Cisco Linksys AG310 Manuale utente

Model No.

with VoIP

ADSL2+ Gateway

AG310

User Guide

ADSL2+ Gateway with VoIP

Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco

rights reserved. Other brands and product names are trademarks or registered trademarks of their respective

holders.

How to Use this Guide

Your Guide to the ADSL Gateway has been designed to make understanding networking with the Gateway easier

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

In addition to these symbols, there are definitions for technical terms that are presented like this:

Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like

this:

Figure numbers and descriptions can also be found in the “List of Figures” section in the “Table of Contents”.

This exclamation point means there is a Caution or

Warning and is something that could damage your

property or the Gateway.

word: definition.

This checkmark means there is a Note of interest and

is something you should pay special attention to while

using the Gateway.

This question mark provides you with a reminder about

something you might need to do while using the Gateway.

Figure 0-1: Sample Figure Description

AG310-UG-70417B RR

ADSL2+ Gateway with VoIP

Table of Contents

Chapter 1: Introduction 1

Welcome 1

What’s in this User Guide? 2

Chapter 2: Planning Your Network 3

The Gateway’s Functions 3

IP Addresses 3

Chapter 3: Getting to Know the ADSL Gateway 5

Back Panel 5

LEDs on the Front and Side Panel 6

Chapter 4: Connecting the ADSL2+ Gateway with VoIP 7

Overview 7

Connecting the Gateway to a Computer 7

Chapter 5: Using the Interactive Voice Response Menu 9

Overview 9

Accessing the Interactive Voice Response Menu 9

Using the Interactive Voice Response Menu 9

Entering a Password 13

Configuring the Settings for Your Internet Phone Service 13

Chapter 6: Configuring the ADSL2+ Gateway 14

Overview 14

How to Access the Web-Based Utility 16

The Setup - Basic Setup Tab 16

The Setup - DDNS Tab 22

The Setup - Advanced Routing Tab 23

The Setup - Voice Tab 25

The Security - Firewall Tab 33

The Security - VPN Tab 34

The Access Restriction - Internet Access Tab 37

The Applications & Gaming - Single Port Forwarding Tab 39

The Applications & Gaming - Port Range Forwarding Tab 40

The Applications & Gaming - Port Triggering Tab 40

ADSL2+ Gateway with VoIP

The Applications & Gaming - DMZ Tab 41

The Applications & Gaming - QoS Tab 41

The Applications & Gaming - ALG Tab 43

The Administration - Management Tab 44

The Administration - Reporting Tab 47

The Administration - Diagnostics Tab 48

The Administration - Backup & Restore Tab 48

The Administration - Factory Defaults Tab 49

The Administration - Firmware Upgrade Tab 49

The Administration - Reboot Tab 50

The Status - Gateway Tab 50

The Status - Local Network Tab 50

The Status - DSL Connection Tab 51

Appendix A: Troubleshooting 52

Common Problems and Solutions 52

Frequently Asked Questions 61

Appendix B: Finding the MAC Address and

IP Address for Your Ethernet Adapter 65

Windows 98 or Me Instructions 65

Windows 2000 or XP Instructions 66

Appendix C: Upgrading Firmware 67

Appendix D: Glossary 68

Appendix E: Specifications 73

Appendix F: Warranty Information 75

Appendix G: Regulatory Information 76

Appendix H: Contact Information 82

ADSL2+ Gateway with VoIP

List of Figures

Figure 2-1: Network 3

Figure 3-1: Back Panel 5

Figure 3-2: Front Panel 6

Figure 4-1: Connect the ADSL Line 7

Figure 4-2: Connect the Voice Line 7

Figure 4-3: Connect a Phone 8

Figure 4-4: Connect a PC 8

Figure 4-5: Connect the Power 8

Figure 6-1: Login Screen 16

Figure 6-2: Basic Setup 16

Figure 6-3: RFC 1483 Bridged - Dynamic IP 17

