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Motorola SBG900 User Manual 3

User Guide
SBG900
Wireless Cable Modem Gateway
Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB
WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS PRODUCT TO RAIN OR
MOISTURE. THE UNIT MUST NOT BE EXPOSED TO DRIPPING OR SPLASHING. DO NOT PLACE OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, ON THE UNIT.
CAUTION: TO ENSURE REGULATORY AND SAFETY COMPLIANCE, USE ONLY THE PROVIDED POWER AND INTERFACE CABLES. DO NOT CONNECT THE PLUG INTO AN EXTENSION CORD, RECEPTACLE, OR OTHER OUTLET UNLESS THE PLUG CAN BE FULLY INSERTED WITH NO PART OF THE BLADES EXPOSED.
CAUTION: DO NOT OPEN THE UNIT. DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE INSTALLATION AND TROUBLESHOOTING INSTRUCTIONS. REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUTION: CHANGES AND MODIFICATIONS NOT EXPRESSLY APPROVED BY MOTOROLA FOR COMPLIANCE COULD VOID USER’S AUTHORITY TO OPERATE THE EQUIPMENT.
CAUTION: Exposure to Radio Frequency Radiation. To comply with the FCC RF exposure compliance requirements, the separation distance between the antenna and any person’s body (including hands, wrists, feet and ankles) must be at least 8 inches (20 cm).
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
This device must be installed and used in strict accordance with the manufacturer’s instructions as described in the user documentation that comes with the product.
Postpone cable modem installation until there is no risk of thunderstorm or lightning activity in the area.
Do not overload outlets or extension cords, as this can result in a risk of fire or electric shock. Overloaded AC outlets, extension cords, frayed power cords, damaged or cracked wire insulation, and broken plugs are dangerous. They may result in a shock or fire hazard.
Route power supply cords so that they are not likely to be walked on or pinched by items placed upon or against them. Pay particular attention to cords where they are attached to plugs and convenience receptacles, and examine the point where they exit from the product.
Place this equipment in a location that is close enough to an electrical outlet to accommodate the length of the power cord.
Place this equipment on a stable surface.
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SBG900 User Guide
Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB
Be sure that the outside cable system is grounded, so as to provide some protection against voltage surges and built-up static charges. Article 820-20 of the NEC (Section 54, Part I of the Canadian Electrical Code) provides guidelines for proper grounding and, in particular, specifies the CATV cable ground shall be connected in the grounding system of the building, as close to the point of cable entry as practical.
When using this device, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury to persons, including the following
:
• Read all of the instructions {listed here and/or in the user manual} before you operate this equipment. Give
particular attention to all safety precautions. Retain the instructions for future reference.
• Comply with all warning and caution statements in the instructions. Observe all warning and caution symbols
that are affixed to this equipment.
• Comply with all instructions that accompany this equipment.
•
Avoid using this product during an electrical storm.
added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet, and disconnect the cable system. This will prevent damage to the product due to lightning and power surges.
There may be a risk of electric shock from lightning. For
• Avoid damaging the cable modem with static by touching the coaxial cable when it is attached to the earth
grounded coaxial cable TV wall outlet.
• Always first touch the coaxial cable connector on the cable modem when disconnecting or re-connecting USB
or Ethernet cable from the cable modem or the user’s PC.
• Operate this product only from the type of power source indicated on the product’s marking label. If you are
not sure of the type of power supplied to your home, consult your dealer or local power company.
• Upon completion of any service or repairs to this product, ask the service technician to perform safety checks
to determine that the product is in safe operating condition.
It is recommended that the customer install an AC surge protector in the AC outlet to which this device is connected. This is to avoid damaging the equipment by local lightning strikes and other electrical surges.
Different types of cord sets may be used for connections to the main supply circuit. Use only a main line cord that complies with all applicable product safety requirements of the country of use.
Installation of this product must be in accordance with national wiring codes.
Place unit to allow for easy access when disconnecting the power cord/adapter of the device from the AC wall outlet.
Wipe the unit with a clean, dry cloth. Never use cleaning fluid or similar chemicals. Do not spray cleaners directly on the unit or use forced air to remove dust.
This product was qualified under test conditions that included the use of the supplied cables between system components. To be in compliance with regulations, the user must use these cables and install them properly. Connect the unit to a grounding type AC wall outlet using the power adapter supplied with the unit.
Do not cover the device, or block the airflow to the device with any other objects. Keep the device away from excessive heat and humidity and keep the device free from vibration and dust.
Installation must at all times conform to local regulations.
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SBG900 User Guide
Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB
This product is provided with a separate
Regulatory, Safety, Software License, and Warranty Information
card. If one is not provided with this product, please ask your service provider or point-of-purchase representative, as the case may be.
• THIS PRODUCT IS IN COMPLIANCE WITH ONE OR MORE OF THE STANDARDS LISTED ON THE
REGULATORY, SAFETY, SOFTWARE LICENSE, AND WARRANTY INFORMATION
STANDARDS APPLY TO ALL MODELS.
CARD. NOT ALL
• NO WARRANTIES OF ANY KIND ARE PROVIDED BY MOTOROLA WITH RESPECT TO THIS PRODUCT,
EXCEPT AS STATED ON THE
INFORMATION
CARD. MOTOROLA’S WARRANTIES DO NOT APPLY TO PRODUCT THAT HAS BEEN
REFURBISHED OR REISSUED BY YOUR SERVICE PROVIDER.
REGULATORY, SAFETY, SOFTWARE LICENSE, AND WARRANTY
Copyright © 2003 b y Motorola, Inc.
All rights reserved. No part of this publication may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation or adaptation) without written permission from Motorola, Inc.
Motorola reserves the right to revise this publication and to make changes in content from time to time without obligation on the part of Motorola to provide notification of such revision or change. Motorola provides this guide without warranty of any kind, either implied or expressed, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Motorola may make improvements or changes in the product(s) described in this manual at any time.
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. Microsoft, Windows, Windows Me, and Windows NT are registered trademarks and Microsoft Corporation. Corporation. Linux is a registered trademark of Linus Torvalds. Acrobat Reader is a registered trademark of Adobe Systems, Inc. Netscape and Navigator are registered trademarks of States and other countries. All other
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Windows XP is a trademark of
Macintosh and AppleTalk are registered trademarks
Netscape Communications Corporation
product or service names are the property of their respective owners. © Motorola, Inc. 2003.
X
Microsoft Corporation. Microsoft Windows screen shots are used by permission of
iv
of Apple Computer, Inc. Iomega is a registered trademark of Iomega
. UNIX is a registered trademark of the Open Group in the United
SBG900 User Guide

