Comtrend Corporation Wireless-N Broadband Router User manual

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Wireless-N Broadband Router
User’s Manual
Version A1.0, June 20, 2012

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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 homesuppor[email protected]m
For product updates, manual revisions, or software upgrades, please visit our website
at http://www.comtrend.com

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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.
WARNING
Disconnect the power line from the device before servicing.
Power supply specifications are clearly stated in 4-1 Hardware Specification

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Copyright
Copyright© 2012 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 the
prior written consent of Comtrend Corporation.
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.

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Table of Contents
Chapter I: Product Information ................................................................................................. 9
1-1 Introduction..................................................................................................................... 9
1-2 System Requirements ................................................................................................... 11
1-3 Package Contents.......................................................................................................... 12
1-4 Get familiar with your new Wireless-n Broadband Router........................................... 13
Chapter II: System and Network Setup ................................................................................... 15
2-1 Installation..................................................................................................................... 15
2-2 Connecting to the wireless broadband router by web browser ................................... 17
2-2-1 Windows 2000 IP address setup: ........................................................................... 18
2-2-2 Windows XP IP address setup:............................................................................... 20
2-2-3 Windows Vista/ Windows 7 IP address setup:....................................................... 22
2-2-4 Router IP address lookup ....................................................................................... 24
2-3 Using ‘Quick Setup’ ....................................................................................................... 28
2-3-1 Setup procedure for ‘Cable Modem’ (Dynamic IP):............................................... 31
2-3-2 Setup procedure for ‘Fixed-IP xDSL’:...................................................................... 32
2-3-3 Setup procedure for ‘PPPoE xDSL’: ........................................................................ 34
2-3-4 Setup procedure for ‘PPTP xDSL’: .......................................................................... 36
2-3-5 Setup procedure for ‘L2TP xDSL’:........................................................................... 39
2-4 Basic Setup .................................................................................................................... 42
2-4-1 Time zone and time auto-synchronization ............................................................ 42
2-4-2 Change management password............................................................................. 44

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2-4-3 Remote Management ............................................................................................ 47
2-5 Setup Internet Connection (WAN Setup)...................................................................... 49
2-5-1 Setup procedure for ‘Dynamic IP’: ......................................................................... 51
2-5-2 Setup procedure for ‘Static IP’:.............................................................................. 53
2-5-3 Setup procedure for ‘PPPoE’:................................................................................. 54
2-5-4 Setup procedure for ‘PPTP’:................................................................................... 57
2-5-5 Setup procedure for ‘L2TP’: ................................................................................... 60
2-5-6 Setup procedure for ‘DNS’: .................................................................................... 62
2-5-7 Setup procedure for ‘DDNS’:.................................................................................. 64
2-5-8 Setup procedure for ‘WISP’: .................................................................................. 66
2-5-9 Setup procedure for ‘IPv6’: .................................................................................... 69
2-6 Wired LAN Configurations............................................................................................. 71
2-6-1 LAN IP section: ....................................................................................................... 73
2-6-2 DHCP Server: .......................................................................................................... 74
2-6-3 Static DHCP Leases Table: ...................................................................................... 76
2-7 Wireless LAN Configurations......................................................................................... 79
2-7-1 Basic Wireless Settings........................................................................................... 81
2.7.1.1 Setup procedure for ‘Access Point’: .................................................................... 83
2.7.1.2 Setup procedure for ‘Station-Infrastructure’: ..................................................... 86
2.7.1.3 Setup procedure for ‘AP Bridge-Point to Point’: ................................................. 87
2.7.1.4 Setup procedure for ‘AP Bridge-Point to Multi-Point’: ....................................... 88
2.7.1.5 Setup procedure for ‘AP Bridge – WDS’ .............................................................. 89
2.7.1.6 Setup procedure for ‘Universal Repeater’........................................................... 91

