20

Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility

Setup

Wireless-G Ethernet Bridge

WPA Pre-Shared Key

WPA gives you TKIP for the encryption method. Enter a WPA Shared Key of 8-32 characters. (See Figure 7-6.)

Enter a key shared between the Bridge and the server.

Click the

Apply

button to save your changes. If your page doesn’t automatically refresh itself, then click the

Refresh

button of your web browser. Click the

View Log

button to view a log.

The

Log Table

screen appears in Figure 7-7. The log shows the authentication process.

Click the

Refresh

button to refresh the screen. Click the

Close

button to return to the the previous screen.

Figure 7-7: Log Table

Figure 7-6: WPA Pre-Shared Key

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21

Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility

Setup

Wireless-G Ethernet Bridge

RADIUS

This option features WEP used in coordination with a RADIUS server. (This should only be used when a

RADIUS server is connected to the Router.) It offers three authentication methods: MD5, TLS, and TTLS.

EAP Type

MD5

Select a Default Key (choose which Key to use), and a level of WEP encryption,

64 bits 10 hex digits

or

128

bits 26 hex digits

. Then either generate a WEP key using a Passphrase or enter the WEP key manually. (See

Figure 7-8.)

•

Default Transmit Key

Select which WEP key (1-4) will be used when the Bridge sends data. Make sure that

the receiving device (wireless client) is using the same key.

•

WEP Encryption. An acronym for Wired Equivalent Privacy, WEP is an encryption method used to protect your

wireless data communications. WEP uses 64-bit or 128-bit keys to provide access control to your network

and encryption security for every data transmission. To decode data transmissions, all devices in a network

must use an identical WEP key. Higher encryption levels offer higher levels of security, but due to the

complexity of the encryption, they may decrease network performance. Select

64 bits (10 hex digits)

or

128

bits (26 hex digits)

.

•

Passphrase. Instead of manually entering WEP keys, you can enter a passphrase. This passphrase is used to

generate one or more WEP keys. It is case-sensitive and should not be longer than 32 alphanumeric

characters. (This Passphrase function is compatible with Linksys wireless products only and cannot be used

with Windows XP Zero Configuration. If you want to communicate with non-Linksys wireless products or

Windows XP Zero Configuration, make a note of the WEP key generated in the Key 1 field, and enter it

manually in the wireless client.) After you enter the Passphrase, click the

Generate

button to create WEP

keys.

•

Keys 1-4. WEP keys enable you to create an encryption scheme for wireless network transmissions. If you are

not using a Passphrase, then manually enter a set of values. (Do not leave a key field blank, and do not enter

all zeroes; they are not valid key values.) If you are using 64-bit WEP encryption, the key must be exactly 10

hexadecimal characters in length. If you are using 128-bit WEP encryption, the key must be exactly 26

hexadecimal characters in length. Valid hexadecimal characters are “0”-“9” and “A”-“F”.

•

User ID and Password. A user identification and password are required for your security. Enter the ID in the

User ID

field, then the password in the

Password

field.

When finished making your changes on this tab, click the

Apply

button to save these changes.

Figure 7-8: RADIUS-MD5

Encryption

- Encoding data transmitted in a

network.

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Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility

Setup

Wireless-G Ethernet Bridge

TLS

TLS is a mutual authentication method that uses digital certificates.Select TLS from the EAP Type drop-down

menu. Enter the Login name of your wireless network in the

User ID

field. Enter the

User

Certificate and Root

Certificate

in the fields or click the

Browse

button to browse for it, then upload it.

•

EAP Type - The authentication method that your network uses. Select

TLS

from the drop-down menu.

•

User ID -Your User ID is the Login name of your wireless network. Enter the Login name of your wireless

network in the

User ID

field.

•

User Certificate - Enter the user certificate you have installed to authenticate you on your wireless network

or

click the

Browse

button to browse for it. Click the

Upload

button to upload the certificate.

•

Root Certificate - Enter the root certificate you have installed to authenticate you on your wireless network

or

click the

Browse

button to browse for it. Click the

Upload

button to upload the certificate.

Click the

Apply

button to save your changes. If your page doesn’t automatically refresh itself, then click the

Refresh

button of your web browser. Click the

View Log

button to view a log.

Figure 7-9: RADIUS-TLS

TLS (T

ransport

L

ayer

S

ecurity) - A mutual authentication

method that uses digital certificates.

EAP

(

E

xtensible

A

uthentication

P

rotocol) - A general

authentication protocol used to control network access.

Many specific authentication methods work within this

framework.

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Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility

Setup

Wireless-G Ethernet Bridge

TTLS

TTLS is a mutual authentication method that uses digital certificates. Select TTLS from the EAP Type drop-

down menu. Enter the Login name of your wireless network in the

User ID

field and the password in the

Password

field. Enter the

Root Certificate

in the field or click the

Browse

button to browse for it, then upload

it.

•

EAP Type - The authentication method that your network uses. Select

TTLS

from the drop-down menu.

•

User ID -Your User ID is the Login name of your wireless network. Enter the Login name of your wireless

network in the

User ID

field.

•

Password - This is the password used for your wireless network. Enter the password in the

Password

field.

•

Root Certificate - Enter the root certificate you have installed to authenticate you on your wireless network

or

click the

Browse

button to browse for it. Click the

Upload

button to upload the certificate.

Click the

Apply

button to save your changes. If your page doesn’t automatically refresh itself, then click the

Refresh

button of your web browser. Click the

View Log

button to view a log.

To save your changes, click the

Apply

button. Click the

Cancel

button to cancel your changes. Click the

Help

button for additional on-screen information.

Figure 7-10: RADIUS-TTLS

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24

Chapter 7: Using the Wireless-G Ethernet Bridge Web-based Utility

Password

Wireless-G Ethernet Bridge

Password

The

Password

screen, shown in Figure 7-11, lets you change the Bridge’s Password and restore the factory

default settings.

•

Administrative Password - It is strongly recommended that you change the factory default password of the

Bridge from admin to a new password that you create. All users who try to access the Bridge’s Web-based

Utility will be prompted for the Bridge’s Password. The new Password must not exceed 12 characters in

length and must not include any spaces. Enter the new Password a second time to confirm it.

•

Restore Factory Defaults - Click the

Yes

radio button to reset all configuration settings to their default values.

If you do not want to restore the factory defaults, then keep the default setting,

No

.

To save your changes, click the

Apply

button. Click the

Cancel

button to cancel your changes. Click the

Help

button for additional on-screen information.

Advanced Settings

Use the

Advanced Settings

screen, shown in Figure 7-12, to customize advanced wireless settings and clone a

MAC address onto the Bridge.

Wireless

•

Transmission Rate - The default setting is

Auto

. The range is from 1 to 54Mbps.The rate of data transmission

should be set depending on the speed of your wireless network. You can select from a range of transmission

speeds, or you can keep the default setting,

Auto

, to have the Bridge automatically use the fastest possible

data rate and enable the Auto-Fallback feature. Auto-Fallback will negotiate the best possible connection

speed between the Bridge and another wireless-equipped device.

•

Authentication Type - The default setting is

Auto

. The choices are

Auto

,

Open

, and

Shared

. This setting

allows the Bridge to authenticate communication with the wireless devices in your network. With the Shared

key setting, all wireless devices must have the same WEP keys so that the Bridge and the client can

authenticate each other and start transmitting data. With the Open system setting, any device can join a

network without performing any security check. Using the Auto setting, the Bridge will automatically detect

Figure 7-12: Advanced Settings Tab

Figure 7-11: Password Tab

IMPORTANT:

Any settings you have saved will be

lost if the default settings are restored.

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