Linksys RT31P2 User Manual

Name: Linksys RT31P2
Brand: Linksys
SKU: 805582
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	®
A Division of Cisco Systems, Inc.
	Broadband Router
	with 2 Phone Ports
VoIP	Installation and Troubleshooting Guide
	Installation and Troubleshooting Guide
	Model No. RT31P2

Broadband Router with 2 Phone Ports

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 © 2004 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 Guide

Your guide to the Broadband Router has been designed to make understanding networking with the Phone

Adapter easier than ever. Look for the following items when reading this Guide:

This exclamation point means there is a caution or warning and is something that could damage your property or the Router.

This question mark provides you with a reminder about something you might need to do while using the Router.

This checkmark means there is a note of interest and is something you should pay special attention to while using the 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.

RT31P2-UG-41011H BW

Table of Contents

Broadband Router with 2 Phone Ports

Chapter 1: Introduction	1
Welcome	1
What’s in this Guide?	2
Chapter 2: Networking Basics	5
An Introduction to Local Area Networks	5
The Use of IP Addresses	5
Chapter 3: Getting to Know the Router	7
The Back Panel	7
The Front Panel	8
Chapter 4: Connecting the Router	11
Overview	11
Connection Instructions	12
Chapter 5: Configuring the Router	13
Overview	13
How to Access the Web-based Utility	15
The Setup Tab - Basic Setup	16
The Setup Tab - DDNS	23
The Setup Tab - MAC Address Clone	25
The Setup Tab - Advanced Routing	26
The Security Tab - Filter	28
The Security Tab - VPN Passthrough	30
The Voice Tab	31
The Applications & Gaming Tab - Port Range Forwarding	31
The Applications & Gaming Tab - Port Triggering	32

Broadband Router with 2 Phone Ports
The Applications & Gaming Tab - UPnP Forwarding	33
The Applications & Gaming Tab - DMZ	36
The Applications & Gaming Tab - QoS	37
The Administration Tab - Management	40
The Administration Tab - Log	42
The Administration Tab - Factory Defaults	43
The Administration Tab - Firmware Upgrade	43
The Status Tab - Voice	44
The Status Tab - Router	45
The Status Tab - Local Network	46
Appendix A: Troubleshooting	47
Common Problems and Solutions	47
Frequently Asked Questions	61
Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter	67
Windows 98 or Me Instructions	67
Windows 2000 or XP Instructions	68
For the Router’s Web-based Utility	68
Appendix C: Windows Help	69
Appendix D: Glossary	71
Appendix E: Specifications	77
Appendix F: Warranty Information	79
Appendix G: Regulatory Information	81
Appendix H: Contact Information	83

List of Figures

Broadband Router with 2 Phone Ports

Figure 3-1: Back Panel	7
Figure 3-2: Front Panel	8
Figure 4-1: Router Connection Diagram	11
Figure 4-1: Connect a PC	12
Figure 4-2: Connect a Telephone	12
Figure 4-3: Connect the Modem	12
Figure 4-4: Connect the Power	12
Figure 5-1: Router’s IP Address	15
Figure 5-2: Router Login	15
Figure 5-3: Setup Tab - Basic Setup (Obtain an IP automatically)	16
Figure 5-4: Static IP	17
Figure 5-5: PPPoE	18
Figure 5-6: RAS (for Singtel)	18
Figure 5-7: PPTP	19
Figure 5-8: Heart Beat Signal	20
Figure 5-9: Setup Tab - DDNS (DynDNS.org)	24
Figure 5-10: Setup Tab - DDNS (TZO.com)	24
Figure 5-11: Setup Tab - MAC Address Clone	25
Figure 5-12: Setup Tab - Advanced Routing	26
Figure 5-13: Routing Table Entry List	27
Figure 5-14: Security Tab - Filter	28
Figure 5-15: Filtered MAC Address	29