Contents

Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Easy Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Network Connection Types . . . . . . . . . . . . . . . . . . . . . . 2
Powerful Features in a Single Unit . . . . . . . . . . . . . . . . . 3
Sample LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Label on the Bottom of the SBG900 . . . . . . . . . . . . . . . 8
SBG900 LAN Choices . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Wireless LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Wired Ethernet LAN . . . . . . . . . . . . . . . . . . . . . . . . . 10
USB Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
DMZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Port Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Wireless Security . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Port Forwarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Virtual Private Networks . . . . . . . . . . . . . . . . . . . . . . . . 14
Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . 14
Installation. . . . . . . . . . . . . . . . . . . . . . . . . 15
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Signing Up for Service . . . . . . . . . . . . . . . . . . . . . . . . . 16
Computer System Requirements . . . . . . . . . . . . . . . . . 17
Connecting the SBG900 to the Cable System . . . . . . . 18
Cabling the LAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Obtaining an IP Address for Ethernet . . . . . . . . . . . . . 19
Obtaining an IP Address in Windows 98,
Windows 98 SE, or Windows Me . . . . . . . . . . . . . . . 19
Obtaining an IP Address in Windows 2000 or
Windows XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Obtaining an IP Address on Macintosh or UNIX
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Connecting a PC to the USB Port . . . . . . . . . . . . . . . . 20
Basic Configuration . . . . . . . . . . . . . . . . . 21
Starting the SBG900 Setup Program . . . . . . . . . . . . . . 22
Changing the Default Password . . . . . . . . . . . . . . . . . 24
Enabling Remote Access . . . . . . . . . . . . . . . . . . . . . . . 25
Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Setting the Firewall Policy . . . . . . . . . . . . . . . . . . . . . . 27
Firewall > POLICY — advanced Page . . . . . . . . . . 29
Firewall > ALERT — basic Page . . . . . . . . . . . . . . . 31
Firewall > ALERT — email Page . . . . . . . . . . . . . . . 32
Firewall > LOGS Page . . . . . . . . . . . . . . . . . . . . . . 33
Gaming Configuration Guidelines . . . . . . . . . . . . . . . . 35
Configuring the Firewall for Gaming . . . . . . . . . . . . 35
Configuring Port Triggers . . . . . . . . . . . . . . . . . . . . 35
Configuring a Gaming DMZ Host
. . . . . . . . . . . . . . 36
Configuring the Gateway . . . . . . . . . . . . . 37
Gateway > STATUS Page . . . . . . . . . . . . . . . . . . . . . 38
Gateway > WAN Page . . . . . . . . . . . . . . . . . . . . . . . . 39
Gateway > LAN — nat config Page . . . . . . . . . . . . . . 41
Gateway > LAN — dhcp server config Page . . . . . . . . 42
Gateway > LAN — dhcp leases Page . . . . . . . . . . . . . 43
Gateway > PORT FORWARDING — status Page . . . 44
Gateway > PORT FORWARDING — config Page . . . 45
Gateway > PORT TRIGGERS — predefined Page . . 46
Gateway > PORT TRIGGERS — custom Page . . . . . 48
Gateway > LOG Page . . . . . . . . . . . . . . . . . . . . . . . . . 49
Configuring TCP/IP . . . . . . . . . . . . . . . . . . 50
Configuring TCP/IP in Windows 95, Windows 98, or
Windows Me . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Configuring TCP/IP in Windows 2000 . . . . . . . . . . . . . 53
Configuring TCP/IP in Windows XP . . . . . . . . . . . . . . 57
Verifying the IP Address in Windows 95, Windows 98, or
Windows Me . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Verifying the IP Address in Windows 2000 or Windows XP . 62
Setting Up the Wireless LAN . . . . . . . . . . 64
Configuring the Wireless Network Name on the SBG900 .65
Configuring WEP on the SBG900 . . . . . . . . . . . . . . . . 67
Configuring a MAC Access Control List on the SBG900 . .68
Configuring the Wireless Clients . . . . . . . . . . . . . . . . . 69
Configuring a Wireless Client with a Network
Name (ESSID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Configuring a Wireless Client for WEP . . . . . . . . . . 69
Wireless Pages in the SBG900 Setup Program . . . . . 70
Wireless > STATUS Page . . . . . . . . . . . . . . . . . . . . 71
Wireless > NETWORK Page . . . . . . . . . . . . . . . . . . 72
Wireless > SECURITY — basic Page . . . . . . . . . . . 74
Wireless > SECURITY — advanced Page . . . . . . . 75
Wireless > STATISTICS page . . . . . . . . . . . . . . . . . 76
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Configuration: Basic Gateway TCP/IP Wireless USB
Setting Up a USB Driver. . . . . . . . . . . . . . 78
Setting Up a USB Driver in Windows 98 . . . . . . . . . . .79
Setting Up a USB Driver in Windows 2000 . . . . . . . . .83
Setting Up a USB Driver in Windows Me . . . . . . . . . . .86
Setting Up a USB Driver in Windows XP . . . . . . . . . . . 87
Removing the USB Driver from Windows 98 or
Windows Me . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Removing the USB Driver from Windows 2000 . . . . . . 91
Removing the USB Driver from Windows XP . . . . . . . .94
Troubleshooting . . . . . . . . . . . . . . . . . . . . 99
Front-Panel Lights and Error Conditions . . . . . . . . . . .99
Contact Us . . . . . . . . . . . . . . . . . . . . . . . . 100
Frequently-Asked Questions. . . . . . . . . 101
Specifications . . . . . . . . . . . . . . . . . . . . . 103
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Cable Modem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . 105
Software License . . . . . . . . . . . . . . . . . . 123
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Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB

