3Com WL522 Router Manual PDF (Setup & Configuration Guide)

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HAPTER

4: R

UNNING

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Security Mode

Select the security mode, five options available:

■

Disabled: selecting this mode means no wireless security will be used.

■

64-bit WEP : see

page 45

■

128-bit WEP: see

page 46

■

WPA-PSK (no server): see

page 47

■

WPA (with Radius server): see

page 48

Figure 30

Security Mode Screen

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Page 47 / 172

Accessing the Setup Wizard

Wireless Security: 64-bit WEP

WEP is the basic mechanism to transmit your data securely over the

wireless network. Matching encryption keys must be setup on your

Router and wireless client devices to use WEP. 3Com recommends to use

stronger WPA/WPA2 security.

Figure 31

64-bit WEP Screen

To enable 64-bit WEP:

You can enter the 64-bit WEP key manually. Enter the WEP key as 5 pairs

of hex digits (0-9, A-F). Or you can generate the 64-bit WEP key

automatically. Enter a memorable passphrase in the Passphrase box, and

then click

Generate

to generate the hex keys from the passphrase.

For 64-bit WEP, you can enter up to four keys, in the fields Key 1 to Key 4.

The radio button on the left hand side selects the key that is used in

transmitting data.

Click Apply.

Note that all four WEP keys on each device in the wireless network must

be identical.

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Page 48 / 172

HAPTER

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UNNING

THE

ETUP

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Wireless Security: 128-bit WEP

WEP is the basic mechanism to transmit your data securely over the

wireless network. Matching encryption keys must be set up on your

Router and wireless client devices to use WEP. 3Com recommends to use

stronger WPA/WPA2 security.

Figure 32

128-bit WEP Screen

To enable 128-bit WEP:

You can enter the 128-bit WEP key manually, enter your WEP key as 13

pairs of hex digits (0-9, A-F). Or you can generate the 128-bit WEP key

automatically, enter a memorable passphrase in the Passphrase box, and

then click Generate to generate the hex keys from the passphrase.

Click Apply.

Note that the WEP keys on each device on the wireless network must be

identical. In 128-bit WEP mode, only one WEP key can be specified.

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Page 49 / 172

Accessing the Setup Wizard

WPA-PSK (no server)

WPA (Wi-Fi Protected Access) provides dynamic key changes and

constitutes the best security solution. If your network does not have a

RADIUS server. Select the no server option.

Figure 33

WPA-PSK (no server) Screen

1 Select WPA-PSK (no server) from the

WPA

drop-down menu.

Select

WPA mode

from the drop-down menu, three modes are

supported: WPA, WPA2, and Mixed mode.

Select

Encryption technique

from the drop-down menu, four options are

available: TKIP, AES, Auto for WPA AES for WPA2, and AES for both WPA

and WPA2.

WPA supports TKIP and AES Encryption technique, for some old module

of wireless client cards, they may only support TKIP. In this case, we

suggest you to select “AUTO for WPA, AES for WPA2”. If your wireless

client cards can support AES over WPA, we suggest you directly select

“AES for both WPA and WPA2”.

Enter the pre-shared key in the

Pre-shared Key

(PSK) field. The pre-shared

key is a password, in the form of a word, phrase or series of letters and

numbers. The key must be between 8 and 63 characters long and can

include spaces and symbols. Each client that connects to the network

must use the same key.

If you want the key that you enter to be shown on the screen as a series

of asterisks (*), then check the

Hide PSK

checkbox.

Click

Next.

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Page 50 / 172

HAPTER

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UNNING

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WPA (with Radius server)

WPA (Wi-Fi Protected Access) provides dynamic key changes and

constitutes the best security solution. This function requires that a

RADIUS server is running on the network.

Figure 34

WPA with Radius server Screen

Select WPA with RADIUS server from the

Security Mode

drop-down

menu.

Select

WPA mode

from the drop-down menu, three modes are

supported: WPA, WPA2, and Mixed mode.

Select

Encryption technique

from the drop-down menu, four options are

available: TKIP, AES, Auto for WPA AES for WPA2, and AES for both WPA

and WPA2.

WPA supports TKIP and AES Encryption technique, for some old module

of wireless client cards, they may only support TKIP. In this case, we

suggest you to select “AUTO for WPA, AES for WPA2”. If your wireless

client cards can support AES over WPA, we suggest you directly select

“AES for both WPA and WPA2”.

Enter the IP address of the RADIUS server on your network into the

RADIUS Server

field.

Enter the port number that the RADIUS server is operating on in the

RADIUS Port

field.

Enter the key for the RADIUS server in the

RADIUS Key

field.

By default, the WPA keys are changed every hour, but if you want to

change this setting, you can do so by specifying the required time in the

Re-key Interval field.

Click

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