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Mode., Wireless Card Access List., Security Options., Appendix C, Wireless Networking Basics - driver

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Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102 • Mode. This field determines which data communications protocol will be used. You can select "g only," "b only," or "g and b." "g only" dedicates the WGX102 to communicating with the higher bandwidth 802.11g wireless devices exclusively. "b only" dedicates the WGX102 to communicating with the higher bandwidth 802.11b wireless devices exclusively. The "g and b" mode provides backward compatibility with the slower 802.11b wireless devices while still enabling 802.11g communications. • Wireless Card Access List. When the Trusted PCs Only radio button is selected, the WGX102 checks the MAC address of the wireless station and only allows connections to computers identified on the trusted computers list. • Security Options. These options are the wireless security features you can enable. The table below identifies the various basic wireless security options. A full explanation of these standards is available in Appendix C, "Wireless Networking Basics". Table 5-1. Basic Wireless Security Options Field Description Disable No wireless security. WEP WEP offers the following options: • Open System With Open Network Authentication and 64- or 128-bit WEP Data Encryption, the WGX102 does perform 64- or 128-bit data encryption but does not perform any authentication. • Shared Key Shared Key authentication encrypts the SSID and data. Choose the Encryption Strength (64- or 128-bit data encryption). Manually enter the key values or enter a word or group of printable characters in the Passphrase box. Manually entered keys are case sensitive but passphrase characters are not case sensitive. Note: Not all wireless adapter configuration utilities support passphrase key generation. • Auto Automatically determines whether Open System or Shared Key should be used. WPA-PSK WPA-Pre-shared Key does perform authentication, uses 128-bit data encryption and dynamically changes the encryption keys making it nearly impossible to circumvent. Enter a word or group of printable characters in the Passphrase box. These characters are case sensitive. Note: Not all wireless adapter configuration utilities support WPA. Furthermore, client software is required on the client. Windows XP and Windows 2000 with Service Pack 3 do include the client software that supports WPA. Nevertheless, the wireless adapter hardware and driver must also support WPA. 5-4 Wireless Configuration and Security 202-10042-02 v1.1

Section	Page
Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102	1
Product and Publication Details	3
Contents	5
Chapter 1 About This Manual	11
Audience, Scope, Conventions, and Formats	11
How to Use This Manual	12
How to Print this Manual	12
Chapter 2 Introduction	13
Key Features	13
802.11g Wireless Networking	14
Easy Installation and Management	14
Content Filtering in Router Mode	15
Maintenance and Support	15
Package Contents	15
Connectors, Reset Buttons, Ports, and Label Information	16
The WGX102 Wireless Unit	16
The Label on the Rear Panel of the WGX102	17
The WGX102 Bottom Panel	17
The XE102 Wall-Plugged Ethernet Bridge	18
The Label on the Rear Panel of the XE102	19
Chapter 3 Installing the Wireless Range Extender	21
How the Wireless Range Extender Fits in Your Network	21
Prepare to Install Your Wireless Range Extender	22
Default Factory Settings	22
First, Set Up the Powerline Network	23
Now, Add the WGX102 to Your Wireless Network	25
Plug and Play Installation	26
Custom WGX102 Setup	27
Test Your Wireless Connectivity	29
Basic Installation Troubleshooting Tips	29
Logging On to Configure the WGX102	30
Using the WGX102 Configuration Utility	32
Configuring the LAN IP Setup Options in Access Point Mode	36
Chapter 4 Powerline Network Configuration and Security	39
Understanding How the Powerline Network Password Works	39
Configuring the Powerline Network Password	40
Chapter 5 Wireless Configuration and Security	43
Observing Performance, Placement, and Range Guidelines	43
Implementing Appropriate Wireless Security	44
Wireless Data Security Options	44
Understanding Basic Wireless Settings	44
Information to Gather Before Changing Basic Wireless Settings	47
Default Factory Settings	48
Setting Up and Testing Basic Wireless Connectivity	49
WEP Security Options	51
WPA-PSK Wireless Security Options	53
Access List: Restricting Wireless Access by MAC Address	54
Chapter 6 Maintenance	57
Changing the Administrator Password	57
Viewing Access Point Status Information	58
Viewing Router Status Information	61
Viewing a List of Attached Devices	64
Configuration File Management	65
Backing Up the Configuration	65
Erasing the Configuration	66
Upgrading the Wireless Range Extender Software	66
Chapter 7 Advanced Configuration of the WGX102	69
Wireless Range Extender WGX102 Operating Modes	69
Default: Access Point Mode	70
Advanced Custom Setup: Router Mode	71
Router Mode WGX102 Internet Connection Setup	72
Router Mode Manual Internet Connection Configuration	78
Manual PPPoE Configuration	80
Manual PPTP Configuration	81
Configuring the WGX102 in Router Mode	84
Router Mode Port Triggering	85
Router Mode Port Forwarding to Local Servers	87
Adding a Custom Service	89
Local Web and FTP Server Example	89
Multiple Computers for Half Life, KALI or Quake III Example	90
Router Mode WAN Setup Options	91
Router Mode LAN IP Setup Options	92
Using the WGX102 in Router Mode as a DHCP server	95
Using Address Reservation in Router Mode	96
Router Mode Dynamic DNS	96
Router Mode Static Routes	97
Router Mode Remote Management Access	100
Router Mode Universal Plug and Play (UPnP)	101
Router Mode Content Filtering Overview	102
Router Mode Blocking Access to Internet Sites	102
Router Mode Blocking Access to Internet Services	104
Configuring a User Defined Service	105
Configuring Services Blocking by IP Address Range	106
Router Mode Scheduling When Blocking is Enforced	106
Router Mode Logs of Web Access or Attempted Web Access	107
Router Mode E-Mail Alert and Web Access Log Notifications	108
Chapter 8 Troubleshooting	111
NETGEAR Product Registration, Support, and Documentation	111
Basic Functioning	111
Power Light Not On	112
HomePlug/Internet or Wireless Port Lights Not On	112
Troubleshooting the Web Configuration Interface	112
Troubleshooting the Router Mode Only ISP Connection	113
Troubleshooting Router Mode on a TCP/IP Network Using a Ping Utility	115
Testing the LAN Path to the WGX102	115
Testing the Path from Your Computer to a Remote Device	116
Restoring the Default WGX102 Configuration and Password	117
Problems with Router Mode Only Date and Time	117
Appendix A Technical Specifications	119
Appendix B Network, Routing, Firewall, and Basics	123
Related Publications	123
Basic Router Concepts	123
What is a Router?	123
Routing Information Protocol	124
IP Addresses and the Internet	124
Netmask	126
Subnet Addressing	127
Private IP Addresses	129
Single IP Address Operation Using NAT	130
MAC Addresses and Address Resolution Protocol	131
Related Documents	131
Domain Name Server	132
IP Configuration by DHCP	132
Internet Security and Firewalls	132
What is a Firewall?	133
Stateful Packet Inspection	133
Denial of Service Attack	133
Ethernet Cabling	133
Category 5 Cable Quality	134
Inside Twisted Pair Cables	135
Uplink Switches, Crossover Cables, and MDI/MDIX Switching	136
Appendix C Wireless Networking Basics	139
Wireless Networking Overview	139
Infrastructure Mode	139
Ad Hoc Mode (Peer-to-Peer Workgroup)	140
Network Name: Extended Service Set Identification (ESSID)	140
Authentication and WEP	141
802.11 Authentication	141
Open System Authentication	142
Shared Key Authentication	142
Overview of WEP Parameters	143
Key Size	144
WEP Configuration Options	145
Wireless Channels	145
WPA Wireless Security	146
How Does WPA Compare to WEP?	147
How Does WPA Compare to IEEE 802.11i?	148
What are the Key Features of WPA Security?	148
WPA Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS	150
WPA Data Encryption Key Management	152
Is WPA Perfect?	154
Product Support for WPA	154
Supporting a Mixture of WPA and WEP Wireless Clients is Discouraged	154
Changes to Wireless Access Points	155
Changes to Wireless Network Adapters	155
Changes to Wireless Client Programs	156
Glossary	157
List of Glossary Terms	157

