Linksys WRT54GX User Manual

A Division of Cisco Systems, Inc.
®
2.4
Model No.
802.11g
WIRELESS
WRT54GX
Wireless-G
Broadband Router
with SRX
User Guide
Wireless-G Broadband Router with SRX
Copyright and Trademarks
Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2005 Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders.
WARNING: This product contains chemicals, including lead, known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling.
How to Use This User Guide
This User Guide has been designed to make understanding networking with the Wireless-G Broadband Router easier than ever. Look for the following items when reading this User Guide:
This checkmark means there is a note of interest and is something you should pay special attention to while using the Wireless-G Broadband Router.
This exclamation point means there is a caution or warning and is something that could damage your property or the Wireless-G Broadband Router.
This question mark provides you with a reminder about something you might need to do while using the Wireless-G Broadband Router.
In addition to these symbols, there are definitions for technical terms that are presented like this:
word: definition.
Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like this:
Figure 0-1: Sample Figure Description
Figure numbers and descriptions can also be found in the “List of Figures” section in the “Table of Contents”.
WRT54GX-UG-50225A BW
Wireless-G Broadband Router with SRX
Table of Contents
Chapter 1: Introduction 1
Welcome 1 What’s in this Guide? 2
Chapter 2: Planning Your Wireless Network 4
Network Topology 4 Ad-Hoc versus Infrastructure Mode 4 Network Layout 4
Chapter 3: Getting to Know the Wireless-G Broadband Router 6
The Back Panel 6 The Front Panel 7
Chapter 4: Connecting the Wireless-G Broadband Router 8
Overview 8 Hardware Installation for Connection to Your Broadband Modem 8
Chapter 5: Configuring the Wireless-G Broadband Router 9
Overview 9 The Setup Tab - Basic Setup 10 The Setup Tab - DDNS 15 The Setup Tab - MAC Address Clone 16 The Setup Tab - Advanced Routing 17 The Wireless Tab - Basic Wireless Settings 18 The Wireless Tab - Wireless Security 19 The Wireless Tab - Wireless MAC Filter 21 The Wireless Tab - Advanced Wireless Settings 22 The Security Tab - Firewall 23 The Access Restrictions Tab - Internet Access 24 The Applications and Gaming Tab - Port Range Forward 26 The Applications and Gaming Tab - Port Triggering 26 The Applications and Gaming Tab - DMZ 27 The Applications and Gaming Tab - UPnP Forwarding 27 The Administration Tab - Management 28 The Administration Tab - Log 29 The Administration Tab - Diagnostics 29
Wireless-G Broadband Router with SRX
The Administration Tab - Factory Defaults 30 The Administration Tab - Firmware Upgrade 30 The Administration Tab - Config Management 31 The Status Tab - Router 31 The Status Tab - Local Network 32 The Status Tab - Wireless 33 The Status Tab - System Performance 34
Appendix A: Troubleshooting 36
Common Problems and Solutions 36 Frequently Asked Questions 45
Appendix B: Wireless Security 51
Security Precautions 51 Security Threats Facing Wireless Networks 51
Appendix C: Upgrading Firmware 54 Appendix D: Windows Help 55 Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter 56
Windows 98SE or Me Instructions 56 Windows 2000 or XP Instructions 57 For the Router’s Web-based Utility 57
Appendix F: Glossary 58 Appendix G: Specifications 64 Appendix H: Warranty Information 66 Appendix I: Regulatory Information 67 Appendix J: Contact Information 69
Wireless-G Broadband Router with SRX
List of Figures
Figure 3-1: The Router’s Back Panel 6 Figure 3-2: The Router’s Reset Button 6 Figure 3-3: The Router’s LEDs 7 Figure 4-1: The Router’s Ports 8 Figure 5-1: Password Screen 9 Figure 5-2: Setup Tab - Basic Setup 10 Figure 5-3: DHCP Connection Type 10 Figure 5-4: Static IP Connection Type 11 Figure 5-5: PPPoE Connection Type 11 Figure 5-6: PPTP Connection Type 12 Figure 5-7: Telstra BigPond Connection Type 12 Figure 5-8: Optional Settings 13 Figure 5-9: Router IP 13 Figure 5-10: Network Address Server Settings 14 Figure 5-11: Time Setting 14 Figure 5-12: Setup Tab - DDNS 15 Figure 5-13: Setup Tab - MAC Address Clone 16 Figure 5-14: Setup Tab - Advanced Routing 17 Figure 5-15: Setup Tab - Advanced Routing - NAT Mode 17 Figure 5-16: Wireless Tab - Basic Wireless Settings 18 Figure 5-17: Wireless Tab - Wireless Security (WPA Pre-Shared Key) 19 Figure 5-18: Wireless Tab - Wireless Security (WPA RADIUS) 19 Figure 5-19: Wireless Tab - Wireless Security (WEP) 20 Figure 5-20: Wireless Tab - Wireless MAC Filter 21 Figure 5-21: Wireless Tab - Wireless MAC Filter - Networked Computers 21 Figure 5-22: Wireless Tab - Advanced Wireless Settings 22 Figure 5-23: Security Tab - Firewall 23 Figure 5-24: AAccess Restrictions Tab - Internet Access 24 Figure 5-25: Internet Policy Summary 24 Figure 5-26: List of PCs 25
