Comtrend NL-3112U A/VDSL Bonded Router User Manual CT 5374

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NexusLink 3112u
Multi-DSL Bonded Router
User Manual
Version A1.1, June 04, 2014
261103-009
Preface
This manual provides information related to the installation and operation 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:
•
•
•
•
•
•
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).
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.
Use only the power cord and adapter that are shipped with this device.
To safeguard the equipment against overheating, make sure that all openings in
the unit that offer exposure to air are not blocked.
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.
Never install telephone wiring during stormy weather conditions.
CAUTION:

To reduce the risk of fire, use only No. 26 AWG or larger
telecommunication line cord.

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 –
Specifications.
Copyright
Copyright©2014 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.
This program is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/
NOTE:
This document is subject to change without notice.
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, please be
responsible and ask for disposal instructions from your local government.
Table of Contents
CHAPTER 1 INTRODUCTION ........................................................................................................... 6
1.1 FEATURES ........................................................................................................................................ 7
CHAPTER 2 INSTALLATION............................................................................................................. 8
2.1 HARDWARE SETUP ........................................................................................................................... 8
2.2 HARDWARE SETUP ........................................................................................................................... 8
2.3 LED INDICATORS........................................................................................................................... 10
CHAPTER 3 WEB USER INTERFACE............................................................................................ 12
3.1 DEFAULT SETTINGS ....................................................................................................................... 12
3.2 IP CONFIGURATION ........................................................................................................................ 13
3.3 LOGIN PROCEDURE........................................................................................................................ 15
CHAPTER 4 DEVICE INFORMATION ........................................................................................... 17
4.1 WAN ............................................................................................................................................. 19
4.2 STATISTICS ..................................................................................................................................... 20
4.2.1
LAN Statistics.................................................................................................................. 20
4.2.2
WAN Service ................................................................................................................... 21
4.2.3
XTM Statistics ................................................................................................................. 22
4.2.4
xDSL Statistics ................................................................................................................ 23
4.3 ROUTE ........................................................................................................................................... 28
4.4 ARP............................................................................................................................................... 29
4.5 DHCP............................................................................................................................................ 29
4.6 NAT SESSION ................................................................................................................................ 31
4.7 IGMP PROXY ................................................................................................................................ 32
4.8 IPV6 .............................................................................................................................................. 33
4.8.1 IPv6 Info ................................................................................................................................ 33
4.8.2 IPv6 Neighbor ....................................................................................................................... 34
4.8.3 IPv6 Route ............................................................................................................................. 35
4.9 NETWORK MAP ............................................................................................................................. 36
4.10 WIRELESS .................................................................................................................................... 37
4.10.1 Station Info .......................................................................................................................... 37
4.10.2 Site Survey ........................................................................................................................... 38
CHAPTER 5 BASIC SETUP............................................................................................................... 39
5.1 WAN SETUP ................................................................................................................................... 40
5.1.1 WAN Service Setup ................................................................................................................ 41
5.2 NAT .............................................................................................................................................. 42
5.2.1
Virtual Servers ................................................................................................................ 42
5.2.2
Port Triggering ............................................................................................................... 44
5.2.3
DMZ Host ....................................................................................................................... 46
5.2.4
IP Address Map .............................................................................................................. 47
5.2.5
IPSEC ALG ..................................................................................................................... 49
5.2.6
SIP ALG .......................................................................................................................... 50
5.3 LAN .............................................................................................................................................. 51
5.3.1 LAN IPv6 Autoconfig ............................................................................................................. 54
5.3.2 Static IP Neighbor ................................................................................................................. 57
5.3.3 UPnP ..................................................................................................................................... 58
5.4 WIRELESS ...................................................................................................................................... 59
5.4.1 Basic ...................................................................................................................................... 59
5.4.2 Security .................................................................................................................................. 61
5.5 PARENTAL CONTROL...................................................................................................................... 64
5.5.1
Time Restriction .............................................................................................................. 64
5.5.2
URL Filter....................................................................................................................... 65
5.6 HOME NETWORKING ...................................................................................................................... 67
5.6.1 Print Server ........................................................................................................................... 67
5.6.2 DLNA ..................................................................................................................................... 67
5.6.3 Storage Service ...................................................................................................................... 68
CHAPTER 6 ADVANCED SETUP ..................................................................................................... 69
6.1 AUTO-DETECTION SETUP ............................................................................................................... 69
6.2 SECURITY ...................................................................................................................................... 74
