Cisco Linksys AG310 Manuale utente
Model No.
with VoIP
ADSL2+ Gateway
AG310
User Guide
ADSL2+ Gateway with VoIP
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 © 2007 Cisco Systems, Inc. All
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
8
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
1
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
2
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.
3
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
4
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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