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 INT-support@comtrend.com
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.
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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.
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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
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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
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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
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1.2 Application
The following diagram depicts the application of the Router.
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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.
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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
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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.
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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.
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STEP 5: Installation is complete.
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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.
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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).
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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.
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STEP 7: Click the Finish button, when the screen displays as below.
STEP 8: Installation is complete.
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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:
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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.
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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
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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.
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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
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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.)
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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
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