NetComm NB724 User Manual

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Table of Contents i

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CHAPTER 1: INTRODUCTION .............................................................................................................. 3

INTRODUCTION TO YOUR ROUTER ............................................................................................................. 3

FEATURES.................................................................................................................................................. 3

CHAPTER 2: INSTALLING THE ROUTER .......................................................................................... 6

IMPORTANT NOTE FOR USING THIS ROUTER................................................................................................ 6

PACKAGE CONTENTS ................................................................................................................................. 6

THE FRONT LEDS OF THE NB724 ............................................................................................................. 7

THE REAR PORTS OF THE NB724............................................................................................................... 8

CABLING.................................................................................................................................................... 9

CHAPTER 3: BASIC INSTALLATION................................................................................................. 10

CONNECTING YOUR ROUTER................................................................................................................... 10

FACTORY DEFAULT SETTINGS.................................................................................................................. 15

Web Interface (Username and Password).......................................................................................... 15

Device LAN IP settings: ..................................................................................................................... 15

ISP setting in WAN site:...................................................................................................................... 15

DHCP server...................................................................................................................................... 15

LAN and WAN Port Addresses............................................................................................................ 15

INFORMATION FROM YOUR ISP................................................................................................................ 16

CONFIGURING WITH YOUR WEB BROWSER.............................................................................................. 17

CHAPTER 4: CONFIGURATION.......................................................................................................... 18

STATUS .................................................................................................................................................... 19

ARP Table........................................................................................................................................... 19

Routing Table...................................................................................................................................... 19

DHCP Table........................................................................................................................................ 20

PPTP Status........................................................................................................................................ 21

IPSec Status........................................................................................................................................ 21

L2TP Status......................................................................................................................................... 22

Email Status........................................................................................................................................ 22

Event Log............................................................................................................................................ 23

Error Log............................................................................................................................................ 23

NAT Sessions...................................................................................................................................... 24

Diagnostic........................................................................................................................................... 24

UPnP Portmap ................................................................................................................................... 25

QUICK START........................................................................................................................................... 26

CONFIGURATION...................................................................................................................................... 28

LAN (Local Area Network)................................................................................................................. 28

Bridge Interface.............................................................................................................................. 28

Ethernet........................................................................................................................................... 29

IP Alias............................................................................................................................................ 30

Ethernet Client Filter...................................................................................................................... 31

Port Setting..................................................................................................................................... 33

DHCP Server.................................................................................................................................. 34

WAN - Wide Area Network.................................................................................................................. 35

ISP .................................................................................................................................................. 35

DNS................................................................................................................................................ 45

SHDSL ........................................................................................................................................... 46

System................................................................................................................................................. 47

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Time Zone....................................................................................................................................... 47

Remote Access................................................................................................................................ 48

Firmware Upgrade.......................................................................................................................... 49

Backup / Restore............................................................................................................................. 50

Restart Router................................................................................................................................. 51

User Management........................................................................................................................... 52

Firewall and Access Control .............................................................................................................. 53

General Settings.............................................................................................................................. 54

Packet Filter.................................................................................................................................... 55

Intrusion Detection......................................................................................................................... 63

URL Filter....................................................................................................................................... 65

IM / P2P Blocking.......................................................................................................................... 67

Firewall Log ................................................................................................................................... 68

VPN - Virtual Private Networks......................................................................................................... 69

PPTP (Point-to-Point Tunneling Protocol)..................................................................................... 69

IPSec (IP Security Protocol)........................................................................................................... 77

L2TP (Layer Two T unneling Protocol) .......................................................................................... 87

QoS (Quality of Service)................................................................................................................... 100

Prioritization................................................................................................................................. 100

Outbound IP Throttling (LAN to WAN)....................................................................................... 102

Inbound IP Throttling (WAN to LAN)......................................................................................... 103

Virtual Server (“Port Forwarding”) ................................................................................................ 107

Add V irtual Server........................................................................................................................ 108

Edit DMZ Host............................................................................................................................. 109

Edit DMZ Host..............................................................................................................................110

Edit One-to-One NAT (Network Address Translation).................................................................111

Time Schedule....................................................................................................................................114

Configuration of Time Schedule ...................................................................................................115

Advanced ...........................................................................................................................................116

Static Route....................................................................................................................................116

Dynamic DNS ...............................................................................................................................117

Check Email ..................................................................................................................................118

Device Management......................................................................................................................119

IGMP............................................................................................................................................ 122

VLAN Bridge............................................................................................................................... 122

SAVE CONFIGURATION TO FLASH........................................................................................................... 126

LOGOUT................................................................................................................................................. 127

CHAPTER 5: TROUBLESHOOTING ................................................................................................ 128

PROBLEMS STARTING UP THE ROUTER.................................................................................................... 128

PROBLEMS WITH THE WAN INTERFACE................................................................................................. 128

PROBLEMS WITH THE LAN INTERFACE.................................................................................................. 128

APPENDIX: LEGAL & REGULATORY INFORMATION ................................................................ 128

Page 3

SHDSL VPN Router

Chapter 1: Introduction

Introduction to your Router

Thank you for purchasing the NetComm NB724 SHDSL Router. Your NetComm SHDSL router is an “all-in-one” unit, combining an SHDSL modem, SHDSL router and Ethernet network switch, providing everything you need to get the machines on your network connected to the Internet over your SHDSL broadband connection. With features such as an SHDSL Quick-Start wizard and DHCP Server, you can be online in no time at all and with a minimum of fuss and configuration, catering for all users from first-time users to experienced users requiring advanced features and control over their Internet connection and network.

Features

SHDSL Multi-Mode Standard

The NB724 SHDSL router supports downstream and upstream transmission rates of up to 4.6Mbps. It also supports rate management that allows SHDSL subscribers to select an Internet access speed suiting their needs and budgets. The NB724 follows ITU standard PAM16 Line Code and complies with G.991.2 and G.994.1 standards. It also supports Annex A and B operating mode.

Fast Ethernet Switch

A 4-port 10/100Mbps fast Ethernet switch is built in with automatic switching between MDI and MDI-X for 10Base-T and 100Base-TX ports. An Ethernet straight or crossover cable can be used directly for auto detection.

Multi-Protocol to establish a connection

It supports PPPoA (RFC 2364 - PPP over ATM Adaptation Layer 5), RFC 1483 encapsulation over ATM (bridged or routed), PPP over Ethernet (RFC 2516), and IPoA (RFC1577) to establish a connection with the ISP. The product also supports VC-based and LLC-based multiplexing.

Quick Installation Wizard

It supports a WEB GUI page to install this device quickly. With this wizard, end users can enter the information easily which they get from their ISP, then surf the Internet immediately.

Universal Plug and Play (UPnP) and UPnP NAT Traversal

This protocol is used to enable simple and robust connectivity among stand-alone devices and PCs from many different vendors. It makes networking simple and affordable for users. UPnP architecture leverages TCP/IP and the Web to enable seamless proximity networking in addition to control and data transfer among networked devices. With this feature enabled, users can now connect to Net meeting or MSN Messenger seamlessly.

Network Address Translation (NAT)

Allows multi-users to access outside resources such as the Internet simultaneously with one IP address/one Internet access account. Many application layer gateway (ALG) are supported such as web browser, ICQ, FTP, Telnet, E-mail, News, Net2phone, Ping, NetMeeting, IP phone and others.

SOHO Firewall Security with DoS and SPI

Along with the built-in NAT natural firewall feature, the router also provides advanced hacker pattern-filtering protection. It can automatically detect and block Denial of Service (DoS) attacks. The router is built with Stateful Packet Inspection (SPI) to determine if a data packet is allowed through the firewall to the private LAN.

Domain Name System (DNS) relay

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Chapter 1: Introduction

It provides an easy way to map the domain name (a friendly name for users such as www.yahoo.com) and IP address. When a local machine sets its DNS server with this router’s IP address, every DNS conversion request packet from the PC to this router will be forwarded to the real DNS in the outside network.

Dynamic Domain Name System (DDNS)

The Dynamic DNS service allows you to alias a dynamic IP address to a static hostname. This dynamic IP address is the WAN IP address. For example, to use the service, you must first apply for an account from a DDNS service like http://www.dyndns.org/. More than 5 DDNS servers are supported.

Quality of Service (QoS) QoS gives you full control over which types of outgoing data traffic

should be given priority by the router, ensuring important data like gaming packets, customer information, or management information move through the router at lightning speed, even under heavy load. The QoS features are configurable by source IP address, destination IP address, protocol, and port. You can throttle the speed at which different types of outgoing data pass through the router, to ensure P2P users don’t saturate upload bandwidth, or office browsing doesn’t bring client web serving to a halt. In addition, or alternatively, you can simply change the priority of different types of upload data and let the router sort out the actual speeds.

Virtual Private Network (VPN)

It allows users to make a tunnel with a remote site directly to secure the data transmission among the connection. User can use embedded PPTP and L2TP client/server, IKE and IPSec which are supported by this router to make a VPN connection or users can run the PPTP client in PC and the router already provides IPSec and PPTP pass through function to establish a VPN connection if the user likes to run the PPTP client in his local computer.

Virtual Server (“port forwarding”)

Users can specify some services to be visible from outside users. The router can detect incoming service requests and forward either a single port or a range of ports to the specific local computer to handle it. For example, a user can assign a PC in the LAN acting as a WEB server inside and expose it to the outside network. Outside users can browse inside web servers directly while it is protected by NAT. A DMZ host setting is also provided to a local computer exposed to the outside network, Internet.

Rich Packet Filtering

Not only filters the packet based on IP address, but also based on Port numbers. It will filter packets from and to the Internet, and also provides a higher level of security control.

Dynamic Host Configuration Protocol (DHCP) client and server

In the WAN site, the DHCP client can get an IP address from the Internet Service Provider (ISP) automatically. In the LAN site, the DHCP server can allocate a range of client IP addresses and distribute them including IP address, subnet mask as well as DNS IP address to local computers. It provides an easy way to manage the local IP network.

Static and RIP1/2 Routing

It has routing capability and supports easy static routing table or RIP1/2 routing protocol.

Simple Network Management Protocol (SNMP)

It is an easy way to remotely manage the router via SNMP.

Web based GUI

It supports web based GUI for configuration and management. It is user-friendly and comes with on-line help. It also supports remote management capability for remote users to configure and manage this product.

Firmware Upgradeable

Device can be upgraded to the latest firmware through the WEB based GUI.

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Chapter 1: Introduction

Rich Management Interfaces

It supports flexible management interfaces with local console port, LAN port, and WAN port. Users can use terminal applications through the console port to configure and manage the device, or Telnet, WEB GUI, and SNMP through LAN or WAN ports to configure and manage the device.

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SHDSL VPN Router

Chapter 2: Installing the Router

Important note for using this router

Package Contents

SHDSL Router

CD-ROM containing the online manual

RJ-11 SHDSL / telephone Cable

Ethernet (CAT-5 LAN) Cable

Console (PS2-RS232) Cable AC-DC power adapter (12V DC, 1A)

9 Do not use this router in high humidity or high temperatures.

9 Do not use the same power source for this router as other

equipment.

9 Do not open or repair the case yourself. If this router is too hot,

turn off the power immediately and have it repaired at a qualified service center.

9 Avoid using this product and all accessories outdoors.

Warning

9 Place this router on a stable surface.

9 Only use the power adapter that comes with the package. Using

a different voltage rating power adaptor may damage this router.

ttention

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The Front LEDs of the NB724

LED Meaning

LINE 1 & 2

Lit when successfully connected to the SHDSL line and it is synchronized.

LAN Port

1X — 4X (RJ-45 connector)

Lit when connected to an Ethernet device. Green for 100Mbps; Orange for 10Mbps. Blinking when data is Transmitted / Received.

4 SYS Lit when the system is ready.

5 PWR Lit when power is ON.

2 3

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The Rear Ports of the NB724

Port Meaning

Power Switch

Power ON/OFF switch

PWR

Connect the supplied power adapter to this jack.

3 RESET

To be sure the device is being turned on Æ press RESET button for:

1-3 seconds: quick reset the device. 6 seconds above, and power off, power on the device: restore to

factory default settings. (Cannot login to the router or forgot your Username/Password. Press the button for more than 6 seconds).

