(portX : portY) will be dropped.

Helps in setting rules to DROP packets from the LAN

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Examples:

1. Filter Name : Out_Filter1
Protocol : TCP
Source Address : 192.168.1.45
Source Subnet Mask : 255.255.255.0
Source Port : 80
Dest. Address :NA
Dest. Sub. Mask : NA
Dest. Port : NA

This filter will Drop all TCP packets coming from LAN with IP Address/Sub. Mask

192.168.1.45/24 having a source port of 80 irrespective of the destination. All
other packets will be Accepted.

2. Filter Name : Out_Filter2
Protocol : UDP
Source Address : 192.168.1.45
Source Subnet Mask : 255.255.255.0
Source Port : 5060:6060
Dest. Address :172.16.13.4
Dest. Sub. Mask : 255.255.255.0
Dest. Port : 6060:7070

This filter will drop all UDP packets coming from LAN with IP Address/Sub.Mask

192.168.1.45/24 and a source port in the range of 5060 to 6060, destined
to 172.16.13.4/24 and a destination port in the range of 6060 to 7070

Incoming IP Filtering:
Helps in setting rules to ACCEPT packets from the WAN interface. By default all
incoming IP traffic from WAN is Blocked, if the Firewall is Enabled. By setting up
one or more filters, particular packet types coming from the WAN can be
Accepted.

Filter Name: User defined Filter Name.

Protocol: Can take on any values from: TCP/UDP, TCP, UDP or ICMP

Source IP Address/Source Subnet Mask: Packets with the particular "Source

IP Address/Source Subnet Mask" combination will be accepted.

Source Port: This can take on either a single port number or a range of port
numbers. Packets having a source port equal to this value or falling within the
range of port numbers(portX : portY) will be accepted.

Destination IP Address/Destination Subnet Mask: Packets with the
particular
"Destination IP Address/Destination Subnet Mask" combination will be accepted.

Destination Port: This can take on either a single port number or a range of
port numbers. Packets having a destination port equal to this value or falling
within the range of port numbers(portX : portY) will be accepted.

73

The WAN interface on which these rules apply needs to be selected by the user.

Examples:

1. Filter Name : In_Filter1
Protocol : TCP
Source Address : 210.168.219.45
Source Subnet Mask : 255.255.0.0
Source Port : 80
Dest. Address :NA
Dest. Sub. Mask : NA
Dest. Port : NA

Selected WAN interface: mer_0_35/nas_0_35

This filter will ACCEPT all TCP packets coming from WAN interface
mer_0_35/nas_0_35 with IP Address/Sub. Mask 210.168.219.45/16 having a
source port of 80 irrespective of the destination. All other incoming packets on
this interface are DROPPED.

2. Filter Name : In_Filter2
Protocol : UDP
Source Address : 210.168.219.45
Source Subnet Mask : 255.255.0.0
Source Port : 5060:6060
Dest. Address :192.168.1.45
Dest. Sub. Mask : 255.255.255.0
Dest. Port : 6060:7070

This rule will ACCEPT all UDP packets coming from WAN interface
mer_0_35/nas_0_35 with IP Address/Sub.Mask 210.168.219.45/16 and a
source port in the range of 5060 to 6060, destined to 192.168.1.45/24 and a
destination port in the range of 6060 to 7070. All other incoming packets on this
interface are DROPPED.

MAC Layer Filtering:

These rules help in the filtering of traffic at the Layer 2. MAC Filtering is only
effective on ATM PVCs configured in Bridge mode. After a Bridge mode PVC is
created, navigate to Advanced Setup -> Security -> MAC Filtering web page.

Global Policy:
When set to Forwarded the default filter behavior is to
Forward all MAC layer frames except those explicitly stated in the rules.
Setting it to Blocked changes the default filter behavior to Drop all
MAC layer frames except those explicitly stated in the rules.

To setup a rule:

Protocol Type: Can be either PPPoE, IPv4, IPv6, AppleTalk, IPX, NetBEUI, IGMP.

Destination MAC Address: Of the form, XX:XX:XX:XX:XX:XX. Frames with

this particular destination address will be Forwarded/Dropped depending on
whether the Global Policy is Blocked/Forwarded.

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Source MAC Address: Of the form, XX:XX:XX:XX:XX:XX. Frames with this
particular source address will be Forwarded/Dropped depending on whether the
Global Policy is Blocked/Forwarded.

Frame Direction:

LAN <=> WAN --> All Frames coming/going to/from LAN or to/from WAN.
WAN => LAN --> All Frames coming from WAN destined to LAN.
LAN => WAN --> All Frames coming from LAN destined to WAN

User needs to select the interface on which this rule is applied.