Overview

Thank you for purchasing a Motorola® SURFboard® Wireless Cable Modem Gateway SBG900 for your home, home office, or small business/enterprise. Applications where the SURFboard Gateway (SBG) is especially useful include:
• Households having multiple computers requiring connection to the Internet and each other
• Small businesses or home offices requiring fast, affordable, and secure Internet access
• Internet gamers desiring easier setup for:
®
— Programs such as DirectX
— Sites such as MSN Games by Zone.com or Battle.net
• Video conferencing
7 or DirectX® 8
®
The features and physical appearance of your SBG900 may differ slightly from the picture.
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SBG900 User Guide
Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB
Home networking enables you to access and move information between two or more computers in your home or business. Your home network connects to the cable TV system and enables you to connect to the Internet or other networks connected to the Internet. The SBG900 acts as the and the Internet. It directs (routes) computer data to the Internet and between your computers. A SURFboard cable modem in the SBG passes information between your home network computers and the Internet. An SBG900:
central connection point
between your computers
• Combines a SURFboard cable modem, IEEE 802.11g wireless access point, Ethernet 10/100Base-T
connection, and an advanced firewall into one compact product
• Eliminates the need for four or five separate products, enabling you to maximize the potential of your existing
resources
• Enables you to create a custom network sharing a single broadband connection, files, and other peripherals
like scanners, with or without wires
• Offers enhanced network security for wired and wireless users
• Provides easy setup
• Enables cable operators to add future value-added services
This product is subject to change. Not all features described in this guide are available on all SBG900 models.
For the most recent documentation, visit the Product Documentation page on the Motorola Broadband website
http://broadband.motorola.com/.

Easy Setup

It is much easier to configure a local area network (LAN) using an SBG900 than it is using typical networking equipment:
• The Installation Assistant application on the
enables easy connection to the cable network.
Motorola SURFboard Wireless Cable Modem Gateway
CD-ROM
• For basic operation, most default settings require no modification.
• The Setup Program provides a graphical user interface (GUI) for easy configuration of necessary wireless,
Ethernet, router, DHCP, and security settings. For a list of issues, see “Basic Configuration”.