6.2.1
IP Filtering ..................................................................................................................... 74
6.2.2
MAC Filtering................................................................................................................. 77
6.3 QUALITY OF SERVICE (QOS) .......................................................................................................... 79
6.3.1
QoS Queue Setup ............................................................................................................ 80
6.3.2
QoS Policer .................................................................................................................... 82
6.3.3
QoS Classification .......................................................................................................... 84
6.4 ROUTING ....................................................................................................................................... 86
6.4.1
Default Gateway ............................................................................................................. 86
6.4.2
Static Route ..................................................................................................................... 87
6.4.3
Policy Routing ................................................................................................................ 88
6.4.4
RIP .................................................................................................................................. 89
6.5 DNS .............................................................................................................................................. 90
6.5.1
DNS Server ..................................................................................................................... 90
6.5.2
Dynamic DNS ................................................................................................................. 91
6.5.3
DNS Entries .................................................................................................................... 92
6.5.4
DNS Proxy/Relay ............................................................................................................ 93
6.6 DSL............................................................................................................................................... 94
6.7 DSL BONDING ............................................................................................................................... 96
6.8 INTERFACE GROUPING ................................................................................................................... 97
6.9 IP TUNNEL ................................................................................................................................... 100
6.9.1 IPv6inIPv4 ........................................................................................................................... 100
6.9.2 IPv4inIPv6 ........................................................................................................................... 101
6.10 CERTIFICATE .............................................................................................................................. 102
6.10.1
Local ............................................................................................................................. 102
6.10.2
Trusted CA .................................................................................................................... 104
6.11 POWER MANAGEMENT .............................................................................................................. 105
6.12 MULTICAST................................................................................................................................ 106
6.13 WIRELESS .................................................................................................................................. 108
6.13.1 Basic .................................................................................................................................. 108
6.13.2 Security .............................................................................................................................. 110
6.13.3 WPS ................................................................................................................................... 113
6.13.4 MAC Filter......................................................................................................................... 114
6.13.5 Wireless Bridge .................................................................................................................. 116
6.13.6 Advanced ........................................................................................................................... 117
CHAPTER 7 DIAGNOSTICS ........................................................................................................... 120
7.1 DIAGNOSTICS – INDIVIDUAL TESTS ............................................................................................. 120
7.2 FAULT MANAGEMENT.................................................................................................................. 121
7.3 UPTIME STATUS ........................................................................................................................... 122
7.4 PING ............................................................................................................................................ 122
7.5 TRACE ROUTE ............................................................................................................................. 123
7.6 SYSTEM UTILIZATION .................................................................................................................. 124
CHAPTER 8 MANAGEMENT ........................................................................................................ 125
8.1 SETTINGS ..................................................................................................................................... 125
8.1.1
Backup Settings............................................................................................................. 125
8.1.2
Update Settings ............................................................................................................. 126
8.1.3
Restore Default ............................................................................................................. 126
8.2 SYSTEM LOG ............................................................................................................................... 127
8.3 SNMP AGENT ............................................................................................................................. 129
8.4 TR-069 CLIENT ........................................................................................................................... 130
8.5 INTERNET TIME ........................................................................................................................... 132
8.6 ACCESS CONTROL ....................................................................................................................... 133
8.6.1 Passwords ......................................................................................................................... 133
8.6.2 Service Access................................................................................................................... 135
8.6.3 IP Address ......................................................................................................................... 136
8.7 UPDATE SOFTWARE ..................................................................................................................... 137
8.8 REBOOT ....................................................................................................................................... 138
CHAPTER 9 LOGOUT ..................................................................................................................... 139
APPENDIX A - FIREWALL ............................................................................................................. 140
APPENDIX B - PIN ASSIGNMENTS .............................................................................................. 143
APPENDIX C – SPECIFICATIONS ................................................................................................ 144
APPENDIX D - SSH CLIENT .......................................................................................................... 146
APPENDIX E - CONNECTION SETUP ......................................................................................... 147
APPENDIX F - WPS OPERATION ................................................................................................. 179
APPENDIX G - PRINTER SERVER ............................................................................................... 184
Chapter 1 Introduction
The NexusLink 3112u Multi DSL Bonded Router is a single box solution for triple play
applications. It features dual xDSL bonded ports that provide twice the xDSL
bandwidth (ADSL2+ in both ATM/PTM modes and VDSL2 PTM
8a/8b/8c/8d/12a/12b/17a profiles) over comparable single-port models. With PTM
mode supported, it can provide better performance than a regular ATM mode router.