Broadband Router with 2 Phone Ports
Figure 5-16: Security Tab - VPN Passthrough	30
Figure 5-17: Voice Tab	31
Figure 5-18: Applications & Gaming Tab - Port Range Forwarding	31
Figure 5-19: Applications & Gaming Tab - Port Triggering	32
Figure 5-20: Applications & Gaming Tab - UPnP Forwarding	33
Figure 5-21: Applications & Gaming Tab - DMZ	36
Figure 5-22: Applications & Gaming Tab - QoS	37
Figure 5-23: Administration Tab - Management	40
Figure 5-24: Back up & Restore Configuration	41
Figure 5-25: Administration Tab - Log	42
Figure 5-26: Incoming Log Table	42
Figure 5-27: Outgoing Log Table	42
Figure 5-28: Administration Tab - Factory Defaults	43
Figure 5-29: Administration Tab - Firmware Upgrade	43
Figure 5-30: Status Tab - Voice	44
Figure 5-31: Status Tab - Router	45
Figure 5-32: Status Tab - Local Network	46
Figure 5-33: DHCP Active IP Table	46
Figure B-1: IP Configuration Screen	67
Figure B-2: MAC/Adapter Address	67
Figure B-3: MAC/Physical Address	68
Figure B-4: MAC Address Clone	68
Figure B-5: MAC Address Filter	68

Chapter 1: Introduction

Welcome

Thank you for choosing the Broadband Router with 2 Phone Ports. This Router will allow your computers to share a high-speed Internet connection as well as resources, including files and printers. And after you have set up your Internet phone service, you will be able to make phone or fax calls using your Internet connection.

How does the Router do all of this? By connecting your computers and peripherals, including phones or fax machines, to the Router and connecting the Router to your cable or DSL modem, then the Router can direct and control communications for your network.

But what does all of this mean?

Networks are useful tools for sharing Internet access and computer resources. Multiple computers can share Internet access, so you don’t need more than one high-speed Internet connection. With Internet phone service, your Internet access can now be shared by your phones or fax machines as well. You will be able to make phone calls using the account you set up with your Internet phone service, even while you’re surfing the Internet. Plus, 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 not only are useful in homes and offices, but also can

be fun.

PCs on a wired network create a LAN, or Local Area Network. They are connected with Ethernet cables, which is why the network is called “wired”.

Chapter 1: Introduction

Broadband Router with 2 Phone Ports

lan (local area network): the computers and networking products that make up the network in your home or office.

ethernet: an IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium.

Welcome

Broadband Router with 2 Phone Ports

To create your network, install and set up the Router. To guide you through the process, Linksys strongly recommends that you run the Setup Wizard on the Setup CD-ROM. If you prefer to manually set up the Router, use the instructions in the Quick Installation or this Installation and Troubleshooting Guide to help you. These instructions should be all you need to get the most out of the Router.

What’s in this Guide?

This guide covers the basic steps for setting up a network with a router. After going through “Chapter 3: Getting to Know the Router,” most users will only need to use the following chapters:

•Chapter 4: Connecting the Router

This chapter instructs you on how to connect the Router to your cable or DSL modem, PCs, and telephones (or fax machines).

•Chapter 5: Configuring the Router

This chapter explains how to configure the Router using your web browser and the Router’s Web-based Utility. You will configure the Router using the settings provided by your ISP.

When you’re finished with the basic steps, then you are ready to connect to the Internet.

You also have other chapters available for reference:

•Chapter 1: Introduction

This chapter describes the Router’s applications and this Installation and Troubleshooting Guide.

•Chapter 2: Networking Basics

This chapter briefly explains how a network functions.

Chapter 1: Introduction

What’s in this Guide?

Broadband Router with 2 Phone Ports

•Appendix A: Troubleshooting

This appendix describes some possible problems and solutions, as well as frequently asked questions, regarding installation and use of the Router.

•Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter

This appendix instructs you on how to find the MAC address or Ethernet address of your PC’s Ethernet network adapter.

•Appendix C: Windows Help

This appendix describes how you can use Windows Help for instructions about networking, such as installing the TCP/IP protocol.

•Appendix D: Glossary

This appendix gives a brief glossary of terms frequently used in networking.

•Appendix E: Specifications

This appendix provides the technical specifications for the Router.

•Appendix F: Warranty Information

This appendix supplies the warranty information for the Router.

•Appendix G: Regulatory Information

This appendix supplies the regulatory information regarding the Router.

•Appendix H: Contact Information

This appendix provides contact information for a variety of Linksys resources, including Technical Support.

Chapter 1: Introduction

What’s in this Guide?

Broadband Router with 2 Phone Ports

4	Chapter 1: Introduction
	What’s in this Guide?

Chapter 2: Networking Basics

An Introduction to Local Area Networks

Simply put, a router is a network device that connects two networks together.

