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Advanced Configuration of the Router, Configuring for Port Forwarding to Local Servers

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Chapter 7 Advanced Configuration of the Router This chapter describes how to configure the advanced features of your MR814 v3 Cable/DSL Wireless Router. These features can be found under the Advanced heading in the Main Menu of the browser interface. Configuring for Port Forwarding to Local Servers Although the router causes your entire local network to appear as a single machine to the Internet, you can make a local server (for example, a web server or game server) visible and available to the Internet. This is done using the Port Forwarding menu. From the Main Menu of the browser interface, under Advanced, click on Port Forwarding to view the port forwarding menu, shown below. Figure 7-1: Port Forwarding Menu . Note: If you are unfamiliar with networking and routing, refer to Appendix B, "Network, Routing, Firewall, and Basics," to become more familiar with the terms and procedures used in this manual. Advanced Configuration of the Router 7-1 202-10039-01

Section	Page
Reference Manual for the MR814 v3 Cable/DSL Wireless Router	1
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	13
Chapter 2 Introduction	15
Key Features of the Router	15
802.11b Standards-based Wireless Networking	16
A Powerful, True Firewall with Content Filtering	16
Security	17
Autosensing Ethernet Connections with Auto Uplink™	17
Extensive Protocol Support	17
Easy Installation and Management	18
Maintenance and Support	19
Package Contents	19
The Router’s Front Panel	20
The Router’s Rear Panel	21
A Road Map for ‘How to Get There From Here’	21
Chapter 3 Connecting the Router to the Internet	25
Prepare to Install Your Router	25
First, Connect the Router to the Internet	25
Now, Set Up a Computer for Wireless Connectivity	31
Troubleshooting Tips	32
Overview of How to Access the Router	33
How to Log On to the Router After Configuration Settings Have Been Applied	34
How to Bypass the Configuration Assistant	36
How to Manually Configure Your Internet Connection	37
Using the Smart Setup Wizard	39
NETGEAR product registration, support, and documentation	40
Chapter 4 Wireless Configuration	41
Observe Performance, Placement, and Range Guidelines	41
Implement Appropriate Wireless Security	42
Understanding Wireless Settings	43
Default Factory Settings	43
Basic Wireless Settings	43
Advanced Wireless Settings	46
Information to Gather Before Changing Basic Wireless Settings	47
How to Set Up and Test Basic Wireless Connectivity	48
How to Configure WEP	50
How to Configure WPA-PSK Wireless Security	51
How to Restrict Wireless Access by MAC Address	52
Chapter 5 Content Filtering	55
Content Filtering Overview	55
Blocking Access to Internet Sites	56
Blocking Access to Internet Services	57
Configuring a User Defined Service	58
Configuring Services Blocking by IP Address Range	59
Scheduling When Blocking Will Be Enforced	59
Viewing Logs of Web Access or Attempted Web Access	60
Configuring E-Mail Alert and Web Access Log Notifications	61
Chapter 6 Maintenance	63
Viewing Router Status Information	63
Viewing a List of Attached Devices	67
Configuration File Management	67
Restoring and Backing Up the Configuration	68
Erasing the Configuration	69
Upgrading the Router Software	69
Changing the Administrator Password	70
Chapter 7 Advanced Configuration of the Router	73
Configuring for Port Forwarding to Local Servers	73
Adding a Custom Service	74
Editing or Deleting a Port Forwarding Entry	75
Local Web and FTP Server Example	75
Multiple Computers for Half Life, KALI or Quake III Example	75
Configuring the WAN Setup Options	76
Setting Up a Default DMZ Server	76
Respond to Ping on Internet WAN Port	77
Setting the MTU Size	77
Using the LAN IP Setup Options	78
Configuring LAN TCP/IP Setup Parameters	78
Using the Router as a DHCP server	80
Using Address Reservation	80
Using a Dynamic DNS Service	81
Configuring Static Routes	82
Enabling Remote Management Access	84
Using Universal Plug and Play (UPnP)	85
Chapter 8 Troubleshooting	87
Basic Functioning	87
Power Light Not On	87
Lights Never Turn Off	88
LAN or WAN Port Lights Not On	88
Troubleshooting the Web Configuration Interface	89
Troubleshooting the ISP Connection	90
