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Wireless-G Router WGR614v9 Reference Manual 4. Click Apply to enter the reserved address into the table. Note: The reserved address is not assigned until the next time the computer contacts the router's DHCP server. Reboot the computer or access its IP configuration and force a DHCP release and renew. To edit or delete a reserved address entry: 1. Click the button next to the reserved address you want to edit or delete. 2. Click Edit or Delete. Using a Dynamic DNS Service If your Internet Service Provider (ISP) gave you a permanently assigned IP address, you can register a domain name and have that name linked with your IP address by public Domain Name Servers (DNS). However, if your Internet account uses a dynamically assigned IP address, you do not know in advance what your IP address will be, and the address can change frequently. In this case, you can use a commercial Dynamic DNS service, which allows you to register your domain to their IP address, and forwards traffic directed at your domain to your frequently changing IP address. Note: If your ISP assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x), the Dynamic DNS service will not work because private addresses are not routed on the Internet. Your router contains a client that can connect to the Dynamic DNS service provided by DynDNS.org. You must first visit their website at www.dyndns.org and obtain an account and host name, which you specify in the router. Then, whenever your ISP-assigned IP address changes, your router automatically contacts the Dynamic DNS service provider, logs in to your account, and registers your new IP address. If your host name is hostname, for example, you can reach your router at hostname.dyndns.org. 4-4 Customizing Your Network Settings v1.1, May 2008

Section	Page
Wireless-G Router WGR614v9 Reference Manual	1
Contents	7
About This Manual	11
Conventions, Formats, and Scope	11
How to Use This Manual	12
How to Print This Manual	12
Revision History	13
Chapter 1 Configuring Basic Connectivity	15
Configuring Your Internet Connection Using the Smart Setup Wizard	15
Using the Setup Manual	16
Logging In to Your Wireless Router	16
Viewing and Configuring Basic ISP Settings	19
Chapter 2 Safeguarding Your Network	25
Choosing Appropriate Wireless Security	25
Recording Basic Wireless Settings Setup Information	28
Changing Wireless Security Settings	29
Viewing Basic Wireless Settings	29
Configuring WEP Wireless Security	31
Configuring WPA-PSK and WPA2-PSK Wireless Security	33
Viewing Advanced Wireless Settings	34
Restricting Wireless Access by MAC Address	35
Changing the Administrator Password	38
Backing Up Your Configuration	39
Understanding Your Firewall	39
Chapter 3 Restricting Access From Your Network	41
Content Filtering Overview	41
Blocking Access to Internet Sites	41
Blocking Access to Internet Services	43
Configuring a User-Defined Service	44
Blocking Services by IP Address Range	45
Scheduling Blocking	45
Viewing Logs of Web Access or Attempted Web Access	47
Chapter 4 Customizing Your Network Settings	49
Using the LAN IP Setup Options	49
Configuring a Device Name	50
Configuring LAN TCP/IP Setup Parameters	50
Using the Router as a DHCP Server	50
Using Address Reservation	51
Using a Dynamic DNS Service	52
Configuring the WAN Setup Options	54
Disabling the SPI Firewall	54
Setting Up a Default DMZ Server	54
Responding to a Ping on the Internet (WAN) Port	55
Setting the MTU Size	55
Configuring NAT Filtering	56
Configuring Static Routes	56
Wireless Repeating (Also Called WDS)	58
Wireless Repeating Function	59
Setting Up the Base Station	60
Setting Up a Repeater Unit	61
Chapter 5 Fine-Tuning Your Network	63
Allowing Inbound Connections to Your Network	63
How Your Computer Accesses a Remote Computer through Your Router	64
How Port Triggering Changes the Communication Process	65
How Port Forwarding Changes the Communication Process	67
How Port Forwarding Differs from Port Triggering	68
Configuring Port Forwarding to Local Servers	68
Adding a Custom Service	69
Editing or Deleting a Port Forwarding Entry	70
Application Example: Making a Local Web Server Public	70
Configuring Port Triggering	71
Using Universal Plug and Play	74
Optimizing Wireless Performance	75
Using WMM for Wireless Multimedia Applications	76
Changing the MTU Size	77
Overview of Home and Small Office Networking Technologies	78
Assessing Your Speed Requirements	79
Chapter 6 Using Network Monitoring Tools	81
Viewing Wireless Router Status Information	81
Viewing a List of Attached Devices	85
Managing the Configuration File	86
Backing Up and Restoring the Configuration	86
Erasing the Configuration	87
Upgrading the Router Software	87
Upgrading Automatically to New Router Software	89
Upgrading Manually to New Router Software	90
Enabling Remote Management Access	91
Chapter 7 Troubleshooting	93
Troubleshooting Quick Tips	93
Be sure to restart your network in this sequence.	93
Make sure that the Ethernet cables are securely plugged in.	94
Make sure that the wireless settings in the computer and router match exactly.	94
Make sure that the network settings of the computer are correct.	94
Check the Test light to verify correct router operation.	94
Troubleshooting Basic Functions	95
The Power light is not on or is blinking.	95
The lights never turn off.	95
The Internet or Ethernet port lights are not on.	96
The Wireless light is not on.	96
Troubleshooting the Web Configuration Interface	96
Troubleshooting the Internet Connection	97
Troubleshooting a Network Using the Ping Utility	99
Testing the LAN Path to Your Router	99
Testing the Path from Your Computer to a Remote Device	100
Problems with Date and Time	101
Solving Wireless Connection Problems	101
Using Your Wireless Card Setup Program	101
Setting Up and Testing Basic Wireless Connectivity	102
Restoring the Default Configuration and Password	105
Appendix A Technical Specifications	107
Appendix B Related Documents	109

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Wireless-G Router WGR614v9 Reference Manual

4-4

Customizing Your Network Settings

v1.1, May 2008

Click

Apply

to enter the reserved address into the table.

To edit or delete a reserved address entry:

Click the button next to the reserved address you want to edit or delete.

Click

Edit

Delete

Using a Dynamic DNS Service

If your Internet Service Provider (ISP) gave you a permanently assigned IP address, you can

Servers (DNS). However, if your Internet account uses a dynamically assigned IP address, you do

not know in advance what your IP address will be, and the address can change frequently. In this

case, you can use a commercial Dynamic DNS service, which allows you to register your domain

to their IP address, and forwards traffic directed at your domain to your frequently changing IP

address.

Your router contains a client that can connect to the Dynamic DNS service provided by

DynDNS.org. You must first visit their website at

www.dyndns.org

and obtain an account and host

name, which you specify in the router. Then, whenever your ISP-assigned IP address changes,

your router automatically contacts the Dynamic DNS service provider, logs in to your account, and

registers your new IP address. If your host name is hostname, for example, you can reach your

router at hostname.dyndns.org.

Note:

The reserved address is not assigned until the next time the computer contacts

the router’s DHCP server. Reboot the computer or access its IP configuration

and force a DHCP release and renew.

Note:

If your ISP assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x), the

Dynamic DNS service will not work because private addresses are not routed on

the Internet.