Examples:

1.
Global Policy: Forwarded
Protocol Type: PPPoE
Dest. MAC Addr: 00:12:34:56:78
Source MAC Addr: NA
Frame Direction: LAN => WAN

WAN Interface Selected: br_0_34/nas_0_34

Addition of this rule drops all PPPoE frames going from LAN-side to WAN-side with
a Dest. MAC Addr. of 00:12:34:56:78 irrespective of its Source MAC Addr. on the
br_0_34 WAN interface. All other frames on this interface are forwarded.

2.
Global Policy: Blocked
Protocol Type: PPPoE
Dest. MAC Addr: 00:12:34:56:78:90
Source MAC Addr: 00:34:12:78:90:56
Frame Direction: WAN => LAN

WAN Interface Selected: br_0_34/nas_0_34

Addition of this rule forwards all PPPoE frames going from WAN-side to LAN-side
with a Dest. MAC Addr. of 00:12:34:56:78 and Source MAC Addr. of
00:34:12:78:90:56 on the br_0_34 WAN interface. All other frames on this
interface are dropped.

Daytime Parental Control

This feature restricts access of a selected LAN device to an outside Network
through the router, as per chosen days of the week and the chosen times.

User Name: Name of the Filter.

Browser's MAC Address: Displays MAC address of the LAN device on which the

browser is running.

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Other MAC Address: If restrictions are to be applied to a device other than the
one on which the browser is running, the MAC address of that LAN device is
entered.

Days of the Week: Days of the week, when the restrictions are applied.

Start Blocking Time: The time when restrictions on the LAN device

are put into effect.

End Blocking Time: The time when restrictions on the LAN device are lifted.

Example:

User Name: FilterJohn
Browser's MAC Address: 00:25:46:78:63:21
Days of the Week: Mon, Wed, Fri
Start Blocking Time: 14:00
End Blocking Time: 18:00

When this rule i.e. FilterJohn is entered, a LAN device with MAC Address of
00:25:46:78:63:21 will be restricted access to the outside network on Mondays,
Wednesdays and Fridays, from 2pm to 6pm. On all other days and time this
device will have access to the outside Network.

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Appendix B: Pin Assignments

Line port (RJ11)

Pin Definition Pin Definition

1 - 4 ADSL_TIP
2 - 5 ­3 ADSL_RING 6 -

LAN Port (RJ45)

Pin Definition Pin Definition

1 Transmit data+ 5 NC
2 Transmit data- 6 Receive data­3 Receive data+ 7 NC
4 NC 8 NC

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Appendix C: Specifications

Rear Panel

RJ-11 X1 for ADSL, RJ-45 X 1 for LAN, USB X 1 for LAN, Reset Button X 1, Power
switch X 1,

ADSL

Standard ITU-T G.992.5, ITU-T G.992.3, ITU-T G.992.1, ANSI T1.413

Issue 2

G.992.5 (ADSL2+) Downstream : 24 Mbps Upstream : 1.3 Mbps
G.992.3 (ADSL2) Downstream : 12 Mbps Upstream : 1.3 Mbps

G.DMT Downstream: 8 Mbps Upstream: 832 Kbps

Ethernet

Standard IEEE 802.3, IEEE 802.3u
10/100 BaseT Auto-sense
MDI/MDIX Yes

ATM Attributes

RFC 2364 (PPPoA), RFC 2684 (RFC 1483) Bridge/Route; RFC 2516 (PPPoE);

RFC 1577 (IPoA)
Support PVCs 4
AAL type AAL5
ATM service class UBR/CBR/VBR
ATM UNI support UNI3.1/4.0
OAM F4/F5 Yes

Management

SNMP, Telnet, Web-based management, Configuration backup and
restoration

Software upgrade via HTTP, TFTP server, or FTP server

Bridge Functions

Transparent bridging and learning IEEE 802.1d
Spanning Tree Algorithm Yes
IGMP Proxy Yes

Routing Functions

Static route, NAT/PAT, DHCP Server, DNS Proxy, ARP

Security Functions

Authentication protocols PAP, CHAP,

TCP/IP/Port filtering rules, Port triggering/Forwarding, Packet and MAC
address filtering, access control,

Application Passthrough

PPTP, L2TP, IPSec, VoIP, Yahoo messenger, ICQ, RealPlayer, NetMeeting,
MSN, X-box, etc

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Power Supply

External power adapter 110 Vac or 220 Vac

Environment Condition

Operating temperature 0 ~ 50 degrees Celsius
Relative humidity 5 ~ 90% (non-condensing)

Dimensions

92 mm (W) x 32 mm (H) x 114mm (D)

Certifications

CE

Note: Specifications are subject to change without notice

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