Network Connection Types

The SBG900 provides different network connection types for your computers to exchange data. The connection between your computers and the SBG900 may be with a wireless or a wired connection or a combination of the two. Your network can use one or any combination of all the following network connections:
• Ethernet local area network (LAN)
• Wireless LAN (IEEE 802.11g that also supports IEEE 802.11b devices)
• Universal Serial Bus (USB)
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SBG900 User Guide
Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB

Powerful Features in a Single Unit

An SBG900 combines high-speed Internet access, networking, and computer security for a home or small-office LAN. An SBG900 provides:
• An integrated high-speed SURFboard cable modem for continuous broadband access to the Internet and
other online services, with much faster data transfer than traditional dial-up or ISDN modems
• A single broadband connection for up to 253 computers to surf the web; all computers on the LAN
communicate as if they were connected to the same physical network
• An IEEE 802.11g wireless access point to enable laptop users to remain connected while moving around the
home or small office or to connect desktop computers without installing network wiring. Depending on distance, wireless connection speeds can match that of Ethernet.
• A USB connection for a single PC
• A dual-purpose 10/100Base-T Ethernet uplink port supporting half- or full-duplex connections and Auto-MDIX
• Routing for a wireless LAN or a wired Ethernet LAN connected using a hub or switch
• A built-in DHCP server to easily configure a combined wired and/or wireless Class C private LAN
• An advanced firewall supporting stateful-inspection, intrusion detection, DMZ, denial-of-service attack
prevention, and Network Address Translation (NAT)
• Virtual private network (VPN) pass-through operation supporting IPSec, PPTP, or L2TP to securely connect
remote computers over the Internet
• Port Forwarding to configure ports to run applications having special network requirements
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SBG900 User Guide
Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB

Sample LAN

The sample LAN shown in the figure contains the following devices, all protected by the SBG900 firewall:
• A PDA connected through the wireless connection
• One desktop Macintosh on a wireless connection
• One desktop PC on a wireless connection using a Motorola USB Adapter
• A laptop PC on a wireless connection connected using a Motorola PC Card
• One computer connected directly to Ethernet port one
• Three computers connected to Ethernet port two using a hub or switch
• One PC connected to the USB port
Sample SBG900 hybrid network
Internet
Ethernet
Hub or switch
USB
SBG900
High-speed HFC
cable network
PCC11b
Wireless Card
Firewall
Wireless
USB to Ethernet
Wireless Adapter
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SBG900 User Guide
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Configuration: Basic Gateway TCP/IP Wireless USB

Optional Accessories

While any IEEE 802.11g or IEEE 802.11b compliant client product will work with the SBG900, Motorola has wireless adapters available for use with the SBG900.
You can use the Motorola PCC11b wireless card or the USB11b wireless adapter, which comply with the IEEE 802.11b wireless standard, to connect a PC to the wireless LAN:
USB11b Wireless Adapter
PCC11b Wireless Card A credit-card sized adapter that connects a laptop to the wireless LAN. You can roam in, or
Connects a desktop, laptop, printer, or other peripheral device to the wireless LAN. It has a built-in antenna and a six feet (two meter) long cable that connects to the PC USB port. Its light indicates:
• Off — Not connected to a USB port or not receiving power from the PC
• Yellow — Not installed or initializing
• Green — Installed and operational
• Flashing Green — Receiving data from another wireless LAN device
• Flashing Yellow — Transmitting data to another wireless LAN device
around, the home or small office and remain connected. It fits in a standard slot on the laptop supporting 3.3 Volt PC card. The PCC11b has also has a built-in antenna.
PCMCIA Type II
Motorola USB11b Wireless Adapter (left) and PCC11b Wireless Card
For installation instructions, see the documentation provided with each product.
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SBG900 User Guide

Front Panel

Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB
The front panel provides indicator lights.
The model number on your SBG may be different than in some
illustrations and screen images.
1 2
3
4
5
6
Key Light Flashing On
1 POWER None The power supply is working properly
2
RECEIVE Scanning for a receive (downstream)
channel connection
SEND Scanning for a send (upstream) channel
3
connection
ONLINE Scanning for a network connection The startup process is complete and the SBG900
4
5
PC/ACTIVITY Transmitting or receiving data A computer or other device is connected to the
6
WIRELESS Wireless activity Wireless feature is functioning normally
The downstream channel is connected
The upstream channel is connected
is online
USB or Ethernet port
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SBG900 User Guide
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Configuration: Basic Gateway TCP/IP Wireless USB