The NexusLink 3112u is equipped with three Fast Ethernet ports, one Gigabit port
and 802.11n WLAN Access Point (AP). It goes above and beyond with high level
features such as QoS, VPN and remote management (with TR-069 support).
1.1 Features
•
Integrated 802.11n AP
(802.11b/g backward-compatible)
• Configuration backup and
restoration
•
Automatically switches to
ADSL2+/VDSL2 according to the
port setting of DSLAM
• Up to 16 PVCs and Up to 8 PTM
flows
•
Supports bonded xDSL lines
•
IPv6 compliant
•
VDSL2 12a/12b profile support
•
Printer Server (IPP)
•
Per-VC packet level QoS
• Firmware upgrade and
configuration
•
WPA and 802.1x
•
•
WPS 2.0
• UPnP
•
RADIUS client
•
•
Up to VDSL2 17a Profile
• Dynamic IP assignment
•
US0
• Parental Control
Auto PVC configuration
IP/MAC address filtering
•PhyR and G.INP
• DHCP Server/Client
•
G.Vector
• DNS Relay/Proxy
•
Static routing & RIP/RIP v2
• FTP/TFTP server
•
NAT/PAT
• USB mass-storage and file sharing
(Samba)
•
IGMP Snooping/Proxy and fast leave
• Embedded SNMPv2 agent
• Supports remote administration
• HTTPS/HTTP server
• Web-based management
• TR-069/TR-098/TR-111
Chapter 2 Installation
2.1 Hardware Setup
Follow the instructions below to complete the hardware setup.
Non-stackable
This device is not stackable – do not place units on top of each other, otherwise
damage could occur.
2.2 Hardware Setup
Follow the instructions below to complete the hardware setup.
BACK PANEL
The figure below shows the back panel of the device.
Power Button
DSL Port
Ethernet (LAN) Ports
Power Port
Reset Button
Power ON
Press the power button to the OFF position (OUT). Connect the power adapter to the
power port. Attach the power adapter to a wall outlet or other AC source. Press the
power button to the ON position (IN). If the Power LED displays as expected then
the device is ready for setup (see section 2.3 LED Indicators for details).
Caution 1: If the device fails to power up, or it malfunctions, first verify that the
power cords are connected securely and then power it on again. If the
problem persists, contact technical support.
Caution 2: Before servicing or disassembling this equipment, disconnect all power
cords and telephone lines from their outlets.
Reset Button
Restore the default parameters of the device by pressing the Reset button for 10
seconds. After the device has rebooted successfully, the front panel should display
as expected (see section 2.3 LED Indicators for details).
NOTE:
If pressed down for more than 60 seconds, the NexusLink 3112u will go
into a firmware update state (CFE boot mode). The firmware can then
be updated using an Internet browser pointed to the default IP address.
GB ETH Port
Use RJ45 straight through or crossover MDI/X cable to connect to Ethernet WAN.
Ethernet (LAN) Ports
Use 10/100 BASE-T RJ-45 cables to connect up to four network devices (as the GB
ETH port can also be used). These ports are auto-sensing MDI/X; so either
straight-through or crossover cable can be used.
USB Host Port (Type A)
This port can be used to connect the router to the print server.
DSL Port
Connect to a VDSL with this RJ14 Port. This device contains a micro filter which
removes the analog phone signal. If you wish, you can connect a regular telephone
to the same line by using a POTS splitter.
FRONT PANEL
The Wi-Fi & WPS buttons are located on the bottom-left of the front panel, as shown.
WiFi Switch
Press this button to enable/disable the wireless LAN (WLAN).
WPS Button
Press this button to begin searching for WPS clients. These clients must also enable
WPS push button mode (see Appendix F - WPS OPERATION for instructions).
2.3 LED Indicators
The front panel LED indicators are shown below and explained in the following table.
This information can be used to check the status of the device and its connections.
LED
Color
Green
Mode
On
The device is powered up.
Off
The device is powered down.
On
POST (Power On Self Test) failure or other
malfunction. A malfunction is any error of
internal sequence or state that will prevent
the device from connecting to the DSLAM
or passing customer data.
