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AR-5381U
Users Manual
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User Manual
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Comtrend AR-5381u, CT-5372 User Manual

CT-5372 Multi-DSL Router
User’s Manual
Version A1.0, August 15, 2006
261074-001
Before servicing or disassembling this equipment, always disconnect all
power and telephone lines from the device.
Use an appropriate power supply and a UL Listed telephone line cord.
Specification of the power supply is clearly stated in Appendix D -
Specifications.
Preface
This manual provides information to network administrators. It covers the
installation, operation and applications of the wireless ADSL2+ router.
The reader reading this manual is presumed to have a basic understanding of telecommunications. For product update, new product release, manual revision, software upgrade, technical support, etc., visit Comtrend Corporation at
http://www.comtrend.com
This document is subject to change without notice.
Copyright
Copyright© 2006 Comtrend Corporation. All rights reserved. The information and
messages contained herein are proprietary to Comtrend Corporation. No part of
this document may be translated, transcribed, reproduced, in any form, or by any
means without prior written permission by Comtrend Corporation.
Technical support
When you find the product out of service, or that it doesn’t work properly, please contact technical support engineer for immediate servicing or email to
INT-support@comtrend.com
1
Table of Contents
CHAPTER 1
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 INSTALLING THE USB DEVICE DRIVER ...................................................................................10
CHAPTER 3 LOGIN VIA THE WEB BROWSER......................................................................15
3.1 IP ADDRESS.............................................................................................................................15
3.2 LOGIN PROCEDURE ................................................................................................................. 16
3.3 DEFAULT SETTINGS ................................................................................................................. 17
CHAPTER 4 QUICK SETUP.........................................................................................................18
4.1 WAN....................................................................................................................................... 19
4.2 STATI ST IC S ..............................................................................................................................20
INTRODUCTION ......................................................................................................5
4.2.1 LAN Statistics..................................................................................................................21
4.2.2 WAN Statistics.................................................................................................................22
4.2.3 ATM statistics .................................................................................................................23
4.2.4 ADSL Statistics ...............................................................................................................25
4.2.5 VDSL Statistics ...............................................................................................................28
4.2.6 Route............................................................................................................................... 30
4.2.7 ARP................................................................................................................................. 30
4.2.8 DHCP .............................................................................................................................31
CHAPTER 5 QUICK SETUP.........................................................................................................32
5.1 AUTO QUICK SETUP ................................................................................................................33
5.2 MANUAL QUICK SETUP ........................................................................................................... 34
5.2.1 PPP over ATM (PPPoA) and PPP over Ethernet (PPPoE)............................................36
5.2.2 MAC Encapsulation Routing (MER) ..............................................................................41
5.2.3 IP Over ATM................................................................................................................... 46
5.2.4 Bridging..........................................................................................................................50
CHAPTER 6 ADVANCED SETUP................................................................................................ 52
6.1 WAN....................................................................................................................................... 52
6.2 LAN........................................................................................................................................ 53
2
6.3
NAT ........................................................................................................................................55
6.3.1 Virtual Servers ................................................................................................................55
6.3.2 Port Triggering...............................................................................................................57
6.3.3 DMZ Host .......................................................................................................................59
6.3.4 ALG ................................................................................................................................60
6.4 SECURITY ................................................................................................................................61
6.4.1 IP Filtering .....................................................................................................................61
6.4.2 Parental Control ............................................................................................................. 64
6.5 QUALITY OF SERVICE ..............................................................................................................65
6.6 ROUTING .................................................................................................................................70
6.6.1 Default Gateway ............................................................................................................. 70
6.6.2 Static Route.....................................................................................................................71
6.6.3 RIP..................................................................................................................................72
6.7 DNS........................................................................................................................................ 73
6.7.1 DNS Server .....................................................................................................................73
6.7.2 Dynamic DNS .................................................................................................................74
6.8 DSL ........................................................................................................................................76
6.9 PRINT SERVER .........................................................................................................................77
6.10 PORT MAPPING........................................................................................................................ 78
6.11 IPSEC ......................................................................................................................................81
6.12 CERTIFICATE............................................................................................................................85
6.12.1 Local...............................................................................................................................86
6.12.2 Trusted CA......................................................................................................................88
CHAPTER 7 WIRELESS ...............................................................................................................89
7.1 WIRELESS BASIC SCREEN........................................................................................................89
7.1.1 Security ........................................................................................................................... 91
7.1.2 MAC Filter......................................................................................................................95
7.1.3 Wireless Bridge...............................................................................................................97
7.1.4 Advanced ........................................................................................................................98
7.1.5 Quality of Service .........................................................................................................101
7.1.6 Station Info ...................................................................................................................102
CHAPTER 8 DIAGNOSTICS ......................................................................................................103
CHAPTER 9 MANAGEMENT ....................................................................................................104
9.1 SETTINGS .............................................................................................................................. 104
9.1.1 Configuration Backup...................................................................................................105
9.1.2 Tools – Update Settings ................................................................................................106
9.1.3 Restore Default............................................................................................................. 107
3
9.2
SYSTEM LOG .........................................................................................................................109
9.3 TR-069 CLIENT..................................................................................................................... 112
9.4 INTERNET TIME .....................................................................................................................114
9.5 ACCESS CONTROL .................................................................................................................115
9.5.1 Services......................................................................................................................... 116
9.5.2 Access IP Addresses...................................................................................................... 117
9.5.3 Passwords..................................................................................................................... 118
9.6 UPDATE SOFTWARE................................................................................................................ 119
9.7 SAVE AND REBOOT ................................................................................................................120
APPENDIX A: PRINTER SERVER CONFIGURATION............................................................. 121
APPENDIX B: FIREWALL.............................................................................................................. 127
APPENDIX C: PIN ASSIGNMENTS...............................................................................................133
APPENDIX D: SPECIFICATIONS..................................................................................................134
APPENDIX E: SSH CLIENT............................................................................................................136
4