Rear Panel

The rear panel provides cabling connectors, status lights, and the power receptacle:
1
2
3
4
5
Key Item Description
1
2 Use the
3 For Windows
4 The
5 The +12
•
If you experience a problem, you can push this recessed button to restart the SBG900 (see “Troubleshooting”). To reset all values to their defaults, hold down the button for more than five seconds appropriate communications channels.
Ethernet-equipped computer, hub, bridge, or switch.
SBG900 USB port to a Macintosh or UNIX computer.
. Resetting may take 5 to 30 minutes because the SBG900 must find and lock on the
ETHERNET port to connect an Ethernet LAN cable with RJ-45 connectors to an
CABLE port provides a connection to the coaxial cable outlet.
VDC power connector to the external power supply.
only
, use the USB port for Connecting a PC to the USB Port. You cannot connect the
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Label on the Bottom of the SBG900

To receive data service, you need to provide the MAC address marked HFC MAC ID
provider
:
HFC MAC ID

SBG900 LAN Choices

The SBG900 enables connection of up to 253 client computers on a combination of:
• Wireless LAN
• Wired Ethernet LAN
• USB Connection
to your cable service
Each computer needs appropriate network adapter hardware and driver software. The clients on the Ethernet, wireless, or USB interfaces can share:
• Internet access with a single cable service provider account, subject to cable provider terms and conditions
• Files, printers, storage devices, multi-user software applications, games, and video conferencing
Wireless and wired network connections use Windows networking to share files and peripheral devices such as printers, CD-ROM drives, floppy disk drives, and Iomega
®
Zip Drives.
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Configuration: Basic Gateway TCP/IP Wireless USB

Wireless LAN

Wireless communication occurs over radio waves rather than a wire. Like a cordless telephone, a wireless LAN uses radio signals instead of wires to exchange data. A wireless network eliminates the need for expensive and intrusive wiring to connect computers throughout the home or office. Mobile users can remain connected to the network even when carrying their laptop to different locations in the home or office.
Each computer on a wireless LAN requires an adapter described in “Optional Accessories”:
Laptop PCs Use a Motorola PCC11b Wireless Card in the PCMCIA slot.
Desktop PCs Use a Motorola USB11b Wireless Adapter to connect the USB port.
Sample wireless network connections
To set up the SBG900, on a computer wired to the SBG900 over Ethernet or USB, perform the procedures in “Setting Up the Wireless LAN
To set up each wireless client (station):
1 Insert the
PCC11b and USB11b Wireless Adapter
”. Do not attempt to configure the SBG900 over a wireless connection.
CD-ROM in the CD-ROM drive on the client.
2 Install the device software from the CD.
3 Connect the Motorola PCC11b wireless card or USB11b wireless adapter following the instructions supplied
with the card or adapter.
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Overview Installation Troubleshooting Contact FAQ Specifications Glossary License
Configuration: Basic Gateway TCP/IP Wireless USB

Wired Ethernet LAN

Each computer on the 10/100Base-T Ethernet LAN requires an Ethernet network interface card (NIC) and driver software installed. Because the SBG900 Ethernet port supports auto-MDIX, you can use straight-through or cross-over cable to connect a hub, switch, or computer. Use category 5 cabling for all Ethernet connections.
The physical wiring arrangement has no connection to the logical network allocation of IP addresses.
Sample Ethernet to computer connection
Coaxial
cable
Category 5 Ethernet cable
A wired Ethernet LAN with more than one computer requires one or more hubs or switches. You can connect a hub or switch to the Ethernet port on the SBG900.
The following illustration is an example of an Ethernet LAN you can set up using the SBG900. Cable the LAN in an appropriate manner for the site. A complete discussion of Ethernet cabling is beyond the scope of this document.
Sample Ethernet connection to hubs or switches
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Add additional hubs or switches
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USB Connection

You can connect a single PC running Windows®98, Windows XP™, Windows Me®, or Windows®2000 to the SBG900 USB V1.1 port. For cabling instructions, see “Connecting a PC to the USB Port”.
Caution!
Before plugging in the USB cable, be sure the Motorola SURFboard Wireless Cable Modem Gateway CD-ROM is inserted in the PC CD-ROM drive.
Sample USB connection
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Security

The SBG900 provides:
• A firewall to protect the SBG900 LAN from undesired attacks over the Internet
• Security measures to prevent eavesdropping of wireless data
Network Address Translation (NAT) provides some security because the IP addresses of SBG900 LAN computers are not visible on the Internet.
The logical network diagram does not necessarily correspond to the network cabling. A full discussion of network security is beyond the scope of this document.
SBG900 security measures shown in a logical network diagram
Internet
SBG900
DMZ computer

