NETGEAR DG824M Router Manual PDF (Setup & Configuration Guide)

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Reference Manual for the Model DG824M Wireless ADSL Modem Gateway

3-4

Wireless Configuration

3.

Set the Channel.

This field determines which operating frequency will be used. It should not be necessary to

change the wireless channel unless you notice interference problems with another nearby

wireless router or access point. Select a channel that is not being used by any other wireless

networks within several hundred feet of your gateway. The default channel is 6.

4.

For initial configuration and test, make sure that the Wireless Card Access List is set to

Everyone and that Encryption Strength is set to Disabled.

Note:

These settings are not recommended for normal operation, but should be set initially to

test basic wireless connectivity.

5.

Click Apply to save your changes.

6.

Configure and test your PCs for wireless connectivity.

Program the wireless adapter of your PCs to have the same SSID and channel that you

configured in the router. Check that they have a wireless link and are able to obtain an IP

address by DHCP from the gateway.

Once your PCs have basic wireless connectivity to the gateway, then you can configre the

advanced wireless security functions of the gateway.

Using the Wireless Access by MAC Address Feature

By default, any wireless PC that is configured with the correct SSID will be allowed access to your

network. For increased security, you can restrict access to the wireless network to only allow

specific PCs based on their MAC addresses. You can allow access by:

The Trusted PCs window displays a list of MAC addresses that will be allowed to connect to the

gateway. These PCs must also be configured with SSID and WEP settings which match those of

the DG824M.

Note:

If you are configuring the gateway from a wireless PC and you change the

gateway’s SSID, channel, or WEP settings, you will lose your wireless connection when

you click on Apply. You must then change the wireless settings of your PC to match the

gateway’s new settings.

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Reference Manual for the Model DG824M Wireless ADSL Modem Gateway

Wireless Configuration

3-5

Procedure 3-2:

Restricting Wireless Access by MAC Address

To restrict access based on MAC addresses, follow these steps:

1.

From the Wireless Settings menu, click the Trusted PCs button to display the Wireless Access

menu, shown below:

Figure 3-2.

Wireless Access menu

2.

Click the Add button.

3.

Enter the MAC address of the authorized PC. The MAC address is usually printed on the

wireless card, or it may appear in the gateway’s DHCP table.

You can copy and paste the MAC addresses from the gateway’s Attached Devices menu into

the MAC Address box of this menu. To do this, configure each wireless PC to obtain a

wireless link to the gateway. The PC should then appear in the Attached Devices menu.

4.

Click Add to save your entry.

5.

Return to the Wireless Settings menu, select Trusted PCs only, then click Apply.

To delete a MAC address from the table, click on it to select it, then click the Delete button.

To edit a MAC address from the table, click on it to select it, then click the Edit or Delete button.

Note:

If you are configuring the gateway from a wireless PC whose MAC address is not

in the Trusted PC list, and you select Trusted PCs only, you will lose your wireless

connection when you click on Apply. You must then access the gateway from a wired

PC to make any further changes.

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Reference Manual for the Model DG824M Wireless ADSL Modem Gateway

3-6

Wireless Configuration

Configuring Wired Equivalent Privacy (WEP)

Figure 3-3.

Wireless WEP menu

In the Wireless Settings menu you can configure WEP data encryption using the following

parameters:

•

Authentication Type

Normally this can be left at the default value of Automatic. If that fails, select the appropriate

value - Open System or Shared Key. Check your wireless card's documentation to see what

method to use.

•

Encryption Strength

The previous settings have determined which PCs will be allowed to access your wireless

network, but have not added any protection from eavesdropping. With this setting, you can

choose to have your data encrypted between the PCs and the gateway. Your choices are:

— Disable

No encryption will be applied. This setting is useful for troubleshooting your wireless

connection, but leaves your wireless data fully exposed.

—

64 or 128 bit WEP

Wireless Equivalent Privacy encryption will be applied. WEP provides some degree of

privacy, but can be defeated without great difficulty.

— Keys

If WEP is enabled, you can manually or automatically program the four data encryption

keys. These values must be identical on all PCs and Access Points in your network.

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Reference Manual for the Model DG824M Wireless ADSL Modem Gateway

Wireless Configuration

3-7

•

Automatic - Enter a word or group of printable characters in the Passphrase box and

click the Generate button. The keys will be automatically populated with key values.

For 64-bit encryption, all four keys are generated from a single passphrase. With

128-bit encryption, each key can be generated with a different pasphrase.

•

Manual - Enter ten hexadecimal digits (any combination of 0-9, a-f, or A-F)

Select which of the four keys will be active.

Be sure to click Apply to save your settings in this menu.

Configuring WEP (Wired Equivalent Privacy)

If you have chosen to use WEP instead of IPSec, go to the Wireless Settings menu, click the

Encryption Strength box and select either 64 Bit WEP or 128 Bit WEP. The Wireless Settings

menu will display WEP setting fields, as shown below.

Figure 3-4.

Wireless Settings menu, WEP selected

When WEP is enabled, you can manually or automatically program the four data encryption keys.

These values must be identical on all PCs and Access Points in your network.

•

Manual - Enter 10 hexadecimal digits if 64 Bit WEP or 26 digits for 128 Bit WEP.

Hexadecimal digits are 0-9, a-f, or A-F.

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Reference Manual for the Model DG824M Wireless ADSL Modem Gateway

3-8

Wireless Configuration

•

Automatic - Enter a word or group of printable characters in the Passphrase box and click the

Generate button.

Select which of the four keys will be active.

Click Apply to save any settings from this menu.

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