Wireless-G Broadband Router with SRX
Figure 5-27: Port Services 25 Figure 5-28: Applications and Gaming Tab - Port Range Forward 26 Figure 5-29: Applications and Gaming Tab - Port Triggering 26 Figure 5-30: Applications and Gaming Tab - DMZ 27 Figure 5-31: Applications and Gaming Tab - UPnP Forwarding 27 Figure 5-32: Administration Tab - Management 28 Figure 5-33: Administration Tab - Log 29 Figure 5-34: Administration Tab - Diagnostics 29 Figure 5-35: Administration Tab - Factory Defaults 30 Figure 5-36: Administration Tab - Firmware Upgrade 30 Figure 5-37: Administration Tab - Config Management 31 Figure 5-38: Status Tab - Router 31 Figure 5-39: Status Tab - Local Network 32 Figure 5-40: Status Tab - Wireless 33 Figure 5-41: Status Tab - System Performance 34 Figure C-1: Upgrade Firmware 54 Figure E-1: IP Configuration Screen 56 Figure E-2: MAC Address/Adapter Address 56 Figure E-3: MAC Address/Physical Address 56 Figure E-4: MAC Address Filter List 57 Figure E-5: MAC Address Clone 57
Wireless-G Broadband Router with SRX

Chapter 1: Introduction

Welcome
Thank you for choosing the Linksys Wireless-G Broadband Router with SRX. The Wireless-G Broadband Router with SRX will allow you to network wirelessly better than ever, sharing Internet access, files and fun, easily and securely.
How does the Wireless-G Broadband Router with SRX do all of this? A router is a device that allows access to an Internet connection over a network. With the Wireless-G Broadband Router with SRX, this access can be shared over the four switched ports or via the wireless network, broadcast at either 11Mbps for Wireless-B or 54Mbps for Wireless-G. In addition, WPA encryption provides greater security opportunities while the whole network is protected through a Stateful Packet Inspection (SPI) firewall and NAT technology. All of these security features, as well as full configurability, are accessed through the easy-to-use browser-based utility.
But what does all of this mean?
Networks are useful tools for sharing computer resources. You can access one printer from different computers and access data located on another computer's hard drive. Networks are even used for playing multiplayer video games. So, networks are not only useful in homes and offices, they can also be fun.
PCs on a wired network create a Local Area Network. They are connected with Ethernet cables, which is why the network is called “wired”.
PCs equipped with wireless cards or adapters can communicate without cumbersome cables. By sharing the same wireless settings, within their transmission radius, they form a wireless network. The Wireless-G Broadband Router with SRX bridges wireless networks of both 802.11b and 802.11g standards and wired networks, allowing them to communicate with each other.
mbps: one million bits per second; a unit of measurement for data transmission
browser: an application program that provides a way to look at and interact with all the information on the World Wide Web.
lan (Local Area Network): The computers and networking products that make up the network in your home or office
802.11b: an IEEE wireless networking standard that specifies a maximum data transfer rate of 11Mbps and an operating frequency of 2.4GHz.
With your networks all connected, wired, wireless, and the Internet, you can now share files and Internet access—and even play games. All the while, the Wireless-G Broadband Router with SRX protects your networks from unauthorized and unwelcome users.
You should always use the Setup CD-ROM when you first install the Router. If you do not wish to run the Setup Wizard on the Setup CD-ROM, then use the instructions in this Guide to help you connect the Wireless-G Broadband Router with SRX, set it up, and configure it to bridge your different networks. These instructions should be all you need to get the most out of the Wireless-G Broadband Router with SRX.