The Router connects your local area network (LAN), or the group of PCs in your home or office, to the Internet. The Router processes and regulates the data that travels between these two networks.

The Router’s Network Address Translation (NAT) technology protects your network of PCs so users on the Internet cannot “see” your PCs. This is how your LAN remains private. The Router protects your network by inspecting the first packet coming in through the Internet port before delivery to the final destination on one of the Ethernet ports. The Router inspects Internet port services like the web server, ftp server, or other Internet applications, and, if allowed, it will forward the packet to the appropriate PC on the LAN side.

Broadband Router with 2 Phone Ports

nat (network address translation): NAT technology translates IP addresses of a local area network to a different IP address for the Internet.

The Use of IP Addresses

IP stands for Internet Protocol. Every device in an IP-based network, including PCs, print servers, and routers, requires an IP address to identify its location, or address, on the network. This applies to both the Internet and LAN connections.

There are two ways of assigning IP addresses to your network devices.

A static IP address is a fixed IP address that you assign manually to a PC or other device on the network. Since a static IP address remains valid until you disable it, static IP addressing ensures that the device assigned it will always have that same IP address until you change it. Static IP addresses are commonly used with network devices such as server PCs or print servers.

static ip address: a fixed address assigned to a computer or device that is connected to a network.

Chapter 2: Networking Basics

An Introduction to Local Area Networks

Broadband Router with 2 Phone Ports

If you use the Router to share your cable or DSL Internet connection, contact your ISP to find out if they have assigned a static IP address to your account. If so, you will need that static IP address when configuring the Router. You can get the information from your ISP.

A dynamic IP address is automatically assigned to a device on the network. These IP addresses are called dynamic because they are only temporarily assigned to the PC or other device. After a certain time period, they expire and may change. If a PC logs onto the network (or the Internet) and its dynamic IP address has expired, the DHCP server will assign it a new dynamic IP address.

A DHCP server can either be a designated PC on the network or another network device, such as the Router. By default, the Router’s Internet Connection Type is Obtain an IP automatically (DHCP).

The PC or network device obtaining an IP address is called the DHCP client. DHCP frees you from having to assign IP addresses manually every time a new user is added to your network.

For DSL users, many ISPs may require you to log on with a user name and password to gain access to the Internet. This is a dedicated, high-speed connection type called Point to Point Protocol over Ethernet (PPPoE). PPPoE is similar to a dial-up connection, but PPPoE does not dial a phone number when establishing a connection. It also will provide the Router with a dynamic IP address to establish a connection to the Internet.

By default, a DHCP server (on the LAN side) is enabled on the Router. If you already have a DHCP server running on your network, you MUST disable one of the two DHCP servers. If you run more than one DHCP server on your network, you will experience network errors, such as conflicting IP addresses. To disable DHCP on the Router, see the Basic Setup section in “Chapter 5: Configuring the Router.”

dynamic ip address: a temporary IP address assigned by a DHCP server.

dhcp (dynamic host configuration protocol): a protocol that lets one device on a local network, known as a DHCP server, assign temporary IP addresses to the other network devices, typically computers.

6	Chapter 2: Networking Basics
	The Use of IP Addresses

Broadband Router with 2 Phone Ports

Chapter 3: Getting to Know the Router

The Back Panel

The Router’s ports and the Reset button are located on the back panel of the Router.

	Figure 3-1: Back Panel
Internet	This Internet port connects to your cable or DSL modem.
Phone1	For your primary Internet phone line, the Phone1 port allows you to connect the Router to
	your telephone (or fax machine) using an RJ-11 telephone cable (not included).
Phone2	If you have a second Internet phone line, the Phone2 port allows you to connect the
	Router to your second telephone (or fax machine) using an RJ-11 telephone cable (not
	included).
Ethernet 1-3	These three Ethernet ports connect to network devices, such as PCs or more switches.
Reset Button	There are two ways to reset the Router's factory defaults. Either press the Reset Button,
	for five seconds, or restore the defaults from the Router's Web-based Utility.

Chapter 3: Getting to Know the Router

NOTE: The Factory Default feature of the Router’s Webbased Utility is protected by a password available only from your Internet phone service provicer. Contact your service for more information.