Chapter 1 Introduction

The CT-5372 is a leading Multi-DSL wireless router that can support both ADSL2+
and VDSL2. VDSL2 is a brand new standard and technology that is perfectly suitable
for triple play (video, voice and data) applications.

1.1 Features

• Supports both ADSL2+ and VDSL2
• Automatically switches to ADSL2+ or VDSL2 according to the port setting of
DSLAM
• Wi-Fi Certified (optional)
• UPnP
• Integrated 802.11g AP (optional)
• WPA and 802.1x
• RADIUS client
• IP /MAC address filtering
• Static route/RIP/RIP v2 routing functions
• Dynamic IP assignment
• IP QoS
• NAT/PAT
• IGMP Proxy and fast leave
• DHCP Server/Relay/Client
• DNS Proxy
• Auto PVC configuration
• Per-VC packet level QoS
• Up to 8 VCs
• Embedded SNMP agent
• Web-based management
• Remote configuration and upgrade
• Supports TR-069
• Configuration backup and restoration
• FTP server
• TFTP server
5

1.2 Application

The following diagram depicts the application of the CT-5372.
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
Green On The router is powered up. POWER
Off The router is powered down.
Green On An Ethernet Link is established.
LAN 4X~1X
WIRELESS
USB
ADSL
Off An Ethernet Link is not established.
Green Blink Data transmitting or receiving over LAN.
Green On The Wireless is ready and idle.
Off The Wireless is not installed.
Green Blink Data transmitting or receiving over Wireless.
Green On A USB link is established.
Off A USB link is established.
Green Blink Data transmitting or receiving over USB.
Green On The ADSL link is established.
Off The ADSL link is not established.
The ADSL link is training or some traffic is passing
Green Blink
through ADSL.
Green On The VDSL link is established.
VDSL
ALARM
7
Off The VDSL link is not established.
The VDSL link is training or some traffic is passing
Green Blink
through VDSL.
Red On The A/VDSL link is terminated.
Off Normal operating status.

Chapter 2 Installation

2.1 Hardware Installation

In the rear panel, there is a reset button. To load the factory default settings, hold
the reset button down for at least 5 seconds.
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.
Host
Reset button
Power Switch
Connection to LAN port
To connect to a hub or PC, use a RJ45 cable. You can connect the router to up to four
LAN devices. The ports are 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 USB host port
The CT-5372 is equipped with one high-speed USB2.0 host connection.
With software support, users can connect USB devices such as printers and a hard
disc to the CT-5372. For this software release, printer server is supported.
8
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, press the power-switch in to turn the device
on. After power 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.
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.
9

2.2 Installing the USB Device Driver

Before you connect your router’s USB cable to yo ur P C , you mu st l o ad th e ADS L USB
drivers. The USB driver supports Windows 98, ME, 2000, and XP.
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, click the Next button.
Note: This screen won’t be displayed if the USB Driver has been previously
un/installed.
10
STEP 3: When the screen displays as below, select Search for a suitable driver
and click the Next button.
STEP 4: Select Specify a location and click the Next button. If you are installing the
software from a disk, insert the disk.
11
STEP 5: Select the location of the file using the Browse button. Normally, the file
is on the CD-ROM shipped with the device.
STEP 6: Locate the file, and click the Open button.
12
STEP 7: When the screen displays as below, click the OK button.
STEP 8: When the screen below displays, click the NEXT button.
STEP 9: Click the Finish button, when the screen displays as below.
13
STEP 10: Installation is complete.
14

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 5.5 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 CT-5372 (LAN port) is 192.168.1.1. To configure the
CT-5372 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.
STEP 3: Click OK to submit the settings.
STEP 4: Start your Internet browser and type the IP address for the router
(192.168.1.1) in the Web address bar.
15

3.2 Login Procedure

Perform the following steps to bring up the Web user interface and configure the
CT-5372. To log on to the system from the Web browser, follow the steps below:
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 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.
16