Caution: After pressing the RESET button for more than 6 seconds, to be sure you power cycle the device again.

LAN

1X — 4X

(RJ-45 connector)

Connect an Ethernet cable (Cat-5 or Cat-5e) to one of the four LAN ports when connecting to a PC or an office/home network of 10Mbps or 100Mbps.

CONSOLE

Connect a PS2/RS-232 cable to this port when connecting to a PC’s RS-232 port (9-pin serial port).

LINE

1X — 2X (RJ-11 connector

Connect the supplied RJ-11 (“telephone”) cable to this port when connecting to SHDSL line.

2 3

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Chapter 2: Installing the Router

Cabling

One of the most common causes of problems is bad cabling or SHDSL line(s). Make sure that all connected devices are turned on. On the front of the product is a bank of LEDs. Verify that the LAN Link and SHDSL line LEDs are lit. If they are not, verify that you are using the proper cables.

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SHDSL VPN Router

Chapter 3: Basic Installation

Any TCP/IP capable workstation can be used to communicate with or through the router. To configure other types of workstations, please consult the manufacturer’s documentation.

Chapter 3: Basic Installation

The router can be configured with your web browser. A web browser is included as a standard application in the following operating systems: Linux, Mac OS, Windows 98/NT/2000/XP/Me, etc. The product provides an easy and user-friendly interface for configuration.

Please check your PC’s network components. The TCP/IP protocol stack and Ethernet network adapter must be installed. If not, please refer to your Windows-related or other operating system manuals.

There are ways to connect with the router, either through an external repeater hub to the router or directly connecting with PCs. You have to configure your PCs to obtain an IP address through a DHCP server or a fixed IP address that must be in the same subnet as the router. The default IP address of the router is

192.168.1.254 and the subnet mask is 255.255.255.0 (i.e. any attached PC must be in the same subnet, and have an IP address in the range of 192.168.1.1 to 192.168.1.253). The best and easiest way is to configure the PC to get an IP address automatically from the router using DHCP. If you encounter any problem accessing the router’s web interface it may also be advisable to uninstall any kind of software firewall on your PCs, as they can cause problems accessing the 192.168.1.254 IP address of the router. Users should make their own decisions on how to best protect their network.

Please follow the steps below for your PC’s network environment installation.

Connecting Your Router

1. Connect the Router to a LAN (Local Area Network) and the SHDSL LINE.

2. Power on the device.

3. Make sure the PWR and SYS LEDs are lit steadily and that the relevant LAN and LINE LED are lit.

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Chapter 3: Basic Installation

Configuring PCs in Window XP

1. Go to Start / Control Panel (in Classic View). In the Control Panel, double-click Network Connections.

2. Double-click Local Area Connection. (See Figure 3.1)

3. In the LAN Area Connection Status window, click Properties. (See Figure 3.2)

4. Select Internet Protocol (TCP/IP) and click Properties. (See Figure 3.3)

5. Select the Obtain an IP address automatically and Obtain DNS server address automatically radio buttons. (See Figure 3.4)

6. Click OK to finish the configuration.

Figure 3.1: LAN Area Connection

Figure 3.2: LAN Connection Status

Figure 3.3: TCP / IP

Figure 3.4: IP Address & DNS

Configuration

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Chapter 3: Basic Installation

Configuring PCs in Windows 2000

1. Go to Start / Settings / Control Panel. In the Control Panel,

double-click Network and Dial-up Connections.

2. Double-click Local Area (“LAN”) Connection. (See Figure

3.5)

3. In the LAN Area Connection Status window, click

Properties. (See Figure 3.6)

4. Select Internet Protocol (TCP/IP) and click Properties.

(See Figure 3.7)

5. Select the Obtain an IP address automatically and Obtain

DNS server address automatically radio buttons. (See Figure 3.8)

6. Click OK to finish the configuration.

Figure 3.5: LAN Area Connection

Figure 3.6: LAN Connection Status

Figure 3.7: TCP / IP

Figure 3.8: IP Address & DNS

Configuration

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Chapter 3: Basic Installation

Configuring PC in Windows 95/98/ME

1. Go to Start / Settings / Control Panel. In the Control Panel, double-click Network and choose the Configuration tab.

2. Select TCP / IP -> NE2000 Compatible, or the name of any Network Interface Card (NIC) in your PC. (See Figure 3.9)

3. Click Properties.

4. Select the IP Address tab. In this page, click the Obtain an IP address automatically radio button. (See Figure 3.10)

5. Then select the DNS Configuration tab. (See Figure 3.11)

6. Select the Disable DNS radio button and click OK to finish

the configuration.

Figure 3.9: TCP / IP

Figure 3.10: IP Address

Figure 3.11: DNS Configuration

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Chapter 3: Basic Installation

Configuring PC in Windows NT4.0

1. Go to Start / Settings / Control Panel. In the Control

Panel, double-click Network and choose the Protocols tab.

2. Select TCP/IP Protocol and click Properties. (See Figure

3.12)

3. Select the Obtain an IP address from a DHCP server radio

button and click OK. (See Figure 3.13)

Figure 3.12: TCP / IP

Figure 3.13: IP Address

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Chapter 3: Basic Installation

Factory Default Settings

Before configuring your NB724, you need to know the following default settings.

Web Interface (Username and Password)

Username: admin

Password: admin

The default username and password are “admin” and “admin” respectively.

Device LAN IP settings:

IP Address: 192.168.1.254

Subnet Mask: 255.255.255.0

ISP setting in WAN site:

PPPoE

DHCP server

DHCP server is enabled.

Start IP Address: 192.168.1.100

IP pool counts: 100

LAN and WAN Port Addresses

The parameters of LAN and WAN ports are pre-set in the factory. The default values are shown below.

LAN Port WAN Port

IP address

192.168.1.254

Subnet Mask

255.255.255.0

DHCP server function

Enabled

IP addresses for distribution to PCs

100 IP addresses continuing from

192.168.1.100 through 192.168.1.199

The PPPoE function is enabled

to automatically get the WAN port configuration from the ISP.

ttention

If you ever forget the username/password to login to the router, you may press the RESET button up to 6 seconds to restore the factory default settings.

Caution: After pressing the RESET button for more than 6 seconds, to be sure you power

cycle the device again.

ttention

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Chapter 3: Basic Installation

Information from your ISP

Before configuring this device, you have to check with your ISP (Internet Service Provider) to find out what kind of service is provided such as DHCP (Obtain an IP Address Automatically, Static IP (Fixed IP Address) and PPPoE.

Gather the information as illustrated in the following table and keep it for reference.

PPPoE

VPI/VCI, VC / LLC-based multiplexing, Username, Password, Service Name, and Domain Name System (DNS) IP address (it can be automatically assigned by your ISP when you connect or be set manually).

PPPoE / PPPoE with Pass-through

VPI/VCI, VC / LLC-based multiplexing, Username, Password, Service Name, and Domain Name System (DNS) IP address (it can be automatically assigned by your ISP when you connect or be set manually). In addition, additional WAN address can be assigned using PPPoE dialer.

PPPoA

VPI/VCI, VC / LLC-based multiplexing, Username, Password and Domain Name System (DNS) IP address (it can be automatically assigned by your ISP when you connect or be set manually).

RFC 1483 Bridged VPI/VCI, VC / LLC-based multiplexing to use Bridged Mode.

RFC 1483 Routed

VPI/VCI, VC / LLC-based multiplexing, IP address, Subnet mask, Gateway address, and Domain Name System (DNS) IP address (it is a fixed IP address).

IPoA Routed (IP over ATM)

VPI/VCI, VC / LLC-based multiplexing, IP address, Subnet mask, Gateway address, and Domain Name System (DNS) IP address (it is a fixed IP address).

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Chapter 3: Basic Installation

Configuring with your Web Browser

Open your web browser, enter the IP address of your router, which by default is 192.168.1.254, and click “Enter”, a user name and password window prompt will appear. The default username and password are “admin” and “admin” respectively. (See Figure 3.14)

Figure 3.14: User name & Password Prompt Window

Congratulations! You are now successfully logged on to the SHDSL Router!

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SHDSL VPN Router

Chapter 4: Configuration

At the configuration homepage, the left navigation pane where bookmarks are provided links you directly to the desired setup page, including:

Status

ARP Table

Routing Table

DHCP Table

PPTP Status

IPSec Status

L2TP Status

Email Status

Event Log

Error Log

NAT Sessions

Diagnostic

UPnP Portmap

Quick Start

Configuration

LAN

WAN

System

Firewall

VPN

QoS

Virtual Server

Time Schedule

Advanced

Save Config to FLASH

Language (provides user interface in English and French languages).

Logout

Please click the links to see the relevant sections of this manual for detailed instructions on how to configure the SHDSL VPN Router.

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Chapter 4: Configuration

Status

ARP Table

This section displays the router’s ARP (Address Resolution Protocol) Table, which shows the mapping of Internet (IP) addresses to Ethernet (MAC) addresses. This is useful as a quick way of determining the MAC address of the network interface of your PCs to use with the router’s Firewall – MAC Address

Filter function. See the Firewall section of this manual for more information on this feature.

IP Address: A list of IP addresses of devices on your LAN (Local Area Network).

MAC Address: The MAC (Media Access Control) addresses for each device on your LAN.

Interface: The interface name (on the router) that this IP Address connects to.

Static: Static status of the ARP table entry:

~ “no” for dynamically-generated ARP table entries

~ “yes” for static ARP table entries added by the user

Routing Table

Valid: It indicates a successful routing status.

Destination: The IP address of the destination network.

Netmask: The destination netmask address.

Gateway/Interface: The IP address of the gateway or existing interface that this route will use.

Cost: The number of hops counted as the cost of the route.

RIP Routing Table

Destination: The IP address of the destination network.

Netmask: The destination netmask address.

Gateway: The IP address of the gateway that this route will use.

Cost: The number of hops counted as the cost of the route.

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Chapter 4: Configuration

DHCP Table

Leased: The DHCP assigned IP addresses information.

IP Address: A list of IP addresses of devices on your LAN (Local Area Network).

Expired: The expired IP addresses information.

Permanent: The fixed host mapping information

Leased Table

IP Address: The IP address that assigned to client.

MAC Address: The MAC address of client.

Client Host Name: The Host Name (Computer Name) of client.

Expiry: The current lease time of client.

Expired Table

Please refer the Leased Table.

Permanent Table

Name: The name you assigned to the Permanent configuration.

IP Address: The fixed IP address for the specify client.

MAC Address: The MAC Address that you want to assign the fixed IP address

Maximum Lease Time: The maximum lease time interval you allow to clients.

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Chapter 4: Configuration

PPTP Status

This shows details of your configured PPTP VPN Connections.

Name: The name you assigned to the particular PPTP connection in your VPN configuration.

Type: The type of connection (dial-in/dial-out).

Enable: Whether the connection is currently enabled.

Active: Whether the connection is currently active.

Tunnel Connected: Whether the VPN Tunnel is currently connected.

Call Connected: If the Call for this VPN entry is currently connected.

Encryption: The encryption type used for this VPN connection.

IPSec Status

This shows details of your configured IPSec VPN Connections.

Name: The name you assigned to the particular VPN entry.

Active: Whether the VPN Connection is currently active.

Connection State: Whether the VPN is Connected or Disconnected.

Statistics: Statistics for this VPN Connection.

Local Subnet: The local IP Address or Subnet used.

Remote Subnet: The Subnet of the remote site.

Remote Gateway: The Remote Gateway IP address.

SA: The Security Association for this VPN entry.

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Chapter 4: Configuration

L2TP Status

This shows details of your configured L2TP VPN Connections.

Name: The name you assigned to the particular L2TP connection in your VPN configuration.

Type: The type of connection (dial-in/dial-out).

Enable: Whether the connection is currently enabled.

Active: Whether the connection is currently active.

Tunnel Connected: Whether the VPN Tunnel is currently connected.

Call Connected: If the Call for this VPN entry is currently connected.

Encryption: The encryption type used for this VPN connection.