The Back Panel

Broadband Router with 2 Phone Ports

Power The Power port is where you will connect the power adapter.

The Front Panel

The Router’s LEDs, which inform you about network activities, are located on the front panel.

Figure 3-2: Front Panel

Power	Green. The Power LED lights up when the Router is powered on. If the LED is flashing, the
	Router is booting up, running a system self-test, or upgrading its firmware.
Ethernet 1-3	Green. The Ethernet LED serves two purposes. If the LED is solidly lit, the Router is
	connected to a device through the corresponding port (Ethernet 1, 2, or 3). If the LED is
	flashing, the Router is sending or receiving data over that port.
Phone 1-2	Green. The Phone LED is solidly lit when a telephone or fax machine has a registered
	connection to your Internet phone line through the corresponding port (Phone 1 or Phone 2).
	(The connection is registered if your Internet phone service account is active.) This LED is
	not lit when there is no registered connection. It flashes when the phone is being used or an
	incoming call has been detected.
8	Chapter 3: Getting to Know the Router
	The Front Panel

Broadband Router with 2 Phone Ports

Internet	Green. The Internet LED lights up when the Router is connected to your cable or DSL
	modem. If the LED is flashing, the Router is sending or receiving data over the Internet port.
	Proceed to “Chapter 4: Connecting the Router.”

Chapter 3: Getting to Know the Router

The Front Panel

Broadband Router with 2 Phone Ports

10	Chapter 3: Getting to Know the Router
	The Front Panel

Chapter 4: Connecting the Router

Broadband Router with 2 Phone Ports

Overview

To begin installation of the Router, you will connect the Router to your PCs, telephone(s) or fax machine(s), and cable or DSL modem. The following connection diagram illustrates a basic network setup with one desktop PC and telephone.

	Cable/DSL
Internet	Modem

Router

Telephone

Figure 4-1: Router Connection Diagram

Chapter 4: Connecting the Router

Overview

Broadband Router with 2 Phone Ports

Connection Instructions

1.Before you begin, make sure that all of your hardware is powered off, including the Router, PCs, switches, and cable or DSL modem.

2.Connect one end of an Ethernet network cable to one of the numbered ports on the back of the Router. Connect the other end to an Ethernet port on a network device, e.g., a PC, print server, or switch.

Repeat this step to connect more PCs or other network devices to the Router.

3.If necessary, disconnect the RJ-11 telephone cable of your telephone from the telephone wall jack. Then connect that end to the Router’s Phone1 port.

NOTE: Make sure your telephone is set to its tone setting (not pulse).

4.If you have a second Internet phone or fax line, repeat step 3 to connect a telephone or fax machine to the Router’s Phone2 port.

5.Connect your cable or DSL modem’s Ethernet cable to the Router’s Internet port.

6.Power on the cable or DSL modem.

7.Connect the included power adapter to the Router’s Power port, and then plug the power adapter into an electrical outlet. The Power LED on the front panel will light up when the adapter is connected properly.

8.Power on your PC(s).

Proceed to “Chapter 5: Configuring the Router.”

Figure 4-1: Connect a PC

Figure 4-2: Connect a Telephone

Figure 4-3: Connect the Modem

Figure 4-4: Connect the Power

Chapter 4: Connecting the Router

Connection Instructions

Chapter 5: Configuring the Router

Overview

Linksys recommends using the Setup CD-ROM for first-time installation of the Router. If you do not wish to run the Setup Wizard on the Setup CD-ROM, then 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 on 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 only have to use the following screens of the Utility:

•Basic Setup. On the Basic Setup screen, enter the Internet connection settings provided by your ISP. If you do not have this information, you can call your ISP to request the settings. Once you have the setup information for your specific type of Internet connection, then you can configure the Router.

•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 six main tabs: Setup, Security, Voice, Applications & Gaming, Administration, and Status. Additional tabs will be available after you click one of the main tabs.

Setup

•Basic Setup. Enter the Internet connection and network settings on this screen.

•DDNS. Enable the Router’s Dynamic Domain Name System (DDNS) feature on this screen.

Chapter 5: Configuring the Router

Broadband Router with 2 Phone Ports

Overview

Broadband Router with 2 Phone Ports

•MAC Address Clone. If you need to clone a MAC address onto the Router, use this screen.