Firewall

ComputerComputer
Wired Ethernet LAN Wireless LAN
Wireless Security:
WEP shared key encryption
MAC access control list
Disable ESSID Broadcast
LaptopComputer PDA
Firewall
The SBG900 firewall protects the SBG900 LAN from undesired attacks and other intrusions from the Internet. It provides an advanced integrated stateful-inspection firewall supporting intrusion detection, session tracking, and denial-of-service attack prevention. The firewall:
• Maintains state data for every TCP/IP session on the OSI network and transport layers
• Monitors all incoming and outgoing packets, applies the firewall policy to each one, and screens for improper
packets and intrusion attempts
• Provides comprehensive logging for all:
— User authentications
— Rejected internal and external connection requests
— Session creation and termination
— Outside attacks (intrusion detection)
You can configure the firewall filters to set rules for port usage. For information about choosing a predefined firewall policy template, see “Setting the Firewall Policy”.
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DMZ
A de-militarized zone (DMZ) is one or more computers logically located outside the firewall between an SBG900 LAN and the Internet. A DMZ prevents direct access by outside users to private data.
For example, you can set up a web server on a DMZ computer to enable outside users to access your website without exposing confidential data on your network.
A DMZ can also be useful to play interactive games that may have a problem running through a firewall. You can leave a computer used for gaming information, see Gaming Configuration Guidelines.
only
exposed to the Internet while protecting the rest of your network. For more

Port Triggering

When you run a PC application that accesses the Internet, it typically initiates communications with a computer on the Internet. In some applications, especially gaming, the computer on the Internet also initiates communications with your PC. Because NAT does not normally allow these incoming connections to occur, the SBG900 supports port triggering.
The SBG900 is preconfigured with port triggering for common applications. You can also configure additional port triggers if needed on the Gateway > PORT TRIGGERS — custom Page.

Wireless Security

Because wireless LAN signals are transmitted using radio signals, it may be possible for your neighbor or someone else you do not want accessing your wireless LAN. You need to limit access to only the intended persons. To prevent unauthorized eavesdropping of data transmitted over the wireless LAN, you must enable wireless security.
The default SBG900 settings provide no security for transmitted data.
The SBG900 enables you to use the following wireless security measures:
• Restrict access to computers having the same unique network name as the SBG900
• Encrypt data transmitted over the wireless interface by configuring a Wired Equivalency Privacy (WEP) key
on the SBG900 and wireless LAN clients (stations)
• Define a MAC access control list to restrict wireless LAN access to clients based on the MAC address.
If you disable ESSID broadcasting to enable closed network operation, the SBG900 does not transmit the network name (ESSID). This provides additional protection because only wireless stations configured with your network name can communicate with the SBG900. Closed network operation is an enhancement of the IEEE 802.11b standard.
For information about configuring a wireless security, see “Setting Up the Wireless LAN”.
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Port Forwarding

Port forwarding is the configuration of SBG logical data ports for applications having special network requirements.
The SBG900 opens logical data ports when a computer on its LAN sends data, such as e-mail messages or web data, to the Internet. A logical data port is different from a physical port, such as an Ethernet port. Data from a protocol must go through certain data ports. Here are the data ports used by some protocols:
Protocol Port
FTP 20, 21
HTTP 80
NTP 123
Secure Shell 22
SMTP e-mail 25
Teln et 23
Some applications, such as games and videoconferencing, require multiple data ports. If you enable NAT, this can cause problems because NAT assumes that data sent through one port will return to the same port. You may need to configure port forwarding to run applications with special requirements.
To configure port forwarding, you must specify an inbound (source) port or range of ports. The inbound port opens only when data is sent to the inbound port and closes again after a specified time elapses with no data sent to it. You can configure up to 32 port forwarding entries using the Gateway > PORT FORWARDING — config Page.

Virtual Private Net work s

The SBG900 allows multiple tunnel VPN pass-through operation to securely connect remote computers over the Internet through the SBG900. The SBG900:
• Is compatible with Point to Point Tunneling Protocol (PPTP) and Layer 2 Tunneling Protocol (L2TP)
• Is fully interoperable with any IPSec client or gateway and ANX certified IPSec stacks

Relate d Documentation

The following documents also provide information you can use with the SBG900:
•
SURFboard Wireless Cable Modem Gateway Quick Start Guide
•
PCC11b Wireless Card Quick Start Guide and on-line help on the PCC11b and USB11b Wireless Adapter CD-ROM
•
USB11b Wireless Adapter Quick Start Guide and on-line help on the PCC11b and USB11b Wireless Adapter CD-ROM
For the most recent documentation, visit the Product Documentation page on the Motorola Broadband website
http://broadband.motorola.com.
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Installation

The following subsections provide information about installing the SBG900 hardware:
• Before You Begin
• Precautions
• Signing Up for Service
• Computer System Requirements
• Connecting the SBG900 to the Cable System
• Cabling the LAN
• Obtaining an IP Address for Ethernet
• Connecting a PC to the USB Port
For information about wireless LAN setup, see “Setting Up the Wireless LAN”.