Chapter 1: Introduction Welcome
802.11b: an IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps, an operating frequency of 2.4GHz, and backward compatibility with 802.11b devices.
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Wireless-G Broadband Router with SRX
What’s in this Guide?
This user guide covers the steps for setting up and using the Wireless-G Broadband Router with SRX.
• Chapter 1: Introduction This chapter describes the Router’s applications and this User Guide.
• Chapter 2: Planning Your Wireless Network This chapter describes the basics of wireless networking.
• Chapter 3: Getting to Know the Wireless-G Broadband Router This chapter describes the Router’s physical features.
• Chapter 4: Connecting the Wireless-G Broadband Router This chapter instructs you on how to connect the Router to your network.
• Chapter 5: Configuring the Wireless-G Broadband Router This chapter explains how to use the Router’s Web-Based Utility.
• Appendix A: Troubleshooting This appendix describes some problems and solutions, as well as frequently asked questions, regarding installation and use of the Wireless-G Broadband Router.
• Appendix B: Wireless Security This appendix explains the risks of wireless networking and some solutions to reduce the risks.
• Appendix C: Upgrading Firmware This appendix instructs you on how to upgrade the Router’s firmware should you need to do so.
• Appendix D: Windows Help This appendix describes how you can use Windows Help for instructions about networking, such as installing the TCP/IP protocol.
• Appendix E: Finding the MAC Address and IP Address for your Ethernet Adapter. This appendix describes how to find the MAC address for your computer’s Ethernet adapter so you can use the Router’s MAC filtering and/or MAC address cloning feature.
• Appendix F: Glossary This appendix gives a brief glossary of terms frequently used in networking.
• Appendix G: Specifications This appendix provides the Router’s technical specifications.
Chapter 1: Introduction What’s in this Guide?
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Wireless-G Broadband Router with SRX
• Appendix H: Warranty Information This appendix supplies the Router’s warranty information.
• Appendix I: Regulatory Information This appendix supplies the Router’s regulatory information.
• Appendix J: Contact Information This appendix provides contact information for a variety of Linksys resources, including Technical Support.
Chapter 1: Introduction What’s in this Guide?
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Chapter 2: Planning Your Wireless Network

Network Topology
A wireless local area network is exactly like a regular local area network (LAN), except that each computer in the wireless network uses a wireless device to connect to the network. Computers in a wireless network share the same frequency channel and SSID, which is an identification name shared by the wireless devices belonging to the same wireless network.
Ad-Hoc versus Infrastructure Mode
Unlike wired networks, wireless networks have two different modes in which they may be set up: infrastructure and ad-hoc. An infrastructure configuration is a wireless and wired network communicating to each other through an access point. An ad-hoc configuration is wireless-equipped computers communicating directly with each other. Choosing between these two modes depends on whether or not the wireless network needs to share data or peripherals with a wired network or not.
If the computers on the wireless network need to be accessible by a wired network or need to share a peripheral, such as a printer, with the wired network computers, the wireless network should be set up in Infrastructure mode. The basis of Infrastructure mode centers around a wireless router or an access point, which serves as the main point of communications in a wireless network. The Router transmits data to PCs equipped with wireless network adapters, which can roam within a certain radial range of the Router. You can arrange the Router and multiple access points to work in succession to extend the roaming range, and you can set up your wireless network to communicate with your Ethernet hardware as well.
If the wireless network is relatively small and needs to share resources only with the other computers on the wireless network, then the Ad-Hoc mode can be used. Ad-Hoc mode allows computers equipped with wireless transmitters and receivers to communicate directly with each other, eliminating the need for a wireless router or access point. The drawback of this mode is that in Ad-Hoc mode, wireless-equipped computers are not able to communicate with computers on a wired network. And, of course, communication between the wireless­equipped computers is limited by the distance and interference directly between them.
network: a series of computers or devices connected for the purpose of data sharing, storage, and/or transmission between users.
ssid: your wireless network’s name.
ad-hoc: a group of wireless devices
communicating directly to each other (peer-to-peer) without the use of an access point.
Infrastructure: a wireless network that is bridged to a wired network via an access point.
adapter: a device that adds network functionality to your PC
ethernet: IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium
access point: a device that allows wireless­equipped computers and other devices to communicate with a wired network. Also used to expand the range of a wireless network.