•Advanced Routing. On this screen, you can alter Network Address Translation (NAT), Dynamic Routing, and Static Routing configurations.

Security

•Filter. To block specific users from Internet access, you can set up IP address, port, and MAC address filtering.

•VPN Passthrough. To enable or disable IPSec, PPPoE, and/or PPTP Passthrough, use this screen.

Voice

Access to the Voice tab is restricted by your Internet phone service provider. Contact your provider for more information.

Applications & Gaming

•Port Range Forwarding. Set up public services or other specialized Internet applications on your network.

•Port Triggering. To set up triggered ranges and forwarded ranges for Internet applications, click this tab.

•UPnP Forwarding. Use this screen to alter UPnP forwarding settings.

•DMZ. Click this tab to allow one local user to be exposed to the Internet for use of special-purpose services.

•QoS. Enable QoS (Quality of Service) to maximize network performance.

Chapter 5: Configuring the Router

Overview

Administration

•Management. On this screen, alter the Router’s password, access privileges, and UPnP settings. You can also back up and restore the Router’s configuration if necessary.

•Log. If you want to view or save activity logs, click this tab.

•Factory Defaults. This feature is protected by a password available only from your Internet phone service provider. Contact your provider for more information.

•Firmware Upgrade. Firmware upgrades are performed only by your Internet phone service provider. Contact your provider for more information.

Status

•Voice. This screen provides status information about your Internet phone lines.

•Router. This screen provides status information about the Router.

•Local Network. This provides status information about the local network.

How to Access the Web-based Utility

To access the Web-based Utility of the Router, launch Internet Explorer or Netscape Navigator, and enter the Router’s default IP address, 192.168.15.1, in the Address field. Press the Enter key.

A screen will appear asking you for your User name and Password. Enter admin in the User Name and Password fields. Then click the OK button.

Chapter 5: Configuring the Router

Broadband Router with 2 Phone Ports

Figure 5-1: Router’s IP

Address

Figure 5-2: Router Login

How to Access the Web-based Utility

Broadband Router with 2 Phone Ports

Make the necessary changes through the Utility. When you have finished making changes to a screen, click the Save Settings button to save the changes, or click the Cancel Changes button to undo your changes. Help information is shown on the right-hand side of a screen. For additional help on a tab, click More.

The Setup Tab - Basic Setup

The Basic Setup screen is the first screen you see when you access the Web-based Utility.

Internet Setup

The Internet Setup section configures the Router for your Internet connection type. This information can be obtained from your ISP.

Internet Connection Type

The Router supports six connection types: Obtain an IP automatically (DHCP), Static IP, PPPoE, RAS, PPTP, and Heart Beat Signal. Each Basic Setup screen and available features will differ depending on what kind of connection type you select.

Obtain an IP automatically

By default, the Router’s Internet Connection Type is set to Obtain an IP automatically, and it should be used only if your ISP supports DHCP or you are connecting through a dynamic IP address.

Figure 5-3: Setup Tab - Basic Setup

(Obtain an IP automatically)

Chapter 5: Configuring the Router

The Setup Tab - Basic Setup

Static IP

If you are required to use a permanent IP address, then select Static IP.

IP Address. 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.

Subnet Mask. This is the Router’s Subnet Mask, as seen by external users on the Internet (including your ISP). Your ISP will provide you with the Subnet Mask.

Default Gateway. Your ISP will provide you with the Default Gateway Address.

DNS 1-3. 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 for end-users. If you use a DSL line, check with your ISP to see if they use PPPoE. If they do, you will have to enable it.

User Name and Password. Enter the User Name and Password provided by your ISP.

Service Name. If provided by your ISP, enter the Service Name.

Connect on Demand and Max Idle Time. You can configure the Router to cut the Internet connection after it has been inactive for a specific 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. If you want your Internet connection to remain on at all times, enter 0 in the Max Idle

Broadband Router with 2 Phone Ports

Figure 5-4: Static IP

static ip address: a fixed address assigned to a computer or device connected to a network.

subnet mask: an address code that determines the size of the network

default gateway: a device that forwards Internet traffic from your local area network

pppoe: a type of broadband connection that provides authentication (username and password) in addition to data transport

Chapter 5: Configuring the Router

The Setup Tab - Basic Setup

Broadband Router with 2 Phone Ports

Time field. Otherwise, enter the number of minutes you want to have elapsed before your Internet access disconnects.