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2-7-2 Advanced Wireless Settings................................................................................... 93
2-7-3 Wireless Security.................................................................................................... 97
2.7.3.1 WEP - Wired Equivalent Privacy .......................................................................... 98
2.7.3.2 Wi-Fi Protected Access (WPA):.......................................................................... 101
2.7.3.3 WPA RADIUS:..................................................................................................... 103
2-7-4 Wireless Access Control ....................................................................................... 105
2-7-5 Wi-Fi Protected Setup (WPS) ............................................................................... 108
2-7-6 Security Tips for a Wireless Network ................................................................... 112
Chapter III Advanced Functions ......................................................................................... 113
3-1 Quality of Service (QoS) .............................................................................................. 113
3-1-1 Basic QoS Settings ................................................................................................ 114
3-1-2 Add a new QoS rule.............................................................................................. 117
3-2 Network Address Translation (NAT)............................................................................ 120
3-2-1 Basic NAT Settings (Enable or disable NAT function)........................................... 121
3-2-2 Port Forwarding ................................................................................................... 122
3-2-3 Virtual Server ....................................................................................................... 125
3-2-4 Port Mapping for Special Applications................................................................. 128
3-2-5 UPnP Setting......................................................................................................... 131
3-2-6 ALG Settings ......................................................................................................... 132
3-3 Firewall ........................................................................................................................ 133
3-3-1 Access Control...................................................................................................... 134
3.3.1.1 Add PC ............................................................................................................... 138
3-3-2 URL Blocking......................................................................................................... 140

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3-3-3 DoS Attack Prevention ......................................................................................... 143
3.3.3.1 DoS - Advanced Settings.................................................................................... 146
3-3-4 Demilitarized Zone (DMZ) .................................................................................... 148
3-4 System Status .............................................................................................................. 151
3-4-1 System information and firmware version .......................................................... 151
3-4-2 Internet Connection Status.................................................................................. 152
3-4-3 Device Status........................................................................................................ 153
3-4-4 System Log ........................................................................................................... 154
3-4-5 Security Log.......................................................................................................... 155
3-4-6 Active DHCP client list .......................................................................................... 156
3-4-7 Statistics ............................................................................................................... 157
3-5 Configuration Backup and Restore.............................................................................. 158
3-6 Firmware Upgrade ...................................................................................................... 159
3-7 System Reset ............................................................................................................... 161
Chapter IV: Appendix............................................................................................................. 162
4-1 Hardware Specification ............................................................................................... 162
4-2 Troubleshooting .......................................................................................................... 163

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Chapter I: Product Information
1-1 Introduction
This Comtrend WR-5882 is an excellent choice for Small office / Home
office users, allowing computers and network devices to easily share a
single xDSL / cable modem Internet connection. Easy installation
procedures allow any computer user to setup a network environment in
a very short time. And when the number of computers and
network-enabled devices increase, you can expand the number of
network ports by simply attaching a Comtrend switch to extend the
scope of your network.
In addition, all computers and IEEE 802.11b/g/n wireless-enabled
network devices (including PDA, cellular phone, game console, etc…)can
connect to this wireless router without additional cabling.
Other features of this router include:
•Allows multiple users to share a single Internet line
•Supports up to 253 users
•Access private LAN servers from the Internet
•Works with IEEE 802.11b/g/n wireless LAN devices
•Supports DHCP (Server/Client) for easy IP-address setup
•Advanced network and security features like: Special Applications,
QoS, DMZ, Virtual Servers, Access Control and Firewall

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•Easily monitor the router’s status with built-in functions such as
DHCP Client Log, System Log, Security Log and Device/Connection
Status
•Easy to use Web-based GUI for network configuration and
management purposes
•Remote management function allows configuration and upgrades
from a remote computer (over the Internet)

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1-2 System Requirements
An Internet connection provided by xDSL or cable modem with
an RJ-45 Ethernet port.
Computer or network devices with wired or wireless network
interface card.
Web browser (Microsoft Internet Explorer 4.0 or above, Netscape
Navigator 4.7 or above, Opera web browser, or Safari web
browser).
An available AC power socket (100 – 240V, 50/60Hz).