Network Layout
The Wireless-G Broadband Router has been specifically designed for use with both your 802.11b and 802.11g products. Now, products using these standards can communicate with each other.
Chapter 2: Planning Your Wireless Network Network Topology
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The Wireless-G Broadband Router is compatible with all 802.11b and 802.11g adapters, such as the Notebook Adapters (WPC54G, WPC11) for your laptop computers, PCI Adapter (WMP54G, WMP11) for your desktop PC, and USB Adapter (WUSB54G, WUSB11) when you want to enjoy USB connectivity. The Router will also communicate with the Wireless PrintServer (WPS54GU2, WPS11) and Wireless Ethernet Bridges (WET54G, WET11).
When you wish to connect your wireless network with your wired network, you can use the Wireless-G Broadband Router’s four LAN ports. To add more ports, any of the Wireless-G Broadband Router's LAN ports can be connected to any of Linksys's switches (such as the EZXS55W or EZXS88W).
With these, and many other, Linksys products, your networking options are limitless. Go to the Linksys website at www.linksys.com for more information about products that work with the Wireless-G Broadband Router.
Chapter 2: Planning Your Wireless Network Network Layout
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Chapter 3: Getting to Know the Wireless-G Broadband Router

The Back Panel
The Router's ports, where the cables are connected, are located on the back panel.
Reset Button There are two ways to reset the Router's
factory defaults. Either press the Reset Button located on the bottom of the Router, for approximately five seconds, or restore the defaults from the Administration tab - Factory Defaults in the Router's Web-based Utility.
Internet The Internet port in blue is where you will
connect your broadband Internet connection.
1, 2, 3, 4 These yellow ports (1, 2, 3, 4) connect the
Router to PCs on your wired network and other Ethernet network devices.
Power The Power port is where you will connect
the power adapter.
Chapter 3: Getting to Know the Wireless-G Broadband Router The Back Panel
Figure 3-1: The Router’s Back Panel
Figure 3-2: The Router’s Reset Button
Important: Resetting the Router will erase all
of your settings (WEP Encryption, network settings, etc.) and replace them with the factory defaults. Do not reset the Router if you want to retain these settings.
port: the connection point on a computer or networking device used for plugging in cables or adapters
broadband: an always-on, fast Internet connection
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The Front Panel
The Router’s LEDs, where information about network activity is displayed, are located on the front panel.
1, 2, 3, 4 Green. These numbered LEDs, corresponding with the numbered ports on the Router’s back
panel, serve two purposes. If the LED is continuously lit, the Router is successfully connected to a device through that po
Internet Green. The Internet LED lights up when there is a connection made through the Internet
port.rt. A flashing LED indicates network activity over that port.
Wireless Green. The Wireless LED lights up whenever there is a successful wireless connection. If the
LED is flashing, the Router is actively sending or receiving data over the network.
DMZ Green. The DMZ LED indicates when the DMZ function is being used. This LED will remain lit
as long as DMZ is enabled.
Power Green. The Power LED lights up and will stay on while the Router is powered on. When the
Router goes through its self-diagnostic mode during every boot-up, this LED will flash. When the diagnostic is complete, the LED will be solidly lit.
Figure 3-3: The Router’s LEDs
dmz: removes the Router's firewall protection from one PC, allowing it to be "seen" from the Internet
Chapter 3: Getting to Know the Wireless-G Broadband Router The Front Panel
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Chapter 4: Connecting the Wireless-G Broadband Router

Overview
This chapter includes two sets of instructions. If the Wireless-G Broadband Router will be the only router in your network, follow the instructions in “Hardware Installation for Connection to Your Broadband Modem.” If you want to install the Wireless-G Broadband Router behind another router in your network, follow the instructions in “Connecting One Router to Another.”
Hardware Installation for Connection to Your Broadband Modem
1. Power down your network devices.
2. Locate an optimum location for the Router. The best place for the Router is usually at the center of your wireless network, with line of sight to all of your mobile stations.
3. Fix the direction of the antennas. Try to place the Router in a position that will best cover your wireless network. Normally, the higher you place the antenna, the better the performance will be.
4. Connect a standard Ethernet network cable to the Router’s blue Internet port. Then, connect the other end of the Ethernet cable to your cable or DSL broadband modem.
5. Connect your network PCs or Ethernet devices to the Router’s yellow ports using standard Ethernet network cabling.
6. Connect the AC power adapter to the Router's Power port and the other end into an electrical outlet. Only use the power adapter supplied with the Router. Use of a different adapter may result in product damage.