Email Status

Details and status for the Email Account you have configured the router to check. Please see the Advanced section of this manual for details on this function.

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Chapter 4: Configuration

Event Log

This page displays the router’s Event Log entries. Major events are logged to this window, such as when the router’s SHDSL connection is disconnected, as well as Firewall events when you have enabled Intrusion or Blocking Logging in the Configuration – Firewall section of the interface. Please see the

Firewall section of this manual for more details on how to enable Firewall logging.

Error Log

Any errors encountered by the router (e.g. invalid names given to entries) are logged to this window.

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Chapter 4: Configuration

NAT Sessions

This section lists all current NAT sessions between interface of types external (WAN) and internal (LAN).

Diagnostic

It tests the connection to computer(s) which is connected to LAN ports and also the WAN Internet connection. If PING

www.google.com is shown FAIL and the rest is PASS, you ought to check your

PC’s DNS settings is set correctly.

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Chapter 4: Configuration

UPnP Portmap

The section lists all port-mapping established using UPnP (Universal Plug and Play). Please see the Advanced section of this manual for more details on UPnP and the router’s UPnP configuration options.

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Chapter 4: Configuration

Quick Start

For detailed instructions on configuring your WAN settings, please see the WAN section of this manual.

Usually, the only details you will need for the Quick Start wizard to get you online are your login (often in

the form of username@ispname), your password and the encapsulation type. In additional, you have

the option to provide specific DNS as your desire, or check the Enable box to get the DNS automatically from your ISP.

Your ISP will be able to supply all the details you need, alternatively, if you have deleted the current WAN Connection in the WAN – ISP section of the interface, you can use the router’s PVC Scan feature to attempt to determine the Encapsulation types offered by your ISP.

Click Start to begin scanning for encapsulation types offered by your ISP. If the scan is successful you will then be presented with a list of supported options:

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Chapter 4: Configuration

Select the desired option from the list and click Apply to return to the Quick Start interface to continue configuring your ISP connection. Please note that the contents of this list will vary, depending on what is supported by your ISP.

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Chapter 4: Configuration

Configuration

When you click this item, you get following sub-items to configure your router.

LAN, WAN, System, Firewall, VPN, QoS, Virtual Server, Time Schedule and Advanced

These functions are described below in the following sections.

LAN (Local Area Network)

Here are the items within LAN section: Bridge Interface, Ethernet, IP Alias, Ethernet Client Filter, Port

Settings and DHCP Server.

Bridge Interface

You can setup member ports for each VLAN group under Bridge Interface section. From the example, two VLAN groups need to be created.

Ethernet: P1 (Port 1)

Ethernet1: P2, P3 and P4 (Port 2, 3, 4). Uncheck P2, P3, P4 from Ethernet VLAN port first.

Note: You should setup each VLAN group with caution. Each Bridge Interface is arranged in this order.

Bridge Interface VLAN Port (Always starts with)

Ethernet P1 / P2 / P3 / P4 Ethernet1 P2 / P3 / P4 Ethernet2 P3 / P4 Ethernet3 P4

Management Interface: To specify which VLAN group has possibility to do device management, like doing web management.

Note: NAT/NAPT can be applied to management interface only.

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Chapter 4: Configuration

Ethernet

Primary IP Address

IP Address: The default IP on this router.

SubNetmask: The default subnet mask on this router.

RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.

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Chapter 4: Configuration

IP Alias

This function supports to create multiple virtual IP interfaces on this router. It helps to connect two or more local networks to the ISP or remote node. In this case, an internal router is not required.

IP Address: Specify an IP address on this virtual interface.

SubNetmask: Specify a subnet mask on this virtual interface.

Security Interface: Specify the firewall setting on this virtual interface.

Internal: The network is behind NAT. All traffic will do network address translation when sending out to

Internet if NAT is enabled.

External: There is no NAT on this IP interface and connected to the Internet directly. Mostly it will be used when providing multiple public IP addresses by ISP. In this case, you can use public IP address in local network which gateway IP address point to the IP address on this interface.

DMZ: Specify this network to DMZ area. There is no NAT on this interface.

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Ethernet Client Filter

The Ethernet Client Filter supports up to 16 Ethernet network machines that helps you to manage your network control to accept traffic from specific authorized machines or can restrict unwanted machine(s) to access your LAN.

There are no pre-define Ethernet MAC address filter rules; you can add the filter rules to meet your requirements.

Ethernet Client Filter: Default setting is set to Disable.

~ Allowed: check to authorize specific devices accessing your LAN by insert the MAC Address in the space provided or click

. Make sure your PC’s MAC is listed.

~ Blocked: check to prevent unwanted devices accessing your LAN by insert the MAC Address in the space provided or click

. Make sure your PC’s MAC is not listed.

The maximum number of clients is 16. The MAC addresses are 6 bytes long; they are presented only in hexadecimal characters. The number 0 - 9 and letters a - f are acceptable.

Note: Follow the MAC Address Format xx:xx:xx:xx:xx:xx. Semicolon ( : ) must be included.

Candidates: automatically detects devices connected to the router through the Ethernet. .

→ Active PC in LAN

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Active PC in LAN displays a list of individual Ethernet device’s IP Address & MAC Address which are connecting to the router.

You can easily block or allow by checking the box next to the IP address. Then click Add to insert to the Ethernet Client Filter table. The maximum number of Ethernet clients is 16.

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Port Setting

This section allows you to configure the settings for the router’s Ethernet ports to solve some of the compatibility problems that may be encountered while connecting to the Internet, as well as allowing users to tweak the performance of their network.

Port # Connection Type: Six options to choose from: Auto, 10M half-duplex, 10M full-duplex, 100M half-duplex, 100M full-duplex and Disable. Sometimes, there are Ethernet compatibility problems with legacy Ethernet devices, and you can configure different types to solve compatibility issues. The default is Auto, which users should keep unless there are specific problems with PCs not being able to access your LAN.

IPv4 TOS priority Control (Advanced users): TOS, Type of Services, is the 2

octet of an IP packet.

Bits 6-7 of this octet are reserved and bit 0-5 are used to specify the priority of the packet.

This feature uses bits 0-5 to classify the packet’s priority. If the packet is high priority, it will flow first and will not be constrained by the Rate Limit. Therefore, when this feature is enabled, the router’s Ethernet switch will check the 2

octet of each IP packet. If the value in the TOS field matches the checked values

in the table (0 to 63), this packet will be treated as high priority.

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DHCP Server

You can disable or enable the DHCP (Dynamic Host Configuration Protocol) server or enable the router’s DHCP relay functions. The DHCP protocol allows your router to dynamically assign IP addresses to PCs on your network if they are configured to obtain IP addresses automatically.

To disable the router’s DHCP Server, check Disabled and click Next, then click Apply. When the DHCP Server is disabled you will need to manually assign a fixed IP address to each PC on your network, and set the default gateway for each PC to the IP address of the router (by default this is 192.168.1.254).

To configure the router’s DHCP Server, check DHCP Server and click Next. You can then configure parameters of the DHCP Server including the IP pool (starting IP address and ending IP address to be allocated to PCs on your network), lease time for each assigned IP address (the period of time the IP address assigned will be valid), DNS IP address and the gateway IP address. These details are sent to the DHCP client (i.e. your PC) when it requests an IP address from the DHCP server. Click Apply to enable this function. If you check “Use Router as a DNS Server”, the Router will perform the domain name lookup, find the IP address from the outside network automatically and forward it back to the requesting PC in the LAN (your Local Area Network).

If you check DHCP Relay Agent and click Next, then you will have to enter the IP address of the DHCP server which will assign an IP address back to the DHCP client in the LAN. Use this function only if advised to do so by your network administrator or ISP.

Click Apply to enable this function.

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WAN - Wide Area Network

WAN refers to your Wide Area Network connection, i.e. your router’s connection to your ISP and the Internet. Here are the items within the WAN section: ISP, DNS and SHDSL.

ISP

The factory default is PPPoE. If your ISP uses this access protocol, click Edit to input other parameters as below. If your ISP does not use PPPoE, you can change the default WAN connection entry by clicking Change.

Some of ISP may provide more service via different WAN connection. In case, you can create more connections by clicking Create. The device can support maximum up to 8 WAN connections.

Note: The application of multiple WAN connections is depend on your Service Provider.

A simpler alternative is to select Quick Start from the main menu on the left. Please see the Quick Start section of the manual for more information.

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RFC 1483 Routed Connections

Description: User-definable name for the connection.

VPI and VCI: Enter the information provided by your ISP.

ATM Class: The Quality of Service for ATM layer.

NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through

a single IP account, sharing the single IP address. If users on your LAN have public IP addresses and can access the Internet directly, the NAT function can be disabled.

Encapsulation method: Selects the encapsulation format, the default is LLC Bridged. Select the one provided by your ISP.

IP Assignment

~ Obtain an IP address automatically via DHCP client: specify if the Router can get an IP address from the ISP (Internet Service Provider) automatically.

~ Use the following IP Address: Specify the IP address manually; the IP should be given by you

our ISP.

RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.

MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)

that IP will attempt to send through the interface.

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RFC 1483 Bridged Connections

Description: User-definable name for the connection.

VPI and VCI: Enter the information provided by your ISP.

ATM Class: The Quality of Service for ATM layer.

Encapsulation method: Select the encapsulation format, this is provided by your ISP.

Acceptable Frame Type: Specify what kind of traffic can through this connection, all traffic or only VLAN

tagged.

Filter Type: Specify the type of ethernet filtering performed by the named bridge interface.

All

Allows all types of ethernet packets through the port.

Allows only IP/ARP types of ethernet packets through the port.

Pppoe

Allows only PPPoE types of ethernet packets through the port.

PVID for Untagged Frames: PVID is known as Port VLAN Identifier. When an untagged packet is received by input port(s), this packet will be tagged with specified PVID. The valid value range for PVID is 1~4094.

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PPPoA Routed Connections

Description: User-definable name for the connection.

VPI/VCI: Enter the information provided by your ISP.

ATM Class: The Quality of Service for ATM layer.

NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through

a single IP account, sharing a single IP address. If users on your LAN have public IP addresses and can access the Internet directly, the NAT function can be disabled.

Username: Enter the username provided by your ISP. You can input up to 128 alphanumeric characters (case sensitive). This will usually be in the format of “username@ispname” instead of simply “username”.

Password: Enter the password provided by your ISP. You can input up to 128 alphanumeric characters (case sensitive).

IP Address: Specify an IP address allowed to logon and access the router’s web server.

Note: Note: IP 0.0.0.0 indicates automatically obtain IP address from ISP.

Authentication Protocol Type: Default is Chap (Auto). Your ISP will advise you whether to use Chap or

Pap.

Connection:

~ Always on: If you want the router to establish a PPPoA session when starting up and to automatically re-establish the PPPoA session when disconnected by the ISP.

~ Connect on Demand: If you want to establish a PPPoA session only when there is a packet requesting access to the Internet (i.e. when a program on your computer attempts to access the Internet).

Idle Timeout: Auto-disconnect the broadband firewall gateway when there is no activity on the line for a predetermined period of time.

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~ Detail: You can define the destination port and packet type (TCP/UDP) without checking by timer. It allows you to set which outgoing traffic will not trigger and reset the idle timer.

RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.

MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)

that IP will attempt to send through the interface.

Advanced Options (PPPoA)

LLC Header: Selects encapsulation mode, true for using LLC or false for using VC-Mux.

Create Route: This setting specifies whether a route is added to the system after IPCP (Internet Protocol

Control Protocol) negotiation is completed. If set to enabled, a route will be created which directs packets

to the remote end of the PPP link.

Specific Route: Specifies whether the route created when a PPP link comes up is a specific or default

route. If set to enabled, the route created will only apply to packets for the subnet at the remote end of the

PPP link. The address of this subnet is obtained during IPCP negotiation.

Subnet Mask: sets the subnet mask used for the local IP interface connected to the PPP transport. If the

value 0.0.0.0 is supplied, the netmask will be calculated from the class of the IP address obtained during

IPCP negotiation.

Route Mask: Sets the subnet mask used by the route that is created when a PPP link comes up. If it is

set to 0.0.0.0, the subnet mask is determined by the IP address of the remote end of the link. The class of

the IP address is obtained during IPCP (Internet Protocol Control Protocol) negotiation.

