Netgear WPN824v2 WPN824v1 Reference Manual - Page 7

Contents

vii

202-10072-01, March 2005

Chapter 7

Troubleshooting

Basic Functioning

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7-1

Power Light Not On

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7-1

Lights Never Turn Off

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7-2

LAN or WAN Port Lights Not On

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7-2

Troubleshooting the Web Configuration Interface

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7-3

Troubleshooting the ISP Connection

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7-4

Troubleshooting a TCP/IP Network Using a Ping Utility

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7-5

Testing the LAN Path to Your Router

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7-5

Testing the Path from Your Computer to a Remote Device

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7-6

Restoring the Default Configuration and Password

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7-7

Problems with Date and Time

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7-8

Chapter 8

Advanced Configuration of the Router

Configuring Advanced Wireless Settings

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8-1

Wireless Card Access List

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8-3

Wireless Card Access Setup

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8-4

Configuring Port Triggering and Port Forwarding

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8-5

Configuring Port Forwarding to Local Servers

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8-8

Adding a Custom Service

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8-9

Editing or Deleting a Port Forwarding Entry

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8-10

Local Web and FTP Server Example

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8-10

Multiple Computers for Half Life, KALI or Quake III Example

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8-10

Configuring the WAN Setup Options

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8-11

Connect Automatically, as Required

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8-11

Disabling the SPI Firewall

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8-12

Setting Up a Default DMZ Server

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8-12

Responding to Ping on Internet WAN Port

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8-12

Setting the MTU Size

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8-13

Using the LAN IP Setup Options

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8-13

Configuring LAN TCP/IP Setup Parameters

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8-14

Using the Router as a DHCP server

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8-15

Using Address Reservation

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8-16

Using a Dynamic DNS Service

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8-16

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 Introduction	15
Key Features	15
RangeMax™ Multi-In, Multi-Out (MIMO) Technology	16
802.11g Wireless Networking	16
A Powerful, True Firewall with Content Filtering	17
Security	17
Autosensing Ethernet Connections with Auto Uplink	18
Extensive Protocol Support	18
Easy Installation and Management	19
Maintenance and Support	19
NETGEAR Related Products	20
Package Contents	20
The Router’s Front Panel	20
The Router’s Rear Panel	21
A Road Map for ‘How to Get There From Here’	22
Chapter 3 Connecting the Router to the Internet	25
Prepare to Install Your Wireless Router	25
First, Use the Smart Wizard to Configure the Wireless Router	26
Now, Set Up a Computer for Wireless Connectivity	27
Troubleshooting Tips	28
Overview of How to Access the Wireless Router	29
How to Log On to the Wireless Router After Configuration Settings Have Been Applied	30
How to Bypass the Configuration Assistant	32
How to Manually Configure Your Internet Connection	33
Using the Smart Setup Wizard	35
NETGEAR Product Registration, Support, and Documentation	36
Chapter 4 Wireless Configuration	37
Observe Performance, Placement, and Range Guidelines	37
Implement Appropriate Wireless Security	38
Understanding Wireless Settings	40
Information to Gather Before Changing Basic Wireless Settings	43
Default Factory Settings	44
How to Set Up and Test Basic Wireless Connectivity	44
How to Configure WEP	46
How to Configure WPA-PSK Wireless Security	48
How to Restrict Wireless Access by MAC Address	49
Chapter 5 Content Filtering	51
Content Filtering Overview	51
Blocking Access to Internet Sites	52
Blocking Access to Internet Services	53
Configuring a User Defined Service	54
Configuring Services Blocking by IP Address Range	55
Scheduling When Blocking Will Be Enforced	55
Viewing Logs of Web Access or Attempted Web Access	56