IMPORTANT: Make sure you use the power adapter that is supplied with the Router. Use of a different power adapter could damage the Router.
Now that the hardware installation is complete, proceed to “Chapter 5: Configuring the Wireless-G
Broadband Router,” for directions on using the Router’s Web-Based Utility to configure the Router’s
settings for your network.
Chapter 4: Connecting the Wireless-G Broadband Router Overview
Figure 4-1: The Router’s Ports
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Chapter 5: Configuring the Wireless-G Broadband Router

NOTE: When first installing the Router, you should
Overview
You should always use the Setup CD-ROM when first installing the Router. If you do not wish to run the Setup Wizard on the Setup CD-ROM, you can use the Web-based Utility to configure the Router. For advanced users, you may configure the Router’s advanced settings through the Web-based Utility.
This chapter will describe each web page in the Utility and each page’s key functions. The utility can be accessed via your web browser through use of a computer connected to the Router. For a basic network setup, most users will use these two screens of the Utility:
• Basic Setup. On the Basic Setup screen, enter the settings provided by your ISP.
• Management. Click the Administration tab and then the Management tab. The Router’s default password is admin. To secure the Router, change the Password from its default.
There are seven main tabs: Setup, Wireless, Security, Access Restrictions, Applications & Gaming, Administration, and Status. Additional tabs will be available after you click one of the main tabs.
use the Setup Wizard on the Setup CD-ROM. If you want to configure advanced settings, use this chapter to learn about the Web-based Utility.
HAVE YOU: Enabled TCP/IP on your PCs? PCs communicate over the network with this protocol. Refer to “Appendix D: Windows Help” for more information on TCP/IP.
To access the Web-based Utility, launch Internet Explorer or Netscape Navigator, and enter the Router’s default IP address, 192.168.1.1, in the Address field. Then, press Enter.
A password request page will appear. (Non-Windows XP users will see a similar screen.) Leave the User Name field blank. The first time you open the Web-based Utility, use the default password admin. (You can set a new password from the Administration tab’s Management screen.) Click the OK button to continue.
Chapter 5: Configuring the Wireless-G Broadband Router Overview
Figure 5-1: Password Screen
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The Setup Tab - Basic Setup
The first screen that appears displays the Setup tab. This allows you to change the Router's general settings. Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes.
Internet Setup
The Internet Setup section configures the Router to your Internet connection. Most of this information can be obtained through your ISP.
Internet Connection Type
Choose the type of Internet connection your ISP provides from the drop-down menu.
Automatic Configuration - DHCP. By default, the Router’s Internet Connection Type is set to Automatic Configuration - DHCP, which should be kept only if your ISP supports DHCP or you are connecting through a dynamic IP address.
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - Basic Setup
Figure 5-2: Setup Tab - Basic Setup
Figure 5-3: DHCP Connection Type
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Static IP. If you are required to use a permanent IP address to connect to the Internet, select Static IP.
Internet IP Address. This is the Router’s IP address, when seen from the Internet. Your ISP will provide you
with the IP Address you need to specify here.
Subnet Mask. This is the Router’s Subnet Mask, as seen by users on the Internet (including your ISP). Your ISP will provide you with the Subnet Mask.
Gateway. Your ISP will provide you with the Gateway Address, which is the ISP server’s IP address.
DNS. Your ISP will provide you with at least one DNS (Domain Name System) Server IP Address.
PPPoE. Some DSL-based ISPs use PPPoE (Point-to-Point Protocol over Ethernet) to establish Internet connections. If you are connected to the Internet through a DSL line, check with your ISP to see if they use PPPoE. If they do, you will have to enable PPPoE.
User Name and Password. Enter the User Name and Password provided by your ISP.
Connect on Demand: Max Idle Time. You can configure the Router to cut the Internet connection after it has
been inactive for a specified period of time (Max Idle Time). If your Internet connection has been terminated due to inactivity, Connect on Demand enables the Router to automatically re-establish your connection as soon as you attempt to access the Internet again. If you wish to activate Connect on Demand, click the radio button. In the Max Idle Time field, enter the number of minutes you want to have elapsed before your Internet connection terminates.
Figure 5-4: Static IP Connection Type
static ip address: a fixed address assigned to a computer or device connected to a network.