MRU: Maximum Receive Unit. This is negotiated during the LCP protocol stage.

Discover Primary / Secondary DNS: This setting enables/disables whether the primary/secondary DNS

server address is requested from a remote PPP peer using IPCP. The default setting for this command is

enabled.

Give DNS to Relay: Controls whether the PPP Internet Protocol Control Protocol (IPCP) can request the

DNS server IP address for a remote PPP peer. Once IPCP has discovered the DNS server IP address, it automatically gives the address to the local DNS relay so that a connection can be established.

Give DNS to Client: Controls whether the PPP Internet Protocol Control Protocol (IPCP) can equest a DNS server IP address for a remote PPP peer. Once IPCP has discovered the DNS server IP address, it automatically gives the address to the local DNS client so that a connection can be established.

Give DNS to DHCP Server: Similar to the above, but gives the DNS server address to the DHCP server.

Discover Primary NBNS / Discover Secondary NBNS: This setting enables/disables whether the

primary/secondary NBNS server address is requested from a remote PPP peer using IPCP. The default setting for this command is disabled.

Discover Subnet Mask: Specifies if the subnet mask given by IPCP negotiation process is to be used.

Give Subnet Mask To DHCP Server: Enable to change your DHCP Server settings by using the given

information in IPCP negotiation process.

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IPoA Routed Connections

Description: User-definable name for the connection.

VPI/VCI: Enter the information provided by your ISP.

ATM Class: The Quality of Service for ATM layer.

NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through

a single IP account, sharing a single IP address. If users on your LAN have public IP addresses and can access the Internet directly, the NAT function can be disabled.

IP Assignment

~ Obtain an IP address automatically via DHCP client: specify if the Router can get an IP address from the ISP (Internet Service Provider) automatically.

~ Use the following IP Address: Specify the IP address manually; the IP should be given by you

our ISP.

RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.

MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)

that IP will attempt to send through the interface.

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PPPoE Connections

Description: User-definable name for this connection.

VPI/VCI: Enter the information provided by your ISP.

ATM Class: The Quality of Service for ATM layer.

NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through

a single ISP account, sharing a single IP address. If users on your LAN have public IP addresses and can access the Internet directly, the NAT function can be disabled.

Password: Enter the password provided by your ISP. You can input up to 128 alphanumeric characters (case sensitive).

Service Name: This item is for identification purposes. If it is required, your ISP will provide you the information. Maximum input is 20 alphanumeric characters.

IP Address: specify if the Router can get an IP address from the Internet Server Provider (ISP) automatically or not. Please click Obtain an IP address automatically via DHCP client to enable the DHCP client function or click Specify an IP address to disable the DHCP client function, and specify the IP address manually. The setting of this item is specified by your ISP.

Authentication Protocol: Default is Chap(Auto). Your ISP will advise you whether to use Chap or Pap.

Connection

~ Always on: If you want the router to establish a PPPoE session when starting up and to automatically re-establish the PPPoE session when disconnected by the ISP.

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~ Connect on Demand: If you want to establish a PPPoE session only when there is a packet requesting access to the Internet (i.e. when a program on your computer attempts to access the Internet).

Idle Timeout: Auto-disconnect the broadband firewall gateway when there is no activity on the line for a

predetermined period of time.

~ Detail: You can define the destination port and packet type (TCP/UDP) without checking by timer. It allows you to set which outgoing traffic will not trigger and reset the idle timer.

RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.

MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)

that IP will attempt to send through the interface.

Advanced Options (PPPoE)

LLC Header: Selects encapsulation mode, true for using LLC or false for using VC-Mux.

Create Route: This setting specifies whether a route is added to the system after IPCP (Internet Protocol

Control Protocol) negotiation is completed. If set to enabled, a route will be created which directs packets

to the remote end of the PPP link.

Specific Route: Specifies whether the route created when a PPP link comes up is a specific or default

route. If set to enabled, the route created will only apply to packets for the subnet at the remote end of the

PPP link. The address of this subnet is obtained during IPCP negotiation.

Subnet Mask: sets the subnet mask used for the local IP interface connected to the PPP transport. If the

value 0.0.0.0 is supplied, the netmask will be calculated from the class of the IP address obtained during

IPCP negotiation.

Route Mask: Sets the subnet mask used by the route that is created when a PPP link comes up. If it is

set to 0.0.0.0, the subnet mask is determined by the IP address of the remote end of the link. The class of

the IP address is obtained during IPCP (Internet Protocol Control Protocol) negotiation.

MRU: Maximum Receive Unit. This is negotiated during the LCP protocol stage.

Discover Primary / Secondary DNS: This setting enables/disables whether the primary/secondary DNS

server address is requested from a remote PPP peer using IPCP. The default setting for this command is

enabled.

Give DNS to Relay: Controls whether the PPP Internet Protocol Control Protocol (IPCP) can request the

DNS server IP address for a remote PPP peer. Once IPCP has discovered the DNS server IP address, it automatically gives the address to the local DNS relay so that a connection can be established.

Give DNS to Client: Controls whether the PPP Internet Protocol Control Protocol (IPCP) can request a DNS server IP address for a remote PPP peer. Once IPCP has discovered the DNS server IP address, it automatically gives the address to the local DNS client so that a connection can be established.

Give DNS to DHCP Server: Similar to the above, but gives the DNS server address to the DHCP server.

Discover Primary NBNS / Discover Secondary NBNS: This setting enables/disables whether the

primary/secondary NBNS server address is requested from a remote PPP peer using IPCP. The default setting for this command is disabled.

Discover Subnet Mask: Specifies if the subnet mask given by IPCP negotiation process is to be used.

Give Subnet Mask To DHCP Server: Enable to change your DHCP Server settings by using the given

information in IPCP negotiation process.

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PPPoE with Pass-through Connections

PPPoE with pass-through adapts the following method: PPPoE Routed mode + 1483 Bridge Mode. With pure PPPoE connection, the router can get one WAN address to the router. With the PPPoE and PPPoE pass-through, concurrently, it allows user to have a WAN address assigned to the router but also able to get another WAN IP from ISP using PPPoE dialer (e.g WinPoETor Windows XP PPPoE Dialer) at the same time.

Description: User-definable name for this connection.

VPI/VCI: Enter the information provided by your ISP.

ATM Class: The Quality of Service for ATM layer.

NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through

a single ISP account, sharing a single IP address. If users on your LAN have public IP addresses and can access the Internet directly, the NAT function can be disabled.

Password: Enter the password provided by your ISP. You can input up to 128 alphanumeric characters (case sensitive).

Service Name: This item is for identification purposes. If it is required, your ISP will provide you the information. Maximum input is 20 alphanumeric characters.

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Authentication Protocol: Default is Chap(Auto). Your ISP will advise you whether to use Chap or Pap.

Connection:

~ Always on: If you want the router to establish a PPPoE session when starting up and to automatically re-establish the PPPoE session when disconnected by the ISP.

~ Connect on Demand: If you want to establish a PPPoE session only when there is a packet requesting access to the Internet (i.e. when a program on your computer attempts to access the Internet).

Idle Timeout: Auto-disconnect the broadband firewall gateway when there is no activity on the line for a

predetermined period of time.

~ Detail: You can define the destination port and packet type (TCP/UDP) without checking by timer. It allows you to set which outgoing traffic will not trigger and reset the idle timer.

RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.

MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)

that IP will attempt to send through the interface.

Advanced Options (PPPoE)

LLC Header: Selects encapsulation mode, true for using LLC or false for using VC-Mux.

Create Route: This setting specifies whether a route is added to the system after IPCP (Internet Protocol

Control Protocol) negotiation is completed. If set to enabled, a route will be created which directs packets

to the remote end of the PPP link.

Specific Route: Specifies whether the route created when a PPP link comes up is a specific or default

route. If set to enabled, the route created will only apply to packets for the subnet at the remote end of the

PPP link. The address of this subnet is obtained during IPCP negotiation.

Subnet Mask: sets the subnet mask used for the local IP interface connected to the PPP transport. If the

value 0.0.0.0 is supplied, the netmask will be calculated from the class of the IP address obtained during

IPCP negotiation.

Route Mask: Sets the subnet mask used by the route that is created when a PPP link comes up. If it is

set to 0.0.0.0, the subnet mask is determined by the IP address of the remote end of the link. The class of

the IP address is obtained during IPCP (Internet Protocol Control Protocol) negotiation.

MRU: Maximum Receive Unit. This is negotiated during the LCP protocol stage.

Discover Primary / Secondary DNS: This setting enables/disables whether the primary/secondary DNS

server address is requested from a remote PPP peer using IPCP. The default setting for this command is

enabled.

Give DNS to Relay: Controls whether the PPP Internet Protocol Control Protocol (IPCP) can request the

DNS server IP address for a remote PPP peer. Once IPCP has discovered the DNS server IP address, it automatically gives the address to the local DNS relay so that a connection can be established.

Give DNS to DHCP Server: Similar to the above, but gives the DNS server address to the DHCP server.

Discover Primary NBNS / Discover Secondary NBNS: This setting enables/disables whether the

primary/secondary NBNS server address is requested from a remote PPP peer using IPCP. The default setting for this command is disabled.

Discover Subnet Mask: Specifies if the subnet mask given by IPCP negotiation process is to be used.

Give Subnet Mask To DHCP Server: Enable to change your DHCP Server settings by using the given

information in IPCP negotiation process.

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DNS

A Domain Name System (DNS) contains a mapping table for domain name and IP addresses. On the Internet, every host has a unique and user-friendly name (domain name) such as www.helloworld.com

and an IP address. An IP address is a 32-bit number in the form of xxx.xxx.xxx.xxx, for example

192.168.1.254. You can think of an IP address as a telephone number for devices on the Internet, and the

DNS will allow you to find the telephone number for any particular domain name. As an IP Address is hard to remember, the DNS converts the friendly name into its equivalent IP Address.

You can obtain a Domain Name System (DNS) IP address automatically if your ISP has provided it when you logon, check the Enable box. Usually when you choose PPPoE or PPPoA as your WAN - ISP protocol, the ISP will provide the DNS IP address automatically. You may leave the configuration field blank.

Alternatively, your ISP may provide you with an IP address of their DNS. If this is the case, you must enter the DNS IP address manually.

If you choose one of the other three protocols ─ RFC1483 Routed/Bridged and IPoA check with your ISP, it may provide you with an IP address for their DNS server. You must enter the DNS IP address if you set the DNS of your PC to the LAN IP address of this router.

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SHDSL

4-wired Mode

2-wired Mode

4-Wired Connection: NB724 supports either 2-wire and 4-wires SHDSL connection. Activate the device to 4-wired by enabling the function; otherwise, disable it to be used as 2-wire mode connection.

Note: When select 2-wired mode, only Port 1 settings need to be configured and the SHDSL (RJ-11 cable) must

be connected to LINE 1

on the back of the device.

Mode: The SHDSL device can function as a CPE (Customer Premises Equipment) or CO (Central Office). Select CPE mode when the NB724 is connecting to your ISP.

Back – to –back: it is a direct connection between two SHDSL devices which one is set to CPE and the other is CO by using a standard RJ-11 telephone cable.

Annex Type: It is the DSL operating mode standard. Select Annex A or Annex B to support up to

4.6Mpbs (for 4-wired mode). Select other annex such as Annex B_ANFP / Annex A_B_ANFP, you may

consult with your ISP first.

Back – to –back: to be sure the Annex type is the same on the NB724 and the remote router.

Bit Rate Mode: The mode selections are Adaptive and Fixed. Selecting the Adaptive mode, the best connection rate will be automatically negotiated with the CO / ISP. Selecting the Fixed mode, the connection rate will be fixed to the specific fixed bit rate selected with the CO / ISP.

Fixed Bit Rate: Specify the fix transfer rate when Fixed Mode is selected. Specify the maximum transfer rate when Adaptive Mode is selected. Bit Rate range is from 72kbps ~ 2368kbps.

Activate Line: Line active true is set by default. Select false to disable and true to enable SHDSL connection

Note: Once Active Line is selected as false, you must enable the Active Line to true again and click Apply button to reactivate SHDSL connection.