Figure 6-4: RFC 1483 Bridged - Static IP 18

Figure 6-5: RFC 1483 Routed 18

Figure 6-6: IPoA 18

Figure 6-7: RFC 2516 PPPoE 19

Figure 6-8: RFC 2364 PPPoA 19

Figure 6-9: Bridged Mode Only 20

Figure 6-10: Optional Settings 20

Figure 6-11: Advanced DHCP 21

Figure 6-12: DynDNS.org 22

Figure 6-13: TZO.com 22

Figure 6-14: Advanced Routing 23

Figure 6-15: Routing Table 24

Figure 6-16: PVC Routing 24

Figure 6-17: Setup - Voice - Info 25

Figure 6-18: Setup - Voice - System 29

Figure 6-19: Setup - Voice - User 1 30

Figure 6-20: Setup - Voice - PSTN User 32

Figure 6-21: Firewall 33

Figure 6-22: Firewall Log 33

Figure 6-23: The VPN Panel 34

Figure 6-24: VPN Settings Summary 34

ADSL2+ Gateway with VoIP

Figure 6-25: Advanced VPN Settings 36

Figure 6-26: VPN Log 36

Figure 6-27: Internet Access 37

Figure 6-28: Internet Policy Summary 37

Figure 6-29: List of PCs 38

Figure 6-30: Add/Edit Service 38

Figure 6-31: Single Port Forwarding 39

Figure 6-32: Port Range Forwarding 40

Figure 6-33: Port Triggering 40

Figure 6-34: DMZ 41

Figure 6-35: QoS 41

Figure 6-36: Edit List of QoS Settings 42

Figure 6-37: ALG 43

Figure 6-38: Management 44

Figure 6-39: Allowed IP - IP Range 45

Figure 6-40: Reporting 47

Figure 6-41: System Log 47

Figure 6-42: Ping Test 48

Figure 6-43: Backup&Restore 48

Figure 6-44: Factory Defaults 49

Figure 6-45: Firmware Upgrade 49

Figure 6-46: Reboot 50

Figure 6-47: Gateway 50

Figure 6-48: Local Network 50

Figure 6-49: DHCP Active IP Table 51

Figure 6-50: ARP/RARP Table 51

Figure 6-51: Status - DSL Connection 51

Figure B-1: IP Configuration Screen 65

Figure B-2: MAC Address/Adapter Address 65

Figure B-3: MAC Address/Physical Address 66

Figure C-1: Firmware Upgrade 67

Chapter 1: Introduction

Welcome

ADSL2+ Gateway with VoIP

Chapter 1: Introduction

Welcome

Thank you for choosing the AG310 ADSL2+ Gateway with VoIP. This Gateway will provide your computers with a

high-speed Internet connection as well as access to local resources, including files and printers.

How does the Gateway do all of this? By connecting the Internet, as well as your computers and peripherals, to

the Gateway, you create a LAN, or Local Area Network. The Gateway lets devices on the network communicate

with each other, and it can direct and control communications for your network.

To protect your data and privacy, the Gateway features an advanced firewall to keep out Internet intruders.

Sensitive communications can be protected by powerful data encryption. In addition, you can safeguard your

family with parental control features such as Internet access restrictions and keyword blocking. You can

configure the Gateway’s settings through the easy-to-use, browser-based utility.

But what does all of this mean?

Networks are useful tools for sharing Internet access and 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 not only are useful in homes and offices, but also can be fun.

With your PCs and peripherals all connected to each other and to the Internet, you can now share files and

Internet access—and even play games. All the while, the ADSL Gateway protects your network from

unauthorized and unwelcome users.

lan (local area network): The computers and

networking products that make up the network in

your home or office.

network: a series of computers or devices

connected for the purpose of data sharing,

storage, and/or transmission between users

Chapter 1: Introduction

What’s in this User Guide?

ADSL2+ Gateway with VoIP

What’s in this User Guide?

This user guide covers the steps for setting up and using the ADSL Gateway.

• Chapter 1: Introduction

This chapter describes applications of the ADSL Gateway and this User Guide.