Before You Begin

Before you begin the installation, check that you received the following items with your SBG900:
Item Description
Power adapter cord
10/100Base-T Ethernet cable
USB cable Connects to the USB port
Motorola SURFboard Wireless Cable Modem Gateway
You will need 75-ohm coaxial cable with F-type connectors to connect the SBG900 to the nearest cable outlet. If a TV is connected to the cable outlet, you may need a 5 to 900 MHz RF splitter and two additional coaxial cables to use both the TV and the SBG900.
Determine the connection types you will make to the SBG900. Check that you have the required cables, adapters, and adapter software. You may need:
Wireless LAN W
Wired Ethernet LAN Ethernet cables and network interface cards (NICs) with accompanying installation software
CD-ROM
ireless adapter and driver software for each computer having a wireless connection (see
“Optional Accessories”)
To connect more than one computer to the SBG900, one or more Ethernet hubs or switches
Connects the SBG 900 to the external AC power supply
Connects to the Ethernet port
Contains this
User Guide
and USB drivers
USB A USB cable and the
containing the software for USB installation
Coaxial cable, RF splitters, hubs, and switches are available at consumer electronic stores.
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Precautions

Postpone SBG900 installation until there is no risk of thunderstorm or lightning activity in the area. SBG900.
To avoid damaging the SBG900 or computers with static electricity:
Before you connect or disconnect the USB or Ethernet cables,
touch the coaxial cable connector on the
always
SBG900.
Always make the wall connection first.
• To avoid potential shock, always unplug the power cord from the wall outlet or other power source before
disconnecting it from the SBG900 rear panel.
• To prevent overheating the SBG900, do not block the ventilation holes on the sides of the unit.
• Do not open the unit. Refer all service to your cable service provider.
• Wipe the unit with a clean, dry cloth. Never use cleaning fluid or similar chemicals. Do not spray cleaners
directly on the unit or use forced air to remove dust.

Signing Up for Service

You must sign up with a cable service provider to access the Internet and other online services.
To activate your service, call your local cable service provider.
You need to provide the MAC address marked HFC MAC ID printed on the you printed this document, you can record it here:
Label on the Bottom of the SBG900. If
00 : ______ : ______ : ______ : ______ : ______
You should ask your cable service provider the following questions:
• Do you have any special system requirements?
• When can I begin to use my SBG900?
• Are there any files I need to download after I am connected?
• Do I need a user name or password to access the Internet or use e-mail?
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Computer System Requirements

You can connect Microsoft Windows, Macintosh, UNIX, or Linux computers equipped as follows to the SBG900 LAN:
•
One
of the following:
Ethernet 10Base-T or 10/100Base-T Ethernet adapter with proper NIC driver software installed
Wireless
Any IEEE 802.11g or IEEE 802.11b device
For information about the Motorola PCC11b Wireless Card ( USB11b Wireless Adapter, see “Optional Accessories
”.
PCMCIA type II 3.3 V slot) or
• PC with Pentium class or better processor
• Windows
or Linux operating system with operating system CD-ROM available
®
98, Windows® 98 SE, Windows Me®, Windows® 2000, Windows XPTM, Windows NT®, Macintosh,
• Minimum 16 MB RAM recommended
• 10 MB available hard disk space
You can use any web browser such as Microsoft® Internet Explorer or Netscape Navigator® with the SBG900.
You can use the USB connection with any PC running Windows 98, Windows 2000, Windows Me, or Windows XP that has a USB interface. The USB connection requires special USB driver software that is supplied on the
Motorola SURFboard Wireless Cable Modem Gateway
Downloads page http://broadband.motorola.com/noflash/usb_drivers.asp on the Motorola Broadband website.
CD-ROM. You can upgrade your USB drivers from the
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Connecting the SBG900 to the Cable System

1 Be sure the computer is on and the SBG900 is unplugged.
2 Connect one end of the coaxial cable to the cable outlet or splitter.
3 Connect the other end of the coaxial cable to the cable connector on the SBG900.
Hand-tighten the connectors to avoid damaging them.
4 Insert the
Motorola SURFboard Wireless Cable Modem Gateway
CD-ROM into the CD-ROM drive.
5 Plug the power cord into the power connector on the SBG900.
6 Connect the external power supply.
7 Plug the power cord into the electrical outlet.
not in use. The first time you plug in the SBG900, allow 5 to 30 minutes to find and lock on the appropriate communications channels.
Step 3
This turns the SBG900 on. You do not need to unplug it when
Step 2
Steps 5 to 7
8 Check that the lights on the front panel cycle through this sequence:
POWER Turns on when AC power is connected to the SBG900. Indicates that the power supply is working
properly.
RECEIVE Flashes while scanning for the receive channel. Changes to solid green when the receive channel is
locked.
SEND Flashes while scanning for the send channel. Changes to solid green when the send channel is
locked.
ONLINE Flashes during SBG900 registration and configuration. Changes to solid green when the SBG900 is
registered.
PC/ACTIVITY Flashes when the SBG900 is transmitting or receiving data.