DSP Firmware Version: Display the SHDSL line code firmware version.

Connected: Display current SHDSL line sync status.

State: Display current SHDSL line status.

Bit Rate: Display SHDSL line synch speed rate.

Click Apply button to apply your changes

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System

Here are items within the System section: Time Zone, Remote Access, Firmware Upgrade,

Backup/Restore, Restart and User Management.

Time Zone

The router does not have a real time clock on board; instead, it uses the Simple Network Time Protocol (SNTP) to get the current time from an SNTP server outside your network. Choose your local time zone, click Enable and click the Apply button. After successful connection to the Internet, the router will retrieve the correct local time from the SNTP server you have specified. If you prefer to specify an SNTP server other than those in the list, simply enter its IP address as shown above. Your ISP may provide an SNTP server for you to use.

Daylight Saving is also known as Summer Time Period. Many places in the world adapt it during

summer time to move one hour of daylight from morning to the evening in local standard time. Check

Automatic box to auto set your local time.

Resync Period (in minutes) is the periodic interval the router will wait before it re-synchronizes the

router’s time with that of the specified SNTP server. In order to avoid unnecessarily increasing the load on your specified SNTP server you should keep the poll interval as high as possible – at the absolute minimum every few hours or even days.

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Remote Access

To temporarily permit remote administration of the router (i.e. from outside your LAN), select a time period the router will permit remote access for and click Enable. You may change other configuration options for the web administration interface using Device Management options in the Advanced section of the GUI.

If you wish to permanently enable remote access, choose a time period of 0

minutes.

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DO NOT power down the router or interrupt the firmware upgrading while it is still in process. Improper operation could damage the router.

Firmware Upgrade

Your router’s “firmware” is the software that allows it to operate and provides all its functionality. Think of your router as a dedicated computer, and the firmware as the software it runs. Over time this software may be improved and modified, and your router allows you to upgrade the software it runs to take advantage of these changes.

Clicking on Browse will allow you to select the new firmware image file you have downloaded to your PC. Once the correct file is selected, click Upgrade to update the firmware in your router.

Warning

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Backup / Restore

These functions allow you to save and backup your router’s current settings to a file on your PC, or to restore a previously saved backup. This is useful if you wish to experiment with different settings, knowing that you have a backup handy in the case of any mistakes. It is advisable to backup your router’s settings before making any significant changes to your router’s configuration.

Press Backup to select where on your local PC to save the settings file. You may also change the name of the file when saving if you wish to keep multiple backups.

Press Browse to select a file from your PC to restore. You should only restore settings files that have been generated by the Backup function, and that were created when using the current version of the router’s firmware. Settings files saved to your PC should not be manually edited in any way.

After selecting the settings file you wish to use, pressing Restore will load those settings into the router.

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Restart Router

Click Restart with option Current Settings to reboot your router (and restore your last saved configuration).

If you wish to restart the router using the factory default settings (for example, after a firmware upgrade or

if you have saved an incorrect configuration), select Factory Default Settings to reset to factory default

settings.

You may also hardware reset your router to factory settings by holding the RESET

pinhole button on the

back panel of the router for more than 6 seconds whilst the router is turned on.

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User Management

In order to prevent unauthorized access to your router’s configuration interface, it requires all users to login with a password. You can set up multiple user accounts, each with their own password.

You are able to Edit existing users and Create new users who are able to access the device’s configuration interface. Once you have clicked on Edit, you are shown the following options:

You can change the user’s password, whether their account is active and Valid, as well as add a comment to each user account. These options are the same when creating a user account, with the exception that once created you cannot change the username. You cannot delete the default admin account; however, you can delete any other created accounts by clicking Delete when editing the user.

You are strongly advised to change the password on the default “admin” account when you receive your router, and any time you reset your configuration to Factory Defaults.

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When using Virtual Servers your PCs will be exposed to the degree specified in your Virtual Server settings provided the ports specified are opened in your firewall packet filter settings.

Firewall and Access Control

Your router includes a full SPI (Stateful Packet Inspection) firewall for controlling Internet access from your LAN, as well as helping to prevent attacks from hackers. In addition to this, when using NAT, the router acts as a “natural” Internet firewall, as all PCs on your LAN will use private IP addresses that cannot be directly accessed from the Internet.

Firewall: Prevents access from outside your network. The router provides three levels of security support:

NAT natural firewall: This masks LAN users’ IP addresses which is invisible to outside users on the Internet, making it much more difficult for a hacker to target a machine on your network. This natural firewall is on when NAT function is enabled.

Firewall Security and Policy (General Settings): Inbound direction of Packet Filter rules to prevent unauthorized computers or applications accessing your local network from the Internet.

Intrusion Detection: Enable Intrusion Detection to detect, prevent and log malicious attacks.

Access Control: Prevents access from PCs on your local network:

Firewall Security and Policy (General Settings): Outbound direction of Packet Filter rules to prevent

unauthorized computers or applications accessing the Internet.

URL Filter: To block PCs on your local network from unwanted websites.

Here are items under the Firewall section: General Settings, Packet Filter, Intrusion Detection, URL

Filter, IM/P2P Blocking and Firewall Log.

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General Settings

You can choose not to enable Firewall, you will not be able to add filter rules by yourself in the Packet Filter, or enable the Firewall using preset filter rules and modify the packet filter rules as required. The Packet Filter is used to filter packets based-on Applications (Port) or IP addresses.

There are four options when you enable the Firewall, they are:

~ All blocked/User-defined: no pre-defined port or address filter rules by default, meaning that

all inbound (Internet to LAN) and outbound (LAN to Internet) packets will be blocked. Users have to add their own filter rules for further access to the Internet.

~ High/Medium/Low security level: the predefined port filter rules for High, Medium and Low

security are displayed in Port Filters of Packet Filter.

Select either High, Medium or Low security level to enable the Firewall. The only difference between these three security levels is the preset port filter rules in the Packet Filter. Firewall functionality is the same for all levels; it is only the list of preset port filters that changes between each setting. For more detailed on level of preset port filter information, refer to Table 1: Predefined Port Filter.

Note: The changes or added custom filters on a previous security level will be remembered whenever newer security level is selected. There is no need to reconfigure all settings again if switching back to the previous level.

The “Block WAN Request” is a stand-alone function and not relate to whether security enable or disable. Mostly it is for preventing any scan tools from WAN site by hacker.

Any remote user who is attempting to perform this action may result in blocking all the accesses to configure and manage of the device from the Internet.

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Packet Filter

This function is only available when the Firewall is enabled and one of these four security levels is chosen (All blocked, High, Medium and Low). The predefined port filter rules in the Packet Filter must modify accordingly to the level of Firewall, which is selected. See Table1: Predefined Port Filter for more detailed information.

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Example: Predefined Port Filters Rules

The predefined port filter rules for High, Medium and Low security levels are listed. See Table 1.

Note: Firewall – All Blocked/User-defined, you must define and create the port filter rules yourself. No predefined rule is being preconfigured.

Table 1: Predefined Port Filter

Port Number Firewall - Low Firewall - Medium Firewall – High

Application Protocol

Start End Inbound Outbound Inbound Outbound Inbound Outbound

HTTP(80) TCP(6) 80 80 NO YES NO YES NO YES

DNS (53) UDP(17) 53 53 NO YES NO YES NO YES

DNS (53) TCP(6) 53 53 NO YES NO YES NO YES

FTP(21) TCP(6) 21 21 NO YES NO YES NO NO

Telnet(23) TCP(6) 23 23 NO YES NO YES NO NO

SMTP(25) TCP(6) 25 25 NO YES NO YES NO YES

POP3(110) TCP(6) 110 110 NO YES NO YES NO YES

NEWS(NNTP)

(Network News Transfer Protocol)

TCP(6) 119 119 NO YES NO YES NO NO

RealAudio/

RealVideo

(7070)

UDP(17)

7070 7070 YES YES YES YES NO NO

PING ICMP(1) N/A N/A NO YES NO YES NO YES

H.323(1720) TCP(6) 1720 1720 YES YES NO YES NO NO

T.120(1503) TCP(6) 1503 1503 YES YES NO YES NO NO

SSH(22) TCP(6) 22 22 NO YES NO YES NO NO

NTP /SNTP (123)

UDP(17)

123 123 NO YES NO YES NO YES

HTTP/HTTP

Proxy

(8080)

TCP(6)

8080 8080 NO YES NO YES N/A N/A

HTTPS(443) TCP(6) 443 443 NO YES NO YES N/A N/A

ICQ (5190) TCP(6) 5190 5190 YES YES N/A N/A N/A N/A

MSN (1863) TCP(6) 1863 1863 YES YES N/A N/A N/A N/A

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MSN (7001) UDP(17) 7001 7001 YES YES N/A N/A N/A N/A

MSN VEDIO

(9000)

TCP(6)

9000 9000 NO YES N/A N/A N/A N/A

Inbound: Internet to LAN ; Outbound: LAN to Internet. YES: Allowed ; NO: Blocked ; N/A: Not Applicable

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Packet Filter – Add TCP/UDP Filter

Rule Name: Users-define description to identify this entry or click

to select existing

predefined rules. The maximum name length is 32 characters.

Time Schedule: It is self-defined time period. You may specify a time schedule for your prioritization policy. For setup and detail, refer to Time Schedule section

Source IP Address(es) / Destination IP Address(es): This is the Address-Filter used to allow or block

traffic to/from particular IP address(es). Selecting the Subnet Mask of the IP address range you wish to allow/block the traffic to or form; set IP address and Subnet Mask to 0.0.0.0 to inactive the Address-Filter rule.

Tip: To block access, to/from a single IP address, enter that IP address as the Host IP Address and use

a Host Subnet Mask of “255.255.255.255”.

Type: It is the packet protocol type used by the application, select among from TCP or UDP or both of TCP/UDP.

Source Port: This Port or Port Ranges defines the port allowed to be used by the Remote/WAN to

connect to the application. Default is set from range 0 ~ 65535. It is recommended that this option be configured by an advanced user.

Destination Port: This is the Port or Port Ranges that defines the application.

Inbound / Outbound: Select Allow or Block the access to the Internet (“Outbound”) or from the

Internet (“Inbound”).

Click Apply button to apply your changes.

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Packet Filter – Add Raw IP Filter

Rule Name: Users-define description to identify this entry or click

to select existing

predefined rules.

Time Schedule: It is self-defined time period. You may specify a time schedule for your prioritization policy. For setup and detail, refer to Time Schedule section

Protocol Number: Insert the port number, i.e. GRE 47.

Inbound / Outbound: Select Allow or Block the access to the Internet (“Outbound”) or from the

Internet (“Inbound”).

Click the Apply button to apply your changes.

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Example: Configuring your firewall to allow for a publicly accessible web server on your LAN

The predefined port filter rule for HTTP (TCP port 80) is the same no matter whether the firewall is set to a high, medium or low security level. To setup a web server located on the local network when the firewall is enabled, you have to configure the Port Filters setting for HTTP.

As you can see from the diagram below, when the firewall is enabled with one of the three presets (Low/Medium/High), inbound HTTP access is not allowed which means remote access through HTTP to your router is not allowed.

Note: Inbound indicates accessing from Internet to LAN and Outbound is from LAN to the Internet.

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Configuring Packet Filter:

1. Click Port Filters. You will then be presented with the predefined port filter rules screen (in this case

for the low security level), shown below:

Note: You may click Edit the predefined rule instead of Delete it. This is an example to show to how you add a filter on your own.

2. Click Delete to delete the existing HTTP rule.

3. Click Add TCP/UDP Filter.

4. Input the Rule Name, Time Schedule, Source/Destination IP, Type, Source/Destination Port,

Inbound and Outbound.