• Chapter 2: Planning Your Network

This chapter describes the basics of networking.

• Chapter 3: Getting to Know the ADSL Gateway

This chapter describes the physical features of the Gateway.

• Chapter 4: Connecting the ADSL Gateway

This chapter instructs you on how to connect the Gateway to your network.

• Chapter 5: Using the Interactive Voice Response Menu

This chapter explains how to use the Interactive Voice Response Menu.

• Chapter 6: Configuring the ADSL2+ Gateway

This chapter explains how to use the Web-based Utility to configure the settings on the Gateway.

• Appendix A: Troubleshooting

This appendix describes some problems and solutions, as well as frequently asked questions, regarding

installation and use of the ADSL Gateway.

• Appendix B: 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 MAC filtering and/or MAC address cloning feature of the Gateway.

• Appendix C: Upgrading Firmware

This appendix instructs you on how to upgrade the firmware on the Gateway if you should need to do so.

• 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 Gateway.

• Appendix F: Warranty Information

This appendix supplies the warranty information for the Gateway.

• Appendix G: Regulatory Information

This appendix supplies the regulatory information regarding the Gateway.

• Appendix H: Contact Information

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

Chapter 2: Planning Your Network

The Gateway’s Functions

ADSL2+ Gateway with VoIP

Chapter 2: Planning Your Network

The Gateway’s Functions

A Gateway is a network device that connects two networks together.

In this instance, the Gateway connects your Local Area Network (LAN), or the group of computers in your home or

office, to the Internet. The Gateway processes and regulates the data that travels between these two networks.

The Gateway’s NAT feature protects your network of computers so users on the public, Internet side cannot “see”

your computers. This is how your network remains private. The Gateway protects your network by inspecting

every packet coming in through the Internet port before delivery to the appropriate computer on your network.

The Gateway 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 computer on the LAN side.

Remember that the Gateway’s ports connect to two sides. The LAN ports connect to the LAN, and the ADSL port

connects to the Internet. The LAN ports transmit data at 10/100Mbps.

IP Addresses

What’s an IP Address?

IP stands for Internet Protocol. Every device on an IP-based network, including computers, print servers, and

Gateways, 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 an IP address to your network devices. You can

assign static IP addresses or use the Gateway to assign IP addresses dynamically.

Static IP Addresses

A static IP address is a fixed IP address that you assign manually to a computer 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 must be unique and are

commonly used with network devices such as server computers or print servers.

NOTE: Since the Gateway is a device that connects

two networks, it needs two IP addresses—one for

the LAN, and one for the Internet. In this User Guide,

you’ll see references to the “Internet IP address”

and the “LAN IP address.”

Since the Gateway uses NAT technology, the only IP

address that can be seen from the Internet for your

network is the Gateway’s Internet IP address.

However,even this Internet IP address can be

blocked, so that the Gateway and network seem

invisible to the Internet—see the Block WAN

Requests description under Security in “Chapter 6:

Configuring the ADSL2+ Gateway.”

Figure 2-1: Network

ip (internet protocol): a protocol used to send data

over a network

Chapter 2: Planning Your Network

IP Addresses

ADSL2+ Gateway with VoIP

Since you use the Gateway to share your 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

Gateway. You can get that information from your ISP.

Dynamic IP Addresses

A dynamic IP address is automatically assigned to a device on the network, such as computers and print servers.

These IP addresses are called “dynamic” because they are only temporarily assigned to the computer or device.

After a certain time period, they expire and may change. If a computer logs onto the network (or the Internet) and

its dynamic IP address has expired, the DHCP server will automatically assign it a new dynamic IP address.

DHCP (Dynamic Host Configuration Protocol) Servers

Computers and other network devices using dynamic IP addressing are assigned a new IP address by a DHCP

server. The computer 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.

A DHCP server can either be a designated computer on the network or another network device, such as the

Gateway. By default, the Gateway’s DHCP Server function is enabled.

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 Gateway, see the DHCP section in “Chapter 6: Configuring the ADSL2+

Gateway.”

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