3.3 Default Settings

During power on initialization, the CT-5372 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 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.
LAN port IP address: 192.168.1.1
Local administrator account name: root
Local administrator account password: 12345
Local non- administrator account name: user
Local non- administrator account password: user
Remote WAN access account name: support
Remote WAN access account password: support
DHCP server on LAN interface: enabled
WAN IP address: none
17

Chapter 4 Quick Setup

After login, the Quick Setup screen appears as shown.
Note: The selections available on the left side of menu are based upon the
configured connection.
18

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 state of the IGMP function
State Shows the connection state of the WAN connection
Status Lists the status of DSL link
IP Address Shows IP address for WAN interface
19

4.2 Statistics

Selection of the Statistics screen provides statistics for the Network Interface of LAN,
WAN, ATM, ADSL and VDSL. All statistics screens are updated every 15 seconds.
20

4.2.1 LAN Statistics

The Network Statistics screen shows the interface statistics for the ATM AAL5
interface, and Ethernet interfaces. (The Network Statistics screen shows the
interface statistics for the LAN interface. This provides byte transfer, packet transfer,
Error and Drop statistics for the LAN interface.)
21

4.2.2 WAN Statistics

Service Shows the service type
VPI/VCI Shows the values of the ATM VPI/VCI
Protocol Shows the connection type, such as PPPoE,
PPPoA, etc.
Interface Shows connection interfaces
Received/Transmitted - Bytes
- Pkts
- Errs
- Drops
Rx/TX (receive/transmit) packet in Bytes
Rx/TX (receive/transmit) packets
Rx/TX (receive/transmit) the errored packets
Rx/TX (receive/transmit) dropped packets
22

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 Number of transmitted octets over the interface
In Errors Number of cells dropped due to uncorrectable HEC errors
In Unknown Number of received cells discarded during cell header 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.
In Hec Errors Number of cells received with an ATM Cell Header HEC error
In Invalid Vpi Vci
Errors
In Port Not
Enabled Errors
In PTI Errors Number of cells received with an ATM header Payload Type
In Idle Cells Number of idle cells received
In Circuit Type
Errors
In Oam RM CRC
Number of cells received with an unregistered VCC address.
Number of cells received on a port that has not been enabled.
Indicator (PTI) error
Number of cells received with an illegal circuit type
Number of OAM and RM cells received with CRC errors
Errors
In GFC Errors Number of cells received with a non-zero GFC.
23
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
Out Ucast Pkts Number of received AAL5/AAL0 CPCS PDUs received from a
higher layer for transmission
In Errors Number of received AAL5/AAL0 CPCS PDUs received in error.
The types of errors counted include CRC-32 errors.
Out Errors Number of received AAL5/AAL0 CPCS PDUs that could be not
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 Statistics 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
24

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.
25
Field Description
Mode Modulation protocol ITU-T G.992.5, ITU-T G.992.3, ITU-T
G.992.1, ANSI T1.413 Issue 2
Type Channel type Interleave or Fast
Line Coding DMT Trellis on
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 downstream
direction.
Output Power (dBm) Total upstream output power
Attainable Rate (Kbps) The sync rate you would obtain.
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
If you are connected to an ADSL link the following page will be displayed.
26
The extra items are explained here.
K (number of bytes in DMT frame): 255 27
R (number of check bytes in RS code word): 0 0
S (RS code word size in DMT frame): 1 1
D (interleaver depth): 1 1
Delay (msec): 0 0
27

4.2.5 VDSL Statistics

28
Field Description
Status: VDSL link status.
B0 Traffic Type: ATM or PTM
B0 Rate (Kbps): Bearer 0 current sync rate.
B1 Traffic Type: ATM or PTM
B1 Rate (Kbps): Bearer 1 current sync rate.
Derived Second Counters:
Current 15 min ES: An accumulative total for current 15
minute ES.
Current 15 min SES: An accumulative total for current 15
minute SES.
Current 15 min UAS: An accumulative total for current 15
minutes UAS.
Current 24 hours ES: An accumulative total for current 24
hours ES.
Current 24 hours SES: An accumulative total for current 24
hours SES.
Current 24 hours UAS: An accumulative total for current 24
hours UAS.
Anomaly Counters:
Bearer 0:
Current 15 min CRC-8 anomalies: An accumulative total for current 15
minute CRC-8 anomalies
Current 15 min Corrected Codewords: An accumulative total for current 15
minute Corrected Codewords
Current 24 hours CRC-8 anomalies: An accumulative total for current 24
hours CRC-8 anomalies
Current 24 hours Corrected Codewords: An accumulative total for current hours
CRC-8 corrected codewords
Bearer 1:
Current 15 min CRC-8 anomalies: An accumulative total for current 15
minute CRC-8 anomalies
Current 15 min Corrected Codewords: An accumulative total for current 15
minute Corrected Codewords
Current 24 hours CRC-8 anomalies: An accumulative total for current 24
hours CRC-8 anomalies
Current 24 hours Corrected Codewords: An accumulative total for current 24
hours CRC-8 corrected codewords
29
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