Siemens Gigaset-SE572 Router Manual PDF (Setup & Configuration Guide)

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76

Configuring the Advanced Settings

WPA and WPA2 with authentication server

In large networks (e.g. in companies) WPA enables the use of an additional authentica-

tion service. In this case, user access is controlled by user accounts and passwords, in

addition to WPA encryption. A RADIUS server acts as an authentication server. You can

select the new standard

WPA2

if this is supported by all components in your wireless

network, or select

WPA2 / WPA

if you are using devices that only support WPA.

ì

Select the required option in the

Security

field.

ì

Enter the IP address of the RADIUS server in the

RADIUS server IP address

field.

ì

Enter the port of the RADIUS server in the

RADIUS server port

field.

ì

In the

RADIUS server secret key

field, enter a keyword conforming to the conven-

tions of the RADIUS server, which is to be used by the server for authentication.

ì

Click on

OK

to apply the settings.

Page 77 / 148

77

Configuring the Advanced Settings

WEP encryption

If WPA is not supported by all components in your wireless network, we advise you to

activate

WEP

-

Encryption

on your wireless network components.

ì

In the

Security

field, select the option

WEP

.

ì

Select the

Authentication type

:

–

Select

Shared

to require that each client logs in to the network with a specified

key.

–

Select

Open

to permit data transfer within your wireless network without the

need for a key.

You can choose either the standard 64 bit key or the more robust 128 bit key for encryp-

tion. The keys are generated in hexadecimal or in ASCII format. You must use the same

keys for encryption and decryption for both the Gigaset SE551 WLAN dsl/cable and all

your wireless network adapters.

ì

Select the

Key length

: 64 bit or 128 bit.

ì

Select the

Input type

, i.e. whether you wish to enter the key manually or have it

generated automatically by means of a

Passphrase

.

Generating the key by means of a Passphrase

ì

Enter a

Passphrase

(up to 32 characters) and confirm it by entering it again. Four

keys are generated.

ì

Select one of the four keys as

Default key

.

Page 78 / 148

78

Configuring the Advanced Settings

Manual key entry

ì

Select the

Key type

,

Hex

or

ASCII

.

If you select

Hex

you can use the characters

0

to

9

and

A

to

F

.

–

With a 64 bit encryption depth the key is exactly 10 characters long.

An example of a valid key: 1234567ABC

–

With a 128 bit encryption depth the key is exactly 26 characters long.

An example of a valid key: 234567ABC8912345DEF1234567

If you select

ASCII

you can use the characters

0

to

9

,

A

to

Z

and

a

to

z

plus the special

characters in the ASCII character set.

–

With a 64 bit encryption depth the key is exactly 5 characters long.

An example of a valid key: GIGA1

–

With a 128 bit encryption depth the key is exactly 13 characters long.

An example of a valid key: GIGASET_SE551

ì

Enter up to four keys in fields

Key 1

to

Key 4

and confirm these keys by entering

them again in fields

Confirm key 1

to

Confirm key 4

.

ì

Select one of the four keys as

Default key

.

Page 79 / 148

79

Configuring the Advanced Settings

ì

Click on

OK

to apply the settings.

Allowed clients

In this screen you can specify which PCs will have wireless access to the Gigaset SE551

WLAN dsl/cable and hence to your LAN.

ì

In the

Wireless Network

menu, select

Allowed Clients

.

The default setting for access control is disabled. This means that all PCs that use the

correct

SSID

can log in.

The access control is based on the

MAC addresses

of the PCs' network adapters.

ì

Activate access control via the

On

option in the

MAC address filter

field.

Please remember:

u

It is very

important

that you make a note of the entered or generated key(s).

You will need this information to configure the wireless network adapters

properly.

u

When you have concluded the configuration you must change the WEP

encryption on the wireless network adapters for the connected PCs in the

same way as they will not otherwise be given access to the Gigaset SE551

WLAN dsl/cable's wireless network.

Page 80 / 148

80

Configuring the Advanced Settings

Entering PCs manually:

ì

Enter the required PCs with

MAC address

and

Device name

in the appropriate

fields.

ì

Click on the

Add

button to add the entry to the list.

ì

Click on the

Delete

button to delete the entry from the list.

ì

Apply the settings by clicking

OK

.

Selecting from the list of logged-in PCs

ì

From the

Known wireless clients

list (all PCs that currently have access to the

Gigaset SE551 WLAN dsl/cable), select the PC you want to add to the access control.

ì

Click on the

Add

button to add the entry to the list.

ì

Apply the settings by clicking

OK

.

Please remember:

If you activate MAC access control, you must at least enter the PC from which you

are configuring the Gigaset SE551 WLAN dsl/cable. Otherwise you will no longer

be able to access the user interface and a corresponding error message will be

shown.

If, by mistake, you have denied all PCs access to the Gigaset SE551 WLAN dsl/cable

you have two choices:

u

You can completely reset the Gigaset SE551 WLAN dsl/cable (see page 18).

u

You can connect a PC to the Gigaset SE551 WLAN dsl/cable using one of the

LAN connections. As MAC access control only applies to PCs that are con-

nected wirelessly, you can use this PC to change the configuration.

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