Example:

Application: Cindy_HTTP Time Schedule: Always On Source / Destination IP Address(es): 0.0.0.0 (I do not wish to active the address-filter, instead I

use the port-filter)

Type: TCP (Please refer to Table1: Predefined Port Filter) Source Port: 0-65535 (I allow all ports to connect with the application)) Redirect Port: 80-80 (This is Port defined for HTTP) Inbound / Outbound: Allow

Click Add TCP/UDP Filter

Click Delete

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5. The new port filter rule for HTTP is shown below:

6. Configure your Virtual Server (“port forwarding”) settings so that incoming HTTP requests on port 80

will be forwarded to the PC running your web server:

Note: For how to configure the HTTP in Virtual Server, go to Add Virtual Server in Virtual Server section for more details.

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Intrusion Detection

The router’s Intrusion Detection System (IDS) is used to detect hacker attacks and intrusion attempts

from the Internet. If the IDS function of the firewall is enabled, inbound packets are filtered and blocked depending on whether they are detected as possible hacker attacks, intrusion attempts or other connections that the router determines to be suspicious.

Blacklist: If the router detects a possible attack, the source IP or destination IP address will be added to the Blacklist. Any further attempts using this IP address will be blocked for the time period specified as the Block Duration. The default setting for this function is false (disabled). Some attack types are denied

immediately without using the Blacklist function, such as Land attack and Echo/CharGen scan.

Intrusion Detection: If enabled, IDS will block Smurf attack attempts. Default is false.

Block Duration:

~ Victim Protection Block Duration: This is the duration for blocking Smurf attacks. Default

value is 600 seconds.

~ Scan Attack Block Duration: This is the duration for blocking hosts that attempt a possible

Scan attack. Scan attack types include X’mas scan, IMAP SYN/FIN scan and similar attempts.

Default value is 86400 seconds.

~ DoS Attack Block Duration: This is the duration for blocking hosts that attempt a possible

Denial of Service (DoS) attack. Possible DoS attacks this attempts to block include Ascend Kill and

WinNuke. Default value is 1800 seconds.

Max TCP Open Handshaking Count: This is a threshold value to decide whether a SYN Flood attempt

is occurring or not. Default value is 100 TCP SYN per seconds.

Max PING Count: This is a threshold value to decide whether an ICMP Echo Storm is occurring or not.

Default value is 15 ICMP Echo Requests (PING) per second.

Max ICMP Count: This is a threshold to decide whether an ICMP flood is occurring or not. Default value

is 100 ICMP packets per seconds except ICMP Echo Requests (PING).

For SYN Flood, ICMP Echo Storm and ICMP flood, IDS will just warn the user in the Event Log. It cannot

protect against such attacks.

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Table 2: Hacker attack types recognized by the IDS

Intrusion Name Detect Parameter Blacklist

Type of Block

Duration

Drop Packet Show Log

Ascend Kill

Ascend Kill data Src IP DoS Yes Yes

WinNuke

TCP

Port 135, 137~139,

Flag: URG

Src IP DoS Yes Yes

Smurf

ICMP type 8

Des IP is broadcast

Dst IP

Victim

Protection

Yes Yes

Land attack

SrcIP = DstIP Yes Yes

Echo/CharGen Scan

UDP Echo Port and

CharGen Port

Ye s Yes

Echo Scan

UDP Dst Port =

Echo(7)

Src IP Scan Yes Yes

CharGen Scan

UDP Dst Port =

CharGen(19)

Src IP Scan Yes Yes

X’mas Tree Scan

TCP Flag: X’mas Src IP Scan Yes Yes

IMAP

SYN/FIN Scan

TCP Flag: SYN/FIN DstPort: IMAP(143) SrcPort: 0 or 65535

Src IP Scan Yes Yes

SYN/FIN/RST/ACK

Scan

TCP,

No Existing session

And Scan Hosts

more than five.

Src IP Scan Yes Yes

Net Bus Scan

TCP

No Existing session

DstPort = Net Bus

12345,12346, 3456

SrcIP Scan Yes Yes

Back Orifice Scan

UDP, DstPort =

Orifice Port (31337)

SrcIP Scan Yes Yes

SYN Flood

Max TCP Open

Handshaking Count

(Default 100 c/sec)

Ye s

ICMP Flood

Max ICMP Count

(Default 100 c/sec)

Ye s

ICMP Echo

Max PING Count

(Default 15 c/sec)

Ye s

Src IP: Source IP Src Port: Source Port Dst Port: Destination Port Dst IP: Destination IP

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URL Filter

URL (Uniform Resource Locator – e.g. an address in the form of

http://www.abcde.com or http://www.example.com) filter rules allow you to prevent users on your network from accessing particular websites by their URL. There are no pre-defined URL filter rules; you can add filter rules to meet your requirements.

Enable/Disable: To enable or disable URL Filter feature.

Block Mode: A list of the modes that you can choose to check the URL filter rules.

~ Disabled: No action will be performed by the Block Mode.

~ Always On: Action is enabled. URL filter rules will be monitoring and checking at all hours of the

day.

~ TimeSlot1 ~ TimeSlot16: It is self-defined time period. You may specify the time period to check the URL filter rules, i.e. during working hours. For setup and detail, refer to Time Schedule section.

Keywords Filtering: Allows blocking by specific keywords within a particular URL rather than having to specify a complete URL (e.g. to block any image called “advertisement.gif”). When enabled, your specified keywords list will be checked to see if any keywords are present in URLs accessed to determine if the connection attempt should be blocked. Please note that the URL filter blocks web browser (HTTP) connection attempts using port 80 only.

For example, if the URL is

http://www.abc.com/abcde.html, it will be dropped as the keyword “abcde”

occurs in the URL.

Domains Filtering: This function checks the whole URL not the IP address, in URLs accessed against your list of domains to block or allow. If it is matched, the URL request will be sent (Trusted) or dropped (Forbidden). For this function to be activated, both check-boxes must be checked. Here is the checking procedure:

1. Check the domain in the URL to determine if it is in the trusted list. If yes, the connection attempt is sent to the remote web server.

2. If not, check if it is listed in the forbidden list. If yes, then the connection attempt will be dropped.

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3. If the packet does not match either of the above two items, it is sent to the remote web server.

4. Please be note that the completed URL, “www” + domain name, shall be specified. For example to block traffic to

www.google.com.au, enter “www.google” or

“

www.google.com”

In the example below, the URL request for

www.abc.com will be sent to the remote web server because it

is listed in the trusted list, whilst the URL request for

www.google or www.google.com will be dropped,

because

www.google is in the forbidden list.

Example: Andy wishes to disable all WEB traffic except for ones listed in the trusted domain, which

would prevent Bobby from accessing other web sites. Andy selects both functions in the Domain Filtering and thinks that it will stop Bobby. But Bobby knows this function, Domain Filtering, ONLY

disables all WEB traffic except for Trusted Domain, BUT not its IP address. If this is the situation, Block surfing by IP address function can be handy and helpful to Andy. Now, Andy can prevent Bobby from accessing other sites.

Restrict URL Features: This function enhances the restriction to your URL rules.

~ Block Java Applet: This function can block Web content that includes the Java Applet. It is to prevent someone who wants to damage your system via standard HTTP protocol.

~ Block surfing by IP address: Preventing someone who uses the IP address as URL for skipping Domains Filtering function. Activates only and if Domain Filtering enabled.

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IM / P2P Blocking

IM, short for Instant Message, is required to use client program software that allows users to communicate, in exchanging text message, with other IM users in real time over the Internet. A P2P application, known as Peer-to-peer, is group of computer users who share file to specific groups of people across the Internet. Both Instant Message and Peer-to-peer applications make communication faster and easier but your network can become increasingly insecure at the same time. NetComm’s IM and P2P blocking helps users to restrict LAN PCs to access to the commonly used IM, Yahoo and MSN, and P2P, BitTorrent and eDonkey, applications over the Internet.

Instant Message Blocking: The default is set to Disabled.

~ Disabled: Instant Message blocking is not triggered. No action will be performed.

~ Always On: Action is enabled.

~ TimeSlot1 ~ TimeSlot16: This is the self-defined time period. You may specify the time period

to trigger the blocking, i.e. during working hours. For setup and detail, refer to Time Schedule section.

Yahoo/MSN Messenger: Check the box to block either or both Yahoo or/and MSN Messenger. To be sure you enabled

the Instant Message Blocking first.

Peer to Peer Blocking: The default is set to Disabled.

~ Disabled: Instant Message blocking is not triggered. No action will be performed.

~ Always On: Action is enabled.

~ TimeSlot1 ~ TimeSlot16: This is the self-defined time period. You may specify the time period

to trigger the blocking, i.e. during working hours. For setup and detail, refer to Time Schedule section.

BitTorrent / eDonkey: Check the box to block either or both Bit Torrent or/and eDonkey. To be sure you enabled

the Peer to Peer Blocking first.

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Firewall Log

Firewall Log display log information of any unexpected action with your firewall settings.

Check the Enable box to activate the logs.

Log information can be seen in the Status – Event Log after enabling.

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VPN - Virtual Private Networks

Virtual Private Networks is a way to establish secured communication tunnels to an organization’s network via the Internet. Your router supports three main types of VPN (Virtual Private Network), PPTP,

IPSec and L2TP.

PPTP (Point-to-Point Tunneling Protocol)

There are two types of PPTP VPN supported; Remote Access and LAN-to-LAN (please refer below for more information.). Click Create to configure a new VPN connection.

After you have created PPTP connection, account status will be displayed. (See example above).

~ Enable / Disable: This function activates or deactivates the PPTP connection. To wish interrupting the tunnel, check Disable radio button and click Apply button to deactivate the connection.

Name: User-defined name of the connection.

Type: This refers to your router operates as a client or a server, Dialout or Dialin in respectively.

Status: It informs your PPTP tunnel connection condition.

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PPTP Connection - Remote Access

Connection Name: User-defined name for the connection (e.g. “connection to office”).

Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g. your office server), check Dial In operates as a VPN server.

~ When configuring your router as a Client, enter the remote Server IP Address (or Domain Name) you wish to connection to.

~ When configuring your router as a server, enter the Private IP Address Assigned to Dial in User address.

Username: If you are a Dial-Out user (client), enter the username provided by your Host. If you are a

Dial-In user (server), enter your own username.

Password: If you are a Dial-Out user (client), enter the password provided by your Host. If you are a Dial-In user (server), enter your own password.

PPP Authentication Type: Default is Auto if you want the router to determine the authentication type to use, or else manually specify CHAP (Challenge Handshake Authentication Protocol) or PAP (Password Authentication Protocol) if you know which type the server is using (when acting as a client), or else the authentication type you want clients connecting to you to use (when acting as a server). When using PAP, the password is sent unencrypted, whilst CHAP encrypts the password before sending, and also allows for challenges at different periods to ensure that an intruder has not replaced the client.

Data Encryption: Data sent over the VPN connection can be encrypted by an MPPE algorithm. Default is Auto, so that this setting is negotiated when establishing a connection, or else you can manually

Enable or Disable encryption.

Key Length: The data can be encrypted by MPPE algorithm with 40 bits or 128 bits. Default is Auto, it is

negotiated when establishing a connection. 128 bit keys provide stronger encryption than 40 bit keys.

Mode: You may select Stateful or Stateless mode. The key will be changed every 256 packets when you select Stateful mode. If you select Stateless mode, the key will be changed in each packet.

Idle Time: Auto-disconnect the VPN connection when there is no activity on the connection for a predetermined period of time. 0 means this connection is always on.

Active as default route: Commonly used by the Dial-out connection which all packets will route through

the VPN tunnel to the Internet; therefore, active the function may degrade the Internet performance.

Click Apply button to apply your changes.

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Example: Configuring a Remote Access PPTP VPN Dial-out Connection

A company’s office establishes a PPTP VPN connection with a file server located at a separate location. The router is installed in the office, connected to a couple of PCs and Servers.

Dial-out

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Configuring the PPTP VPN in the Office

You can either input the IP address (69.1.121.33 in this case) or hostname to reach the server.

Item Function Description

Connection Name VPN_PPTP Given name of PPTP connection Dial out Check Dial out

Server IP Address (or Hostname)

69.121.1.33 An Dialed server IP

Username username

Password 123456

A given username & password

Auth.Type Chap(Auto) Data Encryption Auto Key Length Auto

Mode stateful

Keep as default value in most of the cases, PPTP server & client will determine the value automatically. Refer to manual for details i

you want to change the setting.