Figure 5-5: PPPoE Connection Type
Keep Alive Option: Redial Period. If you select this option, the Router will periodically check your Internet
connection. If you are disconnected, then the Router will automatically re-establish your connection. To use this option, click the radio button next to Keep Alive. In the Redial Period field, you specify how often you want the Router to check the Internet connection. The default Redial Period is 30 seconds.
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - Basic Setup
pppoe: a type of broadband connection that provides authentication (username and password) in addition to data transport
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PPTP. Point-to-Point Tunneling Protocol (PPTP) is a service that applies to connections in Europe only.
Specify Internet IP Address. This is the Router’s IP address, as seen from the Internet. Your ISP will provide
you with the IP Address you need to specify here.
Subnet Mask. This is the Router’s Subnet Mask, as seen by users on the Internet (including your ISP). Your ISP will provide you with the Subnet Mask.
Gateway. Your ISP will provide you with the Gateway Address.
User Name and Password. Enter the User Name and Password provided by your ISP.
Connect on Demand: Max Idle Time. You can configure the Router to cut the Internet connection after it has
been inactive for a specified period of time (Max Idle Time). If your Internet connection has been terminated due to inactivity, Connect on Demand enables the Router to automatically re-establish your connection as soon as you attempt to access the Internet again. If you wish to activate Connect on Demand, click the radio button. In the Max Idle Time field, enter the number of minutes you want to have elapsed before your Internet connection terminates.
Keep Alive Option: Redial Period. If you select this option, the Router will periodically check your Internet connection. If you are disconnected, then the Router will automatically re-establish your connection. To use this option, click the radio button next to Keep Alive. In the Redial Period field, you specify how often you want the Router to check the Internet connection. The default Redial Period is 30 seconds.
Telstra BigPond. Telstra BigPond is a service that applies to connections in Australia only.
User Name and Password. Enter the User Name and Password provided by your ISP.
Heart Beat Server. This is the IP address that the Router has, when seen from the Internet. Your ISP will
provide you with the IP Address you need to specify here.
Figure 5-6: PPTP Connection Type
Figure 5-7: Telstra BigPond Connection Type
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - Basic Setup
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Optional Settings
Some of these settings may be required by your ISP. Verify with your ISP before making any changes.
Router Name. In this field, you can type a name of up to 39 characters to represent the Router.
Host Name/Domain Name. These fields allow you to supply a host and domain name for the Router. Some ISPs,
usually cable ISPs, require these names as identification. You may have to check with your ISP to see if your broadband Internet service has been configured with a host and domain name. In most cases, leaving these fields blank will work.
MTU. MTU is the Maximum Transmission Unit. It specifies the largest packet size permitted for Internet transmission. The default setting, Manual, allows you to enter the largest packet size that will be transmitted. The recommended size, entered in the Size field, is 1492. You should leave this value in the 1200 to 1500 range. To have the Router select the best MTU for your Internet connection, select Auto.
Network Setup
The Network Setup section changes the settings on the network connected to the Router’s Ethernet ports. Wireless Setup is performed through the Wireless tab.
Router IP
Figure 5-8: Optional Settings
packet: a unit of data sent over a network
This presents both the Router’s IP Address and Subnet Mask as seen by your network.
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - Basic Setup
Figure 5-9: Router IP
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Network Address Server Settings (DHCP)
The settings allow you to configure the Router’s Dynamic Host Configuration Protocol (DHCP) server function. The Router can be used as a DHCP server for your network. A DHCP server automatically assigns an IP address to each computer on your network. If you choose to enable the Router’s DHCP server option, you must configure all of your network PCs to connect to a DHCP server (the Router), and make sure there is no other DHCP server on your network.
DHCP Server. DHCP is enabled by factory default. If you already have a DHCP server on your network, or you don’t want a DHCP server, then click the Disable radio button (no other DHCP features will be available).
Starting IP Address. Enter a value for the DHCP server to start with when issuing IP addresses. Because the Router’s default IP address is 192.168.1.1, the Starting IP Address must be 192.168.1.2 or greater, but smaller than 192.168.1.253. The default Starting IP Address is 192.168.1.100.
Maximum Number of DHCP Users. Enter the maximum number of PCs that you want the DHCP server to assign IP addresses to. This number cannot be greater than 253. The default is 50.
Client Lease Time. The Client Lease Time is the amount of time a network user will be allowed connection to the Router with their current dynamic IP address. Enter the amount of time, in minutes, that the user will be “leased” this dynamic IP address. After the time is up, the user will be automatically assigned a new dynamic IP address. The default is 0 minutes, which means one day.
