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Setting Up Advanced Router Configurations, Using the LAN IP Setup Options

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Chapter 7 Setting Up Advanced Router Configurations This chapter describes how to configure some of the advanced setup features of your WGR826V 54 Mbps Wireless Router with Phone Adapter. These features can be found by clicking on the Advanced heading in the Main Menu of the browser interface. Features not presented in this chapter are presented in the User Guide and help screens available by following the links in the browser interface of the wireless router. Using the LAN IP Setup Options LAN IP Setup is under the Advanced heading of the browser interface. This menu allows configuration of LAN IP services such as DHCP and RIP. From the Main Menu of the browser interface, under Advanced, click on LAN IP Setup to view the LAN IP Setup menu, shown below. Figure 7-1: LAN IP Setup Menu Setting Up Advanced Router Configurations 7-1 202-10051-01, March 2005

Section	Page
Chapter 1 About This Manual	11
Audience, Scope, Conventions, and Formats	11
How to Use This Manual	12
How to Print this Manual	13
Chapter 2 Getting to Know Your NETGEAR Wireless Router	15
Package Contents	15
The Front Panel	16
The Rear Panel	18
Chapter 3 Connecting the Router to the Internet	19
Prepare to Install Your Wireless Router	19
First, Connect the Wireless Router to Your Network	19
Now, Set Up a Computer for Wireless Connectivity	28
Troubleshooting Tips	28
Chapter 4 Content Filtering	31
Content Filtering Overview	31
Firewall Rules	31
Outbound Services	34
Inbound Services	36
Blocking Access to Internet Sites	38
Blocking Access to Internet Services	39
Configuring a User Defined Service	40
Scheduling When Blocking Will Be Enforced	41
Viewing Logs of Web Access or Attempted Web Access	42
Configuring E-Mail Alert and Web Access Log Notifications	44
Chapter 5 Optimizing Wireless Connectivity and Security	47
Observe Performance, Placement, and Range Guidelines	47
Implement Appropriate Wireless Security	48
Understanding Wireless Settings	49
Default Factory Settings	51
Information to Gather Before Changing Basic Wireless Settings	52
Chapter 6 Doing Basic Router Housekeeping	53
Changing the Administrator Password	53
Reviewing the Router Status	54
Reviewing the Attached Devices	56
Backing up Your Settings	57
Using Diagnostics	59
Reviewing the VoIP and QoS Settings	60
Chapter 7 Setting Up Advanced Router Configurations	67
Using the LAN IP Setup Options	67
Configuring LAN TCP/IP Setup Parameters	68
Using the Router as a DHCP server	69
Using Address Reservation	70
Configuring Static Routes	70
Configuring WAN Setup Options	72
Setting Up a Default DMZ Server	73
Setting the MTU Size	74
Port Triggering	74
Access Control List	76
UPnP Setting	78
Firmware Upgrade, Provisioning, VoIP and QoS Advanced Settings	78
Chapter 8 Troubleshooting Common Problems	81
Basic Functioning	81
Power Light Not On	81
Lights Never Turn Off	82
LAN or Internet (WAN) Port Lights Not On	82
Troubleshooting the Web Configuration Interface	82
Troubleshooting the ISP Connection	83
Troubleshooting a TCP/IP Network Using a Ping Utility	85
Testing the LAN Path to Your Router	85
Testing the Path from Your Computer to a Remote Device	86
Restoring the Default Configuration and Password	87
Appendix A Technical Specifications	89
Appendix B Network, Routing, and Firewall Basics	91
Related Publications	91
Basic Router Concepts	91
What is a Router?	91
Routing Information Protocol	92
IP Addresses and the Internet	92
Netmask	94
Subnet Addressing	95
Private IP Addresses	97
Single IP Address Operation Using NAT	98
MAC Addresses and Address Resolution Protocol	99
Related Documents	99
Domain Name Server	99
IP Configuration by DHCP	100
Internet Security and Firewalls	100
What is a Firewall?	101
Stateful Packet Inspection	101
Denial of Service Attack	101
Ethernet Cabling	101
Category 5 Cable Quality	102
Inside Twisted Pair Cables	103
Uplink Switches, Crossover Cables, and MDI/MDIX Switching	104
Appendix C Preparing Your Network	107
What You Need To Use a Router with a Broadband Modem	107
Cabling and Computer Hardware	107
Computer Network Configuration Requirements	107
Internet Configuration Requirements	108
Where Do I Get the Internet Configuration Parameters?	108
Record Your Internet Connection Information	109
Preparing Your Computers for TCP/IP Networking	109
Configuring Windows 95, 98, and Me for TCP/IP Networking	110
Install or Verify Windows Networking Components	110
Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me	112
Selecting Windows’ Internet Access Method	114
Verifying TCP/IP Properties	114
Configuring Windows NT4, 2000 or XP for IP Networking	115
Install or Verify Windows Networking Components	115
DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4	116
DHCP Configuration of TCP/IP in Windows XP	116
DHCP Configuration of TCP/IP in Windows 2000	118
DHCP Configuration of TCP/IP in Windows NT4	121
Verifying TCP/IP Properties for Windows XP, 2000, and NT4	123
Configuring the Macintosh for TCP/IP Networking	124
MacOS 8.6 or 9.x	124
MacOS X	124
Verifying TCP/IP Properties for Macintosh Computers	125
Verifying the Readiness of Your Internet Account	126
Are Login Protocols Used?	126
What Is Your Configuration Information?	126
Obtaining ISP Configuration Information for Windows Computers	127
Obtaining ISP Configuration Information for Macintosh Computers	128
Restarting the Network	129
Appendix D Wireless Networking Basics	131
Wireless Networking Overview	131
Infrastructure Mode	131
Ad Hoc Mode (Peer-to-Peer Workgroup)	132
Network Name: Extended Service Set Identification (ESSID)	132
Authentication and WEP Data Encryption	132
802.11 Authentication	133
Open System Authentication	133
Shared Key Authentication	134
Overview of WEP Parameters	135
Key Size	136
WEP Configuration Options	137
Wireless Channels	137
WPA and WPA2 Wireless Security	138
How Does WPA Compare to WEP?	139
How Does WPA Compare to WPA2 (IEEE 802.11i)?	140
What are the Key Features of WPA and WPA2 Security?	140
WPA/WPA2 Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS	142
WPA/WPA2 Data Encryption Key Management	144
Is WPA/WPA2 Perfect?	146
Product Support for WPA/WPA2	146
Supporting a Mixture of WPA, WPA2, and WEP Wireless Clients is Discouraged	146
Changes to Wireless Access Points	147
Changes to Wireless Network Adapters	147
Changes to Wireless Client Programs	148

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Setting Up Advanced Router Configurations

7-1

202-10051-01, March 2005

Chapter 7

Setting Up Advanced Router Configurations

This chapter describes how to configure some of the advanced setup features of your WGR826V

54 Mbps Wireless Router with Phone Adapter. These features can be found by clicking on the

Advanced heading in the Main Menu of the browser interface. Features not presented in this

chapter are presented in the User Guide and help screens available by following the links in the

browser interface of the wireless router.

Using the LAN IP Setup Options

LAN IP Setup is under the Advanced heading of the browser interface. This menu allows

configuration of LAN IP services such as DHCP and RIP. From the Main Menu of the browser

interface, under Advanced, click on LAN IP Setup to view the LAN IP Setup menu, shown below.

Figure 7-1:

LAN IP Setup Menu