Idle Time 0

The connection will be disconnected when there Is no traffic in a predefined period of time. Idle time 0 means the connection is always on.

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PPTP Connection - LAN to LAN

Connection Name: User-define description of the connection.

Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g. your office server), check Dial In operates as a VPN server.

~ When configuring your router as a Client, enter the remote Server IP Address (or Hostname) you wish to connection to.

~ When configuring your router as a server, enter the Private IP Address Assigned to Dial in User address.

Peer Network IP: Enter Peer network IP address.

Netmask: Enter the subnet mask of peer network based on the Peer Network IP setting.

Username: If you are a Dial-Out user (client), enter the username provided by your Host. If you are a

Dial-In user (server), enter your own username.

Password: If you are a Dial-Out user (client), enter the password provided by the your Host. If you are a Dial-In user (server), enter your own password.

Data Encryption: Data sent over the VPN connection can be encrypted by an MPPE algorithm. Default is Auto, so that this setting is negotiated when establishing a connection, or else you can manually

Enable or Disable encryption.

Key Length: The data can be encrypted by MPPE algorithm with 40 bits or 128 bits. Default is Auto, it is

negotiated when establishing a connection. 128 bit keys provide stronger encryption than 40 bit keys.

Mode: You may select Stateful or Stateless mode. The key will be changed every 256 packets when you select Stateful mode. If you select Stateless mode, the key will be changed in each packet.

Idle Time: Auto-disconnect the VPN connection when there is no activity on the connection for a predetermined period of time. 0 means this connection is always on.

Click Apply button to apply your changes.

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Example: Configuring a PPTP LAN-to-LAN VPN Connection

The branch office establishes a PPTP VPN tunnel with head office to connect two private networks over the Internet. The routers are installed in the head office and branch office accordingly.

Both office LAN networks MUST in different subnet with LAN to LAN application.

ttentio

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Configuring PPTP VPN in the Head Office

The IP address 192.168.1.201 will be assigned to the router located in the branch office. Please make sure this IP is not used in the head office LAN.

Item Function Description

Connection Name HeadOffice Given a name of PPTP connection Dial in Check Dial in

Private IP Address Assigned to Dialing User

192.168.1.200 IP address assigned to branch office network

Peer Network IP 192.168.0.0 Branch office network

Netmask 255.255.255.0 Username username

Password 123456

Input username & password to authenticate branch office network

Auth.Type Chap(Auto) Data Encryption Auto Key Length Auto

Mode stateful

Keep as default value in most of the cases, PPTP server & client will determine the value automatically. Refer to manual for details if you want to change the setting.

Idle Time 0

The connection will be disconnected when there Is no traffic in a predefined period of time. Idle time 0 means the connection is always on.

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Configuring PPTP VPN in the Branch Office

The IP address 69.1.121.30 is the Public IP address of the router located in head office. If you registered the DDNS (please refer to the DDNS section of this manual), you can also use the domain name instead of the IP address to reach the router.

Item Function Description

Connection Name BranchOffice Given a name of PPTP connection Dial out Check Dial out

Server IP Address (or Hostname)

69.121.1.33 IP address of the head office router (in WAN side)

Peer Network IP 192.168.1.0

Netmask 255.255.255.0

Head office network

Username username

Password 123456

Input username & password to authenticate branch office network

Auth.Type Chap(Auto) Data Encryption Auto Key Length Auto

Mode stateful

Keep as default value in most of the cases, PPTP server & client will determine the value automatically. Refer to manual for details if you want to change the setting.

Idle Time 0

The connection will be disconnected when there Is no traffic in a predefined period of time. Idle time 0 means the connection is always on.

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IPSec (IP Security Protocol)

Click Create to create a new IPSec VPN connection account.

After you have created the IPSec connection, account information will be displayed. (See example above).

~ Enable / Disable: This function activates or deactivates the IPSec connection. To interrupt the tunnel, check Disable radio button and click Apply button to deactivate the connection.

Name: This is the user-defined name of the connection.

Local Subnet: Displays IP address and subnet of the local network.

Remote Subnet: Displays IP address and subnet of the remote network.

Remote Gateway: This is the IP address or Domain Name of the remote VPN device that is connected

and established a VPN tunnel.

IPSec Proposal: This is selected IPSec security method.

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IPSec VPN Connection

Connection Name: User-defined name for the connection (e.g. “connection to office”).

Local Network: Set the IP address, subnet or address range of the local network.

~ Single Address: The IP address of the local host.

~ Subnet: The subnet of the local network. For example, IP: 192.168.1.0 with netmask

255.255.255.0 specifies one class C subnet starting from 192.168.1.1 (i.e. 192.168.1.1 through to

192.168.1.254).

~ IP Range: The IP address range of the local network. For example, IP: 192.168.1.1, end IP:

192.168.1.10.

Remote Secure Gateway Address (or Domain Name): The IP address or hostname of the remote VPN device that is connected and establishes a VPN tunnel.

Remote Network: Set the IP address, subnet or address range of the remote network.

Proposal:

Select the IPSec security method. There are two methods of checking the authentication

information, AH (authentication header) and ESP (Encapsulating Security Payload). Use ESP for greater security so that data will be encrypted and authenticated. Using AH data will be authenticated but not encrypted.

Authentication: Authentication establishes the integrity of the datagram and ensures it is not tampered with in transmit. There are three options, Message Digest 5 (MD5), Secure Hash Algorithm (SHA1) or NONE. SHA1 is more resistant to brute-force attacks than MD5, however it is slower.

~ MD5: A one-way hashing algorithm that produces a 128−bit hash.

~ SHA1: A one-way hashing algorithm that produces a 160−bit hash.

Encryption: Select the encryption method from the pull-down menu. There are several options, DES, 3DES, AES (128, 192 and 256) and NULL. NULL means it is a tunnel only with no encryption. 3DES and

AES are more powerful but increase latency.

~ DES: Stands for Data Encryption Standard, it uses 56 bits as an encryption method.

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~ 3DES: Stands for Triple Data Encryption Standard, it uses 168 (56*3) bits as an encryption

method.

~ AES: Stands for Advanced Encryption Standards, you can use 128, 192 or 256 bits as

encryption method.

Perfect Forward Secrecy: Choose whether to enable PFS using Diffie-Hellman public-key cryptography to change encryption keys during the second phase of VPN negotiation. This function will provide better security, but extends the VPN negotiation time. Diffie-Hellman is a public-key cryptography protocol that allows two parties to establish a shared secret over an unsecured communication channel (i.e. over the Internet). There are three modes, MODP 768-bit, MODP 1024-bit and MODP 1536-bit. MODP stands for Modular Exponentiation Groups.

Pre-shared Key: This is for the Internet Key Exchange (IKE) protocol, a string from 4 to 128 characters. Both sides should use the same key. IKE is used to establish a shared security policy and authenticated keys for services (such as IPSec) that require a key. Before any IPSec traffic can be passed, each router must be able to verify the identity of its peer. This can be done by manually entering the pre-shared key into both sides (router or hosts).

Select the Apply button to apply your changes.

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Advanced Option

This function is only available after you have created an IPSec account. Click Advanced Option to change the following settings:

IKE (Internet key Exchange) Mode: Select IKE mode to Main mode or Aggressive mode. This IKE provides secured key generation and key management.

IKE Proposal:

Hash Function: It is a Message Digest algorithm which coverts any length of a message into a unique

set of bits. It is widely used MD5 (Message Digest) and SHA-1 (Secure Hash Algorithm) algorithms. SHA1 is more resistant to brute-force attacks than MD5, however it is slower.

~ MD5: A one-way hashing algorithm that produces a 128−bit hash.

~ SHA1: A one-way hashing algorithm that produces a 160−bit hash

Encryption: Select the encryption method from the pull-down menu. There are several options, DES, 3DES and AES (128, 192 and 256). 3DES and AES are more powerful but increase latency.

~ DES: Stands for Data Encryption Standard, it uses 56 bits as an encryption method.

~ 3DES: Stands for Triple Data Encryption Standard, it uses 168 (56*3) bits as an encryption

method.

~ AES: Stands for Advanced Encryption Standards, you can use 128, 192 or 256 bits as

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encryption method.

Diffie-Hellman Group: It is a public-key cryptography protocol that allows two parties to establish a shared secret over an unsecured communication channel (i.e. over the Internet). There are three modes, MODP 768-bit, MODP 1024-bit and MODP 1536-bit. MODP stands for Modular Exponentiation Groups.

Local ID:

~ Type: Specify local ID type. ~ Content: Input ID’s information, like domain name

www.ipsectest.com.

Remote ID:

~ Type: Specify Remote ID type. ~ Identifier: Input remote ID’s information, like domain name

www.ipsectest.com.

SA Lifetime: Specify the number of minutes that a Security Association (SA) will stay active before new encryption and authentication key will be exchanged. There are two kinds of SAs, IKE and IPSec. IKE negotiates and establishes SA on behalf of IPSec, an IKE SA is used by IKE.

~ Phase 1 (IKE): To issue an initial connection request for a new VPN tunnel. The range can be from 5 to 15,000 minutes, and the default is 480 minutes.

~ Phase 2 (IPSec): To negotiate and establish secure authentication. The range can be from 5 to 15,000 minutes, and the default is 60 minutes.

A short SA time increases security by forcing the two parties to update the keys. However, every time the VPN tunnel re-negotiates, access through the tunnel will be temporarily disconnected.

Ping to Keep Alive:

PING to the IP: It is able to IP Ping the remote PC with the specified IP address and alert when the

connection fails. Once alter message is received, Router will drop this tunnel connection. Re-establish of this connection is required. Default setting is 0.0.0.0 which disables the function.

Interval: This sets the time interval between Pings to the IP function to monitor the connection status.

Default interval setting is 10 seconds. Time interval can be set from 0 to 3600 second, 0 second disables the function.

Ping to the IP Interval (sec) Ping to the IP Action

0.0.0.0 0 No

0.0.0.0 2000 No

xxx.xxx.xxx.xxx (A valid IP Address) 0 No

xxx.xxx.xxx.xxx(A valid IP Address) 2000 Yes, activate it in every 2000

second.

Disconnection Time after no traffic: It is the NO Response time clock. When no traffic stage time is beyond the Disconnection time set, Router will automatically halt the tunnel connection and re-establish it base on the Reconnection Time set. 180 seconds is minimum time interval for this function.

Reconnection Time: It is the reconnecting time interval after NO TRAFFIC is initiated. 3 minutes is minimum time interval for this function.

Select the Apply button to update the settings.

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Example: Configuring a IPSec LAN-to-LAN VPN Connection

Table 3: Network Configuration and Security Plan

Branch Office Head Office

Local Network ID 192.168.0.0/24 192.168.1.0/24

Local Router IP 69.1.121.30 69.1.121.3

Remote Network ID 192.168.1.0/24 192.168.0.0/24

Remote Router IP 69.1.121.3 69.1.121.30

IKE Pre-shared Key 12345678 12345678

VPN Connection Type Tunnel mode Tunnel mode

Security Algorithm ESP:MD5 with AES ESP:MD5 with AES

Both office LAN networks MUST in different subnet with LAN to LAN application.

Functions of Pre-shared Key, VPN Connection Type and Security Algorithm MUST BE identically set up on both sides.