Troubleshooting a TCP/IP Network Using a Ping Utility	91
Testing the LAN Path to Your Router	91
Testing the Path from Your Computer to a Remote Device	92
Restoring the Default Configuration and Password	93
Problems with Date and Time	94
Appendix A Technical Specifications	95
Appendix B Network, Routing, Firewall, and Basics	97
Related Publications	97
Basic Router Concepts	97
What is a Router?	97
Routing Information Protocol	98
IP Addresses and the Internet	98
Netmask	100
Subnet Addressing	100
Private IP Addresses	103
Single IP Address Operation Using NAT	103
MAC Addresses and Address Resolution Protocol	104
Related Documents	105
Domain Name Server	105
IP Configuration by DHCP	106
Internet Security and Firewalls	106
What is a Firewall?	106
Stateful Packet Inspection	107
Denial of Service Attack	107
Ethernet Cabling	107
Category 5 Cable Quality	108
Inside Twisted Pair Cables	109
Uplink Switches, Crossover Cables, and MDI/MDIX Switching	110
Appendix C Preparing Your Network	113
What You Need To Use a Router with a Broadband Modem	113
Cabling and Computer Hardware	113
Computer Network Configuration Requirements	113
Internet Configuration Requirements	114
Where Do I Get the Internet Configuration Parameters?	114
Record Your Internet Connection Information	115
Preparing Your Computers for TCP/IP Networking	115
Configuring Windows 95, 98, and Me for TCP/IP Networking	116
Install or Verify Windows Networking Components	116
Enabling DHCP to Automatically Configure TCP/IP Settings in Windows 95B, 98, and Me	118
Selecting Windows’ Internet Access Method	120
Verifying TCP/IP Properties	120
Configuring Windows NT4, 2000 or XP for IP Networking	121
Install or Verify Windows Networking Components	121
DHCP Configuration of TCP/IP in Windows XP, 2000, or NT4	122
DHCP Configuration of TCP/IP in Windows XP	122
DHCP Configuration of TCP/IP in Windows 2000	124
DHCP Configuration of TCP/IP in Windows NT4	127
Verifying TCP/IP Properties for Windows XP, 2000, and NT4	129
Configuring the Macintosh for TCP/IP Networking	130
MacOS 8.6 or 9.x	130
MacOS X	130
Verifying TCP/IP Properties for Macintosh Computers	131
Verifying the Readiness of Your Internet Account	132
Are Login Protocols Used?	132
What Is Your Configuration Information?	132
Obtaining ISP Configuration Information for Windows Computers	133
Obtaining ISP Configuration Information for Macintosh Computers	134
Restarting the Network	135
Appendix D Wireless Networking Basics	137
Wireless Networking Overview	137
Infrastructure Mode	137
Ad Hoc Mode (Peer-to-Peer Workgroup)	138
Network Name: Extended Service Set Identification (ESSID)	138
Wireless Channels	138
Authentication and WEP	140
802.11b Authentication	140
Open System Authentication	141
Shared Key Authentication	141
Overview of WEP Parameters	142
Key Size	143
WEP Configuration Options	144
WPA Wireless Security	144
How Does WPA Compare to WEP?	145
How Does WPA Compare to IEEE 802.11i?	146
What are the Key Features of WPA Security?	146
WPA Authentication: Enterprise-level User Authentication via 802.1x/EAP and RADIUS	148
WPA Data Encryption Key Management	150
Is WPA Perfect?	152
Product Support for WPA	152
Supporting a Mixture of WPA and WEP Wireless Clients	152
Changes to Wireless Access Points	152
Changes to Wireless Network Adapters	153
Changes to Wireless Client Programs	154
Glossary	155

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Advanced Configuration of the Router

7-1

202-10039-01

Chapter 7

Advanced Configuration of the Router

This chapter describes how to configure the advanced features of your MR814 v3 Cable/DSL

Wireless Router. These features can be found under the Advanced heading in the Main Menu of

the browser interface.

Configuring for Port Forwarding to Local Servers

Although the router causes your entire local network to appear as a single machine to the Internet,

you can make a local server (for example, a web server or game server) visible and available to the

Internet. This is done using the Port Forwarding menu. From the Main Menu of the browser

interface, under Advanced, click on Port Forwarding to view the port forwarding menu, shown

below.

Figure 7-1:

Port Forwarding Menu

Note:

If you are unfamiliar with networking and routing, refer to

Appendix B,

“Network, Routing, Firewall, and Basics

,” to become more familiar with the terms and

procedures used in this manual.