POWER
Red
Green
(for 1000
Base-T)
GB ETH
Yellow
(for 10/100
Base-T)
ETH 1-3
WPS
WiFi
DSL1
Green
Green
Green
Green
Function
On
Powered device connected to the
associated port.
Off
No activity, modem powered off, no cable
or no powered device connected to the
associated port.
Blink
Traffic is passing.
On
Powered device connected to the
associated port.
Off
No activity, modem powered off, no cable
or no powered device connected to the
associated port.
Blink
Traffic is passing.
On
An Ethernet Link is established.
Off
An Ethernet Link is not established.
Blink
Data transmitting or receiving over
Ethernet.
On
WPS enabled.
Off
WPS disenabled.
Blink
The router is searching for WPS clients.
On
The wireless module is ready.
(i.e. installed and enabled).
Off
The wireless module is not ready.
(i.e. either not installed or disabled).
Blink
Data transmitting or receiving over WLAN.
On
The DSL1 link is established.
Off
The device is powered down.
Blink
DSL1 attempting sync:
10

Flashing at 2 Hz with a 50% duty cycle
when trying to detect carrier signal flashing at 4
Hz with a 50% duty cycle when the carrier has
been detected and the modem is trying to train.
DSL2
On
The DSL2 link is established.
Off
The device is powered down.
Blink
DSL2 attempting sync:

Flashing at 2 Hz with a 50% duty cycle
Green
when trying to detect carrier signal flashing at 4
Hz with a 50% duty cycle when the carrier has
been detected and the modem is trying to train.
Green
On
IP connected and no traffic detected. If
an IP or PPPoE session is dropped due to
an idle timeout, the light will remain green
if an VDSL connection is still present.
Off
Modem power off, modem in bridged mode
or VDSL connection not present. In
addition, if an IP or PPPoE session is
dropped for any reason, other than an idle
timeout, the light is turned off.
Blink
IP connected and IP Traffic is passing thru
the device (either direction)
INTERNET
Device attempted to become IP connected
Red
On
and failed (no DHCP response, no PPPoE
response, PPPoE authentication failed, no
IP address from IPCP, etc.)
11
Chapter 3 Web User Interface
This section describes how to access the device via the web user interface (WUI)
using an Internet browser such as Internet Explorer (version 5.0 and later).
3.1 Default Settings
The factory default settings of this device are summarized below.
•
•
•
•
•
•
LAN IP address: 192.168.1.1
LAN subnet mask: 255.255.255.0
Administrative access (username: root, password: 12345)
User access (username: user, password: user)
Remote (WAN) access (username: support, password: support)
WLAN access: enabled
Technical Note
During power on, the device initializes all settings to default values. It will then
read the configuration profile from the permanent storage section of flash memory.
The default attributes are overwritten 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 ten seconds until the power indicates LED blinking or by clicking the
Restore Default Configuration option in the Restore Settings screen.
12
3.2 IP Configuration
DHCP MODE
When the NexusLink 3112u powers up, the onboard DHCP server will switch on.
Basically, the DHCP server issues and reserves IP addresses for LAN devices, such
as your PC.
To obtain an IP address from the DCHP server, follow the steps provided below.
NOTE:
The following procedure assumes you are running Windows XP.
However, the general steps involved are similar for most operating
systems (OS). Check your OS support documentation for further details.
STEP 1: From the Network Connections window, open Local Area Connection (You
may also access this screen by double-clicking the Local Area Connection
icon on your taskbar). Click the Properties button.
STEP 2: Select Internet Protocol (TCP/IP) and click the Properties button.
STEP 3: Select Obtain an IP address automatically as shown below.
STEP 4: Click OK to submit these settings.
If you experience difficulty with DHCP mode, you can try static IP mode instead.
13
STATIC IP MODE
In static IP mode, you assign IP settings to your PC manually.
Follow these steps to configure your PC IP address to use subnet 192.168.1.x.
NOTE:
The following procedure assumes you are running Windows XP.
However, the general steps involved are similar for most operating
systems (OS). Check your OS support documentation for further details.
STEP 1: From the Network Connections window, open Local Area Connection (You
may also access this screen by double-clicking the Local Area Connection
icon on your taskbar). Click the Properties button.
STEP 2: Select Internet Protocol (TCP/IP) and click the Properties button.
STEP 3: Change the IP address to the 192.168.1.x (1