Match case Limit results 1 per page

Reference Manual for the 54 Mbps Wall-Plugged Wireless Range Extender WGX102

5-4

Wireless Configuration and Security

202-10042-02 v1.1

•

Mode.

This field determines which data communications protocol will be used. You can select

“g only,” “b only,” or “g and b.” “g only” dedicates the WGX102 to communicating with the

higher bandwidth 802.11g wireless devices exclusively. “b only” dedicates the WGX102 to

communicating with the higher bandwidth 802.11b wireless devices exclusively. The “g and

b” mode provides backward compatibility with the slower 802.11b wireless devices while still

enabling 802.11g communications.

•

Wireless Card Access List.

When the Trusted PCs Only radio button is selected, the

WGX102 checks the MAC address of the wireless station and only allows connections to

computers identified on the trusted computers list.

•

Security Options.

These options are the wireless security features you can enable. The table

below identifies the various basic wireless security options. A full explanation of these

standards is available in

Appendix C, “Wireless Networking Basics”

Table 5-1.

Basic Wireless Security Options

Field

Description

Disable

No wireless security.

WEP

WEP offers the following options:

•

Open System

With Open Network Authentication and 64- or 128-bit WEP Data Encryption, the WGX102

does

perform 64- or 128-bit data encryption but

does not

perform any authentication.

•

Shared Key

Shared Key authentication encrypts the SSID and data.

Choose the Encryption Strength (64- or 128-bit data encryption). Manually enter the key

values or enter a word or group of printable characters in the Passphrase box. Manually

entered keys

are

case sensitive but passphrase characters

are not

case sensitive.

Note

: Not all wireless adapter configuration utilities support passphrase key generation.

• Auto

Automatically determines whether Open System or Shared Key should be used.

WPA-PSK

WPA-Pre-shared Key

does

perform authentication, uses 128-bit data encryption and

dynamically changes the encryption keys making it nearly impossible to circumvent.

Enter a word or group of printable characters in the Passphrase box. These characters

are

case sensitive.

Note

: Not all wireless adapter configuration utilities support WPA. Furthermore, client software

is required on the client. Windows XP and Windows 2000 with Service Pack 3 do include the

client software that supports WPA. Nevertheless, the wireless adapter hardware and driver

must also support WPA.