Configuring E-Mail Alert and Web Access Log Notifications	57
Chapter 6 Maintenance	59
Viewing Wireless Router Status Information	59
Viewing a List of Attached Devices	63
Configuration File Management	64
Restoring and Backing Up the Configuration	64
Erasing the Configuration	65
Upgrading the Router Software	65
Changing the Administrator Password	67
Chapter 7 Troubleshooting	69
Basic Functioning	69
Power Light Not On	69
Lights Never Turn Off	70
LAN or WAN Port Lights Not On	70
Troubleshooting the Web Configuration Interface	71
Troubleshooting the ISP Connection	72
Troubleshooting a TCP/IP Network Using a Ping Utility	73
Testing the LAN Path to Your Router	73
Testing the Path from Your Computer to a Remote Device	74
Restoring the Default Configuration and Password	75
Problems with Date and Time	76
Chapter 8 Advanced Configuration of the Router	77
Configuring Advanced Wireless Settings	77
Wireless Card Access List	79
Wireless Card Access Setup	80
Configuring Port Triggering and Port Forwarding	81
Configuring Port Forwarding to Local Servers	84
Adding a Custom Service	85
Editing or Deleting a Port Forwarding Entry	86
Local Web and FTP Server Example	86
Multiple Computers for Half Life, KALI or Quake III Example	86
Configuring the WAN Setup Options	87
Connect Automatically, as Required	87
Disabling the SPI Firewall	88
Setting Up a Default DMZ Server	88
Responding to Ping on Internet WAN Port	88
Setting the MTU Size	89
Using the LAN IP Setup Options	89
Configuring LAN TCP/IP Setup Parameters	90
Using the Router as a DHCP server	91
Using Address Reservation	92
Using a Dynamic DNS Service	92
Configuring Static Routes	93
Enabling Remote Management Access	95
Using Universal Plug and Play (UPnP)	96
Appendix A Technical Specifications	99
Appendix B Network, Routing, Firewall, and Basics	101
Related Publications	101
Basic Router Concepts	101
What is a Router?	101
Routing Information Protocol	102
IP Addresses and the Internet	102
Netmask	104
Subnet Addressing	104
Private IP Addresses	107
Single IP Address Operation Using NAT	107
MAC Addresses and Address Resolution Protocol	108
Related Documents	109
Domain Name Server	109
IP Configuration by DHCP	110
Internet Security and Firewalls	110
What is a Firewall?	110
Stateful Packet Inspection	111
Denial of Service Attack	111
Ethernet Cabling	111
Category 5 Cable Quality	112
Inside Twisted Pair Cables	113
Uplink Switches, Crossover Cables, and MDI/MDIX Switching	114
Appendix C Preparing Your Network	117
What You Need To Use a Router with a Broadband Modem	117
Cabling and Computer Hardware	117
Computer Network Configuration Requirements	117
Internet Configuration Requirements	118
Where Do I Get the Internet Configuration Parameters?	118
Record Your Internet Connection Information	119
Preparing Your Computers for TCP/IP Networking	119
Configuring Windows 95, 98, and Me for TCP/IP Networking	120
Install or Verify Windows Networking Components	120
Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me	122
Selecting Windows’ Internet Access Method	124
Verifying TCP/IP Properties	124
Configuring Windows NT4, 2000 or XP for IP Networking	125
Install or Verify Windows Networking Components	125
DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4	126
DHCP Configuration of TCP/IP in Windows XP	126
DHCP Configuration of TCP/IP in Windows 2000	128
DHCP Configuration of TCP/IP in Windows NT4	131
Verifying TCP/IP Properties for Windows XP, 2000, and NT4	133
Configuring the Macintosh for TCP/IP Networking	134
MacOS 8.6 or 9.x	134
MacOS X	134
Verifying TCP/IP Properties for Macintosh Computers	135
Verifying the Readiness of Your Internet Account	136
Are Login Protocols Used?	136
What Is Your Configuration Information?	136
Obtaining ISP Configuration Information for Windows Computers	137
Obtaining ISP Configuration Information for Macintosh Computers	138
Restarting the Network	139
Appendix D Wireless Networking Basics	141
Wireless Networking Overview	141
Infrastructure Mode	141
Ad Hoc Mode (Peer-to-Peer Workgroup)	142
Network Name: Extended Service Set Identification (ESSID)	142
Authentication and WEP Data Encryption	142
802.11 Authentication	143
Open System Authentication	143
Shared Key Authentication	144
Overview of WEP Parameters	145
Key Size	146
WEP Configuration Options	147
Wireless Channels	147
WPA and WPA2 Wireless Security	148
How Does WPA Compare to WEP?	149
How Does WPA Compare to WPA2 (IEEE 802.11i)?	150
What are the Key Features of WPA and WPA2 Security?	150
WPA/WPA2 Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS	152
WPA/WPA2 Data Encryption Key Management	154
Is WPA/WPA2 Perfect?	156
Product Support for WPA/WPA2	156
Supporting a Mixture of WPA, WPA2, and WEP Wireless Clients is Discouraged	156
Changes to Wireless Access Points	157
Changes to Wireless Network Adapters	157
Changes to Wireless Client Programs	158

Netgear WPN824v2 WPN824v1 Reference Manual - Page 7

Troubleshooting, Advanced Configuration of the Router - default password

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