Static DNS (1,2). The Domain Name System (DNS) is how the Internet translates domain or website names into Internet addresses or URLs. Your ISP will provide you with at least one DNS Server IP Address. If you wish to use another, type that IP Address in one of these fields. You can type up to three DNS Server IP Addresses here. The Router will use these for quicker access to functioning DNS servers.
Time Setting
Change the time zone in which your network functions from this pull-down menu. (You can even automatically adjust for daylight savings time.)
Figure 5-10: Network Address Server Settings
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - Basic Setup
Figure 5-11: Time Setting
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The Setup Tab - DDNS
The Router offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server, or other server behind the Router. Before you can use this feature, you need to sign up for DDNS service at www.dyndns.org, a DDNS service providers.
DDNS Service. From this pull-down menu, enter the DDNS service with which you have membership.
User Name. Enter the User Name for your DDNS account
Password. Enter the Password for your DDNS account.
Host Name. The is the DDNS URL assigned by the DDNS service.
Internet IP Address. This is the Router’s current IP Address as seen on the Internet.
Status. This displays the status of the DDNS connection.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes.
Figure 5-12: Setup Tab - DDNS
ddns: allows the hosting of a website, FTP server, or e-mail server with a fixed domain name (e.g., www.xyz.com) and a dynamic IP address
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - DDNS
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The Setup Tab - MAC Address Clone
A MAC address is a 12-digit code assigned to a unique piece of hardware for identification. Some ISPs will require you to register a MAC address in order to access the Internet. If you do not wish to re-register the MAC address with your ISP, you may assign the MAC address you have currently registered with your ISP to the Router with the MAC Address Clone feature.
Enable/Disable. To have the MAC Address cloned, click the radio button beside Enable.
User Defined Entry. Enter the MAC Address registered with your ISP here.
Clone Your PC’s MAC. Clicking this button will clone the MAC address.
Change these settings as described here and click the Save Settings button to apply your changes or Cancel Changes to cancel your changes.
Figure 5-13: Setup Tab - MAC Address Clone
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - MAC Address Clone
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The Setup Tab - Advanced Routing
This tab is used to set up the Router’s advanced functions. NAT Mode allows you to select the type(s) of advanced functions you use. Static Routing sets up a fixed route to another network destination.
NAT Mode. Select the mode in which this Router will function. If this Router is hosting your network’s connection to the Internet, select Enable. If another Router exists on your network, select Disable.
Dynamic Routing. With Dynamic Routing you can enable the Router to automatically adjust to physical changes in the network’s layout. The Router, using the RIP protocol, determines the network packets’ route based on the fewest number of hops between the source and the destination. The RIP protocol regularly broadcasts routing information to other routers on the network.
RIP. To use dynamic routing, click the Disabled radio button.
Receive RIP Version. To use dynamic routing for reception of network data, select the protocol you want: Both RIP v1 and v2, RIPv1, or RIPv2. If you do not want to use this feature, select None.
Transmit RIP Version. To use dynamic routing for transmission of network data, select the protocol you want: Both RIP v1 and v2, RIPv1, or RIPv2. If you do not want to use this feature, select None.
Static Routing. To set up a static route between the Router and another network, select a number from the Static
Routing drop-down list. (A static route is a pre-determined pathway that network information must travel to reach a specific host or network.) Enter the information described below to set up a new static route. (Click the Delete
This Entry button to delete a static route.)
Enter Route Name. Enter a name for the Route here, using a maximum of 25 alphanumeric characters.
Destination LAN IP. The Destination LAN IP is the address of the remote network or host to which you want to
assign a static route.
Subnet Mask. The Subnet Mask determines which portion of a Destination LAN IP address is the network portion, and which portion is the host portion.
Default Gateway. This is the IP address of the gateway device that allows for contact between the Router and the remote network or host.
Interface. This interface tells you whether the Destination IP Address is on the LAN & Wireless (Ethernet and wireless networks), the WAN (Internet), or Loopback (a dummy network in which one PC acts like a network—necessary for certain software programs).
Figure 5-14: Setup Tab - Advanced Routing
default gateway: a device that forwards Internet traffic from your local area network
Figure 5-15: Setup Tab - Advanced Routing - NAT Mode
Click the Show Routing Table button to view the Static Routes you’ve already set up.
Chapter 5: Configuring the Wireless-G Broadband Router The Setup Tab - Advanced Routing
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