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About This Manual
xi
Preface
About This Manual
Congratulations on your purchase of the NETGEAR
®
Model WGR614 Cable/DSL Wireless
Router. The WGR614 router provides connection for multiple personal computers (PCs) to the
Internet through an external broadband access device (such as a cable modem or DSL modem) that
is normally intended for use by a single PC.
Audience
This reference manual assumes that the reader has basic to intermediate computer and Internet
skills. However, basic computer network, Internet, firewall, and VPN technologies tutorial
information is provided in the Appendices and on the Netgear website.
Typographical Conventions
This guide uses the following typographical conventions:
Conventions
italics
Emphasis.
bold times roman
User input.
courier font
Screen text, user-typed command-line entries.
[Enter]
Named keys in text are shown enclosed in square brackets. The notation [Enter]
is used for the Enter key and the Return key.
[Ctrl]+C
Two or more keys that must be pressed simultaneously are shown in text linked
with a plus (+) sign.
S
MALL
C
APS
DOS file and directory names.
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Reference Manual for Cable/DSL Wireless Router WGR614
xii
About This Manual
Special Message Formats
This guide uses the following formats to highlight special messages:
Note:
This format is used to highlight information of importance or special interest.
Page 13 / 146
Introduction
1-1
Chapter 1
Introduction
This chapter describes the features of the NETGEAR Model WGR614 Cable/DSL Wireless
Router.
Key Features of the Router
The Model WGR614 Cable/DSL Wireless Router with 4-port switch connects your local area
network (LAN) to the Internet through an external access device such as a cable modem or DSL
modem.
The WGR614 router provides you with multiple Web content filtering options, plus browsing
activity reporting and instant alerts -- both via e-mail. Parents and network administrators can
establish restricted access policies based on time-of-day, Website addresses and address keywords,
and share high-speed cable/DSL Internet access for up to 253 personal computers. In addition to
the Network Address Translation (NAT) feature, the built-in firewall protects you from hackers.
With minimum setup, you can install and use the router within minutes.
The WGR614 router provides the following features:
•
802.11g wireless networking, with the ability to operate in 802.11g-only or 802.11b+g modes.
•
Easy, web-based setup for installation and management.
•
Content Filtering and Site Blocking Security.
•
Built in 4-port 10/100 Mbps Switch.
•
Ethernet connection to a wide area network (WAN) device, such as a cable modem or DSL
modem.
•
Extensive Protocol Support.
•
Login capability.
•
Front panel LEDs for easy monitoring of status and activity.
•
Flash memory for firmware upgrade.
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Reference Manual for Cable/DSL Wireless Router WGR614
1-2
Introduction
802.11g Wireless Networking
The WGR614 router includes an 802.11g wireless access point, providing continuous, high-speed
54 Mbps access between your wireless and Ethernet devices. The access point provides:
•
802.11g wireless networking at up to 54 Mbps.
•
802.11g wireless networking, with the ability to operate in 802.11g-only or 802.11b+g modes,
providing backwards compatibility with 802.11b devices or dedicating the wireless network to
the higher bandwidth 802.11g 54Mbps devices.
•
64-bit and 128-bit WEP encryption security.
•
WEP keys can be generated manually or by passphrase.
•
Wireless access can be restricted by MAC address.
•
Wireless network name broadcast can be turned off so that only devices that have the network
name (SSID) can connect.
A Powerful, True Firewall with Content Filtering
Unlike simple Internet sharing NAT routers, the WGR614 is a true firewall, using stateful packet
inspection to defend against hacker attacks. Its firewall features include:
•
Denial of Service
(DoS) protection.
Automatically detects and thwarts DoS attacks such as Ping of Death, SYN Flood, LAND
Attack, and IP Spoofing.
•
Blocks unwanted traffic from the Internet to your LAN.
•
Blocks access from your LAN to Internet locations or services that you specify as off-limits.
•
Logs security incidents.
The WGR614 will log security events such as blocked incoming traffic, port scans, attacks,
and administrator logins. You can configure the router to email the log to you at specified
intervals. You can also configure the router to send immediate alert messages to your email
address or email pager whenever a significant event occurs.
•
With its content filtering feature, the WGR614 prevents objectionable content from reaching
your PCs. The router allows you to control access to Internet content by screening for
keywords within Web addresses. You can configure the router to log and report attempts to
access objectionable Internet sites.
Page 15 / 146
Reference Manual for Cable/DSL Wireless Router WGR614
Introduction
1-3
Security
The WGR614 router is equipped with several features designed to maintain security, as described
in this section.
•
PCs Hidden by NAT
NAT opens a temporary path to the Internet for requests originating from the local network.
Requests originating from outside the LAN are discarded, preventing users outside the LAN
from finding and directly accessing the PCs on the LAN.
•
Port Forwarding with NAT
Although NAT prevents Internet locations from directly accessing the PCs on the LAN, the
router allows you to direct incoming traffic to specific PCs based on the service port number
of the incoming request, or to one designated “DMZ” host computer. You can specify
forwarding of single ports or ranges of ports.
Autosensing Ethernet Connections with Auto Uplink
With its internal 8-port 10/100 switch, the WGR614 can connect to either a 10 Mbps standard
Ethernet network or a 100 Mbps Fast Ethernet network. Both the LAN and WAN interfaces are
autosensing and capable of full-duplex or half-duplex operation.
The router incorporates Auto Uplink
TM
technology. Each Ethernet port will automatically sense
whether the Ethernet cable plugged into the port should have a ‘normal’ connection such as to a
PC or an ‘uplink’ connection such as to a switch or hub. That port will then configure itself to the
correct configuration. This feature also eliminates the need to worry about crossover cables, as
Auto Uplink will accommodate either type of cable to make the right connection.
Extensive Protocol Support
The WGR614 router supports the Transmission Control Protocol/Internet Protocol (TCP/IP) and
Routing Information Protocol (RIP). For further information about TCP/IP, refer to
Appendix B,
“Network, Routing, Firewall, and Basics
.”
•
IP Address Sharing by NAT
The WGR614 router allows several networked PCs to share an Internet account using only a
single IP address, which may be statically or dynamically assigned by your Internet service
provider (ISP). This technique, known as NAT, allows the use of an inexpensive single-user
ISP account.

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