Cabling the LAN

After connecting to the cable system, you can connect your wired Ethernet LAN. Some samples are shown in “Wired Ethernet LAN”. On each networked computer, you must install proper drivers for the Ethernet NIC.
Detailed information about network cabling is beyond the scope of this document.
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Obtaining an IP Address for Ethernet

Obtaining an IP Address in Windows 98, Windows 98 SE, or Windows Me
You must do the following on each Ethernet client PC running Windows 98, Windows 98 SE, or Windows Me:
1 On the Windows Desktop, click Start.
2 Select Run. The Run window is displayed.
3 Type winipcfg.exe and click OK. The IP Configuration window is displayed:
4 Click the Renew button to obtain an IP address for the PC from the DHCP server on the SBG900.
Obtaining an IP Address in Windows 2000 or WindowsXP
You must do the following on each Ethernet client PC running Windows 2000 or Windows XP:
1 On the Windows Desktop, click Start.
2 Select Run. The Run window is displayed.
3 Type cmd and click OK to display a command prompt window.
4 Type ipconfig /renew and press ENTER to obtain an IP address for the PC from the DHCP server on the
SBG900.
5 Type exit and press ENTER to return to Windows.

Obtaining an IP Address on Macintosh or UNIX Systems

Follow the instructions in your user manual.
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Connecting a PC to the USB Port

You can connect a single PC running Windows 98, Windows XP, Windows Me, or Windows 2000 to the SBG900 USB port.
Caution!
Before plugging in the USB cable, be sure the Motorola SURFboard Wireless Cable Modem Gateway CD-ROM is inserted in the PC CD-ROM drive.
To connect a PC to the USB port:
1 Insert the
Motorola SURFboard Wireless Cable Modem Gateway
CD-ROM in the CD-ROM drive.
2 Connect the USB cable to the USB port on the SBG900.
3 Connect the other end to the USB port on the computer.
4 Install the USB driver following the appropriate procedure for “Setting Up a USB Driver”.
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Basic Configuration

The following sections provide information about basic SBG900 configuration:
• Starting the SBG900 Setup Program
• Changing the Default Password
• Getting Help
• Setting the Firewall Policy
• Gaming Configuration Guidelines
For more advanced configuration information, see “Configuring TCP/IP”, “Setting Up the Wireless LAN”, or “Setting Up a USB Driver”.
For normal operation, you do not need to change most default settings.
summarize the issues you must be aware of:
Caution!
To prevent unauthorized configuration, change the default password configure the SBG900. See “Changing the Default Password”.
Firewalls are not foolproof. Choose the most secure firewall policy you can. See “Setting the Firewall
Policy”.
For a wireless LAN only, be sure you follow the instructions in “Setting Up the Wireless LAN”.
The following caution statements
immediately
when you first
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Starting the SBG900 Setu p Pr ogram

1 On a computer wired to the SBG900 over Ethernet or USB, open a web browser.
the SBG900 over a wireless connection.
Do not attempt to configure
2 In the Address or Location field, type http://192.168.100.1 and press ENTER to display the Login window:
3 In the User ID field, type the
User Name;
4 In the Password field, type the
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Password
the default is “admin” (this field is case sensitive).
; the default is “motorola” (this field is case sensitive).
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5 Click Log In to display the SBG900 user configuration and status windows:
Click To Perform
Cable Configure and monitor the cable system connection.
Gateway Configure and monitor the gateway preferences (see Configuring the Gateway).
Wireless Configure and monitor the wireless interface (see “Setting Up the Wireless LAN”).
Firewall Configure and monitor the firewall (see “Setting the Firewall Policy”).
Admin Changing the Default Password.
Info Display information about the
Reboot Restart the SBG900. It is the same as pressing the reset button on the rear panel for less than five
seconds.
Log Out Log out of the SBG900.
If you have difficulty starting the SBG900 Setup Program, see “Troubleshooting” for information.
Router is a configuration option that may appear on your window but may not be supported.
For some settings, after you edit the field and click Apply, you are warned that you must reboot for your change to take effect. Rebooting takes 10 to 15 seconds. After rebooting, you must log-in again.
SBG900 Setup Program.
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Changing the Default Password

Caution!
Configuration: Basic Gateway TCP/IP Wireless USB
To prevent unauthorized configuration, change the default password configure the Motorola SURFboard Wireless Cable Modem Gateway.
To change the default password:
immediately
1 On the SBG900 Setup Program screen, click Admin to display the ADMIN — basic page:
2 In the Old Password field, type the old
sensitive).
password
. The default password is “motorola” (this field is case
when you first
3 In the New Password field, type the new
4 In the Verify Password field, type the new
5 Click Apply to apply your changes.
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password
password
24
.
again.
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