Keep Alive and Redial Period. This option keeps your PPPoE-enabled Internet access connected indefinitely, even when it sits idle. If you select this option, the Router will periodically check your Internet connection. If the connection is down, then the Router will automatically re-establish the connection. To use this option, click the radio button next to Keep Alive. The default Redial Period is 30 seconds.

When you are finished, click the Save Settings button. Then click the Status tab, and click the Connect button to start the connection.

RAS (for SingTel)

Remote Access Service (RAS) is a service that applies to connections in Singapore only. For users in Singapore, check with Singtel for information on RAS.

User Name and Password. Enter the User Name and Password supplied by Singtel.

RAS Plan. Select the type of plan you have.

Figure 5-5: PPPoE

NOTE: For DSL users, if you need to enable PPPoE support, remember to remove any PPPoE applications that are installed on your PCs.

Figure 5-6: RAS (for Singtel)

Chapter 5: Configuring the Router

The Setup Tab - Basic Setup

When you are finished, click the Save Settings button. Then click the Status tab, and click the Connect button to start the connection.

PPTP

Point-to-Point Tunneling Protocol (PPTP) is a service that applies to connections in Europe and Israel only.

IP Address. 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.

Subnet Mask. This is the Router’s Subnet Mask, as seen by external users on the Internet (including your ISP). Your ISP will provide you with the Subnet Mask.

Default Gateway. Your ISP will provide you with the Default Gateway Address.

User Name and Password. Enter the User Name and Password provided by your ISP.

Chapter 5: Configuring the Router

Broadband Router with 2 Phone Ports

Figure 5-7: PPTP

The Setup Tab - Basic Setup

Broadband Router with 2 Phone Ports

When you are finished, click the Save Settings button. Then click the Status tab, and click the Connect button to start the connection.

Heart Beat Signal

Heart Beat Signal is a service used in Australia only. If you are using a Heart Beat Signal connection, check with your ISP for the necessary setup information.

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 5-8: Heart Beat Signal

Chapter 5: Configuring the Router

The Setup Tab - Basic Setup

connection. If the connection is down, then the Router will automatically re-establish the connection. To use this option, click the radio button next to Keep Alive. The default Redial Period is 30 seconds.

When you are finished, click the Save Settings button. Then click the Status tab, and click the Connect button to start the connection.

Optional Settings

Some of these settings may be required by your ISP. Verify with your ISP before making any changes.

Host Name and Domain Name. These fields allow you to supply a host and domain name for the Router. Some 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. The MTU (Maximum Transmission Unit) setting specifies the largest packet size permitted for network transmission. Select Enable and enter the value desired. It is recommended that you leave this value in the 1200 to 1500 range. For most DSL users, it is recommended to use the value 1492. By default, MTU is set at 1500 when disabled.

Broadband Router with 2 Phone Ports

packet: a unit of data sent over a network

Network Setup

The Network Setup section allows you to change the Router’s local network settings.

Router IP

The values for the Router’s Local IP Address and Subnet Mask are shown here. In most cases, keeping the default values will work.

Chapter 5: Configuring the Router

The Setup Tab - Basic Setup

Broadband Router with 2 Phone Ports

Local IP Address. The default value is 192.168.15.1.

Subnet Mask. The default value is 255.255.255.0.

Network Address Server Settings (DHCP)

These 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. Unless you already have one, it is highly recommended that you leave the Router enabled as a DHCP server.

Local DHCP Server. DHCP is enabled by factory default. If you already have a DHCP server on your network, set the Router’s DHCP option to Disable. If you disable DHCP, remember to assign a static IP address to the Router.

Start IP Address. Enter a value for the DHCP server to start with when issuing IP addresses. Because the default IP address for the Router is 192.168.15.1, the Start IP Address must be 192.168.15. 2 or greater, but smaller than 192.168.15.254. The default Start IP Address is 192.168.15.100.

Number of Address (Optional). 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.

DHCP Address Range. The range of DHCP addresses is displayed here.

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 dynamic IP address has expired, the user will be automatically assigned a new dynamic IP address. The default is 0 minutes, which means one day.

dynamic ip address: a temporary IP address assigned by a DHCP server

22	Chapter 5: Configuring the Router
	The Setup Tab - Basic Setup

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