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1-3 Package Contents
Before starting to use this router, please check if there’s anything
missing in the package, and contact your place of purchase to claim for
missing items:
* 1 - Driver/Utility/QIG/User Manual CD-ROM (1)
* 1 - Broadband Router (2)
* 1 - Ethernet Cable (3)
* 1 - Printed QIG (4)
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1
3 4

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1-4 Get familiar with your new Wireless-n Broadband
Router
Front Panel
LED Status Description
POWER On Router is switched on and correctly powered.
WLAN
On Wireless WPS function is enabled.
Off Wireless network is switched off.
Flashing Wireless LAN activity (transferring or
receiving data).
WAN
LNK/ACT
On WAN port is connected.
Off WAN port is not connected.
Flashing WAN activity (transferring or receiving data).
LAN 1-4
LNK/ACT
On LAN port is connected.
Off LAN port is not connected.
Flashing LAN activity (transferring or receiving data).

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Back Panel
Item Name Description
Antenna 2dBi dipole antenna.
Reset / WPS Reset the router to factory default settings (clear all
settings) or start the WPS function. Press this button
and hold for 10 seconds to restore all settings to factory
defaults, and press this button for less than 5 seconds
to start the WPS function.
1 - 4 Local Area Network (LAN) ports 1 to 4.
WAN Wide Area Network (WAN / Internet) port.
Power Power connector, connects to A/C power adapter.

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Chapter II: System and Network Setup
2-1 Installation
Follow the instructions below to build the network connection between
your new Wireless router and your computers, network devices:
1. Connect your xDSL / cable modem to the WAN port of the router by
Ethernet cable.
2. Connect your computers and network devices (network-enabled
consumer devices other than computers, like game consoles, or a
switch / hub) to an available LAN port of the router.

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3. Insert the A/C power adapter into the wall socket, and then connect
it to the ‘Power’ socket of the router.
4. Check all LEDs on the front panel. The ‘Power’ LED should be steadily
on, WAN and LAN LEDs should be on if the computer / network
devices connected to the respective port of the router is powered on
and correctly connected. If the Power LED is not on, or any LED you
expected to be on is not on, check the cabling, or jump to ‘4-2
Troubleshooting’ for possible reasons and solutions.

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2-2 Connecting to the wireless broadband router by web
browser
Before you can connect to the router and start configuration
procedures, your computer must be able to get an IP address
automatically (using a dynamic IP address). If it’s set to use a static IP
address, or you’re unsure, follow the instructions below to configure
your computer to use dynamic IP address:
If the operating system of your computer is….
Windows 2000 - go to section 2-2-1
Windows XP - go to section 2-2-2
Windows Vista or Windows 7 - go to section 2-2-3

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2-2-1 Windows 2000 IP address setup:
1. Click the ‘Start’ button (it should be located at the lower-left corner of
your computer screen), then click control panel. Double-click the
Network and Dial-up Connections icon; click Local Area Connection, and
the Local Area Connection Properties window will appear. Select
‘Internet Protocol (TCP/IP)’ and then click the ‘Properties’ button.
2. Select ‘Obtain an IP address automatically’ and ‘Obtain DNS server
address automatically’, then click the ‘OK’ button.

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2-2-2 Windows XP IP address setup:
1. Click the ‘Start’ button (it should be located at the lower-left corner of
your computer screen), then click control panel. Double-click the
Network and Internet Connections icon, click Network Connections,
then double-click Local Area Connection,the Local Area Connection
Statuswindow will appear, and then click the ‘Properties’ button.
2. Select ‘Obtain an IP address automatically’ and ‘Obtain DNS server
address automatically’, then click the ‘OK’ button.