Attention

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Configuring IPSec VPN in the Head Office

Item Function Description

Connection Name IPSec_HeadOffice Given a name of IPSec connection Subnet Check Subnet radio button IP Address 192.168.1.0

Netmask 255.255.255.0

Head office network

Secure Gateway Address (or Hostname)

69.121.1.30

IP address of the

Branch office router (in

WAN side) Subnet Check Subnet radio button IP Address 192.168.0.0

Netmask 255.255.255.0

Branch office network

ESP Check ESP radio button Authentication MD5 Encryption 3DES Prefer Forward Security None

Pre-shared Key 12345678

Security plan

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Configuring IPSec VPN in the Branch Office

Item Function Description

Connection Name

IPSec_Branch Office

Given a name of IPSec connection

Subnet Check Subnet radio button IP Address 192.168.0.0

Netmask 255.255.255.0

Branch office network

Secure Gateway Address (or Hostname)

69.121.1.3

IP address of the Branch office router

(in WAN side) Subnet Check Subnet radio button IP Address 192.168.1.0

Netmask 255.255.255.0

Head office network

ESP Check ESP radio button Authentication MD5 Encryption 3DES Prefer Forward Security None

Pre-shared Key 12345678

Security plan

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Example: Configuring a IPSec Host-to-LAN VPN Connection

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Configuring IPSec VPN in the Office

Item Function Description

Connection Name IPSec Given a name of IPSec connection Subnet Check Subnet radio button IP Address 192.168.1.0

Netmask 255.255.255.0

Head office network

Secure Gateway Address (or Hostname)

69.121.1.30

IP address of the

Branch office router

(in WAN side)

Single Address Check Single Address radio button

IP Address 69.121.1.30 Remote worker’s IP address ESP Check ESP radio button Authentication MD5 Encryption 3DES Prefer Forward Security None

Pre-shared Key 12345678

Security plan

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L2TP (Layer Two Tunneling Protocol)

Two types of L2TP VPN are supported Remote Access and LAN-to-LAN (please refer below for more information.). Click Create to create a new VPN connection account.

After you have created L2TP connection, account status will be displayed. (See example above).

~ Enable / Disable: This function activates or deactivates the L2TP connection. To wish interrupting the tunnel, check Disable radio button and click Apply button to deactivate the connection.

Name: This is the user-defined name of the connection.

Type: This refers to your router operates as a client or a server, Dialout or Dialin in respectively.

Status: It informs your L2TP tunnel connection condition.

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L2TP Connection - Remote Access

L2TP VPN Connection

Connection Name: User-defined name for the connection (e.g. “connection to office”).

Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g. your office server), check Dial In operates as a VPN server.

~ When configuring your router as a Client, enter the remote Server IP Address (or

Hostname) you wish to connection to.

~ When configuring your router as a server, enter the Private IP Address Assigned to Dial in

User address.

Username: If you are a Dial-Out user (client), enter the username provided by your Host. If you are a

Dial-In user (server), enter your own username.

Password: If you are a Dial-Out user (client), enter the password provided by your Host. If you are a Dial-In user (server), enter your own password.

Idle Time: Auto-disconnect the VPN connection when there is no activity on the connection for a pre-determined period of time. 0 means this connection is always on.

Active as default route: Commonly used by the Dial-out connection which all packets will route through

the VPN tunnel to the Internet; therefore, active the function may degrade the Internet performance.

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Click Apply after changing settings.

L2TP over IPSec (L2TP/IPSec) VPN Connection

IPSec:

Enable for enhancing your L2TP VPN security.

~ MD5: A one-way hashing algorithm that produces a 128−bit hash.

~ SHA1: A one-way hashing algorithm that produces a 160−bit hash.

Encryption: Select the encryption method from the pull-down menu. There are four options, DES, 3DES, AES and NONE. NONE means it is a tunnel only with no encryption. 3DES and AES are more powerful

but increase latency.

~ DES: Stands for Data Encryption Standard, it uses 56 bits as an encryption method.

~ 3DES: Stands for Triple Data Encryption Standard, it uses 168 (56*3) bits as an encryption

method.

~ AES: Stands for Advanced Encryption Standards, it uses 128 bits as an encryption method.

Perfect Forward Secrecy: Choose whether to enable PFS using Diffie-Hellman public-key cryptography

to change encryption keys during the second phase of VPN negotiation. This function will provide better security, but extends the VPN negotiation time. Diffie-Hellman is a public-key cryptography protocol that allows two parties to establish a shared secret over an unsecured communication channel (i.e. over the Internet). There are three modes, MODP 768-bit, MODP 1024-bit and MODP 1536-bit. MODP stands for Modular Exponentiation Groups.

Remote Host Name (Optional): Enter hostname of remote VPN device. It is a tunnel identifier from the Remote VPN device matches with the Remote hostname provided. If remote hostname matches, tunnel will be connected; otherwise, it will be dropped.

Cautious: This is only when the router performs as a VPN server. This option should be used by advanced users only.

Local Host Name (Optional): Enter hostname of Local VPN device that is connected / establishes a VPN tunnel. As default, Router’s default Hostname is home.gateway.

Tunnel Authentication: This enables router to authenticate both the L2TP remote and L2TP host. This is only valid when L2TP remote supports this feature.

Secret: The secure password length should be 16 characters which may include numbers and characters.

Click Apply after changing settings.

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Example: Configuring a L2TP VPN - Remote Access Dial-in Connection

A remote worker establishes a L2TP VPN connection with the head office using Microsoft's VPN Adapter (included with Windows XP/2000/ME, etc.). The router is installed in the head office, connected to a couple of PCs and Servers.

Dial-in

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Configuring L2TP VPN in the Office

The input IP address 192.168.1.200 will be assigned to the remote worker. Please make sure this IP is not used in the Office LAN.

Item Function Description

Connection Name VPN_L2TP Given a name of L2TP connection Dial in Check Dial in

Private IP Address Assigned to Dialing User

192.168.1.200 An assigned IP address for the remote worker

Username username

Password 123456

Input username & password to authenticate remote worker

Auth.Type Chap(Auto) Keep as default value in most of the cases.

Idle Timeout 0

The connection will be disconnected when there Is no traffic in a predefined period of time. Idle

time 0 means the connection is always on. IPSec Enable for enhancing your L2TP VPN security. Authentication MD5 Encryption 3DES Perfect Forward

Secrecy

None

Pre-shared Key 12345678

Both sites should use the same value.

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Example: Configuring a Remote Access L2TP VPN Dial-out Connection

A company’s office establishes a L2TP VPN connection with a file server located at a separate location. The router is installed in the office, connected to a couple of PCs and Servers.

Dial-out

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Configuring the L2TP VPN in the Office

Item Function Description

Connection Name VPN_L2TP Given name of L2TP connection Dial out Check Dial out

Server IP Address (or Hostname)

69.121.1.33 An Dialed server IP

Username username

Password 123456

A given username & password

Auth.Type Chap(Auto) Keep as default value in most of the cases.

Idle Timeout 0

The connection will be disconnected when there Is no traffic in a predefined period of time. Idle

time 0 means the connection is always on. IPSec Enable for enhancing your L2TP VPN security. Authentication MD5 Encryption 3DES Perfect Forward

Secrecy

None

Pre-shared Key 12345678

Both sites should use the same value.

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Example: Configuring your Router to Dial-in to the Server

Currently, Microsoft Windows operation system does not support L2TP incoming service. Additional software may be required to set up your L2TP incoming service.

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L2TP Connection - LAN to LAN

L2TP VPN Connection

Connection Name: User-define description of the connection.

Type: Check Dial Out if you want your router to operate as a client (connecting to a remote VPN server, e.g. your office server), check Dial In operates as a VPN server.

~ When configuring your router establish the connection to a remote LAN, enter the remote

Server IP Address (or Hostname) you wish to connection to.

~ When configuring your router as a server to accept incoming connections, enter the Private

IP Address Assigned to Dial in User address.

Peer Network IP: Enter Peer network IP address.

Netmask: Enter the subnet mask of peer network based on the Peer Network IP setting.

Username: If you are a Dial-Out user (client), enter the username provided by your Host. If you are a

Dial-In user (server), enter your own username.

Password: If you are a Dial-Out user (client), enter the password provided by the your Host. If you are a Dial-In user (server), enter your own password.

Idle Time: Auto-disconnect the VPN connection when there is no activity on the connection for a predetermined period of time. 0 means this connection is always on.

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Click Apply after changing settings.

L2TP over IPSec (L2TP/IPSec) VPN Connection

IPSec:

Enable for enhancing your L2TP VPN security.

Authentication: Authentication establishes the integrity of the datagram and ensures it is not tampered with in transmit. There are three options, Message Digest 5 (MD5), Secure Hash Algorithm (SHA1) or NONE. SHA-1 is more resistant to brute-force attacks than MD5, however it is slower.

~ MD5: A one-way hashing algorithm that produces a 128−bit hash.

~ SHA1: A one-way hashing algorithm that produces a 160−bit hash.

Encryption: Select the encryption method from the pull-down menu. There are four options, DES, 3DES, AES and NONE. NONE means it is a tunnel only with no encryption. 3DES and AES are more powerful

but increase latency.

~ DES: Stands for Data Encryption Standard, it uses 56 bits as an encryption method.

~ 3DES: Stands for Triple Data Encryption Standard, it uses 168 (56*3) bits as an encryption

method.

~ AES: Stands for Advanced Encryption Standards, it uses 128 bits as an encryption method.

Perfect Forward Secrecy: Choose whether to enable PFS using Diffie-Hellman public-key cryptography

Cautious: This is only when the router performs as a VPN server. This option should be used by advanced users only.

Local Host Name (Optional): Enter hostname of Local VPN device that is connected / establishes a VPN tunnel. As default, Router’s default Hostname is home.gateway.

Tunnel Authentication: This enables router to authenticate both the L2TP remote and L2TP host. This is only valid when L2TP remote supports this feature.

Secret: The secure password length should be 16 characters which may include numbers and characters.

Click Apply after changing settings.

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Example: Configuring L2TP LAN-to-LAN VPN Connection

The branch office establishes a L2TP VPN tunnel with head office to connect two private networks over the Internet. The routers are installed in the head office and branch office accordingly.

Both office LAN networks MUST in different subnet with LAN to LAN application.

Functions of Pre-shared Key, VPN Connection Type and Security Algorithm MUST BE identically set up on both sides.

Attention

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Configuring L2TP VPN in the Head Office

The IP address 192.168.1.200 will be assigned to the router located in the branch office. Please make sure this IP is not used in the head office LAN.

Item Function Description

Connection Name HeadOffice Given a name of L2TP connection Dial in Check Dial in

Private IP Address Assigned to Dialing User

192.168.1.200 IP address assigned to branch office network

Peer Network IP 192.168.0.0 Branch office network

Netmask 255.255.255.0 Username username

Password 123456

Input username & password to authenticate branch office network

Auth.Type Chap(Auto) Keep as default value in most of the cases.

Idle Timeout 0

The connection will be disconnected when there Is no traffic in a predefined period of time. Idle time 0

means the connection is always on. IPSec Enable for enhancing your L2TP VPN security. Authentication MD5 Encryption 3DES Perfect Forward

Secrecy

None

Pre-shared Key 12345678

Both sites should use the same value.

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Configuring L2TP VPN in the Branch Office

Item Function Description

Connection Name BranchOffice Given a name of L2TP connection Dial out Check Dial out

Server IP Address (or Hostname)

69.121.1.33 IP address of the head office router (in WAN side)

Peer Network IP 192.168.1.0

Netmask 255.255.255.0

Head office network

Username username

Password 123456

Input username & password to authenticate branch office network

Auth.Type Chap(Auto) Keep as default value in most of the cases.

Idle Timeout 0

The connection will be disconnected when there Is no traffic in a predefined period of time. Idle time

0 means the connection is always on. IPSec Enable for enhancing your L2TP VPN security. Authentication MD5 Encryption 3DES Perfect Forward Secrecy None

Pre-shared Key 12345678

Both sites should use the same value.

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100

QoS (Quality of Service)

QoS function helps you to control your network traffic for each application from LAN (Ethernet and/or Wireless) to WAN (Internet). It facilitates you to control the different quality and speed of through put for each application when the system is running with full loading of upstream.

Here are items within the QoS section: Prioritization and Outbound / Inbound IP Throttling (bandwidth management).

Prioritization

There are three priority settings to be provided in the Router:

~ High

~ Normal (The default is normal priority for all of traffic without setting)

~ Low

And the balances of utilization for each priority are High (60%), Normal (30%) and Low (10%).

Application: A user-defined description to identify this new policy/application.

Time Schedule: Scheduling your prioritization policy.

Priority: The priority given to each policy/application. Its default setting is set to High; you may adjust this

setting to fit your policy/application.

Protocol: The name of supported protocol.

Source Port: The source port of packets to be monitored.

Destination Port: The destination port of packets to be monitored.

Source IP Address Range: The source IP address or range of packets to be monitored.

Click Clear

You can click Clear to delete the existing Application.